/**
* @file dht/gnunet-service-dht.c
- * @brief main DHT service shell, building block for DHT implementations
+ * @brief GNUnet DHT service
* @author Christian Grothoff
* @author Nathan Evans
*/
*/
#define DEFAULT_BUCKET_SIZE 4
+#define DEFAULT_CORE_QUEUE_SIZE 32
+
/**
* Minimum number of peers we need for "good" routing,
* any less than this and we will allow messages to
/**
* How long to keep recent requests around by default.
*/
-#define DEFAULT_RECENT_REMOVAL GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30)
+#define DEFAULT_RECENT_REMOVAL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
/**
* Default time to wait to send find peer messages sent by the dht service.
*/
#define DHT_DEFAULT_FIND_PEER_IMPORTANCE 8
-/**
- * Default replication parameter for find peer messages sent by the dht service.
- */
-#define DHT_DEFAULT_PUT_REPLICATION 4
-
/**
* Default replication parameter for find peer messages sent by the dht service.
*/
/**
* How many initial requests to send out (in true Kademlia fashion)
*/
-#define DHT_KADEMLIA_REPLICATION 3
+#define DEFAULT_KADEMLIA_REPLICATION 3
/*
* Default frequency for sending malicious get messages
*/
-#define DEFAULT_MALICIOUS_GET_FREQUENCY 1000 /* Number of milliseconds */
+#define DEFAULT_MALICIOUS_GET_FREQUENCY 1000 /* Number of milliseconds */
/*
* Default frequency for sending malicious put messages
*/
-#define DEFAULT_MALICIOUS_PUT_FREQUENCY 1000 /* Default is in milliseconds */
+#define DEFAULT_MALICIOUS_PUT_FREQUENCY 1000 /* Default is in milliseconds */
#define DHT_DEFAULT_PING_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 1)
/**
* Use the linear method for convergence.
*/
- DHT_CONVERGE_LINEAR,
+ DHT_CONVERGE_LINEAR,
/**
* Converge using a fast converging square
* function.
*/
- DHT_CONVERGE_SQUARE,
+ DHT_CONVERGE_SQUARE,
/**
* Converge using a slower exponential
* function.
*/
- DHT_CONVERGE_EXPONENTIAL,
+ DHT_CONVERGE_EXPONENTIAL,
/**
* Don't do any special convergence, allow
* the algorithm to hopefully route to closer
* peers more often.
*/
- DHT_CONVERGE_RANDOM,
+ DHT_CONVERGE_RANDOM,
/**
* Binary convergence, start routing to closest
* only after set number of hops.
*/
- DHT_CONVERGE_BINARY
+ DHT_CONVERGE_BINARY
};
/**
/**
* Actual message to be sent; // avoid allocation
*/
- const struct GNUNET_MessageHeader *msg; // msg = (cast) &pm[1]; // memcpy (&pm[1], data, len);
+ const struct GNUNET_MessageHeader *msg; // msg = (cast) &pm[1]; // memcpy (&pm[1], data, len);
};
*/
struct PeerInfo *prev;
+ /**
+ * Count of outstanding messages for peer.
+ */
+ unsigned int pending_count;
+
/**
* Head of pending messages to be sent to this peer.
*/
struct GNUNET_CORE_InformationRequestContext *info_ctx;
/**
- * What is the average latency for replies received?
+ * What is the identity of the peer?
*/
- struct GNUNET_TIME_Relative latency;
+ struct GNUNET_PeerIdentity id;
+#if 0
/**
- * What is the identity of the peer?
+ * What is the average latency for replies received?
*/
- struct GNUNET_PeerIdentity id;
+ struct GNUNET_TIME_Relative latency;
/**
* Transport level distance to peer.
*/
unsigned int distance;
+#endif
/**
* Holds matching bits from peer to current target,
* be considered a really bad idea.
* FIXME: remove this value (create struct which holds
* a single peerinfo and the matching bits, use
- * that to pass to comparitor)
+ * that to pass to comparator)
*/
unsigned int matching_bits;
/**
* Actual message to be sent; // avoid allocation
*/
- const struct GNUNET_MessageHeader *msg; // msg = (cast) &pm[1]; // memcpy (&pm[1], data, len);
+ const struct GNUNET_MessageHeader *msg; // msg = (cast) &pm[1]; // memcpy (&pm[1], data, len);
};
/**
* The lowest currently used bucket.
*/
-static unsigned int lowest_bucket; /* Initially equal to MAX_BUCKETS - 1 */
+static unsigned int lowest_bucket; /* Initially equal to MAX_BUCKETS - 1 */
/**
* The maximum number of hops before we stop routing messages.
* The buckets (Kademlia routing table, complete with growth).
* Array of size MAX_BUCKET_SIZE.
*/
-static struct PeerBucket k_buckets[MAX_BUCKETS]; /* From 0 to MAX_BUCKETS - 1 */
+static struct PeerBucket k_buckets[MAX_BUCKETS]; /* From 0 to MAX_BUCKETS - 1 */
/**
* Hash map of all known peers, for easy removal from k_buckets on disconnect.
/**
* Maximum size for each bucket.
*/
-static unsigned int bucket_size = DEFAULT_BUCKET_SIZE; /* Initially equal to DEFAULT_BUCKET_SIZE */
+static unsigned int bucket_size = DEFAULT_BUCKET_SIZE; /* Initially equal to DEFAULT_BUCKET_SIZE */
/**
* List of active clients.
*/
static unsigned long long malicious_put_frequency;
+/**
+ * Kademlia replication
+ */
+static unsigned long long kademlia_replication;
+
/**
* Reply times for requests, if we are busy, don't send any
* more requests!
/**
* Forward declaration.
*/
-static size_t
-send_generic_reply (void *cls, size_t size, void *buf);
+static size_t send_generic_reply (void *cls, size_t size, void *buf);
/** Declare here so retry_core_send is aware of it */
-static size_t
-core_transmit_notify (void *cls,
- size_t size, void *buf);
+static size_t core_transmit_notify (void *cls, size_t size, void *buf);
/**
* Convert unique ID to hash code.
* @param hash set to uid (extended with zeros)
*/
static void
-hash_from_uid (uint64_t uid,
- GNUNET_HashCode *hash)
+hash_from_uid (uint64_t uid, GNUNET_HashCode * hash)
{
- memset (hash, 0, sizeof(GNUNET_HashCode));
- *((uint64_t*)hash) = uid;
+ memset (hash, 0, sizeof (GNUNET_HashCode));
+ *((uint64_t *) hash) = uid;
}
#if AVG
* @return the average time between asking core to send a message
* and when the buffer for copying it is passed
*/
-static struct GNUNET_TIME_Relative get_average_send_delay()
+static struct GNUNET_TIME_Relative
+get_average_send_delay ()
{
unsigned int i;
unsigned int divisor;
struct GNUNET_TIME_Relative average_time;
- average_time = GNUNET_TIME_relative_get_zero();
+ average_time = GNUNET_TIME_relative_get_zero ();
divisor = 0;
for (i = 0; i < MAX_REPLY_TIMES; i++)
- {
- average_time = GNUNET_TIME_relative_add(average_time, reply_times[i]);
- if (reply_times[i].abs_value == (uint64_t)0)
- continue;
- else
- divisor++;
- }
+ {
+ average_time = GNUNET_TIME_relative_add (average_time, reply_times[i]);
+ if (reply_times[i].abs_value == (uint64_t) 0)
+ continue;
+ else
+ divisor++;
+ }
if (divisor == 0)
- {
- return average_time;
- }
-
- average_time = GNUNET_TIME_relative_divide(average_time, divisor);
- fprintf(stderr,
- "Avg send delay: %u sends is %llu\n",
- divisor,
- (unsigned long long) average_time.abs_value);
+ {
+ return average_time;
+ }
+
+ average_time = GNUNET_TIME_relative_divide (average_time, divisor);
+ fprintf (stderr,
+ "Avg send delay: %u sends is %llu\n",
+ divisor, (unsigned long long) average_time.abs_value);
return average_time;
}
#endif
* so the next time around we may have a chance at sending
* again.
*/
-static void decrease_max_send_delay(struct GNUNET_TIME_Relative max_time)
+static void
+decrease_max_send_delay (struct GNUNET_TIME_Relative max_time)
{
unsigned int i;
for (i = 0; i < MAX_REPLY_TIMES; i++)
* @return the average time between asking core to send a message
* and when the buffer for copying it is passed
*/
-static struct GNUNET_TIME_Relative get_max_send_delay()
+static struct GNUNET_TIME_Relative
+get_max_send_delay ()
{
unsigned int i;
struct GNUNET_TIME_Relative max_time;
- max_time = GNUNET_TIME_relative_get_zero();
+ max_time = GNUNET_TIME_relative_get_zero ();
for (i = 0; i < MAX_REPLY_TIMES; i++)
- {
- if (reply_times[i].rel_value > max_time.rel_value)
- max_time.rel_value = reply_times[i].rel_value;
- }
+ {
+ if (reply_times[i].rel_value > max_time.rel_value)
+ max_time.rel_value = reply_times[i].rel_value;
+ }
if (max_time.rel_value > MAX_REQUEST_TIME.rel_value)
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Max send delay was %llu\n",
- (unsigned long long) max_time.rel_value);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Max send delay was %llu\n",
+ (unsigned long long) max_time.rel_value);
return max_time;
}
static void
-increment_stats(const char *value)
+increment_stats (const char *value)
{
if (stats != NULL)
{
* Try to send another message from our core send list
*/
static void
-try_core_send (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+try_core_send (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct PeerInfo *peer = cls;
struct P2PPendingMessage *pending;
return;
if (peer->th != NULL)
- return; /* Message send already in progress */
+ return; /* Message send already in progress */
pending = peer->head;
if (pending != NULL)
{
- ssize = ntohs(pending->msg->size);
+ ssize = ntohs (pending->msg->size);
#if DEBUG_DHT > 1
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Calling notify_transmit_ready with size %d for peer %s\n", my_short_id,
- "DHT", ssize, GNUNET_i2s(&peer->id));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "`%s:%s': Calling notify_transmit_ready with size %d for peer %s\n",
+ my_short_id, "DHT", ssize, GNUNET_i2s (&peer->id));
#endif
- pending->scheduled = GNUNET_TIME_absolute_get();
+ pending->scheduled = GNUNET_TIME_absolute_get ();
reply_counter++;
if (reply_counter >= MAX_REPLY_TIMES)
- reply_counter = 0;
- peer->th = GNUNET_CORE_notify_transmit_ready(coreAPI, pending->importance,
- pending->timeout, &peer->id,
- ssize, &core_transmit_notify, peer);
+ reply_counter = 0;
+ peer->th =
+ GNUNET_CORE_notify_transmit_ready (coreAPI, pending->importance,
+ pending->timeout, &peer->id, ssize,
+ &core_transmit_notify, peer);
+ if (peer->th == NULL)
+ increment_stats ("# notify transmit ready failed");
}
}
* @param peer the peer to forward the message to
* @param msg_ctx the context of the message (hop count, bloom, etc.)
*/
-static void
+static void
forward_result_message (const struct GNUNET_MessageHeader *msg,
- struct PeerInfo *peer,
- struct DHT_MessageContext *msg_ctx)
+ struct PeerInfo *peer,
+ struct DHT_MessageContext *msg_ctx)
{
struct GNUNET_DHT_P2PRouteResultMessage *result_message;
struct P2PPendingMessage *pending;
size_t msize;
size_t psize;
- increment_stats(STAT_RESULT_FORWARDS);
- msize = sizeof (struct GNUNET_DHT_P2PRouteResultMessage) + ntohs(msg->size);
- GNUNET_assert(msize <= GNUNET_SERVER_MAX_MESSAGE_SIZE);
- psize = sizeof(struct P2PPendingMessage) + msize;
- pending = GNUNET_malloc(psize);
- pending->msg = (struct GNUNET_MessageHeader *)&pending[1];
+ increment_stats (STAT_RESULT_FORWARDS);
+ msize =
+ sizeof (struct GNUNET_DHT_P2PRouteResultMessage) + ntohs (msg->size);
+ GNUNET_assert (msize <= GNUNET_SERVER_MAX_MESSAGE_SIZE);
+ psize = sizeof (struct P2PPendingMessage) + msize;
+ pending = GNUNET_malloc (psize);
+ pending->msg = (struct GNUNET_MessageHeader *) &pending[1];
pending->importance = DHT_SEND_PRIORITY;
- pending->timeout = GNUNET_TIME_relative_get_forever();
- result_message = (struct GNUNET_DHT_P2PRouteResultMessage *)pending->msg;
- result_message->header.size = htons(msize);
- result_message->header.type = htons(GNUNET_MESSAGE_TYPE_DHT_P2P_ROUTE_RESULT);
- result_message->put_path_length = htons(0); /* FIXME: implement */
- result_message->get_path_length = htons(0); /* FIXME: implement */
- result_message->options = htonl(msg_ctx->msg_options);
- result_message->hop_count = htonl(msg_ctx->hop_count + 1);
- GNUNET_assert(GNUNET_OK == GNUNET_CONTAINER_bloomfilter_get_raw_data(msg_ctx->bloom, result_message->bloomfilter, DHT_BLOOM_SIZE));
- result_message->unique_id = GNUNET_htonll(msg_ctx->unique_id);
- memcpy(&result_message->key, &msg_ctx->key, sizeof(GNUNET_HashCode));
- memcpy(&result_message[1], msg, ntohs(msg->size));
+ pending->timeout = GNUNET_TIME_relative_get_forever ();
+ result_message = (struct GNUNET_DHT_P2PRouteResultMessage *) pending->msg;
+ result_message->header.size = htons (msize);
+ result_message->header.type =
+ htons (GNUNET_MESSAGE_TYPE_DHT_P2P_ROUTE_RESULT);
+ result_message->put_path_length = htons (0); /* FIXME: implement */
+ result_message->get_path_length = htons (0); /* FIXME: implement */
+ result_message->options = htonl (msg_ctx->msg_options);
+ result_message->hop_count = htonl (msg_ctx->hop_count + 1);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_bloomfilter_get_raw_data (msg_ctx->bloom,
+ result_message->
+ bloomfilter,
+ DHT_BLOOM_SIZE));
+ result_message->unique_id = GNUNET_htonll (msg_ctx->unique_id);
+ memcpy (&result_message->key, &msg_ctx->key, sizeof (GNUNET_HashCode));
+ memcpy (&result_message[1], msg, ntohs (msg->size));
#if DEBUG_DHT > 1
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s Adding pending message size %d for peer %s\n", my_short_id, "DHT", msize, GNUNET_i2s(&peer->id));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Adding pending message size %d for peer %s\n",
+ my_short_id, "DHT", msize, GNUNET_i2s (&peer->id));
#endif
- GNUNET_CONTAINER_DLL_insert_after(peer->head, peer->tail, peer->tail, pending);
+ peer->pending_count++;
+ increment_stats ("# pending messages scheduled");
+ GNUNET_CONTAINER_DLL_insert_after (peer->head, peer->tail, peer->tail,
+ pending);
if (peer->send_task == GNUNET_SCHEDULER_NO_TASK)
- peer->send_task = GNUNET_SCHEDULER_add_now(&try_core_send, peer);
+ peer->send_task = GNUNET_SCHEDULER_add_now (&try_core_send, peer);
}
* @param buf where the callee should write the message
* @return number of bytes written to buf
*/
-static size_t
-core_transmit_notify (void *cls,
- size_t size, void *buf)
+static size_t
+core_transmit_notify (void *cls, size_t size, void *buf)
{
struct PeerInfo *peer = cls;
char *cbuf = buf;
size_t off;
size_t msize;
-
+ peer->th = NULL;
if (buf == NULL)
{
/* client disconnected */
#if DEBUG_DHT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "`%s:%s': buffer was NULL\n", my_short_id, "DHT");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "`%s:%s': buffer was NULL\n",
+ my_short_id, "DHT");
#endif
return 0;
}
if (peer->head == NULL)
return 0;
- peer->th = NULL;
off = 0;
pending = peer->head;
- reply_times[reply_counter] = GNUNET_TIME_absolute_get_difference(pending->scheduled, GNUNET_TIME_absolute_get());
- msize = ntohs(pending->msg->size);
+#if DUMB
+ reply_times[reply_counter] =
+ GNUNET_TIME_absolute_get_difference (pending->scheduled,
+ GNUNET_TIME_absolute_get ());
+ msize = ntohs (pending->msg->size);
if (msize <= size)
{
off = msize;
memcpy (cbuf, pending->msg, msize);
- GNUNET_CONTAINER_DLL_remove (peer->head,
- peer->tail,
- pending);
-#if DEBUG_DHT > 1
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s Removing pending message size %d for peer %s\n", my_short_id, "DHT", msize, GNUNET_i2s(&peer->id));
-#endif
+ peer->pending_count--;
+ increment_stats ("# pending messages sent");
+ GNUNET_assert (peer->pending_count >= 0);
+ GNUNET_CONTAINER_DLL_remove (peer->head, peer->tail, pending);
GNUNET_free (pending);
}
-#if SMART
+#else
while (NULL != pending &&
- (size - off >= (msize = ntohs (pending->msg->size))))
+ (size - off >= (msize = ntohs (pending->msg->size))))
{
-#if DEBUG_DHT_ROUTING
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "`%s:%s' : transmit_notify (core) called with size %d, available %d\n", my_short_id, "dht service", msize, size);
-#endif
memcpy (&cbuf[off], pending->msg, msize);
off += msize;
- GNUNET_CONTAINER_DLL_remove (peer->head,
- peer->tail,
- pending);
+ peer->pending_count--;
+ increment_stats ("# pending messages sent");
+ GNUNET_CONTAINER_DLL_remove (peer->head, peer->tail, pending);
GNUNET_free (pending);
pending = peer->head;
}
#endif
if ((peer->head != NULL) && (peer->send_task == GNUNET_SCHEDULER_NO_TASK))
- peer->send_task = GNUNET_SCHEDULER_add_now(&try_core_send, peer);
-#if DEBUG_DHT > 1
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "`%s:%s' : transmit_notify (core) called with size %d, available %d, returning %d\n", my_short_id, "dht service", msize, size, off);
-#endif
+ peer->send_task = GNUNET_SCHEDULER_add_now (&try_core_send, peer);
+
return off;
}
for (i = bucket + 1;
(i < sizeof (GNUNET_HashCode) * 8) && (i < bucket + 1 + 32 - 9); i++)
{
- if (GNUNET_CRYPTO_hash_get_bit (target, i) != GNUNET_CRYPTO_hash_get_bit (have, i))
+ if (GNUNET_CRYPTO_hash_get_bit (target, i) !=
+ GNUNET_CRYPTO_hash_get_bit (have, i))
lsb |= (1 << (bucket + 32 - 9 - i)); /* first bit set will be 10,
last bit set will be 31 -- if
i does not reach 512 first... */
inverse_distance (const GNUNET_HashCode * target,
const GNUNET_HashCode * have)
{
- if (GNUNET_CRYPTO_hash_matching_bits(target, have) == 0)
- return 1; /* Never return 0! */
+ if (GNUNET_CRYPTO_hash_matching_bits (target, have) == 0)
+ return 1; /* Never return 0! */
return ((unsigned int) -1) - distance (target, have);
}
* @return the proper bucket index, or GNUNET_SYSERR
* on error (same hashcode)
*/
-static int find_bucket(const GNUNET_HashCode *hc)
+static int
+find_bucket (const GNUNET_HashCode * hc)
{
unsigned int bits;
- bits = GNUNET_CRYPTO_hash_matching_bits(&my_identity.hashPubKey, hc);
+ bits = GNUNET_CRYPTO_hash_matching_bits (&my_identity.hashPubKey, hc);
if (bits == MAX_BUCKETS)
return GNUNET_SYSERR;
return MAX_BUCKETS - bits - 1;
* @return the proper bucket index for this key,
* or GNUNET_SYSERR on error (same hashcode)
*/
-static int find_current_bucket(const GNUNET_HashCode *hc)
+static int
+find_current_bucket (const GNUNET_HashCode * hc)
{
int actual_bucket;
- actual_bucket = find_bucket(hc);
+ actual_bucket = find_bucket (hc);
- if (actual_bucket == GNUNET_SYSERR) /* hc and our peer identity match! */
+ if (actual_bucket == GNUNET_SYSERR) /* hc and our peer identity match! */
return lowest_bucket;
- else if (actual_bucket < lowest_bucket) /* actual_bucket not yet used */
+ else if (actual_bucket < lowest_bucket) /* actual_bucket not yet used */
return lowest_bucket;
else
return actual_bucket;
* @return the bucket number holding the peer, GNUNET_SYSERR if not found
*/
static int
-find_bucket_by_peer(const struct PeerInfo *peer)
+find_bucket_by_peer (const struct PeerInfo *peer)
{
int bucket;
struct PeerInfo *pos;
}
}
- return GNUNET_SYSERR; /* No such peer. */
+ return GNUNET_SYSERR; /* No such peer. */
}
#endif
struct PeerInfo *pos;
char char_buf[30000];
int char_pos;
- memset(char_buf, 0, sizeof(char_buf));
+ memset (char_buf, 0, sizeof (char_buf));
char_pos = 0;
- char_pos += sprintf(&char_buf[char_pos], "Printing routing table for peer %s\n", my_short_id);
+ char_pos +=
+ sprintf (&char_buf[char_pos], "Printing routing table for peer %s\n",
+ my_short_id);
//fprintf(stderr, "Printing routing table for peer %s\n", my_short_id);
for (bucket = lowest_bucket; bucket < MAX_BUCKETS; bucket++)
{
pos = k_buckets[bucket].head;
- char_pos += sprintf(&char_buf[char_pos], "Bucket %d:\n", bucket);
+ char_pos += sprintf (&char_buf[char_pos], "Bucket %d:\n", bucket);
//fprintf(stderr, "Bucket %d:\n", bucket);
while (pos != NULL)
{
//fprintf(stderr, "\tPeer %s, best bucket %d, %d bits match\n", GNUNET_i2s(&pos->id), find_bucket(&pos->id.hashPubKey), GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, &my_identity.hashPubKey));
- char_pos += sprintf(&char_buf[char_pos], "\tPeer %s, best bucket %d, %d bits match\n", GNUNET_i2s(&pos->id), find_bucket(&pos->id.hashPubKey), GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, &my_identity.hashPubKey));
+ char_pos +=
+ sprintf (&char_buf[char_pos],
+ "\tPeer %s, best bucket %d, %d bits match\n",
+ GNUNET_i2s (&pos->id), find_bucket (&pos->id.hashPubKey),
+ GNUNET_CRYPTO_hash_matching_bits (&pos->id.hashPubKey,
+ &my_identity.
+ hashPubKey));
pos = pos->next;
}
}
- fprintf(stderr, "%s", char_buf);
- fflush(stderr);
+ fprintf (stderr, "%s", char_buf);
+ fflush (stderr);
}
#endif
* @return the routing table entry, or NULL if not found
*/
static struct PeerInfo *
-find_peer_by_id(const struct GNUNET_PeerIdentity *peer)
+find_peer_by_id (const struct GNUNET_PeerIdentity *peer)
{
int bucket;
struct PeerInfo *pos;
- bucket = find_current_bucket(&peer->hashPubKey);
+ bucket = find_current_bucket (&peer->hashPubKey);
- if (0 == memcmp(&my_identity, peer, sizeof(struct GNUNET_PeerIdentity)))
+ if (0 == memcmp (&my_identity, peer, sizeof (struct GNUNET_PeerIdentity)))
return NULL;
pos = k_buckets[bucket].head;
while (pos != NULL)
{
- if (0 == memcmp(&pos->id, peer, sizeof(struct GNUNET_PeerIdentity)))
+ if (0 == memcmp (&pos->id, peer, sizeof (struct GNUNET_PeerIdentity)))
return pos;
pos = pos->next;
}
- return NULL; /* No such peer. */
+ return NULL; /* No such peer. */
}
/* Forward declaration */
*
* @param cls closure
* @param peer identifies the peer
- * @param bpm_in set to the current bandwidth limit (receiving) for this peer
* @param bpm_out set to the current bandwidth limit (sending) for this peer
* @param amount set to the amount that was actually reserved or unreserved;
* either the full requested amount or zero (no partial reservations)
*/
static void
update_core_preference_finish (void *cls,
- const struct GNUNET_PeerIdentity * peer,
- struct GNUNET_BANDWIDTH_Value32NBO bpm_in,
+ const struct GNUNET_PeerIdentity *peer,
struct GNUNET_BANDWIDTH_Value32NBO bpm_out,
int amount, uint64_t preference)
{
struct PeerInfo *peer_info = cls;
peer_info->info_ctx = NULL;
- GNUNET_SCHEDULER_add_delayed(DHT_DEFAULT_PREFERENCE_INTERVAL, &update_core_preference, peer_info);
+ GNUNET_SCHEDULER_add_delayed (DHT_DEFAULT_PREFERENCE_INTERVAL,
+ &update_core_preference, peer_info);
}
static void
{
return;
}
- matching = GNUNET_CRYPTO_hash_matching_bits(&my_identity.hashPubKey, &peer->id.hashPubKey);
+ matching =
+ GNUNET_CRYPTO_hash_matching_bits (&my_identity.hashPubKey,
+ &peer->id.hashPubKey);
if (matching >= 64)
{
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Peer identifier matches by %u bits, only shifting as much as we can!\n", matching);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Peer identifier matches by %u bits, only shifting as much as we can!\n",
+ matching);
matching = 63;
}
preference = 1LL << matching;
- peer->info_ctx = GNUNET_CORE_peer_change_preference (cfg,
+ peer->info_ctx = GNUNET_CORE_peer_change_preference (coreAPI,
&peer->id,
- GNUNET_TIME_relative_get_forever(),
- GNUNET_BANDWIDTH_value_init (UINT32_MAX),
- 0,
+ GNUNET_TIME_relative_get_forever
+ (),
+ GNUNET_BANDWIDTH_value_init
+ (UINT32_MAX), 0,
preference,
&update_core_preference_finish,
peer);
* @param peer GNUNET_PeerIdentity of the peer to add
* @param bucket the already figured out bucket to add
* the peer to
- * @param latency the core reported latency of this peer
- * @param distance the transport level distance to this peer
+ * @param atsi performance information
*
* @return the newly added PeerInfo
*/
static struct PeerInfo *
-add_peer(const struct GNUNET_PeerIdentity *peer,
- unsigned int bucket,
- struct GNUNET_TIME_Relative latency,
- unsigned int distance)
+add_peer (const struct GNUNET_PeerIdentity *peer,
+ unsigned int bucket,
+ const struct GNUNET_TRANSPORT_ATS_Information *atsi)
{
struct PeerInfo *new_peer;
- GNUNET_assert(bucket < MAX_BUCKETS);
- GNUNET_assert(peer != NULL);
- new_peer = GNUNET_malloc(sizeof(struct PeerInfo));
+ GNUNET_assert (bucket < MAX_BUCKETS);
+ GNUNET_assert (peer != NULL);
+ new_peer = GNUNET_malloc (sizeof (struct PeerInfo));
+#if 0
new_peer->latency = latency;
new_peer->distance = distance;
+#endif
- memcpy(&new_peer->id, peer, sizeof(struct GNUNET_PeerIdentity));
+ memcpy (&new_peer->id, peer, sizeof (struct GNUNET_PeerIdentity));
- GNUNET_CONTAINER_DLL_insert_after(k_buckets[bucket].head,
- k_buckets[bucket].tail,
- k_buckets[bucket].tail,
- new_peer);
+ GNUNET_CONTAINER_DLL_insert_after (k_buckets[bucket].head,
+ k_buckets[bucket].tail,
+ k_buckets[bucket].tail, new_peer);
k_buckets[bucket].peers_size++;
- if ((GNUNET_CRYPTO_hash_matching_bits(&my_identity.hashPubKey, &peer->hashPubKey) > 0) && (k_buckets[bucket].peers_size <= bucket_size))
+ if ((GNUNET_CRYPTO_hash_matching_bits
+ (&my_identity.hashPubKey, &peer->hashPubKey) > 0)
+ && (k_buckets[bucket].peers_size <= bucket_size))
{
#if DO_UPDATE_PREFERENCE
- new_peer->preference_task = GNUNET_SCHEDULER_add_now(&update_core_preference, new_peer);
+ new_peer->preference_task =
+ GNUNET_SCHEDULER_add_now (&update_core_preference, new_peer);
#endif
}
* @param peer the peer to remove
* @param bucket the bucket the peer belongs to
*/
-static void remove_peer (struct PeerInfo *peer,
- unsigned int bucket)
+static void
+remove_peer (struct PeerInfo *peer, unsigned int bucket)
{
- GNUNET_assert(k_buckets[bucket].peers_size > 0);
- GNUNET_CONTAINER_DLL_remove(k_buckets[bucket].head,
- k_buckets[bucket].tail,
- peer);
+ GNUNET_assert (k_buckets[bucket].peers_size > 0);
+ GNUNET_CONTAINER_DLL_remove (k_buckets[bucket].head,
+ k_buckets[bucket].tail, peer);
k_buckets[bucket].peers_size--;
#if CHANGE_LOWEST
- if ((bucket == lowest_bucket) && (k_buckets[lowest_bucket].peers_size == 0) && (lowest_bucket < MAX_BUCKETS - 1))
+ if ((bucket == lowest_bucket) && (k_buckets[lowest_bucket].peers_size == 0)
+ && (lowest_bucket < MAX_BUCKETS - 1))
lowest_bucket++;
#endif
}
* @param peer peer to be removed and freed
* @param bucket which bucket this peer belongs to
*/
-static void delete_peer (struct PeerInfo *peer,
- unsigned int bucket)
+static void
+delete_peer (struct PeerInfo *peer, unsigned int bucket)
{
struct P2PPendingMessage *pos;
struct P2PPendingMessage *next;
peer_pos = peer_pos->next;
if (peer_pos == NULL)
{
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s:%s: Expected peer `%s' in bucket %d\n", my_short_id, "DHT", GNUNET_i2s(&peer->id), bucket);
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s:%s: Lowest bucket: %d, find_current_bucket: %d, peer resides in bucket: %d\n", my_short_id, "DHT", lowest_bucket, find_current_bucket(&peer->id.hashPubKey), find_bucket_by_peer(peer));
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "%s:%s: Expected peer `%s' in bucket %d\n", my_short_id,
+ "DHT", GNUNET_i2s (&peer->id), bucket);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "%s:%s: Lowest bucket: %d, find_current_bucket: %d, peer resides in bucket: %d\n",
+ my_short_id, "DHT", lowest_bucket,
+ find_current_bucket (&peer->id.hashPubKey),
+ find_bucket_by_peer (peer));
}
- GNUNET_assert(peer_pos != NULL);
+ GNUNET_assert (peer_pos != NULL);
#endif
- remove_peer(peer, bucket); /* First remove the peer from its bucket */
+ remove_peer (peer, bucket); /* First remove the peer from its bucket */
if (peer->send_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel(peer->send_task);
- if (peer->th != NULL)
- GNUNET_CORE_notify_transmit_ready_cancel(peer->th);
+ GNUNET_SCHEDULER_cancel (peer->send_task);
+ if ((peer->th != NULL) && (coreAPI != NULL))
+ GNUNET_CORE_notify_transmit_ready_cancel (peer->th);
pos = peer->head;
- while (pos != NULL) /* Remove any pending messages for this peer */
+ while (pos != NULL) /* Remove any pending messages for this peer */
{
+ increment_stats
+ ("# dht pending messages discarded (due to disconnect/shutdown)");
next = pos->next;
- GNUNET_free(pos);
+ GNUNET_free (pos);
pos = next;
}
- GNUNET_assert(GNUNET_CONTAINER_multihashmap_contains(all_known_peers, &peer->id.hashPubKey));
- GNUNET_CONTAINER_multihashmap_remove (all_known_peers, &peer->id.hashPubKey, peer);
- GNUNET_free(peer);
+ GNUNET_assert (GNUNET_CONTAINER_multihashmap_contains
+ (all_known_peers, &peer->id.hashPubKey));
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove (all_known_peers,
+ &peer->id.hashPubKey,
+ peer));
+ GNUNET_free (peer);
}
* iterate,
* GNUNET_NO if not.
*/
-static int move_lowest_bucket (void *cls,
- const GNUNET_HashCode * key,
- void *value)
+static int
+move_lowest_bucket (void *cls, const GNUNET_HashCode * key, void *value)
{
struct PeerInfo *peer = value;
int new_bucket;
- GNUNET_assert(lowest_bucket > 0);
+ GNUNET_assert (lowest_bucket > 0);
new_bucket = lowest_bucket - 1;
- remove_peer(peer, lowest_bucket);
- GNUNET_CONTAINER_DLL_insert_after(k_buckets[new_bucket].head,
- k_buckets[new_bucket].tail,
- k_buckets[new_bucket].tail,
- peer);
+ remove_peer (peer, lowest_bucket);
+ GNUNET_CONTAINER_DLL_insert_after (k_buckets[new_bucket].head,
+ k_buckets[new_bucket].tail,
+ k_buckets[new_bucket].tail, peer);
k_buckets[new_bucket].peers_size++;
return GNUNET_YES;
}
* bucket to the next lower down, and move any appropriate
* entries in the current lowest bucket to the new bucket.
*/
-static void enable_next_bucket()
+static void
+enable_next_bucket ()
{
struct GNUNET_CONTAINER_MultiHashMap *to_remove;
struct PeerInfo *pos;
- GNUNET_assert(lowest_bucket > 0);
- to_remove = GNUNET_CONTAINER_multihashmap_create(bucket_size);
+ GNUNET_assert (lowest_bucket > 0);
+ to_remove = GNUNET_CONTAINER_multihashmap_create (bucket_size);
pos = k_buckets[lowest_bucket].head;
#if PRINT_TABLES
- fprintf(stderr, "Printing RT before new bucket\n");
- print_routing_table();
+ fprintf (stderr, "Printing RT before new bucket\n");
+ print_routing_table ();
#endif
/* Populate the array of peers which should be in the next lowest bucket */
while (pos != NULL)
{
- if (find_bucket(&pos->id.hashPubKey) < lowest_bucket)
- GNUNET_CONTAINER_multihashmap_put(to_remove, &pos->id.hashPubKey, pos, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ if (find_bucket (&pos->id.hashPubKey) < lowest_bucket)
+ GNUNET_CONTAINER_multihashmap_put (to_remove, &pos->id.hashPubKey,
+ pos,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
pos = pos->next;
}
/* Remove peers from lowest bucket, insert into next lowest bucket */
- GNUNET_CONTAINER_multihashmap_iterate(to_remove, &move_lowest_bucket, NULL);
- GNUNET_CONTAINER_multihashmap_destroy(to_remove);
+ GNUNET_CONTAINER_multihashmap_iterate (to_remove, &move_lowest_bucket,
+ NULL);
+ GNUNET_CONTAINER_multihashmap_destroy (to_remove);
lowest_bucket = lowest_bucket - 1;
#if PRINT_TABLES
- fprintf(stderr, "Printing RT after new bucket\n");
- print_routing_table();
+ fprintf (stderr, "Printing RT after new bucket\n");
+ print_routing_table ();
#endif
}
* key, or NULL on error.
*/
static struct PeerInfo *
-find_closest_peer (const GNUNET_HashCode *hc)
+find_closest_peer (const GNUNET_HashCode * hc)
{
struct PeerInfo *pos;
struct PeerInfo *current_closest;
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- temp_distance = distance(&pos->id.hashPubKey, hc);
+ temp_distance = distance (&pos->id.hashPubKey, hc);
if (temp_distance <= lowest_distance)
{
lowest_distance = temp_distance;
count++;
}
}
- GNUNET_assert(current_closest != NULL);
+ GNUNET_assert (current_closest != NULL);
return current_closest;
}
* @param peer the peer to forward the message to
* @param msg_ctx the context of the message (hop count, bloom, etc.)
*/
-static void forward_message (const struct GNUNET_MessageHeader *msg,
- struct PeerInfo *peer,
- struct DHT_MessageContext *msg_ctx)
+static void
+forward_message (const struct GNUNET_MessageHeader *msg,
+ struct PeerInfo *peer, struct DHT_MessageContext *msg_ctx)
{
struct GNUNET_DHT_P2PRouteMessage *route_message;
struct P2PPendingMessage *pending;
size_t msize;
size_t psize;
- increment_stats(STAT_ROUTE_FORWARDS);
- GNUNET_assert(peer != NULL);
- if ((msg_ctx->closest != GNUNET_YES) && (peer == find_closest_peer(&msg_ctx->key)))
- increment_stats(STAT_ROUTE_FORWARDS_CLOSEST);
-
- msize = sizeof (struct GNUNET_DHT_P2PRouteMessage) + ntohs(msg->size);
- GNUNET_assert(msize <= GNUNET_SERVER_MAX_MESSAGE_SIZE);
- psize = sizeof(struct P2PPendingMessage) + msize;
- pending = GNUNET_malloc(psize);
- pending->msg = (struct GNUNET_MessageHeader *)&pending[1];
+ increment_stats (STAT_ROUTE_FORWARDS);
+ GNUNET_assert (peer != NULL);
+ if ((msg_ctx->closest != GNUNET_YES)
+ && (peer == find_closest_peer (&msg_ctx->key)))
+ increment_stats (STAT_ROUTE_FORWARDS_CLOSEST);
+
+ msize = sizeof (struct GNUNET_DHT_P2PRouteMessage) + ntohs (msg->size);
+ GNUNET_assert (msize <= GNUNET_SERVER_MAX_MESSAGE_SIZE);
+ psize = sizeof (struct P2PPendingMessage) + msize;
+ pending = GNUNET_malloc (psize);
+ pending->msg = (struct GNUNET_MessageHeader *) &pending[1];
pending->importance = msg_ctx->importance;
pending->timeout = msg_ctx->timeout;
- route_message = (struct GNUNET_DHT_P2PRouteMessage *)pending->msg;
- route_message->header.size = htons(msize);
- route_message->header.type = htons(GNUNET_MESSAGE_TYPE_DHT_P2P_ROUTE);
- route_message->options = htonl(msg_ctx->msg_options);
- route_message->hop_count = htonl(msg_ctx->hop_count + 1);
- route_message->network_size = htonl(msg_ctx->network_size);
- route_message->desired_replication_level = htonl(msg_ctx->replication);
- route_message->unique_id = GNUNET_htonll(msg_ctx->unique_id);
+ route_message = (struct GNUNET_DHT_P2PRouteMessage *) pending->msg;
+ route_message->header.size = htons (msize);
+ route_message->header.type = htons (GNUNET_MESSAGE_TYPE_DHT_P2P_ROUTE);
+ route_message->options = htonl (msg_ctx->msg_options);
+ route_message->hop_count = htonl (msg_ctx->hop_count + 1);
+ route_message->network_size = htonl (msg_ctx->network_size);
+ route_message->desired_replication_level = htonl (msg_ctx->replication);
+ route_message->unique_id = GNUNET_htonll (msg_ctx->unique_id);
if (msg_ctx->bloom != NULL)
- GNUNET_assert(GNUNET_OK == GNUNET_CONTAINER_bloomfilter_get_raw_data(msg_ctx->bloom, route_message->bloomfilter, DHT_BLOOM_SIZE));
- memcpy(&route_message->key, &msg_ctx->key, sizeof(GNUNET_HashCode));
- memcpy(&route_message[1], msg, ntohs(msg->size));
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_bloomfilter_get_raw_data (msg_ctx->bloom,
+ route_message->
+ bloomfilter,
+ DHT_BLOOM_SIZE));
+ memcpy (&route_message->key, &msg_ctx->key, sizeof (GNUNET_HashCode));
+ memcpy (&route_message[1], msg, ntohs (msg->size));
#if DEBUG_DHT > 1
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s Adding pending message size %d for peer %s\n", my_short_id, "DHT", msize, GNUNET_i2s(&peer->id));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Adding pending message size %d for peer %s\n",
+ my_short_id, "DHT", msize, GNUNET_i2s (&peer->id));
#endif
- GNUNET_CONTAINER_DLL_insert_after(peer->head, peer->tail, peer->tail, pending);
+ peer->pending_count++;
+ increment_stats ("# pending messages scheduled");
+ GNUNET_CONTAINER_DLL_insert_after (peer->head, peer->tail, peer->tail,
+ pending);
if (peer->send_task == GNUNET_SCHEDULER_NO_TASK)
- peer->send_task = GNUNET_SCHEDULER_add_now(&try_core_send, peer);
+ peer->send_task = GNUNET_SCHEDULER_add_now (&try_core_send, peer);
}
#if DO_PING
{
struct PeerInfo *peer = cls;
struct GNUNET_MessageHeader ping_message;
- struct DHT_MessageContext message_context;
+ struct DHT_MessageContext msg_ctx;
if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
return;
- ping_message.size = htons(sizeof(struct GNUNET_MessageHeader));
- ping_message.type = htons(GNUNET_MESSAGE_TYPE_DHT_P2P_PING);
+ ping_message.size = htons (sizeof (struct GNUNET_MessageHeader));
+ ping_message.type = htons (GNUNET_MESSAGE_TYPE_DHT_P2P_PING);
- memset(&message_context, 0, sizeof(struct DHT_MessageContext));
+ memset (&msg_ctx, 0, sizeof (struct DHT_MessageContext));
#if DEBUG_PING
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s:%s Sending periodic ping to %s\n", my_short_id, "DHT", GNUNET_i2s(&peer->id));
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "%s:%s Sending periodic ping to %s\n", my_short_id, "DHT",
+ GNUNET_i2s (&peer->id));
#endif
- forward_message(&ping_message, peer, &message_context);
- peer->ping_task = GNUNET_SCHEDULER_add_delayed(DHT_DEFAULT_PING_DELAY, &periodic_ping_task, peer);
+ forward_message (&ping_message, peer, &msg_ctx);
+ peer->ping_task =
+ GNUNET_SCHEDULER_add_delayed (DHT_DEFAULT_PING_DELAY, &periodic_ping_task,
+ peer);
}
/**
* Schedule PING messages for the top X peers in each
* bucket of the routing table (so core won't disconnect them!)
*/
-void schedule_ping_messages()
+void
+schedule_ping_messages ()
{
unsigned int bucket;
unsigned int count;
count = 0;
while (pos != NULL)
{
- if ((count < bucket_size) && (pos->ping_task == GNUNET_SCHEDULER_NO_TASK))
- GNUNET_SCHEDULER_add_now(&periodic_ping_task, pos);
- else if ((count >= bucket_size) && (pos->ping_task != GNUNET_SCHEDULER_NO_TASK))
+ if ((count < bucket_size)
+ && (pos->ping_task == GNUNET_SCHEDULER_NO_TASK))
+ GNUNET_SCHEDULER_add_now (&periodic_ping_task, pos);
+ else if ((count >= bucket_size)
+ && (pos->ping_task != GNUNET_SCHEDULER_NO_TASK))
{
- GNUNET_SCHEDULER_cancel(pos->ping_task);
+ GNUNET_SCHEDULER_cancel (pos->ping_task);
pos->ping_task = GNUNET_SCHEDULER_NO_TASK;
}
pos = pos->next;
*
* @param peer the peer identity of the peer being added
* @param bucket the bucket that we want this peer to go in
- * @param latency transport latency of this peer
- * @param distance transport distance to this peer
+ * @param atsi transport ATS information
*
* @return NULL if the peer was not added,
* pointer to PeerInfo for new peer otherwise
*/
static struct PeerInfo *
-try_add_peer(const struct GNUNET_PeerIdentity *peer,
- unsigned int bucket,
- struct GNUNET_TIME_Relative latency,
- unsigned int distance)
+try_add_peer (const struct GNUNET_PeerIdentity *peer,
+ unsigned int bucket,
+ const struct GNUNET_TRANSPORT_ATS_Information *atsi)
{
int peer_bucket;
struct PeerInfo *new_peer;
- if (0 == memcmp(&my_identity, peer, sizeof(struct GNUNET_PeerIdentity)))
+ if (0 == memcmp (&my_identity, peer, sizeof (struct GNUNET_PeerIdentity)))
return NULL;
- peer_bucket = find_current_bucket(&peer->hashPubKey);
+ peer_bucket = find_current_bucket (&peer->hashPubKey);
- GNUNET_assert(peer_bucket >= lowest_bucket);
- new_peer = add_peer(peer, peer_bucket, latency, distance);
+ GNUNET_assert (peer_bucket >= lowest_bucket);
+ new_peer = add_peer (peer, peer_bucket, atsi);
if ((k_buckets[lowest_bucket].peers_size) >= bucket_size)
- enable_next_bucket();
+ enable_next_bucket ();
#if DO_PING
- schedule_ping_messages();
+ schedule_ping_messages ();
#endif
return new_peer;
}
*/
static void
process_pending_messages (struct ClientList *client)
-{
- if (client->pending_head == NULL)
- return;
- if (client->transmit_handle != NULL)
+{
+ if (client->pending_head == NULL)
+ return;
+ if (client->transmit_handle != NULL)
return;
client->transmit_handle =
GNUNET_SERVER_notify_transmit_ready (client->client_handle,
- ntohs (client->pending_head->msg->
- size),
- GNUNET_TIME_UNIT_FOREVER_REL,
- &send_generic_reply, client);
+ ntohs (client->pending_head->
+ msg->size),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &send_generic_reply, client);
}
/**
size_t msize;
client->transmit_handle = NULL;
- if (buf == NULL)
+ if (buf == NULL)
{
/* client disconnected */
return 0;
}
off = 0;
- while ( (NULL != (reply = client->pending_head)) &&
- (size >= off + (msize = ntohs (reply->msg->size))))
+ while ((NULL != (reply = client->pending_head)) &&
+ (size >= off + (msize = ntohs (reply->msg->size))))
{
GNUNET_CONTAINER_DLL_remove (client->pending_head,
- client->pending_tail,
- reply);
+ client->pending_tail, reply);
memcpy (&cbuf[off], reply->msg, msize);
GNUNET_free (reply);
off += msize;
process_pending_messages (client);
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitted %u bytes of replies to client\n",
- (unsigned int) off);
+ "Transmitted %u bytes of replies to client\n",
+ (unsigned int) off);
#endif
return off;
}
struct PendingMessage *pending_message)
{
GNUNET_CONTAINER_DLL_insert_after (client->pending_head,
- client->pending_tail,
- client->pending_tail,
- pending_message);
+ client->pending_tail,
+ client->pending_tail, pending_message);
process_pending_messages (client);
}
* @param client the client to send the reply to
* @param message the encapsulated message to send
* @param uid the unique identifier of this request
+ * @param key key
*/
static void
send_reply_to_client (struct ClientList *client,
const struct GNUNET_MessageHeader *message,
- unsigned long long uid,
- const GNUNET_HashCode *key)
+ unsigned long long uid, const GNUNET_HashCode * key)
{
struct GNUNET_DHT_RouteResultMessage *reply;
struct PendingMessage *pending_message;
return;
}
pending_message = GNUNET_malloc (sizeof (struct PendingMessage) + tsize);
- pending_message->msg = (struct GNUNET_MessageHeader *)&pending_message[1];
- reply = (struct GNUNET_DHT_RouteResultMessage *)&pending_message[1];
+ pending_message->msg = (struct GNUNET_MessageHeader *) &pending_message[1];
+ reply = (struct GNUNET_DHT_RouteResultMessage *) &pending_message[1];
reply->header.type = htons (GNUNET_MESSAGE_TYPE_DHT_LOCAL_ROUTE_RESULT);
reply->header.size = htons (tsize);
- reply->put_path_length = htons(0); /* FIXME: implement */
- reply->get_path_length = htons(0); /* FIXME: implement */
+ reply->put_path_length = htons (0); /* FIXME: implement */
+ reply->get_path_length = htons (0); /* FIXME: implement */
reply->unique_id = GNUNET_htonll (uid);
reply->key = *key;
memcpy (&reply[1], message, msize);
* @return GNUNET_YES if we want this peer, GNUNET_NO if not (bucket
* already full)
*/
-static int consider_peer (struct GNUNET_PeerIdentity *peer)
+static int
+consider_peer (struct GNUNET_PeerIdentity *peer)
{
int bucket;
- if ((GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(all_known_peers, &peer->hashPubKey)) || (0 == memcmp(&my_identity, peer, sizeof(struct GNUNET_PeerIdentity))))
- return GNUNET_NO; /* We already know this peer (are connected even!) */
- bucket = find_current_bucket(&peer->hashPubKey);
+ if ((GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (all_known_peers,
+ &peer->hashPubKey))
+ || (0 ==
+ memcmp (&my_identity, peer, sizeof (struct GNUNET_PeerIdentity))))
+ return GNUNET_NO; /* We already know this peer (are connected even!) */
+ bucket = find_current_bucket (&peer->hashPubKey);
- if ((k_buckets[bucket].peers_size < bucket_size) || ((bucket == lowest_bucket) && (lowest_bucket > 0)))
+ if ((k_buckets[bucket].peers_size < bucket_size)
+ || ((bucket == lowest_bucket) && (lowest_bucket > 0)))
return GNUNET_YES;
return GNUNET_NO;
}
+
+/**
+ * Task used to remove forwarding entries, either
+ * after timeout, when full, or on shutdown.
+ *
+ * @param cls the entry to remove
+ * @param tc context, reason, etc.
+ */
+static void
+remove_forward_entry (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct DHTRouteSource *source_info = cls;
+ struct DHTQueryRecord *record;
+ source_info =
+ GNUNET_CONTAINER_heap_remove_node (forward_list.minHeap,
+ source_info->hnode);
+ record = source_info->record;
+ GNUNET_CONTAINER_DLL_remove (record->head, record->tail, source_info);
+
+ if (record->head == NULL) /* No more entries in DLL */
+ {
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove
+ (forward_list.hashmap, &record->key, record));
+ GNUNET_free (record);
+ }
+ if (source_info->find_peers_responded != NULL)
+ GNUNET_CONTAINER_bloomfilter_free (source_info->find_peers_responded);
+ GNUNET_free (source_info);
+}
+
/**
* Main function that handles whether or not to route a result
* message to other peers, or to send to our local client.
*
* @param msg the result message to be routed
- * @param message_context context of the message we are routing
+ * @param msg_ctx context of the message we are routing
*
* @return the number of peers the message was routed to,
* GNUNET_SYSERR on failure
*/
-static int route_result_message(struct GNUNET_MessageHeader *msg,
- struct DHT_MessageContext *message_context)
+static int
+route_result_message (struct GNUNET_MessageHeader *msg,
+ struct DHT_MessageContext *msg_ctx)
{
struct GNUNET_PeerIdentity new_peer;
struct DHTQueryRecord *record;
struct PeerInfo *peer_info;
const struct GNUNET_MessageHeader *hello_msg;
- increment_stats(STAT_RESULTS);
+ increment_stats (STAT_RESULTS);
/**
* If a find peer result message is received and contains a valid
* HELLO for another peer, offer it to the transport service.
*/
- if (ntohs(msg->type) == GNUNET_MESSAGE_TYPE_DHT_FIND_PEER_RESULT)
+ if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_DHT_FIND_PEER_RESULT)
{
- if (ntohs(msg->size) <= sizeof(struct GNUNET_MessageHeader))
- GNUNET_break_op(0);
+ if (ntohs (msg->size) <= sizeof (struct GNUNET_MessageHeader))
+ GNUNET_break_op (0);
hello_msg = &msg[1];
- if ((ntohs(hello_msg->type) != GNUNET_MESSAGE_TYPE_HELLO) || (GNUNET_SYSERR == GNUNET_HELLO_get_id((const struct GNUNET_HELLO_Message *)hello_msg, &new_peer)))
- {
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s:%s Received non-HELLO message type in find peer result message!\n", my_short_id, "DHT");
- GNUNET_break_op(0);
- return GNUNET_NO;
- }
- else /* We have a valid hello, and peer id stored in new_peer */
- {
- find_peer_context.count++;
- increment_stats(STAT_FIND_PEER_REPLY);
- if (GNUNET_YES == consider_peer(&new_peer))
+ if ((ntohs (hello_msg->type) != GNUNET_MESSAGE_TYPE_HELLO)
+ || (GNUNET_SYSERR ==
+ GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
+ hello_msg, &new_peer)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "%s:%s Received non-HELLO message type in find peer result message!\n",
+ my_short_id, "DHT");
+ GNUNET_break_op (0);
+ return GNUNET_NO;
+ }
+ else /* We have a valid hello, and peer id stored in new_peer */
{
- increment_stats(STAT_HELLOS_PROVIDED);
- GNUNET_TRANSPORT_offer_hello(transport_handle, hello_msg);
- GNUNET_CORE_peer_request_connect(cfg, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5), &new_peer, NULL, NULL);
+ find_peer_context.count++;
+ increment_stats (STAT_FIND_PEER_REPLY);
+ if (GNUNET_YES == consider_peer (&new_peer))
+ {
+ increment_stats (STAT_HELLOS_PROVIDED);
+ GNUNET_TRANSPORT_offer_hello (transport_handle, hello_msg);
+ GNUNET_CORE_peer_request_connect (coreAPI,
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 5),
+ &new_peer, NULL, NULL);
+ }
}
- }
}
if (malicious_dropper == GNUNET_YES)
record = NULL;
else
- record = GNUNET_CONTAINER_multihashmap_get(forward_list.hashmap, &message_context->key);
+ record =
+ GNUNET_CONTAINER_multihashmap_get (forward_list.hashmap, &msg_ctx->key);
- if (record == NULL) /* No record of this message! */
+ if (record == NULL) /* No record of this message! */
{
#if DEBUG_DHT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Have no record of response key %s uid %llu\n", my_short_id,
- "DHT", GNUNET_h2s (&message_context->key), message_context->unique_id);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "`%s:%s': Have no record of response key %s uid %llu\n",
+ my_short_id, "DHT", GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id);
#endif
#if DEBUG_DHT_ROUTING
if ((debug_routes_extended) && (dhtlog_handle != NULL))
{
dhtlog_handle->insert_route (NULL,
- message_context->unique_id,
+ msg_ctx->unique_id,
DHTLOG_RESULT,
- message_context->hop_count,
+ msg_ctx->hop_count,
GNUNET_SYSERR,
&my_identity,
- &message_context->key,
- message_context->peer, NULL);
+ &msg_ctx->key, msg_ctx->peer, NULL);
}
#endif
- if (message_context->bloom != NULL)
+ if (msg_ctx->bloom != NULL)
{
- GNUNET_CONTAINER_bloomfilter_free(message_context->bloom);
- message_context->bloom = NULL;
+ GNUNET_CONTAINER_bloomfilter_free (msg_ctx->bloom);
+ msg_ctx->bloom = NULL;
}
return 0;
}
while (pos != NULL)
{
#if STRICT_FORWARDING
- if (ntohs(msg->type) == GNUNET_MESSAGE_TYPE_DHT_FIND_PEER_RESULT) /* If we have already forwarded this peer id, don't do it again! */
+ if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_DHT_FIND_PEER_RESULT) /* If we have already forwarded this peer id, don't do it again! */
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (pos->find_peers_responded, &new_peer.hashPubKey))
- {
- increment_stats("# find peer responses NOT forwarded (bloom match)");
- pos = pos->next;
- continue;
- }
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (pos->find_peers_responded,
+ &new_peer.hashPubKey))
+ {
+ increment_stats
+ ("# find peer responses NOT forwarded (bloom match)");
+ pos = pos->next;
+ continue;
+ }
else
- GNUNET_CONTAINER_bloomfilter_add(pos->find_peers_responded, &new_peer.hashPubKey);
+ GNUNET_CONTAINER_bloomfilter_add (pos->find_peers_responded,
+ &new_peer.hashPubKey);
}
#endif
- if (0 == memcmp(&pos->source, &my_identity, sizeof(struct GNUNET_PeerIdentity))) /* Local client (or DHT) initiated request! */
+ if (0 == memcmp (&pos->source, &my_identity, sizeof (struct GNUNET_PeerIdentity))) /* Local client (or DHT) initiated request! */
{
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Sending response key %s uid %llu to client\n", my_short_id,
- "DHT", GNUNET_h2s (&message_context->key), message_context->unique_id);
+ "`%s:%s': Sending response key %s uid %llu to client\n",
+ my_short_id, "DHT", GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id);
#endif
#if DEBUG_DHT_ROUTING
if ((debug_routes_extended) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_route (NULL, message_context->unique_id, DHTLOG_RESULT,
- message_context->hop_count,
- GNUNET_YES, &my_identity, &message_context->key,
- message_context->peer, NULL);
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id,
+ DHTLOG_RESULT, msg_ctx->hop_count,
+ GNUNET_YES, &my_identity,
+ &msg_ctx->key, msg_ctx->peer,
+ NULL);
}
#endif
- increment_stats(STAT_RESULTS_TO_CLIENT);
- if (ntohs(msg->type) == GNUNET_MESSAGE_TYPE_DHT_GET_RESULT)
- increment_stats(STAT_GET_REPLY);
+ increment_stats (STAT_RESULTS_TO_CLIENT);
+ if (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_DHT_GET_RESULT)
+ increment_stats (STAT_GET_REPLY);
- send_reply_to_client(pos->client, msg,
- message_context->unique_id,
- &message_context->key);
+ send_reply_to_client (pos->client, msg,
+ msg_ctx->unique_id, &msg_ctx->key);
}
- else /* Send to peer */
+ else /* Send to peer */
{
- peer_info = find_peer_by_id(&pos->source);
- if (peer_info == NULL) /* Didn't find the peer in our routing table, perhaps peer disconnected! */
+ peer_info = find_peer_by_id (&pos->source);
+ if (peer_info == NULL) /* Didn't find the peer in our routing table, perhaps peer disconnected! */
{
pos = pos->next;
continue;
}
- if (message_context->bloom == NULL)
- message_context->bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
- GNUNET_CONTAINER_bloomfilter_add (message_context->bloom, &my_identity.hashPubKey);
- if ((GNUNET_NO == GNUNET_CONTAINER_bloomfilter_test (message_context->bloom, &peer_info->id.hashPubKey)))
+ if (msg_ctx->bloom == NULL)
+ msg_ctx->bloom =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE,
+ DHT_BLOOM_K);
+ GNUNET_CONTAINER_bloomfilter_add (msg_ctx->bloom,
+ &my_identity.hashPubKey);
+ if ((GNUNET_NO ==
+ GNUNET_CONTAINER_bloomfilter_test (msg_ctx->bloom,
+ &peer_info->id.hashPubKey)))
{
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Forwarding response key %s uid %llu to peer %s\n", my_short_id,
- "DHT", GNUNET_h2s (&message_context->key), message_context->unique_id, GNUNET_i2s(&peer_info->id));
+ "`%s:%s': Forwarding response key %s uid %llu to peer %s\n",
+ my_short_id, "DHT", GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id, GNUNET_i2s (&peer_info->id));
#endif
#if DEBUG_DHT_ROUTING
if ((debug_routes_extended) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_route (NULL, message_context->unique_id,
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id,
DHTLOG_RESULT,
- message_context->hop_count,
- GNUNET_NO, &my_identity, &message_context->key,
- message_context->peer, &pos->source);
+ msg_ctx->hop_count,
+ GNUNET_NO, &my_identity,
+ &msg_ctx->key, msg_ctx->peer,
+ &pos->source);
}
#endif
- forward_result_message(msg, peer_info, message_context);
+ forward_result_message (msg, peer_info, msg_ctx);
+ /* Try removing forward entries after sending once, only allows ONE response per request */
+ if (pos->delete_task != GNUNET_SCHEDULER_NO_TASK)
+ {
+ GNUNET_SCHEDULER_cancel (pos->delete_task);
+ pos->delete_task =
+ GNUNET_SCHEDULER_add_now (&remove_forward_entry, pos);
+ }
}
else
{
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': NOT Forwarding response (bloom match) key %s uid %llu to peer %s\n", my_short_id,
- "DHT", GNUNET_h2s (&message_context->key), message_context->unique_id, GNUNET_i2s(&peer_info->id));
+ "`%s:%s': NOT Forwarding response (bloom match) key %s uid %llu to peer %s\n",
+ my_short_id, "DHT", GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id, GNUNET_i2s (&peer_info->id));
#endif
}
}
pos = pos->next;
}
- if (message_context->bloom != NULL)
- GNUNET_CONTAINER_bloomfilter_free(message_context->bloom);
+ if (msg_ctx->bloom != NULL)
+ {
+ GNUNET_CONTAINER_bloomfilter_free (msg_ctx->bloom);
+ msg_ctx->bloom = NULL;
+ }
return 0;
}
datacache_get_iterator (void *cls,
struct GNUNET_TIME_Absolute exp,
const GNUNET_HashCode * key,
- size_t size, const char *data,
- enum GNUNET_BLOCK_Type type)
+ size_t size, const char *data,
+ enum GNUNET_BLOCK_Type type)
{
struct DHT_MessageContext *msg_ctx = cls;
struct DHT_MessageContext *new_msg_ctx;
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Received `%s' response from datacache\n", my_short_id, "DHT", "GET");
-#endif
+ "`%s:%s': Received `%s' response from datacache\n", my_short_id,
+ "DHT", "GET");
+#endif
eval = GNUNET_BLOCK_evaluate (block_context,
- type,
- key,
- &msg_ctx->reply_bf,
- msg_ctx->reply_bf_mutator,
- msg_ctx->xquery,
- msg_ctx->xquery_size,
- data,
- size);
+ type,
+ key,
+ &msg_ctx->reply_bf,
+ msg_ctx->reply_bf_mutator,
+ msg_ctx->xquery,
+ msg_ctx->xquery_size, data, size);
switch (eval)
{
case GNUNET_BLOCK_EVALUATION_OK_LAST:
msg_ctx->do_forward = GNUNET_NO;
case GNUNET_BLOCK_EVALUATION_OK_MORE:
- new_msg_ctx = GNUNET_malloc(sizeof(struct DHT_MessageContext));
- memcpy(new_msg_ctx, msg_ctx, sizeof(struct DHT_MessageContext));
+ new_msg_ctx = GNUNET_malloc (sizeof (struct DHT_MessageContext));
+ memcpy (new_msg_ctx, msg_ctx, sizeof (struct DHT_MessageContext));
get_result =
- GNUNET_malloc (sizeof (struct GNUNET_DHT_GetResultMessage) + size);
+ GNUNET_malloc (sizeof (struct GNUNET_DHT_GetResultMessage) + size);
get_result->header.type = htons (GNUNET_MESSAGE_TYPE_DHT_GET_RESULT);
get_result->header.size =
- htons (sizeof (struct GNUNET_DHT_GetResultMessage) + size);
- get_result->expiration = GNUNET_TIME_absolute_hton(exp);
+ htons (sizeof (struct GNUNET_DHT_GetResultMessage) + size);
+ get_result->expiration = GNUNET_TIME_absolute_hton (exp);
get_result->type = htons (type);
memcpy (&get_result[1], data, size);
new_msg_ctx->peer = &my_identity;
- new_msg_ctx->bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
+ new_msg_ctx->bloom =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
new_msg_ctx->hop_count = 0;
- new_msg_ctx->importance = DHT_DEFAULT_P2P_IMPORTANCE * 2; /* Make result routing a higher priority */
+ new_msg_ctx->importance = DHT_DEFAULT_P2P_IMPORTANCE + 2; /* Make result routing a higher priority */
new_msg_ctx->timeout = DHT_DEFAULT_P2P_TIMEOUT;
- increment_stats(STAT_GET_RESPONSE_START);
- route_result_message(&get_result->header, new_msg_ctx);
- GNUNET_free(new_msg_ctx);
+ increment_stats (STAT_GET_RESPONSE_START);
+ route_result_message (&get_result->header, new_msg_ctx);
+ GNUNET_free (new_msg_ctx);
GNUNET_free (get_result);
break;
case GNUNET_BLOCK_EVALUATION_OK_DUPLICATE:
case GNUNET_BLOCK_EVALUATION_REQUEST_VALID:
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Valid request, no results.\n", my_short_id, "DHT");
+ "`%s:%s': Valid request, no results.\n", my_short_id,
+ "DHT");
#endif
GNUNET_break (0);
break;
case GNUNET_BLOCK_EVALUATION_TYPE_NOT_SUPPORTED:
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Unsupported block type (%u) in response!\n", my_short_id, "DHT", type);
+ "`%s:%s': Unsupported block type (%u) in response!\n",
+ my_short_id, "DHT", type);
#endif
/* msg_ctx->do_forward = GNUNET_NO; // not sure... */
break;
- }
+ }
return GNUNET_OK;
}
* peers.
*
* @param msg the message to be routed
- * @param message_context the context containing all pertinent information about the message
+ * @param msg_ctx the context containing all pertinent information about the message
*/
static void
-route_message(const struct GNUNET_MessageHeader *msg,
- struct DHT_MessageContext *message_context);
+route_message (const struct GNUNET_MessageHeader *msg,
+ struct DHT_MessageContext *msg_ctx);
/**
* if found, send response either to clients or other peers.
*
* @param msg the actual get message
- * @param message_context struct containing pertinent information about the get request
+ * @param msg_ctx struct containing pertinent information about the get request
*
* @return number of items found for GET request
*/
static unsigned int
handle_dht_get (const struct GNUNET_MessageHeader *msg,
- struct DHT_MessageContext *message_context)
+ struct DHT_MessageContext *msg_ctx)
{
const struct GNUNET_DHT_GetMessage *get_msg;
uint16_t msize;
}
get_msg = (const struct GNUNET_DHT_GetMessage *) msg;
bf_size = ntohs (get_msg->bf_size);
- message_context->xquery_size = ntohs (get_msg->xquery_size);
- message_context->reply_bf_mutator = get_msg->bf_mutator; /* FIXME: ntohl? */
- if (msize != sizeof (struct GNUNET_DHT_GetMessage) + bf_size + message_context->xquery_size)
+ msg_ctx->xquery_size = ntohs (get_msg->xquery_size);
+ msg_ctx->reply_bf_mutator = get_msg->bf_mutator; /* FIXME: ntohl? */
+ if (msize !=
+ sizeof (struct GNUNET_DHT_GetMessage) + bf_size + msg_ctx->xquery_size)
{
GNUNET_break (0);
return 0;
}
- end = (const char*) &get_msg[1];
- if (message_context->xquery_size == 0)
+ end = (const char *) &get_msg[1];
+ if (msg_ctx->xquery_size == 0)
{
- message_context->xquery = NULL;
+ msg_ctx->xquery = NULL;
}
else
{
- message_context->xquery = (const void*) end;
- end += message_context->xquery_size;
+ msg_ctx->xquery = (const void *) end;
+ end += msg_ctx->xquery_size;
}
if (bf_size == 0)
{
- message_context->reply_bf = NULL;
+ msg_ctx->reply_bf = NULL;
}
else
{
- message_context->reply_bf = GNUNET_CONTAINER_bloomfilter_init (end,
- bf_size,
- GNUNET_DHT_GET_BLOOMFILTER_K);
+ msg_ctx->reply_bf = GNUNET_CONTAINER_bloomfilter_init (end,
+ bf_size,
+ GNUNET_DHT_GET_BLOOMFILTER_K);
}
type = (enum GNUNET_BLOCK_Type) ntohl (get_msg->type);
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"`%s:%s': Received `%s' request, message type %u, key %s, uid %llu\n",
- my_short_id,
- "DHT", "GET",
- type,
- GNUNET_h2s (&message_context->key),
- message_context->unique_id);
+ my_short_id,
+ "DHT", "GET",
+ type, GNUNET_h2s (&msg_ctx->key), msg_ctx->unique_id);
#endif
- increment_stats(STAT_GETS);
+ increment_stats (STAT_GETS);
results = 0;
#if HAVE_MALICIOUS
if (type == GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE)
{
- GNUNET_CONTAINER_bloomfilter_free (message_context->reply_bf);
+ GNUNET_CONTAINER_bloomfilter_free (msg_ctx->reply_bf);
return results;
}
#endif
- message_context->do_forward = GNUNET_YES;
+ msg_ctx->do_forward = GNUNET_YES;
if (datacache != NULL)
results
= GNUNET_DATACACHE_get (datacache,
- &message_context->key, type,
- &datacache_get_iterator,
- message_context);
+ &msg_ctx->key, type,
+ &datacache_get_iterator, msg_ctx);
#if DEBUG_DHT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Found %d results for `%s' request uid %llu\n", my_short_id, "DHT",
- results, "GET", message_context->unique_id);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "`%s:%s': Found %d results for `%s' request uid %llu\n",
+ my_short_id, "DHT", results, "GET", msg_ctx->unique_id);
#endif
if (results >= 1)
{
#if DEBUG_DHT_ROUTING
if ((debug_routes) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_query (NULL, message_context->unique_id, DHTLOG_GET,
- message_context->hop_count, GNUNET_YES, &my_identity,
- &message_context->key);
+ dhtlog_handle->insert_query (NULL, msg_ctx->unique_id, DHTLOG_GET,
+ msg_ctx->hop_count, GNUNET_YES,
+ &my_identity, &msg_ctx->key);
}
if ((debug_routes_extended) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_route (NULL, message_context->unique_id, DHTLOG_ROUTE,
- message_context->hop_count, GNUNET_YES,
- &my_identity, &message_context->key, message_context->peer,
- NULL);
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id, DHTLOG_ROUTE,
+ msg_ctx->hop_count, GNUNET_YES,
+ &my_identity, &msg_ctx->key,
+ msg_ctx->peer, NULL);
}
#endif
}
{
/* check query valid */
if (GNUNET_BLOCK_EVALUATION_REQUEST_INVALID
- == GNUNET_BLOCK_evaluate (block_context,
- type,
- &message_context->key,
- &message_context->reply_bf,
- message_context->reply_bf_mutator,
- message_context->xquery,
- message_context->xquery_size,
- NULL, 0))
- {
- GNUNET_break_op (0);
- message_context->do_forward = GNUNET_NO;
- }
+ == GNUNET_BLOCK_evaluate (block_context,
+ type,
+ &msg_ctx->key,
+ &msg_ctx->reply_bf,
+ msg_ctx->reply_bf_mutator,
+ msg_ctx->xquery,
+ msg_ctx->xquery_size, NULL, 0))
+ {
+ GNUNET_break_op (0);
+ msg_ctx->do_forward = GNUNET_NO;
+ }
}
- if (message_context->hop_count == 0) /* Locally initiated request */
+ if (msg_ctx->hop_count == 0) /* Locally initiated request */
{
#if DEBUG_DHT_ROUTING
- if ((debug_routes) && (dhtlog_handle != NULL))
- {
- dhtlog_handle->insert_query (NULL, message_context->unique_id, DHTLOG_GET,
- message_context->hop_count, GNUNET_NO, &my_identity,
- &message_context->key);
- }
+ if ((debug_routes) && (dhtlog_handle != NULL))
+ {
+ dhtlog_handle->insert_query (NULL, msg_ctx->unique_id, DHTLOG_GET,
+ msg_ctx->hop_count, GNUNET_NO,
+ &my_identity, &msg_ctx->key);
+ }
#endif
}
- if (message_context->do_forward == GNUNET_YES)
- route_message (msg, message_context);
- GNUNET_CONTAINER_bloomfilter_free (message_context->reply_bf);
+ if (msg_ctx->do_forward == GNUNET_YES)
+ route_message (msg, msg_ctx);
+ GNUNET_CONTAINER_bloomfilter_free (msg_ctx->reply_bf);
return results;
}
static void
-remove_recent_find_peer(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+remove_recent_find_peer (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_HashCode *key = cls;
-
- GNUNET_assert (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove(recent_find_peer_requests, key, NULL));
+
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove
+ (recent_find_peer_requests, key, NULL));
GNUNET_free (key);
}
* Server handler for initiating local dht find peer requests
*
* @param find_msg the actual find peer message
- * @param message_context struct containing pertinent information about the request
+ * @param msg_ctx struct containing pertinent information about the request
*
*/
static void
handle_dht_find_peer (const struct GNUNET_MessageHeader *find_msg,
- struct DHT_MessageContext *message_context)
+ struct DHT_MessageContext *msg_ctx)
{
struct GNUNET_MessageHeader *find_peer_result;
struct GNUNET_DHT_FindPeerMessage *find_peer_message;
size_t other_hello_size;
struct GNUNET_PeerIdentity peer_id;
- find_peer_message = (struct GNUNET_DHT_FindPeerMessage *)find_msg;
- GNUNET_break_op(ntohs(find_msg->size) >= (sizeof(struct GNUNET_DHT_FindPeerMessage)));
- if (ntohs(find_msg->size) < sizeof(struct GNUNET_DHT_FindPeerMessage))
+ find_peer_message = (struct GNUNET_DHT_FindPeerMessage *) find_msg;
+ GNUNET_break_op (ntohs (find_msg->size) >=
+ (sizeof (struct GNUNET_DHT_FindPeerMessage)));
+ if (ntohs (find_msg->size) < sizeof (struct GNUNET_DHT_FindPeerMessage))
return;
other_hello = NULL;
other_hello_size = 0;
- if (ntohs(find_msg->size) > sizeof(struct GNUNET_DHT_FindPeerMessage))
+ if (ntohs (find_msg->size) > sizeof (struct GNUNET_DHT_FindPeerMessage))
{
- other_hello_size = ntohs(find_msg->size) - sizeof(struct GNUNET_DHT_FindPeerMessage);
- other_hello = GNUNET_malloc(other_hello_size);
- memcpy(other_hello, &find_peer_message[1], other_hello_size);
- if ((GNUNET_HELLO_size((struct GNUNET_HELLO_Message *)other_hello) == 0) || (GNUNET_OK != GNUNET_HELLO_get_id((struct GNUNET_HELLO_Message *)other_hello, &peer_id)))
+ other_hello_size =
+ ntohs (find_msg->size) - sizeof (struct GNUNET_DHT_FindPeerMessage);
+ other_hello = GNUNET_malloc (other_hello_size);
+ memcpy (other_hello, &find_peer_message[1], other_hello_size);
+ if ((GNUNET_HELLO_size ((struct GNUNET_HELLO_Message *) other_hello) ==
+ 0)
+ || (GNUNET_OK !=
+ GNUNET_HELLO_get_id ((struct GNUNET_HELLO_Message *)
+ other_hello, &peer_id)))
{
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Received invalid HELLO message in find peer request!\n");
- GNUNET_free(other_hello);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Received invalid HELLO message in find peer request!\n");
+ GNUNET_free (other_hello);
return;
}
#if FIND_PEER_WITH_HELLO
- if (GNUNET_YES == consider_peer(&peer_id))
+ if (GNUNET_YES == consider_peer (&peer_id))
{
- increment_stats(STAT_HELLOS_PROVIDED);
- GNUNET_TRANSPORT_offer_hello(transport_handle, other_hello);
- GNUNET_CORE_peer_request_connect(cfg, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5), &peer_id, NULL, NULL);
- route_message (find_msg, message_context);
- GNUNET_free (other_hello);
+ increment_stats (STAT_HELLOS_PROVIDED);
+ GNUNET_TRANSPORT_offer_hello (transport_handle, other_hello);
+ GNUNET_CORE_peer_request_connect (coreAPI,
+ GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 5),
+ &peer_id, NULL, NULL);
+ route_message (find_msg, msg_ctx);
+ GNUNET_free (other_hello);
+ return;
+ }
+ else /* We don't want this peer! */
+ {
+ route_message (find_msg, msg_ctx);
+ GNUNET_free (other_hello);
return;
}
- else /* We don't want this peer! */
- {
- route_message (find_msg, message_context);
- GNUNET_free (other_hello);
- return;
- }
#endif
}
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"`%s:%s': Received `%s' request from client, key %s (msg size %d, we expected %d)\n",
- my_short_id, "DHT", "FIND PEER", GNUNET_h2s (&message_context->key),
- ntohs (find_msg->size),
- sizeof (struct GNUNET_MessageHeader));
+ my_short_id, "DHT", "FIND PEER", GNUNET_h2s (&msg_ctx->key),
+ ntohs (find_msg->size), sizeof (struct GNUNET_MessageHeader));
#endif
if (my_hello == NULL)
- {
+ {
#if DEBUG_DHT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s': Our HELLO is null, can't return.\n",
- "DHT");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "`%s': Our HELLO is null, can't return.\n", "DHT");
#endif
- GNUNET_free_non_null (other_hello);
- route_message (find_msg, message_context);
- return;
- }
+ GNUNET_free_non_null (other_hello);
+ route_message (find_msg, msg_ctx);
+ return;
+ }
- incoming_bloom = GNUNET_CONTAINER_bloomfilter_init(find_peer_message->bloomfilter, DHT_BLOOM_SIZE, DHT_BLOOM_K);
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test(incoming_bloom, &my_identity.hashPubKey))
+ incoming_bloom =
+ GNUNET_CONTAINER_bloomfilter_init (find_peer_message->bloomfilter,
+ DHT_BLOOM_SIZE, DHT_BLOOM_K);
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (incoming_bloom,
+ &my_identity.hashPubKey))
{
- increment_stats(STAT_BLOOM_FIND_PEER);
- GNUNET_CONTAINER_bloomfilter_free(incoming_bloom);
- GNUNET_free_non_null(other_hello);
- route_message (find_msg, message_context);
- return; /* We match the bloomfilter, do not send a response to this peer (they likely already know us!)*/
+ increment_stats (STAT_BLOOM_FIND_PEER);
+ GNUNET_CONTAINER_bloomfilter_free (incoming_bloom);
+ GNUNET_free_non_null (other_hello);
+ route_message (find_msg, msg_ctx);
+ return; /* We match the bloomfilter, do not send a response to this peer (they likely already know us!) */
}
- GNUNET_CONTAINER_bloomfilter_free(incoming_bloom);
+ GNUNET_CONTAINER_bloomfilter_free (incoming_bloom);
#if RESTRICT_FIND_PEER
/**
* Ignore any find peer requests from a peer we have seen very recently.
*/
- if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(recent_find_peer_requests, &message_context->key)) /* We have recently responded to a find peer request for this peer! */
- {
- increment_stats("# dht find peer requests ignored (recently seen!)");
- GNUNET_free_non_null(other_hello);
- return;
- }
+ if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (recent_find_peer_requests, &msg_ctx->key)) /* We have recently responded to a find peer request for this peer! */
+ {
+ increment_stats ("# dht find peer requests ignored (recently seen!)");
+ GNUNET_free_non_null (other_hello);
+ return;
+ }
/**
* Use this check to only allow the peer to respond to find peer requests if
* the network and has no other peers this is a problem (assume all buckets
* full, no one will respond!).
*/
- memcpy(&peer_id.hashPubKey, &message_context->key, sizeof(GNUNET_HashCode));
- if (GNUNET_NO == consider_peer(&peer_id))
+ memcpy (&peer_id.hashPubKey, &msg_ctx->key, sizeof (GNUNET_HashCode));
+ if (GNUNET_NO == consider_peer (&peer_id))
{
- increment_stats("# dht find peer requests ignored (do not need!)");
- GNUNET_free_non_null(other_hello);
- route_message (find_msg, message_context);
+ increment_stats ("# dht find peer requests ignored (do not need!)");
+ GNUNET_free_non_null (other_hello);
+ route_message (find_msg, msg_ctx);
return;
}
#endif
- recent_hash = GNUNET_malloc(sizeof(GNUNET_HashCode));
- memcpy(recent_hash, &message_context->key, sizeof(GNUNET_HashCode));
- if (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_put (recent_find_peer_requests,
- &message_context->key, NULL,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
+ recent_hash = GNUNET_malloc (sizeof (GNUNET_HashCode));
+ memcpy (recent_hash, &msg_ctx->key, sizeof (GNUNET_HashCode));
+ if (GNUNET_SYSERR !=
+ GNUNET_CONTAINER_multihashmap_put (recent_find_peer_requests,
+ &msg_ctx->key, NULL,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Adding recent remove task for key `%s`!\n", GNUNET_h2s(&message_context->key));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Adding recent remove task for key `%s`!\n",
+ GNUNET_h2s (&msg_ctx->key));
/* Only add a task if there wasn't one for this key already! */
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30),
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_SECONDS, 30),
&remove_recent_find_peer, recent_hash);
}
else
{
- GNUNET_free(recent_hash);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Received duplicate find peer request too soon!\n");
+ GNUNET_free (recent_hash);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received duplicate find peer request too soon!\n");
}
/* Simplistic find_peer functionality, always return our hello */
- hello_size = ntohs(my_hello->size);
+ hello_size = ntohs (my_hello->size);
tsize = hello_size + sizeof (struct GNUNET_MessageHeader);
if (tsize >= GNUNET_SERVER_MAX_MESSAGE_SIZE)
{
GNUNET_break_op (0);
- GNUNET_free_non_null(other_hello);
+ GNUNET_free_non_null (other_hello);
return;
}
"`%s': Sending hello size %d to requesting peer.\n",
"DHT", hello_size);
- new_msg_ctx = GNUNET_malloc(sizeof(struct DHT_MessageContext));
- memcpy(new_msg_ctx, message_context, sizeof(struct DHT_MessageContext));
+ new_msg_ctx = GNUNET_malloc (sizeof (struct DHT_MessageContext));
+ memcpy (new_msg_ctx, msg_ctx, sizeof (struct DHT_MessageContext));
new_msg_ctx->peer = &my_identity;
- new_msg_ctx->bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
+ new_msg_ctx->bloom =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
new_msg_ctx->hop_count = 0;
- new_msg_ctx->importance = DHT_DEFAULT_P2P_IMPORTANCE * 2; /* Make find peer requests a higher priority */
+ new_msg_ctx->importance = DHT_DEFAULT_P2P_IMPORTANCE + 2; /* Make find peer requests a higher priority */
new_msg_ctx->timeout = DHT_DEFAULT_P2P_TIMEOUT;
- increment_stats(STAT_FIND_PEER_ANSWER);
- route_result_message(find_peer_result, new_msg_ctx);
- GNUNET_free(new_msg_ctx);
+ increment_stats (STAT_FIND_PEER_ANSWER);
+ route_result_message (find_peer_result, new_msg_ctx);
+ GNUNET_free (new_msg_ctx);
#if DEBUG_DHT_ROUTING
if ((debug_routes) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_query (NULL, message_context->unique_id, DHTLOG_FIND_PEER,
- message_context->hop_count, GNUNET_YES, &my_identity,
- &message_context->key);
+ dhtlog_handle->insert_query (NULL, msg_ctx->unique_id, DHTLOG_FIND_PEER,
+ msg_ctx->hop_count, GNUNET_YES,
+ &my_identity, &msg_ctx->key);
}
#endif
- GNUNET_free_non_null(other_hello);
- GNUNET_free(find_peer_result);
- route_message (find_msg, message_context);
+ GNUNET_free_non_null (other_hello);
+ GNUNET_free (find_peer_result);
+ route_message (find_msg, msg_ctx);
}
/**
* @param tc runtime context for this task
*/
static void
-republish_content(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+republish_content (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
/**
* Server handler for initiating local dht put requests
*
* @param msg the actual put message
- * @param message_context struct containing pertinent information about the request
+ * @param msg_ctx struct containing pertinent information about the request
*/
static void
handle_dht_put (const struct GNUNET_MessageHeader *msg,
- struct DHT_MessageContext *message_context)
+ struct DHT_MessageContext *msg_ctx)
{
const struct GNUNET_DHT_PutMessage *put_msg;
enum GNUNET_BLOCK_Type put_type;
struct RepublishContext *put_context;
GNUNET_HashCode key;
- GNUNET_assert (ntohs (msg->size) >=
- sizeof (struct GNUNET_DHT_PutMessage));
+ GNUNET_assert (ntohs (msg->size) >= sizeof (struct GNUNET_DHT_PutMessage));
- put_msg = (const struct GNUNET_DHT_PutMessage *)msg;
+ put_msg = (const struct GNUNET_DHT_PutMessage *) msg;
put_type = (enum GNUNET_BLOCK_Type) ntohl (put_msg->type);
#if HAVE_MALICIOUS
if (put_type == GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE)
- return;
+ {
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ {
+ /** Log routes that die due to high load! */
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id, DHTLOG_ROUTE,
+ msg_ctx->hop_count, GNUNET_SYSERR,
+ &my_identity, &msg_ctx->key,
+ msg_ctx->peer, NULL);
+ }
+#endif
+ return;
+ }
#endif
- data_size = ntohs (put_msg->header.size) - sizeof (struct GNUNET_DHT_PutMessage);
- ret = GNUNET_BLOCK_get_key (block_context,
- put_type,
- &put_msg[1],
- data_size,
- &key);
+ data_size =
+ ntohs (put_msg->header.size) - sizeof (struct GNUNET_DHT_PutMessage);
+ ret =
+ GNUNET_BLOCK_get_key (block_context, put_type, &put_msg[1], data_size,
+ &key);
if (GNUNET_NO == ret)
{
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ {
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id, DHTLOG_ROUTE,
+ msg_ctx->hop_count, GNUNET_SYSERR,
+ &my_identity, &msg_ctx->key,
+ msg_ctx->peer, NULL);
+ }
+#endif
/* invalid reply */
GNUNET_break_op (0);
return;
}
- if ( (GNUNET_YES == ret) &&
- (0 != memcmp (&key,
- &message_context->key,
- sizeof (GNUNET_HashCode))) )
+ if ((GNUNET_YES == ret) &&
+ (0 != memcmp (&key, &msg_ctx->key, sizeof (GNUNET_HashCode))))
{
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ {
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id, DHTLOG_ROUTE,
+ msg_ctx->hop_count, GNUNET_SYSERR,
+ &my_identity, &msg_ctx->key,
+ msg_ctx->peer, NULL);
+ }
+#endif
/* invalid wrapper: key mismatch! */
GNUNET_break_op (0);
return;
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"`%s:%s': Received `%s' request (inserting data!), message type %d, key %s, uid %llu\n",
- my_short_id, "DHT", "PUT", put_type, GNUNET_h2s (&message_context->key), message_context->unique_id);
+ my_short_id, "DHT", "PUT", put_type, GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id);
#endif
#if DEBUG_DHT_ROUTING
- if (message_context->hop_count == 0) /* Locally initiated request */
+ if (msg_ctx->hop_count == 0) /* Locally initiated request */
{
if ((debug_routes) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_query (NULL, message_context->unique_id, DHTLOG_PUT,
- message_context->hop_count, GNUNET_NO, &my_identity,
- &message_context->key);
+ dhtlog_handle->insert_query (NULL, msg_ctx->unique_id, DHTLOG_PUT,
+ msg_ctx->hop_count, GNUNET_NO,
+ &my_identity, &msg_ctx->key);
}
}
#endif
- if (message_context->closest != GNUNET_YES)
+ if (msg_ctx->closest != GNUNET_YES)
{
- route_message (msg, message_context);
+ route_message (msg, msg_ctx);
return;
}
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"`%s:%s': Received `%s' request (inserting data!), message type %d, key %s, uid %llu\n",
- my_short_id, "DHT", "PUT", put_type, GNUNET_h2s (&message_context->key), message_context->unique_id);
+ my_short_id, "DHT", "PUT", put_type, GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id);
#endif
#if DEBUG_DHT_ROUTING
if ((debug_routes_extended) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_route (NULL, message_context->unique_id, DHTLOG_ROUTE,
- message_context->hop_count, GNUNET_YES,
- &my_identity, &message_context->key, message_context->peer,
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id, DHTLOG_ROUTE,
+ msg_ctx->hop_count, GNUNET_YES,
+ &my_identity, &msg_ctx->key, msg_ctx->peer,
NULL);
}
if ((debug_routes) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_query (NULL, message_context->unique_id, DHTLOG_PUT,
- message_context->hop_count, GNUNET_YES, &my_identity,
- &message_context->key);
+ dhtlog_handle->insert_query (NULL, msg_ctx->unique_id, DHTLOG_PUT,
+ msg_ctx->hop_count, GNUNET_YES,
+ &my_identity, &msg_ctx->key);
}
#endif
- increment_stats(STAT_PUTS_INSERTED);
+ increment_stats (STAT_PUTS_INSERTED);
if (datacache != NULL)
{
- ret = GNUNET_DATACACHE_put (datacache, &message_context->key, data_size,
+ ret = GNUNET_DATACACHE_put (datacache, &msg_ctx->key, data_size,
(char *) &put_msg[1], put_type,
- GNUNET_TIME_absolute_ntoh(put_msg->expiration));
+ GNUNET_TIME_absolute_ntoh
+ (put_msg->expiration));
if ((ret == GNUNET_YES) && (do_republish == GNUNET_YES))
{
- put_context = GNUNET_malloc(sizeof(struct RepublishContext));
- memcpy(&put_context->key, &message_context->key, sizeof(GNUNET_HashCode));
+ put_context = GNUNET_malloc (sizeof (struct RepublishContext));
+ memcpy (&put_context->key, &msg_ctx->key, sizeof (GNUNET_HashCode));
put_context->type = put_type;
- GNUNET_SCHEDULER_add_delayed (dht_republish_frequency, &republish_content, put_context);
+ GNUNET_SCHEDULER_add_delayed (dht_republish_frequency,
+ &republish_content, put_context);
}
}
else
my_short_id, "DHT", "PUT");
if (stop_on_closest == GNUNET_NO)
- route_message (msg, message_context);
+ route_message (msg, msg_ctx);
}
/**
*
* @return ballpark diameter figure
*/
-static unsigned int estimate_diameter()
+static unsigned int
+estimate_diameter ()
{
return MAX_BUCKETS - lowest_bucket;
}
* forward the request to obtain the desired
* target_replication count (on average).
*
- * Always 0, 1 or 2 (don't send, send once, split)
+ * returns: target_replication / (est. hops) + (target_replication * hop_count)
+ * where est. hops is typically 2 * the routing table depth
+ *
+ * @param hop_count number of hops the message has traversed
+ * @param target_replication the number of total paths desired
+ *
+ * @return Some number of peers to forward the message to
*/
static unsigned int
get_forward_count (unsigned int hop_count, size_t target_replication)
{
-#if DOUBLE
- double target_count;
- double random_probability;
-#else
uint32_t random_value;
-#endif
- unsigned int target_value;
+ unsigned int forward_count;
+ float target_value;
unsigned int diameter;
+ diameter = estimate_diameter ();
+
+ if (GNUNET_NO == use_max_hops)
+ max_hops = (diameter + 1) * 2;
+
/**
* If we are behaving in strict kademlia mode, send multiple initial requests,
* but then only send to 1 or 0 peers based strictly on the number of hops.
if (strict_kademlia == GNUNET_YES)
{
if (hop_count == 0)
- return DHT_KADEMLIA_REPLICATION;
+ return kademlia_replication;
else if (hop_count < max_hops)
return 1;
else
* routing right? The estimation below only works if we think we have reasonably
* full routing tables, which for our RR topologies may not be the case!
*/
- diameter = estimate_diameter ();
- if ((hop_count > (diameter + 1) * 2) && (MINIMUM_PEER_THRESHOLD < estimate_diameter() * bucket_size) && (use_max_hops == GNUNET_NO))
+ if (hop_count > max_hops)
{
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Hop count too high (est %d, lowest %d), NOT Forwarding request\n", my_short_id,
- "DHT", estimate_diameter(), lowest_bucket);
+ "`%s:%s': Hop count too high (est %d, lowest %d), NOT Forwarding request\n",
+ my_short_id, "DHT", estimate_diameter (), lowest_bucket);
#endif
return 0;
}
- else if (hop_count > max_hops)
+
+ random_value = 0;
+ forward_count = 1;
+ target_value =
+ target_replication / (diameter +
+ ((float) target_replication * hop_count));
+ if (target_value > 1)
{
-#if DEBUG_DHT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Hop count too high (greater than max)\n", my_short_id,
- "DHT");
-#endif
- return 0;
+ /* Set forward count to floor of target_value */
+ forward_count = (unsigned int) target_value;
+ /* Subtract forward_count (floor) from target_value (yields value between 0 and 1) */
+ target_value = target_value - forward_count;
}
+ else
+ random_value =
+ GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_STRONG,
+ UINT32_MAX);
-#if DOUBLE
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Replication %d, hop_count %u, diameter %u\n", target_replication, hop_count, diameter);
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Numerator %f, denominator %f\n", (double)target_replication, ((double)target_replication * (hop_count + 1) + diameter));
- target_count = /* target_count is ALWAYS < 1 unless replication is < 1 */
- (double)target_replication / ((double)target_replication * (hop_count + 1) + diameter);
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Target count is %f\n", target_count);
- random_probability = ((double)GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
- RAND_MAX)) / RAND_MAX;
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Random is %f\n", random_probability);
-
- target_value = 0;
- //while (target_value < target_count)
- if (target_value < target_count)
- target_value++; /* target_value is ALWAYS 1 after this "loop", right? Because target_count is always > 0, right? Or does it become 0.00000... at some point because the hop count is so high? */
-
-
- //if ((target_count + 1 - (double)target_value) > random_probability)
- if ((target_count) > random_probability)
- target_value++;
-#endif
-
- random_value = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_STRONG, target_replication * (hop_count + 1) + diameter) + 1;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "replication %u, at hop %d, will split with probability %f\n", target_replication, hop_count, target_replication / (double)((target_replication * (hop_count + 1) + diameter) + 1));
- target_value = 1;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "random %u, target %u, max %u\n", random_value, target_replication, target_replication * (hop_count + 1) + diameter);
- if (random_value < target_replication)
- target_value++;
+ if (random_value < (target_value * UINT32_MAX))
+ forward_count += 1;
- return target_value;
+ return forward_count;
}
/*
* otherwise.
*/
int
-am_closest_peer (const GNUNET_HashCode * target, struct GNUNET_CONTAINER_BloomFilter *bloom)
+am_closest_peer (const GNUNET_HashCode * target,
+ struct GNUNET_CONTAINER_BloomFilter *bloom)
{
int bits;
int other_bits;
struct PeerInfo *pos;
unsigned int my_distance;
- if (0 == memcmp(&my_identity.hashPubKey, target, sizeof(GNUNET_HashCode)))
+ if (0 == memcmp (&my_identity.hashPubKey, target, sizeof (GNUNET_HashCode)))
return GNUNET_YES;
- bucket_num = find_current_bucket(target);
+ bucket_num = find_current_bucket (target);
- bits = GNUNET_CRYPTO_hash_matching_bits(&my_identity.hashPubKey, target);
- my_distance = distance(&my_identity.hashPubKey, target);
+ bits = GNUNET_CRYPTO_hash_matching_bits (&my_identity.hashPubKey, target);
+ my_distance = distance (&my_identity.hashPubKey, target);
pos = k_buckets[bucket_num].head;
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- if ((bloom != NULL) && (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test(bloom, &pos->id.hashPubKey)))
+ if ((bloom != NULL)
+ && (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey)))
{
pos = pos->next;
- continue; /* Skip already checked entries */
+ continue; /* Skip already checked entries */
}
- other_bits = GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, target);
+ other_bits =
+ GNUNET_CRYPTO_hash_matching_bits (&pos->id.hashPubKey, target);
if (other_bits > bits)
return GNUNET_NO;
- else if (other_bits == bits) /* We match the same number of bits, do distance comparison */
+ else if (other_bits == bits) /* We match the same number of bits */
{
- if (strict_kademlia != GNUNET_YES) /* Return that we at as close as any other peer */
+ if (strict_kademlia != GNUNET_YES) /* Return that we at as close as any other peer */
return GNUNET_YES;
- else if (distance(&pos->id.hashPubKey, target) < my_distance) /* Check all known peers, only return if we are the true closest */
+ else if (distance (&pos->id.hashPubKey, target) < my_distance) /* Check all known peers, only return if we are the true closest */
return GNUNET_NO;
}
pos = pos->next;
*
*/
static unsigned long long
-converge_distance (const GNUNET_HashCode *target,
- struct PeerInfo *peer,
- unsigned int hops)
+converge_distance (const GNUNET_HashCode * target,
+ struct PeerInfo *peer, unsigned int hops)
{
unsigned long long ret;
unsigned int other_matching_bits;
- double base_converge_modifier = .1; /* Value that "looks" good (when plotted), have to start somewhere */
+ double base_converge_modifier = .1; /* Value that "looks" good (when plotted), have to start somewhere */
double temp_modifier;
double calc_value;
double exponent;
if (use_max_hops)
curr_max_hops = max_hops;
else
- curr_max_hops = (estimate_diameter() + 1) * 2;
+ curr_max_hops = (estimate_diameter () + 1) * 2;
if (converge_modifier > 0)
temp_modifier = converge_modifier * base_converge_modifier;
base_converge_modifier = 0.0;
}
- GNUNET_assert(temp_modifier > 0);
+ GNUNET_assert (temp_modifier > 0);
- other_matching_bits = GNUNET_CRYPTO_hash_matching_bits(target, &peer->id.hashPubKey);
+ other_matching_bits =
+ GNUNET_CRYPTO_hash_matching_bits (target, &peer->id.hashPubKey);
switch (converge_option)
{
- case DHT_CONVERGE_RANDOM:
- return 1; /* Always return 1, choose equally among all peers */
- case DHT_CONVERGE_LINEAR:
- calc_value = hops * curr_max_hops * temp_modifier;
- break;
- case DHT_CONVERGE_SQUARE:
+ case DHT_CONVERGE_RANDOM:
+ return 1; /* Always return 1, choose equally among all peers */
+ case DHT_CONVERGE_LINEAR:
+ calc_value = hops * curr_max_hops * temp_modifier;
+ break;
+ case DHT_CONVERGE_SQUARE:
/**
* Simple square based curve.
*/
- calc_value = (sqrt(hops) / sqrt(curr_max_hops)) * (curr_max_hops / (curr_max_hops * temp_modifier));
- break;
- case DHT_CONVERGE_EXPONENTIAL:
+ calc_value =
+ (sqrt (hops) / sqrt (curr_max_hops)) * (curr_max_hops /
+ (curr_max_hops *
+ temp_modifier));
+ break;
+ case DHT_CONVERGE_EXPONENTIAL:
/**
* Simple exponential curve.
*/
- if (base_converge_modifier > 0)
- calc_value = (temp_modifier * hops * hops) / curr_max_hops;
- else
- calc_value = (hops * hops) / curr_max_hops;
- break;
- case DHT_CONVERGE_BINARY:
+ if (base_converge_modifier > 0)
+ calc_value = (temp_modifier * hops * hops) / curr_max_hops;
+ else
+ calc_value = (hops * hops) / curr_max_hops;
+ break;
+ case DHT_CONVERGE_BINARY:
/**
* If below the cutoff, route randomly (return 1),
* If above the cutoff, return the maximum possible
* they are sorted.)
*/
- if (hops > converge_modifier) /* Past cutoff */
- {
- return ULLONG_MAX;
- }
- /* Fall through */
- default:
- return 1;
+ if (hops >= converge_modifier) /* Past cutoff */
+ {
+ return ULLONG_MAX;
+ }
+ /* Fall through */
+ default:
+ return 1;
}
/* Take the log (base e) of the number of bits matching the other peer */
- exponent = log(other_matching_bits);
+ exponent = log (other_matching_bits);
/* Check if we would overflow; our largest possible value is 2^64 approx. e^44.361419555836498 */
if (exponent * calc_value >= 44.361419555836498)
/* Clear errno and all math exceptions */
errno = 0;
- feclearexcept(FE_ALL_EXCEPT);
- ret = (unsigned long long)pow(other_matching_bits, calc_value);
- if ((errno != 0) || fetestexcept(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW |
- FE_UNDERFLOW))
- {
- if (0 != fetestexcept(FE_OVERFLOW))
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "FE_OVERFLOW\n");
- if (0 != fetestexcept(FE_INVALID))
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "FE_INVALID\n");
- if (0 != fetestexcept(FE_UNDERFLOW))
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "FE_UNDERFLOW\n");
+ feclearexcept (FE_ALL_EXCEPT);
+ ret = (unsigned long long) pow (other_matching_bits, calc_value);
+ if ((errno != 0) || fetestexcept (FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW |
+ FE_UNDERFLOW))
+ {
+ if (0 != fetestexcept (FE_OVERFLOW))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "FE_OVERFLOW\n");
+ if (0 != fetestexcept (FE_INVALID))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "FE_INVALID\n");
+ if (0 != fetestexcept (FE_UNDERFLOW))
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "FE_UNDERFLOW\n");
return 0;
}
else
static int
compare_peers (const void *p1, const void *p2)
{
- struct PeerInfo **first = (struct PeerInfo **)p1;
- struct PeerInfo **second = (struct PeerInfo **)p2;
+ struct PeerInfo **first = (struct PeerInfo **) p1;
+ struct PeerInfo **second = (struct PeerInfo **) p2;
if ((*first)->matching_bits > (*second)->matching_bits)
return -1;
*
* @param target the key we are selecting a peer to route to
* @param bloom a bloomfilter containing entries this request has seen already
+ * @param hops how many hops has this message traversed thus far
*
* @return Peer to route to, or NULL on error
*/
unsigned int largest_distance;
struct PeerInfo *chosen;
- my_matching_bits = GNUNET_CRYPTO_hash_matching_bits(target, &my_identity.hashPubKey);
+ my_matching_bits =
+ GNUNET_CRYPTO_hash_matching_bits (target, &my_identity.hashPubKey);
total_distance = 0;
- if (strict_kademlia == GNUNET_YES)
+ /** If we are doing kademlia routing, or converge is binary (saves some cycles) */
+ if ((strict_kademlia == GNUNET_YES) ||
+ ((converge_option == DHT_CONVERGE_BINARY)
+ && (hops >= converge_modifier)))
{
largest_distance = 0;
chosen = NULL;
while ((pos != NULL) && (count < bucket_size))
{
/* If we are doing strict Kademlia routing, then checking the bloomfilter is basically cheating! */
- if (GNUNET_NO == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_NO ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom,
+ &pos->id.hashPubKey))
{
distance = inverse_distance (target, &pos->id.hashPubKey);
if (distance > largest_distance)
if ((largest_distance > 0) && (chosen != NULL))
{
- GNUNET_CONTAINER_bloomfilter_add(bloom, &chosen->id.hashPubKey);
+ GNUNET_CONTAINER_bloomfilter_add (bloom, &chosen->id.hashPubKey);
return chosen;
}
else
* Then go over all HIGHER buckets (matching less then we do)
*/
- closest_bucket = find_current_bucket(target);
- GNUNET_assert(closest_bucket >= lowest_bucket);
+ closest_bucket = find_current_bucket (target);
+ GNUNET_assert (closest_bucket >= lowest_bucket);
pos = k_buckets[closest_bucket].head;
count = 0;
- offset = 0; /* Need offset as well as count in case peers are bloomfiltered */
- memset(sorted_closest, 0, sizeof(sorted_closest));
+ offset = 0; /* Need offset as well as count in case peers are bloomfiltered */
+ memset (sorted_closest, 0, sizeof (sorted_closest));
/* Put any peers in the closest bucket in the sorting array */
while ((pos != NULL) && (count < bucket_size))
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
{
count++;
pos = pos->next;
- continue; /* Ignore bloomfiltered peers */
+ continue; /* Ignore bloomfiltered peers */
}
- pos->matching_bits = GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, target);
+ pos->matching_bits =
+ GNUNET_CRYPTO_hash_matching_bits (&pos->id.hashPubKey, target);
sorted_closest[offset] = pos;
pos = pos->next;
offset++;
}
/* Sort the peers in descending order */
- qsort(&sorted_closest[0], offset, sizeof(struct PeerInfo *), &compare_peers);
+ qsort (&sorted_closest[0], offset, sizeof (struct PeerInfo *),
+ &compare_peers);
/* Put the sorted closest peers into the possible bins first, in case of overflow. */
for (i = 0; i < offset; i++)
{
- temp_converge_distance = converge_distance(target, sorted_closest[i], hops);
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &sorted_closest[i]->id.hashPubKey))
- break; /* Ignore bloomfiltered peers */
- if ((temp_converge_distance <= ULLONG_MAX) && (total_distance + temp_converge_distance > total_distance)) /* Handle largest case and overflow */
+ temp_converge_distance =
+ converge_distance (target, sorted_closest[i], hops);
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom,
+ &sorted_closest[i]->id.
+ hashPubKey))
+ break; /* Ignore bloomfiltered peers */
+ if (total_distance + temp_converge_distance > total_distance) /* Handle largest case and overflow */
total_distance += temp_converge_distance;
else
- break; /* overflow case */
+ break; /* overflow case */
}
/* Now handle peers in lower buckets (matches same # of bits as target) */
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
{
count++;
pos = pos->next;
- continue; /* Ignore bloomfiltered peers */
+ continue; /* Ignore bloomfiltered peers */
}
- temp_converge_distance = converge_distance(target, pos, hops);
- if ((temp_converge_distance <= ULLONG_MAX) && (total_distance + temp_converge_distance > total_distance)) /* Handle largest case and overflow */
+ temp_converge_distance = converge_distance (target, pos, hops);
+ if (total_distance + temp_converge_distance > total_distance) /* Handle largest case and overflow */
total_distance += temp_converge_distance;
else
- break; /* overflow case */
+ break; /* overflow case */
pos = pos->next;
count++;
}
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
{
count++;
pos = pos->next;
- continue; /* Ignore bloomfiltered peers */
+ continue; /* Ignore bloomfiltered peers */
}
- temp_converge_distance = converge_distance(target, pos, hops);
- if ((temp_converge_distance <= ULLONG_MAX) && (total_distance + temp_converge_distance > total_distance)) /* Handle largest case and overflow */
+ temp_converge_distance = converge_distance (target, pos, hops);
+ if (total_distance + temp_converge_distance > total_distance) /* Handle largest case and overflow */
total_distance += temp_converge_distance;
else
- break; /* overflow case */
+ break; /* overflow case */
pos = pos->next;
count++;
}
}
- if (total_distance == 0) /* No peers to select from! */
+ if (total_distance == 0) /* No peers to select from! */
{
- increment_stats("# select_peer, total_distance == 0");
+ increment_stats ("# failed to select peer");
return NULL;
}
stats_total_distance = 0;
for (i = 0; i < offset; i++)
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &sorted_closest[i]->id.hashPubKey))
- break; /* Ignore bloomfiltered peers */
- temp_converge_distance = converge_distance(target, sorted_closest[i], hops);
- if ((temp_converge_distance <= ULLONG_MAX) && (stats_total_distance + temp_converge_distance > stats_total_distance)) /* Handle largest case and overflow */
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom,
+ &sorted_closest[i]->id.
+ hashPubKey))
+ break; /* Ignore bloomfiltered peers */
+ temp_converge_distance =
+ converge_distance (target, sorted_closest[i], hops);
+ if (stats_total_distance + temp_converge_distance > stats_total_distance) /* Handle largest case and overflow */
stats_total_distance += temp_converge_distance;
else
- break; /* overflow case */
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Choose %d matching bits (%d bits match me) (%.2f percent) converge ret %llu\n", GNUNET_CRYPTO_hash_matching_bits(&sorted_closest[i]->id.hashPubKey, target), GNUNET_CRYPTO_hash_matching_bits(&sorted_closest[i]->id.hashPubKey, &my_identity.hashPubKey), (temp_converge_distance / (double)total_distance) * 100, temp_converge_distance);
+ break; /* overflow case */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Choose %d matching bits (%d bits match me) (%.2f percent) converge ret %llu\n",
+ GNUNET_CRYPTO_hash_matching_bits (&sorted_closest[i]->id.
+ hashPubKey, target),
+ GNUNET_CRYPTO_hash_matching_bits (&sorted_closest[i]->id.
+ hashPubKey,
+ &my_identity.hashPubKey),
+ (temp_converge_distance / (double) total_distance) * 100,
+ temp_converge_distance);
}
/* Now handle peers in lower buckets (matches same # of bits as target) */
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
{
count++;
pos = pos->next;
- continue; /* Ignore bloomfiltered peers */
+ continue; /* Ignore bloomfiltered peers */
}
- temp_converge_distance = converge_distance(target, pos, hops);
- if ((temp_converge_distance <= ULLONG_MAX) && (stats_total_distance + temp_converge_distance > stats_total_distance)) /* Handle largest case and overflow */
+ temp_converge_distance = converge_distance (target, pos, hops);
+ if (stats_total_distance + temp_converge_distance > stats_total_distance) /* Handle largest case and overflow */
stats_total_distance += temp_converge_distance;
else
- break; /* overflow case */
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Choose %d matching bits (%d bits match me) (%.2f percent) converge ret %llu\n", GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, target), GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, &my_identity.hashPubKey), (temp_converge_distance / (double)total_distance) * 100, temp_converge_distance);
+ break; /* overflow case */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Choose %d matching bits (%d bits match me) (%.2f percent) converge ret %llu\n",
+ GNUNET_CRYPTO_hash_matching_bits (&pos->id.hashPubKey,
+ target),
+ GNUNET_CRYPTO_hash_matching_bits (&pos->id.hashPubKey,
+ &my_identity.
+ hashPubKey),
+ (temp_converge_distance / (double) total_distance) *
+ 100, temp_converge_distance);
pos = pos->next;
count++;
}
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
{
count++;
pos = pos->next;
- continue; /* Ignore bloomfiltered peers */
+ continue; /* Ignore bloomfiltered peers */
}
- temp_converge_distance = converge_distance(target, pos, hops);
- if ((temp_converge_distance <= ULLONG_MAX) && (stats_total_distance + temp_converge_distance > stats_total_distance)) /* Handle largest case and overflow */
+ temp_converge_distance = converge_distance (target, pos, hops);
+ if (stats_total_distance + temp_converge_distance > stats_total_distance) /* Handle largest case and overflow */
stats_total_distance += temp_converge_distance;
else
- break; /* overflow case */
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Choose %d matching bits (%d bits match me) (%.2f percent) converge ret %llu\n", GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, target), GNUNET_CRYPTO_hash_matching_bits(&pos->id.hashPubKey, &my_identity.hashPubKey), (temp_converge_distance / (double)total_distance) * 100, temp_converge_distance);
+ break; /* overflow case */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Choose %d matching bits (%d bits match me) (%.2f percent) converge ret %llu\n",
+ GNUNET_CRYPTO_hash_matching_bits (&pos->id.hashPubKey,
+ target),
+ GNUNET_CRYPTO_hash_matching_bits (&pos->id.hashPubKey,
+ &my_identity.
+ hashPubKey),
+ (temp_converge_distance / (double) total_distance) *
+ 100, temp_converge_distance);
pos = pos->next;
count++;
}
#endif
/* Now actually choose a peer */
- selected = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, total_distance);
+ selected =
+ GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, total_distance);
/* Go over closest sorted peers. */
for (i = 0; i < offset; i++)
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &sorted_closest[i]->id.hashPubKey))
- break; /* Ignore bloomfiltered peers */
- temp_converge_distance = converge_distance(target, sorted_closest[i], hops);
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom,
+ &sorted_closest[i]->id.
+ hashPubKey))
+ break; /* Ignore bloomfiltered peers */
+ temp_converge_distance =
+ converge_distance (target, sorted_closest[i], hops);
if (temp_converge_distance >= selected)
return sorted_closest[i];
else
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
{
count++;
pos = pos->next;
- continue; /* Ignore bloomfiltered peers */
+ continue; /* Ignore bloomfiltered peers */
}
- temp_converge_distance = converge_distance(target, pos, hops);
+ temp_converge_distance = converge_distance (target, pos, hops);
if (temp_converge_distance >= selected)
return pos;
else
count = 0;
while ((pos != NULL) && (count < bucket_size))
{
- if (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_bloomfilter_test (bloom, &pos->id.hashPubKey))
{
count++;
pos = pos->next;
- continue; /* Ignore bloomfiltered peers */
+ continue; /* Ignore bloomfiltered peers */
}
- temp_converge_distance = converge_distance(target, pos, hops);
+ temp_converge_distance = converge_distance (target, pos, hops);
if (temp_converge_distance >= selected)
return pos;
else
}
}
- increment_stats("# failed to select peer");
+ increment_stats ("# failed to select peer");
return NULL;
}
struct RecentRequest *req = cls;
static GNUNET_HashCode hash;
- GNUNET_assert(req != NULL);
- hash_from_uid(req->uid, &hash);
- GNUNET_assert (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove(recent.hashmap, &hash, req));
- GNUNET_CONTAINER_heap_remove_node(recent.minHeap, req->heap_node);
- GNUNET_CONTAINER_bloomfilter_free(req->bloom);
- GNUNET_free(req);
+ GNUNET_assert (req != NULL);
+ hash_from_uid (req->uid, &hash);
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove (recent.hashmap, &hash,
+ req));
+ GNUNET_CONTAINER_heap_remove_node (recent.minHeap, req->heap_node);
+ GNUNET_CONTAINER_bloomfilter_free (req->bloom);
+ GNUNET_free (req);
/*
- if ((tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN) && (0 == GNUNET_CONTAINER_multihashmap_size(recent.hashmap)) && (0 == GNUNET_CONTAINER_heap_get_size(recent.minHeap)))
- {
- GNUNET_CONTAINER_multihashmap_destroy(recent.hashmap);
- GNUNET_CONTAINER_heap_destroy(recent.minHeap);
- }
- */
-}
-
-
-/**
- * Task used to remove forwarding entries, either
- * after timeout, when full, or on shutdown.
- *
- * @param cls the entry to remove
- * @param tc context, reason, etc.
- */
-static void
-remove_forward_entry (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct DHTRouteSource *source_info = cls;
- struct DHTQueryRecord *record;
- source_info = GNUNET_CONTAINER_heap_remove_node(forward_list.minHeap, source_info->hnode);
- record = source_info->record;
- GNUNET_CONTAINER_DLL_remove(record->head, record->tail, source_info);
-
- if (record->head == NULL) /* No more entries in DLL */
- {
- GNUNET_assert(GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove(forward_list.hashmap, &record->key, record));
- GNUNET_free(record);
- }
- if (source_info->find_peers_responded != NULL)
- GNUNET_CONTAINER_bloomfilter_free(source_info->find_peers_responded);
- GNUNET_free(source_info);
+ if ((tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN) && (0 == GNUNET_CONTAINER_multihashmap_size(recent.hashmap)) && (0 == GNUNET_CONTAINER_heap_get_size(recent.minHeap)))
+ {
+ GNUNET_CONTAINER_multihashmap_destroy(recent.hashmap);
+ GNUNET_CONTAINER_heap_destroy(recent.minHeap);
+ }
+ */
}
/**
*
* @return GNUNET_YES if this response was cached, GNUNET_NO if not
*/
-static int cache_response(struct DHT_MessageContext *msg_ctx)
+static int
+cache_response (struct DHT_MessageContext *msg_ctx)
{
struct DHTQueryRecord *record;
struct DHTRouteSource *source_info;
struct GNUNET_TIME_Absolute now;
unsigned int current_size;
- current_size = GNUNET_CONTAINER_multihashmap_size(forward_list.hashmap);
+ current_size = GNUNET_CONTAINER_multihashmap_size (forward_list.hashmap);
+
+#if DELETE_WHEN_FULL
while (current_size >= MAX_OUTSTANDING_FORWARDS)
{
- source_info = GNUNET_CONTAINER_heap_remove_root(forward_list.minHeap);
- GNUNET_assert(source_info != NULL);
+ source_info = GNUNET_CONTAINER_heap_remove_root (forward_list.minHeap);
+ GNUNET_assert (source_info != NULL);
record = source_info->record;
- GNUNET_CONTAINER_DLL_remove(record->head, record->tail, source_info);
+ GNUNET_CONTAINER_DLL_remove (record->head, record->tail, source_info);
if (record->head == NULL) /* No more entries in DLL */
{
- GNUNET_assert(GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove(forward_list.hashmap, &record->key, record));
- GNUNET_free(record);
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove
+ (forward_list.hashmap, &record->key, record));
+ GNUNET_free (record);
}
if (source_info->delete_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel(source_info->delete_task);
+ {
+ GNUNET_SCHEDULER_cancel (source_info->delete_task);
+ source_info->delete_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (source_info->find_peers_responded != NULL)
- GNUNET_CONTAINER_bloomfilter_free(source_info->find_peers_responded);
- GNUNET_free(source_info);
- current_size = GNUNET_CONTAINER_multihashmap_size(forward_list.hashmap);
+ GNUNET_CONTAINER_bloomfilter_free (source_info->find_peers_responded);
+ GNUNET_free (source_info);
+ current_size =
+ GNUNET_CONTAINER_multihashmap_size (forward_list.hashmap);
}
- now = GNUNET_TIME_absolute_get();
- record = GNUNET_CONTAINER_multihashmap_get(forward_list.hashmap, &msg_ctx->key);
- if (record != NULL) /* Already know this request! */
+#endif
+ /** Non-local request and have too many outstanding forwards, discard! */
+ if ((current_size >= MAX_OUTSTANDING_FORWARDS) && (msg_ctx->client == NULL))
+ return GNUNET_NO;
+
+ now = GNUNET_TIME_absolute_get ();
+ record =
+ GNUNET_CONTAINER_multihashmap_get (forward_list.hashmap, &msg_ctx->key);
+ if (record != NULL) /* Already know this request! */
{
pos = record->head;
while (pos != NULL)
{
- if (0 == memcmp(msg_ctx->peer, &pos->source, sizeof(struct GNUNET_PeerIdentity)))
- break; /* Already have this peer in reply list! */
+ if (0 ==
+ memcmp (msg_ctx->peer, &pos->source,
+ sizeof (struct GNUNET_PeerIdentity)))
+ break; /* Already have this peer in reply list! */
pos = pos->next;
}
- if ((pos != NULL) && (pos->client == msg_ctx->client)) /* Seen this already */
+ if ((pos != NULL) && (pos->client == msg_ctx->client)) /* Seen this already */
{
- GNUNET_CONTAINER_heap_update_cost(forward_list.minHeap, pos->hnode, now.abs_value);
+ GNUNET_CONTAINER_heap_update_cost (forward_list.minHeap, pos->hnode,
+ now.abs_value);
return GNUNET_NO;
}
}
else
{
- record = GNUNET_malloc(sizeof (struct DHTQueryRecord));
- GNUNET_assert(GNUNET_OK == GNUNET_CONTAINER_multihashmap_put(forward_list.hashmap, &msg_ctx->key, record, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
- memcpy(&record->key, &msg_ctx->key, sizeof(GNUNET_HashCode));
+ record = GNUNET_malloc (sizeof (struct DHTQueryRecord));
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_put (forward_list.hashmap,
+ &msg_ctx->key, record,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+ memcpy (&record->key, &msg_ctx->key, sizeof (GNUNET_HashCode));
}
- source_info = GNUNET_malloc(sizeof(struct DHTRouteSource));
+ source_info = GNUNET_malloc (sizeof (struct DHTRouteSource));
source_info->record = record;
- source_info->delete_task = GNUNET_SCHEDULER_add_delayed(DHT_FORWARD_TIMEOUT, &remove_forward_entry, source_info);
- source_info->find_peers_responded = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
- memcpy(&source_info->source, msg_ctx->peer, sizeof(struct GNUNET_PeerIdentity));
- GNUNET_CONTAINER_DLL_insert_after(record->head, record->tail, record->tail, source_info);
- if (msg_ctx->client != NULL) /* For local request, set timeout so high it effectively never gets pushed out */
+ source_info->delete_task =
+ GNUNET_SCHEDULER_add_delayed (DHT_FORWARD_TIMEOUT, &remove_forward_entry,
+ source_info);
+ source_info->find_peers_responded =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
+ memcpy (&source_info->source, msg_ctx->peer,
+ sizeof (struct GNUNET_PeerIdentity));
+ GNUNET_CONTAINER_DLL_insert_after (record->head, record->tail, record->tail,
+ source_info);
+ if (msg_ctx->client != NULL) /* For local request, set timeout so high it effectively never gets pushed out */
{
source_info->client = msg_ctx->client;
- now = GNUNET_TIME_absolute_get_forever();
+ now = GNUNET_TIME_absolute_get_forever ();
}
- source_info->hnode = GNUNET_CONTAINER_heap_insert(forward_list.minHeap, source_info, now.abs_value);
+ source_info->hnode =
+ GNUNET_CONTAINER_heap_insert (forward_list.minHeap, source_info,
+ now.abs_value);
#if DEBUG_DHT > 1
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Created new forward source info for %s uid %llu\n", my_short_id,
- "DHT", GNUNET_h2s (&msg_ctx->key), msg_ctx->unique_id);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "`%s:%s': Created new forward source info for %s uid %llu\n",
+ my_short_id, "DHT", GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id);
#endif
return GNUNET_YES;
}
* peers.
*
* @param msg the message to be routed
- * @param message_context the context containing all pertinent information about the message
+ * @param msg_ctx the context containing all pertinent information about the message
*/
static void
-route_message(const struct GNUNET_MessageHeader *msg,
- struct DHT_MessageContext *message_context)
+route_message (const struct GNUNET_MessageHeader *msg,
+ struct DHT_MessageContext *msg_ctx)
{
int i;
struct PeerInfo *selected;
#if DEBUG_DHT_ROUTING > 1
struct PeerInfo *nearest;
#endif
+ unsigned int target_forward_count;
unsigned int forward_count;
struct RecentRequest *recent_req;
GNUNET_HashCode unique_hash;
#if DEBUG_DHT_ROUTING
if ((debug_routes_extended) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_route (NULL, message_context->unique_id, DHTLOG_ROUTE,
- message_context->hop_count, GNUNET_SYSERR,
- &my_identity, &message_context->key, message_context->peer,
- NULL);
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id, DHTLOG_ROUTE,
+ msg_ctx->hop_count, GNUNET_SYSERR,
+ &my_identity, &msg_ctx->key,
+ msg_ctx->peer, NULL);
}
#endif
- if (message_context->bloom != NULL)
- GNUNET_CONTAINER_bloomfilter_free(message_context->bloom);
+ if (msg_ctx->bloom != NULL)
+ {
+ GNUNET_CONTAINER_bloomfilter_free (msg_ctx->bloom);
+ msg_ctx->bloom = NULL;
+ }
return;
}
- increment_stats(STAT_ROUTES);
- /* Semantics of this call means we find whether we are the closest peer out of those already
- * routed to on this messages path.
- */
- forward_count = get_forward_count(message_context->hop_count, message_context->replication);
- GNUNET_asprintf(&stat_forward_count, "# forward counts of %d", forward_count);
- increment_stats(stat_forward_count);
- GNUNET_free(stat_forward_count);
- if (message_context->bloom == NULL)
- message_context->bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
-
- if ((stop_on_closest == GNUNET_YES) && (message_context->closest == GNUNET_YES) && (ntohs(msg->type) == GNUNET_MESSAGE_TYPE_DHT_PUT))
- forward_count = 0;
+ increment_stats (STAT_ROUTES);
+ target_forward_count =
+ get_forward_count (msg_ctx->hop_count, msg_ctx->replication);
+ GNUNET_asprintf (&stat_forward_count, "# forward counts of %d",
+ target_forward_count);
+ increment_stats (stat_forward_count);
+ GNUNET_free (stat_forward_count);
+ if (msg_ctx->bloom == NULL)
+ msg_ctx->bloom =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
+
+ if ((stop_on_closest == GNUNET_YES) && (msg_ctx->closest == GNUNET_YES)
+ && (ntohs (msg->type) == GNUNET_MESSAGE_TYPE_DHT_PUT))
+ target_forward_count = 0;
/**
* NOTICE: In Kademlia, a find peer request goes no further if the peer doesn't return
* testing driver) we will ignore this restriction for FIND_PEER messages so that
* routing tables still get constructed.
*/
- if ((GNUNET_YES == strict_kademlia) && (message_context->closest == GNUNET_YES) && (message_context->hop_count > 0) && (ntohs(msg->type) != GNUNET_MESSAGE_TYPE_DHT_FIND_PEER))
- forward_count = 0;
+ if ((GNUNET_YES == strict_kademlia) && (msg_ctx->closest == GNUNET_YES)
+ && (msg_ctx->hop_count > 0)
+ && (ntohs (msg->type) != GNUNET_MESSAGE_TYPE_DHT_FIND_PEER))
+ target_forward_count = 0;
-#if DEBUG_DHT_ROUTING
- if (forward_count == 0)
- ret = GNUNET_SYSERR;
- else
- ret = GNUNET_NO;
- if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ GNUNET_CONTAINER_bloomfilter_add (msg_ctx->bloom, &my_identity.hashPubKey);
+ hash_from_uid (msg_ctx->unique_id, &unique_hash);
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (recent.hashmap, &unique_hash))
{
- dhtlog_handle->insert_route (NULL, message_context->unique_id, DHTLOG_ROUTE,
- message_context->hop_count, ret,
- &my_identity, &message_context->key, message_context->peer,
- NULL);
- }
-#endif
-
-
- GNUNET_CONTAINER_bloomfilter_add (message_context->bloom, &my_identity.hashPubKey);
- hash_from_uid (message_context->unique_id, &unique_hash);
- if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains (recent.hashmap, &unique_hash))
- {
- recent_req = GNUNET_CONTAINER_multihashmap_get(recent.hashmap, &unique_hash);
- GNUNET_assert(recent_req != NULL);
- if (0 != memcmp(&recent_req->key, &message_context->key, sizeof(GNUNET_HashCode)))
- increment_stats(STAT_DUPLICATE_UID);
- else
- {
- increment_stats(STAT_RECENT_SEEN);
- GNUNET_CONTAINER_bloomfilter_or2(message_context->bloom, recent_req->bloom, DHT_BLOOM_SIZE);
- }
+ recent_req =
+ GNUNET_CONTAINER_multihashmap_get (recent.hashmap, &unique_hash);
+ GNUNET_assert (recent_req != NULL);
+ if (0 !=
+ memcmp (&recent_req->key, &msg_ctx->key, sizeof (GNUNET_HashCode)))
+ increment_stats (STAT_DUPLICATE_UID);
+ else
+ {
+ increment_stats (STAT_RECENT_SEEN);
+ GNUNET_CONTAINER_bloomfilter_or2 (msg_ctx->bloom, recent_req->bloom,
+ DHT_BLOOM_SIZE);
+ }
}
else
{
- recent_req = GNUNET_malloc(sizeof(struct RecentRequest));
- recent_req->uid = message_context->unique_id;
- memcpy(&recent_req->key, &message_context->key, sizeof(GNUNET_HashCode));
- recent_req->remove_task = GNUNET_SCHEDULER_add_delayed(DEFAULT_RECENT_REMOVAL, &remove_recent, recent_req);
- recent_req->heap_node = GNUNET_CONTAINER_heap_insert(recent.minHeap, recent_req, GNUNET_TIME_absolute_get().abs_value);
- recent_req->bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
- GNUNET_CONTAINER_multihashmap_put(recent.hashmap, &unique_hash, recent_req, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ recent_req = GNUNET_malloc (sizeof (struct RecentRequest));
+ recent_req->uid = msg_ctx->unique_id;
+ memcpy (&recent_req->key, &msg_ctx->key, sizeof (GNUNET_HashCode));
+ recent_req->remove_task =
+ GNUNET_SCHEDULER_add_delayed (DEFAULT_RECENT_REMOVAL, &remove_recent,
+ recent_req);
+ recent_req->heap_node =
+ GNUNET_CONTAINER_heap_insert (recent.minHeap, recent_req,
+ GNUNET_TIME_absolute_get ().abs_value);
+ recent_req->bloom =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
+ GNUNET_CONTAINER_multihashmap_put (recent.hashmap, &unique_hash,
+ recent_req,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
}
- if (GNUNET_CONTAINER_multihashmap_size(recent.hashmap) > DHT_MAX_RECENT)
+ if (GNUNET_CONTAINER_multihashmap_size (recent.hashmap) > DHT_MAX_RECENT)
{
- recent_req = GNUNET_CONTAINER_heap_peek(recent.minHeap);
- GNUNET_assert(recent_req != NULL);
- GNUNET_SCHEDULER_cancel(recent_req->remove_task);
- GNUNET_SCHEDULER_add_now(&remove_recent, recent_req);
+ recent_req = GNUNET_CONTAINER_heap_peek (recent.minHeap);
+ GNUNET_assert (recent_req != NULL);
+ GNUNET_SCHEDULER_cancel (recent_req->remove_task);
+ GNUNET_SCHEDULER_add_now (&remove_recent, recent_req);
}
- for (i = 0; i < forward_count; i++)
+ forward_count = 0;
+ for (i = 0; i < target_forward_count; i++)
{
- selected = select_peer(&message_context->key, message_context->bloom, message_context->hop_count);
+ selected =
+ select_peer (&msg_ctx->key, msg_ctx->bloom, msg_ctx->hop_count);
if (selected != NULL)
{
- if (GNUNET_CRYPTO_hash_matching_bits(&selected->id.hashPubKey, &message_context->key) >= GNUNET_CRYPTO_hash_matching_bits(&my_identity.hashPubKey, &message_context->key))
- GNUNET_asprintf(&temp_stat_str, "# requests routed to close(r) peer hop %u", message_context->hop_count);
+ forward_count++;
+ if (GNUNET_CRYPTO_hash_matching_bits
+ (&selected->id.hashPubKey,
+ &msg_ctx->key) >=
+ GNUNET_CRYPTO_hash_matching_bits (&my_identity.hashPubKey,
+ &msg_ctx->key))
+ GNUNET_asprintf (&temp_stat_str,
+ "# requests routed to close(r) peer hop %u",
+ msg_ctx->hop_count);
else
- GNUNET_asprintf(&temp_stat_str, "# requests routed to less close peer hop %u", message_context->hop_count);
+ GNUNET_asprintf (&temp_stat_str,
+ "# requests routed to less close peer hop %u",
+ msg_ctx->hop_count);
if (temp_stat_str != NULL)
{
- increment_stats(temp_stat_str);
- GNUNET_free(temp_stat_str);
+ increment_stats (temp_stat_str);
+ GNUNET_free (temp_stat_str);
}
- GNUNET_CONTAINER_bloomfilter_add(message_context->bloom, &selected->id.hashPubKey);
+ GNUNET_CONTAINER_bloomfilter_add (msg_ctx->bloom,
+ &selected->id.hashPubKey);
#if DEBUG_DHT_ROUTING > 1
- nearest = find_closest_peer(&message_context->key);
- nearest_buf = GNUNET_strdup(GNUNET_i2s(&nearest->id));
+ nearest = find_closest_peer (&msg_ctx->key);
+ nearest_buf = GNUNET_strdup (GNUNET_i2s (&nearest->id));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Forwarding request key %s uid %llu to peer %s (closest %s, bits %d, distance %u)\n", my_short_id,
- "DHT", GNUNET_h2s (&message_context->key), message_context->unique_id, GNUNET_i2s(&selected->id), nearest_buf, GNUNET_CRYPTO_hash_matching_bits(&nearest->id.hashPubKey, message_context->key), distance(&nearest->id.hashPubKey, message_context->key));
- GNUNET_free(nearest_buf);
+ "`%s:%s': Forwarding request key %s uid %llu to peer %s (closest %s, bits %d, distance %u)\n",
+ my_short_id, "DHT", GNUNET_h2s (&msg_ctx->key),
+ msg_ctx->unique_id, GNUNET_i2s (&selected->id),
+ nearest_buf,
+ GNUNET_CRYPTO_hash_matching_bits (&nearest->id.
+ hashPubKey,
+ msg_ctx->key),
+ distance (&nearest->id.hashPubKey, msg_ctx->key));
+ GNUNET_free (nearest_buf);
#endif
#if DEBUG_DHT_ROUTING
if ((debug_routes_extended) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_route (NULL, message_context->unique_id, DHTLOG_ROUTE,
- message_context->hop_count, GNUNET_NO,
- &my_identity, &message_context->key, message_context->peer,
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id,
+ DHTLOG_ROUTE, msg_ctx->hop_count,
+ GNUNET_NO, &my_identity,
+ &msg_ctx->key, msg_ctx->peer,
&selected->id);
}
#endif
- forward_message(msg, selected, message_context);
+ forward_message (msg, selected, msg_ctx);
}
}
- if (message_context->bloom != NULL)
+ if (msg_ctx->bloom != NULL)
{
- GNUNET_CONTAINER_bloomfilter_or2(recent_req->bloom, message_context->bloom, DHT_BLOOM_SIZE);
- GNUNET_CONTAINER_bloomfilter_free(message_context->bloom);
+ GNUNET_CONTAINER_bloomfilter_or2 (recent_req->bloom, msg_ctx->bloom,
+ DHT_BLOOM_SIZE);
+ GNUNET_CONTAINER_bloomfilter_free (msg_ctx->bloom);
+ msg_ctx->bloom = NULL;
}
+
+#if DEBUG_DHT_ROUTING
+ if (forward_count == 0)
+ ret = GNUNET_SYSERR;
+ else
+ ret = GNUNET_NO;
+
+ if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ {
+ dhtlog_handle->insert_route (NULL, msg_ctx->unique_id, DHTLOG_ROUTE,
+ msg_ctx->hop_count, ret,
+ &my_identity, &msg_ctx->key, msg_ctx->peer,
+ NULL);
+ }
+#endif
}
* peers.
*
* @param msg the message to be routed
- * @param message_context the context containing all pertinent information about the message
+ * @param msg_ctx the context containing all pertinent information about the message
*/
static void
-demultiplex_message(const struct GNUNET_MessageHeader *msg,
- struct DHT_MessageContext *message_context)
+demultiplex_message (const struct GNUNET_MessageHeader *msg,
+ struct DHT_MessageContext *msg_ctx)
{
- message_context->closest = am_closest_peer(&message_context->key, NULL);
- switch (ntohs(msg->type))
+ /* FIXME: Should we use closest excluding those we won't route to (the bloomfilter problem)? */
+ msg_ctx->closest = am_closest_peer (&msg_ctx->key, msg_ctx->bloom);
+ switch (ntohs (msg->type))
{
- case GNUNET_MESSAGE_TYPE_DHT_GET: /* Add to hashmap of requests seen, search for data (always) */
- cache_response (message_context);
- handle_dht_get (msg, message_context);
+ case GNUNET_MESSAGE_TYPE_DHT_GET: /* Add to hashmap of requests seen, search for data (always) */
+ cache_response (msg_ctx);
+ handle_dht_get (msg, msg_ctx);
break;
- case GNUNET_MESSAGE_TYPE_DHT_PUT: /* Check if closest, if so insert data. */
- increment_stats(STAT_PUTS);
- handle_dht_put (msg, message_context);
+ case GNUNET_MESSAGE_TYPE_DHT_PUT: /* Check if closest, if so insert data. */
+ increment_stats (STAT_PUTS);
+ handle_dht_put (msg, msg_ctx);
break;
- case GNUNET_MESSAGE_TYPE_DHT_FIND_PEER: /* Check if closest and not started by us, check options, add to requests seen */
- increment_stats(STAT_FIND_PEER);
- if (((message_context->hop_count > 0) && (0 != memcmp(message_context->peer, &my_identity, sizeof(struct GNUNET_PeerIdentity)))) || (message_context->client != NULL))
- {
- cache_response (message_context);
- if ((message_context->closest == GNUNET_YES) || (message_context->msg_options == GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE))
- handle_dht_find_peer (msg, message_context);
- }
+ case GNUNET_MESSAGE_TYPE_DHT_FIND_PEER: /* Check if closest and not started by us, check options, add to requests seen */
+ increment_stats (STAT_FIND_PEER);
+ if (((msg_ctx->hop_count > 0)
+ && (0 !=
+ memcmp (msg_ctx->peer, &my_identity,
+ sizeof (struct GNUNET_PeerIdentity))))
+ || (msg_ctx->client != NULL))
+ {
+ cache_response (msg_ctx);
+ if ((msg_ctx->closest == GNUNET_YES)
+ || (msg_ctx->msg_options ==
+ GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE))
+ handle_dht_find_peer (msg, msg_ctx);
+ }
else
- route_message (msg, message_context);
+ route_message (msg, msg_ctx);
#if DEBUG_DHT_ROUTING
- if (message_context->hop_count == 0) /* Locally initiated request */
+ if (msg_ctx->hop_count == 0) /* Locally initiated request */
{
if ((debug_routes) && (dhtlog_handle != NULL))
{
- dhtlog_handle->insert_dhtkey(NULL, &message_context->key);
- dhtlog_handle->insert_query (NULL, message_context->unique_id, DHTLOG_FIND_PEER,
- message_context->hop_count, GNUNET_NO, &my_identity,
- &message_context->key);
+ dhtlog_handle->insert_dhtkey (NULL, &msg_ctx->key);
+ dhtlog_handle->insert_query (NULL, msg_ctx->unique_id,
+ DHTLOG_FIND_PEER,
+ msg_ctx->hop_count, GNUNET_NO,
+ &my_identity, &msg_ctx->key);
}
}
#endif
break;
default:
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "`%s': Message type (%d) not handled, forwarding anyway!\n", "DHT", ntohs(msg->type));
- route_message (msg, message_context);
+ "`%s': Message type (%d) not handled, forwarding anyway!\n",
+ "DHT", ntohs (msg->type));
+ route_message (msg, msg_ctx);
}
}
struct GNUNET_DHT_PutMessage *put_msg;
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Received `%s' response from datacache\n", my_short_id, "DHT", "GET");
+ "`%s:%s': Received `%s' response from datacache\n", my_short_id,
+ "DHT", "GET");
#endif
- new_msg_ctx = GNUNET_malloc(sizeof(struct DHT_MessageContext));
+ new_msg_ctx = GNUNET_malloc (sizeof (struct DHT_MessageContext));
- put_msg =
- GNUNET_malloc (sizeof (struct GNUNET_DHT_PutMessage) + size);
+ put_msg = GNUNET_malloc (sizeof (struct GNUNET_DHT_PutMessage) + size);
put_msg->header.type = htons (GNUNET_MESSAGE_TYPE_DHT_PUT);
put_msg->header.size = htons (sizeof (struct GNUNET_DHT_PutMessage) + size);
- put_msg->expiration = GNUNET_TIME_absolute_hton(exp);
+ put_msg->expiration = GNUNET_TIME_absolute_hton (exp);
put_msg->type = htons (type);
memcpy (&put_msg[1], data, size);
- new_msg_ctx->unique_id = GNUNET_ntohll (GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_WEAK, (uint64_t)-1));
- new_msg_ctx->replication = ntohl (DHT_DEFAULT_PUT_REPLICATION);
+ new_msg_ctx->unique_id =
+ GNUNET_ntohll (GNUNET_CRYPTO_random_u64
+ (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX));
+ new_msg_ctx->replication = ntohl (DEFAULT_PUT_REPLICATION);
new_msg_ctx->msg_options = ntohl (0);
- new_msg_ctx->network_size = estimate_diameter();
+ new_msg_ctx->network_size = estimate_diameter ();
new_msg_ctx->peer = &my_identity;
- new_msg_ctx->bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
+ new_msg_ctx->bloom =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
new_msg_ctx->hop_count = 0;
new_msg_ctx->importance = DHT_DEFAULT_P2P_IMPORTANCE;
new_msg_ctx->timeout = DHT_DEFAULT_P2P_TIMEOUT;
- increment_stats(STAT_PUT_START);
- demultiplex_message(&put_msg->header, new_msg_ctx);
+ increment_stats (STAT_PUT_START);
+ demultiplex_message (&put_msg->header, new_msg_ctx);
- GNUNET_free(new_msg_ctx);
+ GNUNET_free (new_msg_ctx);
GNUNET_free (put_msg);
return GNUNET_OK;
}
* @param tc runtime context for this task
*/
static void
-republish_content(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+republish_content (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct RepublishContext *put_context = cls;
if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
{
- GNUNET_free(put_context);
+ GNUNET_free (put_context);
return;
}
- GNUNET_assert (datacache != NULL); /* If we have no datacache we never should have scheduled this! */
- results = GNUNET_DATACACHE_get(datacache, &put_context->key, put_context->type, &republish_content_iterator, NULL);
- if (results == 0) /* Data must have expired */
- GNUNET_free(put_context);
- else /* Reschedule task for next time period */
- GNUNET_SCHEDULER_add_delayed(dht_republish_frequency, &republish_content, put_context);
+ GNUNET_assert (datacache != NULL); /* If we have no datacache we never should have scheduled this! */
+ results =
+ GNUNET_DATACACHE_get (datacache, &put_context->key, put_context->type,
+ &republish_content_iterator, NULL);
+ if (results == 0) /* Data must have expired */
+ GNUNET_free (put_context);
+ else /* Reschedule task for next time period */
+ GNUNET_SCHEDULER_add_delayed (dht_republish_frequency, &republish_content,
+ put_context);
}
* iterate,
* GNUNET_NO if not.
*/
-static int find_client_records (void *cls,
- const GNUNET_HashCode * key, void *value)
+static int
+find_client_records (void *cls, const GNUNET_HashCode * key, void *value)
{
struct ClientList *client = cls;
struct DHTQueryRecord *record = value;
}
if (pos != NULL)
{
- GNUNET_CONTAINER_DLL_remove(record->head, record->tail, pos);
- GNUNET_CONTAINER_heap_remove_node(forward_list.minHeap, pos->hnode);
+ GNUNET_CONTAINER_DLL_remove (record->head, record->tail, pos);
+ GNUNET_CONTAINER_heap_remove_node (forward_list.minHeap, pos->hnode);
if (pos->delete_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel(pos->delete_task);
-
+ {
+ GNUNET_SCHEDULER_cancel (pos->delete_task);
+ pos->delete_task = GNUNET_SCHEDULER_NO_TASK;
+ }
if (pos->find_peers_responded != NULL)
- GNUNET_CONTAINER_bloomfilter_free(pos->find_peers_responded);
- GNUNET_free(pos);
+ GNUNET_CONTAINER_bloomfilter_free (pos->find_peers_responded);
+ GNUNET_free (pos);
}
- if (record->head == NULL) /* No more entries in DLL */
+ if (record->head == NULL) /* No more entries in DLL */
{
- GNUNET_assert(GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove(forward_list.hashmap, &record->key, record));
- GNUNET_free(record);
+ GNUNET_assert (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_remove
+ (forward_list.hashmap, &record->key, record));
+ GNUNET_free (record);
}
return GNUNET_YES;
}
* @param client identification of the client; NULL
* for the last call when the server is destroyed
*/
-static void handle_client_disconnect (void *cls,
- struct GNUNET_SERVER_Client* client)
+static void
+handle_client_disconnect (void *cls, struct GNUNET_SERVER_Client *client)
{
struct ClientList *pos = client_list;
struct ClientList *prev;
if (found != NULL)
{
- while(NULL != (reply = found->pending_head))
+ if (found->transmit_handle != NULL)
+ GNUNET_CONNECTION_notify_transmit_ready_cancel
+ (found->transmit_handle);
+
+ while (NULL != (reply = found->pending_head))
{
- GNUNET_CONTAINER_DLL_remove(found->pending_head, found->pending_tail, reply);
- GNUNET_free(reply);
+ GNUNET_CONTAINER_DLL_remove (found->pending_head,
+ found->pending_tail, reply);
+ GNUNET_free (reply);
}
- GNUNET_CONTAINER_multihashmap_iterate(forward_list.hashmap, &find_client_records, found);
- GNUNET_free(found);
+ GNUNET_CONTAINER_multihashmap_iterate (forward_list.hashmap,
+ &find_client_records, found);
+ GNUNET_free (found);
}
}
malicious_put_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
static struct GNUNET_DHT_PutMessage put_message;
- static struct DHT_MessageContext message_context;
+ static struct DHT_MessageContext msg_ctx;
static GNUNET_HashCode key;
uint32_t random_key;
if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
return;
- put_message.header.size = htons(sizeof(struct GNUNET_DHT_PutMessage));
- put_message.header.type = htons(GNUNET_MESSAGE_TYPE_DHT_PUT);
- put_message.type = htonl(GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE);
- put_message.expiration = GNUNET_TIME_absolute_hton(GNUNET_TIME_absolute_get_forever());
- memset(&message_context, 0, sizeof(struct DHT_MessageContext));
- random_key = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, (uint32_t)-1);
- GNUNET_CRYPTO_hash(&random_key, sizeof(uint32_t), &key);
- memcpy(&message_context.key, &key, sizeof(GNUNET_HashCode));
- message_context.unique_id = GNUNET_ntohll (GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_WEAK, (uint64_t)-1));
- message_context.replication = ntohl (DHT_DEFAULT_FIND_PEER_REPLICATION);
- message_context.msg_options = ntohl (0);
- message_context.network_size = estimate_diameter();
- message_context.peer = &my_identity;
- message_context.importance = DHT_DEFAULT_P2P_IMPORTANCE; /* Make result routing a higher priority */
- message_context.timeout = DHT_DEFAULT_P2P_TIMEOUT;
+ put_message.header.size = htons (sizeof (struct GNUNET_DHT_PutMessage));
+ put_message.header.type = htons (GNUNET_MESSAGE_TYPE_DHT_PUT);
+ put_message.type = htonl (GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE);
+ put_message.expiration =
+ GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get_forever ());
+ memset (&msg_ctx, 0, sizeof (struct DHT_MessageContext));
+ random_key =
+ GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, UINT32_MAX);
+ GNUNET_CRYPTO_hash (&random_key, sizeof (uint32_t), &key);
+ memcpy (&msg_ctx.key, &key, sizeof (GNUNET_HashCode));
+ msg_ctx.unique_id =
+ GNUNET_ntohll (GNUNET_CRYPTO_random_u64
+ (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX));
+ msg_ctx.replication = ntohl (DHT_DEFAULT_FIND_PEER_REPLICATION);
+ msg_ctx.msg_options = ntohl (0);
+ msg_ctx.network_size = estimate_diameter ();
+ msg_ctx.peer = &my_identity;
+ msg_ctx.importance = DHT_DEFAULT_P2P_IMPORTANCE;
+ msg_ctx.timeout = DHT_DEFAULT_P2P_TIMEOUT;
#if DEBUG_DHT_ROUTING
if (dhtlog_handle != NULL)
- dhtlog_handle->insert_dhtkey(NULL, &key);
+ dhtlog_handle->insert_dhtkey (NULL, &key);
#endif
- increment_stats(STAT_PUT_START);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s Sending malicious PUT message with hash %s\n", my_short_id, "DHT", GNUNET_h2s(&key));
- demultiplex_message(&put_message.header, &message_context);
- GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, malicious_put_frequency), &malicious_put_task, NULL);
+ increment_stats (STAT_PUT_START);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Sending malicious PUT message with hash %s\n",
+ my_short_id, "DHT", GNUNET_h2s (&key));
+ demultiplex_message (&put_message.header, &msg_ctx);
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_MILLISECONDS,
+ malicious_put_frequency),
+ &malicious_put_task, NULL);
}
malicious_get_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
static struct GNUNET_DHT_GetMessage get_message;
- struct DHT_MessageContext message_context;
+ struct DHT_MessageContext msg_ctx;
static GNUNET_HashCode key;
uint32_t random_key;
if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
return;
- get_message.header.size = htons(sizeof(struct GNUNET_DHT_GetMessage));
- get_message.header.type = htons(GNUNET_MESSAGE_TYPE_DHT_GET);
- get_message.type = htonl(GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE);
- memset(&message_context, 0, sizeof(struct DHT_MessageContext));
- random_key = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, (uint32_t)-1);
- GNUNET_CRYPTO_hash(&random_key, sizeof(uint32_t), &key);
- memcpy(&message_context.key, &key, sizeof(GNUNET_HashCode));
- message_context.unique_id = GNUNET_ntohll (GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_WEAK, (uint64_t)-1));
- message_context.replication = ntohl (DHT_DEFAULT_FIND_PEER_REPLICATION);
- message_context.msg_options = ntohl (0);
- message_context.network_size = estimate_diameter();
- message_context.peer = &my_identity;
- message_context.importance = DHT_DEFAULT_P2P_IMPORTANCE; /* Make result routing a higher priority */
- message_context.timeout = DHT_DEFAULT_P2P_TIMEOUT;
+ get_message.header.size = htons (sizeof (struct GNUNET_DHT_GetMessage));
+ get_message.header.type = htons (GNUNET_MESSAGE_TYPE_DHT_GET);
+ get_message.type = htonl (GNUNET_BLOCK_DHT_MALICIOUS_MESSAGE_TYPE);
+ memset (&msg_ctx, 0, sizeof (struct DHT_MessageContext));
+ random_key =
+ GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, UINT32_MAX);
+ GNUNET_CRYPTO_hash (&random_key, sizeof (uint32_t), &key);
+ memcpy (&msg_ctx.key, &key, sizeof (GNUNET_HashCode));
+ msg_ctx.unique_id =
+ GNUNET_ntohll (GNUNET_CRYPTO_random_u64
+ (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX));
+ msg_ctx.replication = ntohl (DHT_DEFAULT_FIND_PEER_REPLICATION);
+ msg_ctx.msg_options = ntohl (0);
+ msg_ctx.network_size = estimate_diameter ();
+ msg_ctx.peer = &my_identity;
+ msg_ctx.importance = DHT_DEFAULT_P2P_IMPORTANCE;
+ msg_ctx.timeout = DHT_DEFAULT_P2P_TIMEOUT;
#if DEBUG_DHT_ROUTING
if (dhtlog_handle != NULL)
- dhtlog_handle->insert_dhtkey(NULL, &key);
+ dhtlog_handle->insert_dhtkey (NULL, &key);
#endif
- increment_stats(STAT_GET_START);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s Sending malicious GET message with hash %s\n", my_short_id, "DHT", GNUNET_h2s(&key));
- demultiplex_message (&get_message.header, &message_context);
- GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, malicious_get_frequency), &malicious_get_task, NULL);
+ increment_stats (STAT_GET_START);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Sending malicious GET message with hash %s\n",
+ my_short_id, "DHT", GNUNET_h2s (&key));
+ demultiplex_message (&get_message.header, &msg_ctx);
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+ (GNUNET_TIME_UNIT_MILLISECONDS,
+ malicious_get_frequency),
+ &malicious_get_task, NULL);
}
#endif
* GNUNET_NO if not.
*/
static int
-add_known_to_bloom (void *cls,
- const GNUNET_HashCode * key,
- void *value)
+add_known_to_bloom (void *cls, const GNUNET_HashCode * key, void *value)
{
struct GNUNET_CONTAINER_BloomFilter *bloom = cls;
GNUNET_CONTAINER_bloomfilter_add (bloom, key);
* @param tc the context under which the task is running
*/
static void
-send_find_peer_message (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+send_find_peer_message (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_DHT_FindPeerMessage *find_peer_msg;
- struct DHT_MessageContext message_context;
+ struct DHT_MessageContext msg_ctx;
struct GNUNET_TIME_Relative next_send_time;
struct GNUNET_CONTAINER_BloomFilter *temp_bloom;
#if COUNT_INTERVAL
if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
return;
- if ((newly_found_peers > bucket_size) && (GNUNET_YES == do_find_peer)) /* If we are finding peers already, no need to send out our request right now! */
+ if ((newly_found_peers > bucket_size) && (GNUNET_YES == do_find_peer)) /* If we are finding peers already, no need to send out our request right now! */
{
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Have %d newly found peers since last find peer message sent!\n", newly_found_peers);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Have %d newly found peers since last find peer message sent!\n",
+ newly_found_peers);
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
&send_find_peer_message, NULL);
newly_found_peers = 0;
return;
}
-
- increment_stats(STAT_FIND_PEER_START);
+
+ increment_stats (STAT_FIND_PEER_START);
#if COUNT_INTERVAL
- end = GNUNET_TIME_absolute_get();
- time_diff = GNUNET_TIME_absolute_get_difference(find_peer_context.start, end);
+ end = GNUNET_TIME_absolute_get ();
+ time_diff =
+ GNUNET_TIME_absolute_get_difference (find_peer_context.start, end);
if (time_diff.abs_value > FIND_PEER_CALC_INTERVAL.abs_value)
{
#endif
#if FIND_PEER_WITH_HELLO
- find_peer_msg = GNUNET_malloc(sizeof(struct GNUNET_DHT_FindPeerMessage) + GNUNET_HELLO_size((struct GNUNET_HELLO_Message *)my_hello));
- find_peer_msg->header.size = htons(sizeof(struct GNUNET_DHT_FindPeerMessage) + GNUNET_HELLO_size((struct GNUNET_HELLO_Message *)my_hello));
- memcpy(&find_peer_msg[1], my_hello, GNUNET_HELLO_size((struct GNUNET_HELLO_Message *)my_hello));
+ find_peer_msg =
+ GNUNET_malloc (sizeof (struct GNUNET_DHT_FindPeerMessage) +
+ GNUNET_HELLO_size ((struct GNUNET_HELLO_Message *)
+ my_hello));
+ find_peer_msg->header.size =
+ htons (sizeof (struct GNUNET_DHT_FindPeerMessage) +
+ GNUNET_HELLO_size ((struct GNUNET_HELLO_Message *) my_hello));
+ memcpy (&find_peer_msg[1], my_hello,
+ GNUNET_HELLO_size ((struct GNUNET_HELLO_Message *) my_hello));
#else
- find_peer_msg = GNUNET_malloc(sizeof(struct GNUNET_DHT_FindPeerMessage));
- find_peer_msg->header.size = htons(sizeof(struct GNUNET_DHT_FindPeerMessage));
+ find_peer_msg = GNUNET_malloc (sizeof (struct GNUNET_DHT_FindPeerMessage));
+ find_peer_msg->header.size =
+ htons (sizeof (struct GNUNET_DHT_FindPeerMessage));
#endif
- find_peer_msg->header.type = htons(GNUNET_MESSAGE_TYPE_DHT_FIND_PEER);
- temp_bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
- GNUNET_CONTAINER_multihashmap_iterate(all_known_peers, &add_known_to_bloom, temp_bloom);
- GNUNET_assert(GNUNET_OK == GNUNET_CONTAINER_bloomfilter_get_raw_data(temp_bloom, find_peer_msg->bloomfilter, DHT_BLOOM_SIZE));
- memset(&message_context, 0, sizeof(struct DHT_MessageContext));
- memcpy(&message_context.key, &my_identity.hashPubKey, sizeof(GNUNET_HashCode));
- message_context.unique_id = GNUNET_ntohll (GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_STRONG, (uint64_t)-1));
- message_context.replication = DHT_DEFAULT_FIND_PEER_REPLICATION;
- message_context.msg_options = DHT_DEFAULT_FIND_PEER_OPTIONS;
- message_context.network_size = estimate_diameter();
- message_context.peer = &my_identity;
- message_context.importance = DHT_DEFAULT_FIND_PEER_IMPORTANCE;
- message_context.timeout = DHT_DEFAULT_FIND_PEER_TIMEOUT;
-
- demultiplex_message(&find_peer_msg->header, &message_context);
- GNUNET_free(find_peer_msg);
+ find_peer_msg->header.type = htons (GNUNET_MESSAGE_TYPE_DHT_FIND_PEER);
+ temp_bloom =
+ GNUNET_CONTAINER_bloomfilter_init (NULL, DHT_BLOOM_SIZE, DHT_BLOOM_K);
+ GNUNET_CONTAINER_multihashmap_iterate (all_known_peers, &add_known_to_bloom,
+ temp_bloom);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_CONTAINER_bloomfilter_get_raw_data (temp_bloom,
+ find_peer_msg->
+ bloomfilter,
+ DHT_BLOOM_SIZE));
+ GNUNET_CONTAINER_bloomfilter_free (temp_bloom);
+ memset (&msg_ctx, 0, sizeof (struct DHT_MessageContext));
+ memcpy (&msg_ctx.key, &my_identity.hashPubKey, sizeof (GNUNET_HashCode));
+ msg_ctx.unique_id =
+ GNUNET_ntohll (GNUNET_CRYPTO_random_u64
+ (GNUNET_CRYPTO_QUALITY_STRONG, UINT64_MAX));
+ msg_ctx.replication = DHT_DEFAULT_FIND_PEER_REPLICATION;
+ msg_ctx.msg_options = DHT_DEFAULT_FIND_PEER_OPTIONS;
+ msg_ctx.network_size = estimate_diameter ();
+ msg_ctx.peer = &my_identity;
+ msg_ctx.importance = DHT_DEFAULT_FIND_PEER_IMPORTANCE;
+ msg_ctx.timeout = DHT_DEFAULT_FIND_PEER_TIMEOUT;
+
+ demultiplex_message (&find_peer_msg->header, &msg_ctx);
+ GNUNET_free (find_peer_msg);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Sent `%s' request to some (?) peers\n", my_short_id, "DHT",
- "FIND PEER");
+ "`%s:%s': Sent `%s' request to some (?) peers\n", my_short_id,
+ "DHT", "FIND PEER");
if (newly_found_peers < bucket_size)
{
- next_send_time.rel_value = (DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value / 2) +
- GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_STRONG,
- DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value / 2);
+ next_send_time.rel_value =
+ (DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value / 2) +
+ GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_STRONG,
+ DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value /
+ 2);
}
else
{
next_send_time.rel_value = DHT_MINIMUM_FIND_PEER_INTERVAL.rel_value +
- GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_STRONG,
- DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value - DHT_MINIMUM_FIND_PEER_INTERVAL.rel_value);
+ GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_STRONG,
+ DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value -
+ DHT_MINIMUM_FIND_PEER_INTERVAL.rel_value);
}
GNUNET_assert (next_send_time.rel_value != 0);
find_peer_context.count = 0;
newly_found_peers = 0;
- find_peer_context.start = GNUNET_TIME_absolute_get();
+ find_peer_context.start = GNUNET_TIME_absolute_get ();
if (GNUNET_YES == do_find_peer)
- {
- GNUNET_SCHEDULER_add_delayed (next_send_time,
- &send_find_peer_message, NULL);
- }
+ {
+ GNUNET_SCHEDULER_add_delayed (next_send_time,
+ &send_find_peer_message, NULL);
+ }
}
/**
* @param message the actual message received
*/
static void
-handle_dht_local_route_request (void *cls, struct GNUNET_SERVER_Client *client,
+handle_dht_local_route_request (void *cls,
+ struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
- const struct GNUNET_DHT_RouteMessage *dht_msg = (const struct GNUNET_DHT_RouteMessage *) message;
+ const struct GNUNET_DHT_RouteMessage *dht_msg =
+ (const struct GNUNET_DHT_RouteMessage *) message;
const struct GNUNET_MessageHeader *enc_msg;
- struct DHT_MessageContext message_context;
+ struct DHT_MessageContext msg_ctx;
enc_msg = (const struct GNUNET_MessageHeader *) &dht_msg[1];
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"`%s:%s': Received `%s' request from client, message type %d, key %s, uid %llu\n",
- my_short_id,
- "DHT",
- "GENERIC",
- ntohs (message->type),
- GNUNET_h2s (&dht_msg->key),
- GNUNET_ntohll (dht_msg->unique_id));
+ my_short_id,
+ "DHT",
+ "GENERIC",
+ ntohs (message->type),
+ GNUNET_h2s (&dht_msg->key), GNUNET_ntohll (dht_msg->unique_id));
#endif
#if DEBUG_DHT_ROUTING
if (dhtlog_handle != NULL)
dhtlog_handle->insert_dhtkey (NULL, &dht_msg->key);
#endif
- memset(&message_context, 0, sizeof(struct DHT_MessageContext));
- message_context.client = find_active_client (client);
- memcpy(&message_context.key, &dht_msg->key, sizeof(GNUNET_HashCode));
- message_context.unique_id = GNUNET_ntohll (dht_msg->unique_id);
- message_context.replication = ntohl (dht_msg->desired_replication_level);
- message_context.msg_options = ntohl (dht_msg->options);
- message_context.network_size = estimate_diameter();
- message_context.peer = &my_identity;
- message_context.importance = DHT_DEFAULT_P2P_IMPORTANCE * 4; /* Make local routing a higher priority */
- message_context.timeout = DHT_DEFAULT_P2P_TIMEOUT;
- if (ntohs(enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_GET)
- increment_stats(STAT_GET_START);
- else if (ntohs(enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_PUT)
- increment_stats(STAT_PUT_START);
- else if (ntohs(enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_FIND_PEER)
- increment_stats(STAT_FIND_PEER_START);
-
- demultiplex_message(enc_msg, &message_context);
+ memset (&msg_ctx, 0, sizeof (struct DHT_MessageContext));
+ msg_ctx.client = find_active_client (client);
+ memcpy (&msg_ctx.key, &dht_msg->key, sizeof (GNUNET_HashCode));
+ msg_ctx.unique_id = GNUNET_ntohll (dht_msg->unique_id);
+ msg_ctx.replication = ntohl (dht_msg->desired_replication_level);
+ msg_ctx.msg_options = ntohl (dht_msg->options);
+ msg_ctx.network_size = estimate_diameter ();
+ msg_ctx.peer = &my_identity;
+ msg_ctx.importance = DHT_DEFAULT_P2P_IMPORTANCE + 4; /* Make local routing a higher priority */
+ msg_ctx.timeout = DHT_DEFAULT_P2P_TIMEOUT;
+
+ if (ntohs (enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_GET)
+ increment_stats (STAT_GET_START);
+ else if (ntohs (enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_PUT)
+ increment_stats (STAT_PUT_START);
+ else if (ntohs (enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_FIND_PEER)
+ increment_stats (STAT_FIND_PEER_START);
+
+ if (GNUNET_YES == malicious_dropper)
+ {
+ if (ntohs (enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_GET)
+ {
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes) && (dhtlog_handle != NULL))
+ {
+ dhtlog_handle->insert_query (NULL, msg_ctx.unique_id,
+ DHTLOG_GET, msg_ctx.hop_count,
+ GNUNET_NO, &my_identity,
+ &msg_ctx.key);
+ }
+#endif
+ }
+ else if (ntohs (enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_PUT)
+ {
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes) && (dhtlog_handle != NULL))
+ {
+ dhtlog_handle->insert_query (NULL, msg_ctx.unique_id,
+ DHTLOG_PUT, msg_ctx.hop_count,
+ GNUNET_NO, &my_identity,
+ &msg_ctx.key);
+ }
+#endif
+ }
+ GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ return;
+ }
+
+ demultiplex_message (enc_msg, &msg_ctx);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
const struct GNUNET_MessageHeader *message)
{
const struct GNUNET_DHT_ControlMessage *dht_control_msg =
- (const struct GNUNET_DHT_ControlMessage *) message;
+ (const struct GNUNET_DHT_ControlMessage *) message;
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Received `%s' request from client, command %d\n", my_short_id, "DHT",
- "CONTROL", ntohs(dht_control_msg->command));
+ "`%s:%s': Received `%s' request from client, command %d\n",
+ my_short_id, "DHT", "CONTROL",
+ ntohs (dht_control_msg->command));
#endif
- switch (ntohs(dht_control_msg->command))
- {
- case GNUNET_MESSAGE_TYPE_DHT_FIND_PEER:
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Sending self seeking find peer request!\n");
- GNUNET_SCHEDULER_add_now(&send_find_peer_message, NULL);
- break;
+ switch (ntohs (dht_control_msg->command))
+ {
+ case GNUNET_MESSAGE_TYPE_DHT_FIND_PEER:
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending self seeking find peer request!\n");
+ GNUNET_SCHEDULER_add_now (&send_find_peer_message, NULL);
+ break;
#if HAVE_MALICIOUS
- case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET:
- if (ntohs(dht_control_msg->variable) > 0)
- malicious_get_frequency = ntohs(dht_control_msg->variable);
- if (malicious_get_frequency == 0)
- malicious_get_frequency = DEFAULT_MALICIOUS_GET_FREQUENCY;
- if (malicious_getter != GNUNET_YES)
- GNUNET_SCHEDULER_add_now(&malicious_get_task, NULL);
- malicious_getter = GNUNET_YES;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "%s:%s Initiating malicious GET behavior, frequency %d\n", my_short_id, "DHT", malicious_get_frequency);
- break;
- case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT:
- if (ntohs(dht_control_msg->variable) > 0)
- malicious_put_frequency = ntohs(dht_control_msg->variable);
- if (malicious_put_frequency == 0)
- malicious_put_frequency = DEFAULT_MALICIOUS_PUT_FREQUENCY;
- if (malicious_putter != GNUNET_YES)
- GNUNET_SCHEDULER_add_now(&malicious_put_task, NULL);
- malicious_putter = GNUNET_YES;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "%s:%s Initiating malicious PUT behavior, frequency %d\n", my_short_id, "DHT", malicious_put_frequency);
- break;
- case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP:
+ case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET:
+ if (ntohs (dht_control_msg->variable) > 0)
+ malicious_get_frequency = ntohs (dht_control_msg->variable);
+ if (malicious_get_frequency == 0)
+ malicious_get_frequency = DEFAULT_MALICIOUS_GET_FREQUENCY;
+ if (malicious_getter != GNUNET_YES)
+ GNUNET_SCHEDULER_add_now (&malicious_get_task, NULL);
+ malicious_getter = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Initiating malicious GET behavior, frequency %d\n",
+ my_short_id, "DHT", malicious_get_frequency);
+ break;
+ case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT:
+ if (ntohs (dht_control_msg->variable) > 0)
+ malicious_put_frequency = ntohs (dht_control_msg->variable);
+ if (malicious_put_frequency == 0)
+ malicious_put_frequency = DEFAULT_MALICIOUS_PUT_FREQUENCY;
+ if (malicious_putter != GNUNET_YES)
+ GNUNET_SCHEDULER_add_now (&malicious_put_task, NULL);
+ malicious_putter = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Initiating malicious PUT behavior, frequency %d\n",
+ my_short_id, "DHT", malicious_put_frequency);
+ break;
+ case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP:
#if DEBUG_DHT_ROUTING
- if ((malicious_dropper != GNUNET_YES) && (dhtlog_handle != NULL))
- dhtlog_handle->set_malicious(&my_identity);
+ if ((malicious_dropper != GNUNET_YES) && (dhtlog_handle != NULL))
+ dhtlog_handle->set_malicious (&my_identity);
#endif
- malicious_dropper = GNUNET_YES;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "%s:%s Initiating malicious DROP behavior\n", my_short_id, "DHT");
- break;
+ malicious_dropper = GNUNET_YES;
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "%s:%s Initiating malicious DROP behavior\n", my_short_id,
+ "DHT");
+ break;
#endif
- default:
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
- "%s:%s Unknown control command type `%d'!\n",
- my_short_id, "DHT",
- ntohs(dht_control_msg->command));
- break;
- }
+ default:
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "%s:%s Unknown control command type `%d'!\n",
+ my_short_id, "DHT", ntohs (dht_control_msg->command));
+ break;
+ }
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
*
*/
static void
-handle_dht_local_route_stop(void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
+handle_dht_local_route_stop (void *cls, struct GNUNET_SERVER_Client *client,
+ const struct GNUNET_MessageHeader *message)
{
const struct GNUNET_DHT_StopMessage *dht_stop_msg =
struct DHTRouteSource *pos;
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Received `%s' request from client, uid %llu\n", my_short_id, "DHT",
- "GENERIC STOP", GNUNET_ntohll (dht_stop_msg->unique_id));
+ "`%s:%s': Received `%s' request from client, uid %llu\n",
+ my_short_id, "DHT", "GENERIC STOP",
+ GNUNET_ntohll (dht_stop_msg->unique_id));
#endif
- record = GNUNET_CONTAINER_multihashmap_get(forward_list.hashmap, &dht_stop_msg->key);
+ record =
+ GNUNET_CONTAINER_multihashmap_get (forward_list.hashmap,
+ &dht_stop_msg->key);
if (record != NULL)
{
pos = record->head;
while (pos != NULL)
{
+ /* If the client is non-null (local request) and the client matches the requesting client, remove the entry. */
if ((pos->client != NULL) && (pos->client->client_handle == client))
{
- GNUNET_SCHEDULER_cancel(pos->delete_task);
- pos->delete_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_SCHEDULER_add_now(&remove_forward_entry, pos);
+ if (pos->delete_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (pos->delete_task);
+ pos->delete_task = GNUNET_SCHEDULER_add_now (&remove_forward_entry, pos);
}
pos = pos->next;
}
/**
* Core handler for p2p route requests.
+ *
+ * @param cls closure
+ * @param message message
+ * @param peer peer identity this notification is about
+ * @param atsi performance data
+ *
*/
static int
handle_dht_p2p_route_request (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message,
- struct GNUNET_TIME_Relative latency, uint32_t distance)
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_MessageHeader *message,
+ const struct GNUNET_TRANSPORT_ATS_Information
+ *atsi)
{
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Received P2P request from peer %s\n", my_short_id, "DHT", GNUNET_i2s(peer));
+ "`%s:%s': Received P2P request from peer %s\n", my_short_id,
+ "DHT", GNUNET_i2s (peer));
#endif
- struct GNUNET_DHT_P2PRouteMessage *incoming = (struct GNUNET_DHT_P2PRouteMessage *)message;
- struct GNUNET_MessageHeader *enc_msg = (struct GNUNET_MessageHeader *)&incoming[1];
- struct DHT_MessageContext *message_context;
-
- if (get_max_send_delay().rel_value > MAX_REQUEST_TIME.rel_value)
- {
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Sending of previous replies took too long, backing off!\n");
- increment_stats("# route requests dropped due to high load");
- decrease_max_send_delay(get_max_send_delay());
- return GNUNET_YES;
- }
+ struct GNUNET_DHT_P2PRouteMessage *incoming =
+ (struct GNUNET_DHT_P2PRouteMessage *) message;
+ struct GNUNET_MessageHeader *enc_msg =
+ (struct GNUNET_MessageHeader *) &incoming[1];
+ struct DHT_MessageContext *msg_ctx;
- if (ntohs(enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_P2P_PING) /* Throw these away. FIXME: Don't throw these away? (reply)*/
+ if (ntohs (enc_msg->type) == GNUNET_MESSAGE_TYPE_DHT_P2P_PING) /* Throw these away. FIXME: Don't throw these away? (reply) */
{
#if DEBUG_PING
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s Received P2P Ping message.\n", my_short_id, "DHT");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Received P2P Ping message.\n", my_short_id, "DHT");
+#endif
+ return GNUNET_YES;
+ }
+
+ if (ntohs (enc_msg->size) >= GNUNET_SERVER_MAX_MESSAGE_SIZE - 1)
+ {
+ GNUNET_break_op (0);
+ return GNUNET_YES;
+ }
+
+ if (malicious_dropper == GNUNET_YES)
+ {
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ {
+ /** Log routes that die due to high load! */
+ dhtlog_handle->insert_route (NULL,
+ GNUNET_ntohll (incoming->unique_id),
+ DHTLOG_ROUTE,
+ ntohl (incoming->hop_count),
+ GNUNET_SYSERR, &my_identity,
+ &incoming->key, peer, NULL);
+ }
#endif
return GNUNET_YES;
}
- if (ntohs(enc_msg->size) >= GNUNET_SERVER_MAX_MESSAGE_SIZE - 1)
+ if (get_max_send_delay ().rel_value > MAX_REQUEST_TIME.rel_value)
{
- GNUNET_break_op(0);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Sending of previous replies took too long, backing off!\n");
+ increment_stats ("# route requests dropped due to high load");
+ decrease_max_send_delay (get_max_send_delay ());
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ {
+ /** Log routes that die due to high load! */
+ dhtlog_handle->insert_route (NULL,
+ GNUNET_ntohll (incoming->unique_id),
+ DHTLOG_ROUTE,
+ ntohl (incoming->hop_count),
+ GNUNET_SYSERR, &my_identity,
+ &incoming->key, peer, NULL);
+ }
+#endif
return GNUNET_YES;
}
- message_context = GNUNET_malloc(sizeof (struct DHT_MessageContext));
- message_context->bloom = GNUNET_CONTAINER_bloomfilter_init(incoming->bloomfilter, DHT_BLOOM_SIZE, DHT_BLOOM_K);
- GNUNET_assert(message_context->bloom != NULL);
- message_context->hop_count = ntohl(incoming->hop_count);
- memcpy(&message_context->key, &incoming->key, sizeof(GNUNET_HashCode));
- message_context->replication = ntohl(incoming->desired_replication_level);
- message_context->unique_id = GNUNET_ntohll(incoming->unique_id);
- message_context->msg_options = ntohl(incoming->options);
- message_context->network_size = ntohl(incoming->network_size);
- message_context->peer = peer;
- message_context->importance = DHT_DEFAULT_P2P_IMPORTANCE;
- message_context->timeout = DHT_DEFAULT_P2P_TIMEOUT;
- demultiplex_message(enc_msg, message_context);
- GNUNET_free(message_context);
+ msg_ctx = GNUNET_malloc (sizeof (struct DHT_MessageContext));
+ msg_ctx->bloom =
+ GNUNET_CONTAINER_bloomfilter_init (incoming->bloomfilter, DHT_BLOOM_SIZE,
+ DHT_BLOOM_K);
+ GNUNET_assert (msg_ctx->bloom != NULL);
+ msg_ctx->hop_count = ntohl (incoming->hop_count);
+ memcpy (&msg_ctx->key, &incoming->key, sizeof (GNUNET_HashCode));
+ msg_ctx->replication = ntohl (incoming->desired_replication_level);
+ msg_ctx->unique_id = GNUNET_ntohll (incoming->unique_id);
+ msg_ctx->msg_options = ntohl (incoming->options);
+ msg_ctx->network_size = ntohl (incoming->network_size);
+ msg_ctx->peer = peer;
+ msg_ctx->importance = DHT_DEFAULT_P2P_IMPORTANCE;
+ msg_ctx->timeout = DHT_DEFAULT_P2P_TIMEOUT;
+ demultiplex_message (enc_msg, msg_ctx);
+ if (msg_ctx->bloom != NULL)
+ {
+ GNUNET_CONTAINER_bloomfilter_free (msg_ctx->bloom);
+ msg_ctx->bloom = NULL;
+ }
+ GNUNET_free (msg_ctx);
return GNUNET_YES;
}
/**
* Core handler for p2p route results.
+ *
+ * @param cls closure
+ * @param message message
+ * @param peer peer identity this notification is about
+ * @param atsi performance data
+ *
*/
static int
handle_dht_p2p_route_result (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message,
- struct GNUNET_TIME_Relative latency, uint32_t distance)
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_MessageHeader *message,
+ const struct GNUNET_TRANSPORT_ATS_Information
+ *atsi)
{
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "`%s:%s': Received request from peer %s\n", my_short_id, "DHT", GNUNET_i2s(peer));
+ "`%s:%s': Received request from peer %s\n", my_short_id, "DHT",
+ GNUNET_i2s (peer));
#endif
- struct GNUNET_DHT_P2PRouteResultMessage *incoming = (struct GNUNET_DHT_P2PRouteResultMessage *)message;
- struct GNUNET_MessageHeader *enc_msg = (struct GNUNET_MessageHeader *)&incoming[1];
- struct DHT_MessageContext message_context;
+ struct GNUNET_DHT_P2PRouteResultMessage *incoming =
+ (struct GNUNET_DHT_P2PRouteResultMessage *) message;
+ struct GNUNET_MessageHeader *enc_msg =
+ (struct GNUNET_MessageHeader *) &incoming[1];
+ struct DHT_MessageContext msg_ctx;
+
+ if (ntohs (enc_msg->size) >= GNUNET_SERVER_MAX_MESSAGE_SIZE - 1)
+ {
+ GNUNET_break_op (0);
+ return GNUNET_YES;
+ }
- if (ntohs(enc_msg->size) >= GNUNET_SERVER_MAX_MESSAGE_SIZE - 1)
+ if (malicious_dropper == GNUNET_YES)
{
- GNUNET_break_op(0);
+#if DEBUG_DHT_ROUTING
+ if ((debug_routes_extended) && (dhtlog_handle != NULL))
+ {
+ /** Log routes that die due to high load! */
+ dhtlog_handle->insert_route (NULL,
+ GNUNET_ntohll (incoming->unique_id),
+ DHTLOG_ROUTE,
+ ntohl (incoming->hop_count),
+ GNUNET_SYSERR, &my_identity,
+ &incoming->key, peer, NULL);
+ }
+#endif
return GNUNET_YES;
}
- memset(&message_context, 0, sizeof(struct DHT_MessageContext));
+ memset (&msg_ctx, 0, sizeof (struct DHT_MessageContext));
// FIXME: call GNUNET_BLOCK_evaluate (...) -- instead of doing your own bloomfilter!
- message_context.bloom = GNUNET_CONTAINER_bloomfilter_init(incoming->bloomfilter, DHT_BLOOM_SIZE, DHT_BLOOM_K);
- GNUNET_assert(message_context.bloom != NULL);
- memcpy(&message_context.key, &incoming->key, sizeof(GNUNET_HashCode));
- message_context.unique_id = GNUNET_ntohll(incoming->unique_id);
- message_context.msg_options = ntohl(incoming->options);
- message_context.hop_count = ntohl(incoming->hop_count);
- message_context.peer = peer;
- message_context.importance = DHT_DEFAULT_P2P_IMPORTANCE * 2; /* Make result routing a higher priority */
- message_context.timeout = DHT_DEFAULT_P2P_TIMEOUT;
- route_result_message(enc_msg, &message_context);
+ msg_ctx.bloom =
+ GNUNET_CONTAINER_bloomfilter_init (incoming->bloomfilter, DHT_BLOOM_SIZE,
+ DHT_BLOOM_K);
+ GNUNET_assert (msg_ctx.bloom != NULL);
+ memcpy (&msg_ctx.key, &incoming->key, sizeof (GNUNET_HashCode));
+ msg_ctx.unique_id = GNUNET_ntohll (incoming->unique_id);
+ msg_ctx.msg_options = ntohl (incoming->options);
+ msg_ctx.hop_count = ntohl (incoming->hop_count);
+ msg_ctx.peer = peer;
+ msg_ctx.importance = DHT_DEFAULT_P2P_IMPORTANCE + 2; /* Make result routing a higher priority */
+ msg_ctx.timeout = DHT_DEFAULT_P2P_TIMEOUT;
+ route_result_message (enc_msg, &msg_ctx);
return GNUNET_YES;
}
{
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received our `%s' from transport service\n",
- "HELLO");
+ "Received our `%s' from transport service\n", "HELLO");
#endif
GNUNET_assert (message != NULL);
- GNUNET_free_non_null(my_hello);
- my_hello = GNUNET_malloc(ntohs(message->size));
- memcpy(my_hello, message, ntohs(message->size));
+ GNUNET_free_non_null (my_hello);
+ my_hello = GNUNET_malloc (ntohs (message->size));
+ memcpy (my_hello, message, ntohs (message->size));
}
if (transport_handle != NULL)
{
- GNUNET_free_non_null(my_hello);
- GNUNET_TRANSPORT_get_hello_cancel(transport_handle, &process_hello, NULL);
- GNUNET_TRANSPORT_disconnect(transport_handle);
+ GNUNET_free_non_null (my_hello);
+ GNUNET_TRANSPORT_get_hello_cancel (transport_handle, &process_hello,
+ NULL);
+ GNUNET_TRANSPORT_disconnect (transport_handle);
}
- for (bucket_count = lowest_bucket; bucket_count < MAX_BUCKETS; bucket_count++)
+ for (bucket_count = lowest_bucket; bucket_count < MAX_BUCKETS;
+ bucket_count++)
{
while (k_buckets[bucket_count].head != NULL)
{
pos = k_buckets[bucket_count].head;
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s:%s Removing peer %s from bucket %d!\n", my_short_id, "DHT", GNUNET_i2s(&pos->id), bucket_count);
+ "%s:%s Removing peer %s from bucket %d!\n", my_short_id,
+ "DHT", GNUNET_i2s (&pos->id), bucket_count);
#endif
- delete_peer(pos, bucket_count);
+ delete_peer (pos, bucket_count);
}
}
if (coreAPI != NULL)
}
if (dhtlog_handle != NULL)
{
- GNUNET_DHTLOG_disconnect(dhtlog_handle);
+ GNUNET_DHTLOG_disconnect (dhtlog_handle);
dhtlog_handle = NULL;
}
if (block_context != NULL)
GNUNET_BLOCK_context_destroy (block_context);
block_context = NULL;
}
- GNUNET_free_non_null(my_short_id);
+ GNUNET_free_non_null (my_short_id);
my_short_id = NULL;
}
if (server == NULL)
{
#if DEBUG_DHT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s: Connection to core FAILED!\n", "dht",
- GNUNET_i2s (identity));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: Connection to core FAILED!\n", "dht",
+ GNUNET_i2s (identity));
#endif
GNUNET_SCHEDULER_cancel (cleanup_task);
GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
/* Copy our identity so we can use it */
memcpy (&my_identity, identity, sizeof (struct GNUNET_PeerIdentity));
if (my_short_id != NULL)
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s Receive CORE INIT message but have already been initialized! Did CORE fail?\n", "DHT SERVICE");
- my_short_id = GNUNET_strdup(GNUNET_i2s(&my_identity));
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "%s Receive CORE INIT message but have already been initialized! Did CORE fail?\n",
+ "DHT SERVICE");
+ my_short_id = GNUNET_strdup (GNUNET_i2s (&my_identity));
/* Set the server to local variable */
coreAPI = server;
static struct GNUNET_SERVER_MessageHandler plugin_handlers[] = {
- {&handle_dht_local_route_request, NULL, GNUNET_MESSAGE_TYPE_DHT_LOCAL_ROUTE, 0},
- {&handle_dht_local_route_stop, NULL, GNUNET_MESSAGE_TYPE_DHT_LOCAL_ROUTE_STOP, 0},
+ {&handle_dht_local_route_request, NULL, GNUNET_MESSAGE_TYPE_DHT_LOCAL_ROUTE,
+ 0},
+ {&handle_dht_local_route_stop, NULL,
+ GNUNET_MESSAGE_TYPE_DHT_LOCAL_ROUTE_STOP, 0},
{&handle_dht_control_message, NULL, GNUNET_MESSAGE_TYPE_DHT_CONTROL, 0},
{NULL, NULL, 0, 0}
};
*
* @param cls closure
* @param peer peer identity this notification is about
- * @param latency reported latency of the connection with peer
- * @param distance reported distance (DV) to peer
+ * @param atsi performance data
*/
-void handle_core_connect (void *cls,
- const struct GNUNET_PeerIdentity * peer,
- struct GNUNET_TIME_Relative latency,
- uint32_t distance)
+static void
+handle_core_connect (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_TRANSPORT_ATS_Information *atsi)
{
struct PeerInfo *ret;
+ /* Check for connect to self message */
+ if (0 == memcmp(&my_identity, peer, sizeof(struct GNUNET_PeerIdentity)))
+ return;
+
#if DEBUG_DHT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s:%s Receives core connect message for peer %s distance %d!\n", my_short_id, "dht", GNUNET_i2s(peer), distance);
+ "%s:%s Receives core connect message for peer %s distance %d!\n",
+ my_short_id, "dht", GNUNET_i2s (peer), distance);
#endif
- if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(all_known_peers, &peer->hashPubKey))
+ if (GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (all_known_peers,
+ &peer->hashPubKey))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%s:%s Received %s message for peer %s, but already have peer in RT!", my_short_id, "DHT", "CORE CONNECT", GNUNET_i2s(peer));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Received %s message for peer %s, but already have peer in RT!",
+ my_short_id, "DHT", "CORE CONNECT", GNUNET_i2s (peer));
return;
}
if (datacache != NULL)
- GNUNET_DATACACHE_put(datacache, &peer->hashPubKey, sizeof(struct GNUNET_PeerIdentity), (const char *)peer, GNUNET_BLOCK_TYPE_DHT_HELLO, GNUNET_TIME_absolute_get_forever());
- ret = try_add_peer(peer,
- find_current_bucket(&peer->hashPubKey),
- latency,
- distance);
+ GNUNET_DATACACHE_put (datacache, &peer->hashPubKey,
+ sizeof (struct GNUNET_PeerIdentity),
+ (const char *) peer, GNUNET_BLOCK_TYPE_DHT_HELLO,
+ GNUNET_TIME_absolute_get_forever ());
+ ret = try_add_peer (peer, find_current_bucket (&peer->hashPubKey), atsi);
if (ret != NULL)
{
newly_found_peers++;
- GNUNET_CONTAINER_multihashmap_put(all_known_peers, &peer->hashPubKey, ret, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ GNUNET_CONTAINER_multihashmap_put (all_known_peers, &peer->hashPubKey,
+ ret,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
}
#if DEBUG_DHT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s:%s Adding peer to routing list: %s\n", my_short_id, "DHT", ret == NULL ? "NOT ADDED" : "PEER ADDED");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s Adding peer to routing list: %s\n", my_short_id, "DHT",
+ ret == NULL ? "NOT ADDED" : "PEER ADDED");
#endif
}
* @param cls closure
* @param peer peer identity this notification is about
*/
-void handle_core_disconnect (void *cls,
- const struct
- GNUNET_PeerIdentity * peer)
+static void
+handle_core_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
{
struct PeerInfo *to_remove;
int current_bucket;
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s: Received peer disconnect message for peer `%s' from %s\n", my_short_id, "DHT", GNUNET_i2s(peer), "CORE");
+ /* Check for disconnect from self message */
+ if (0 == memcmp(&my_identity, peer, sizeof(struct GNUNET_PeerIdentity)))
+ return;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s: Received peer disconnect message for peer `%s' from %s\n",
+ my_short_id, "DHT", GNUNET_i2s (peer), "CORE");
- if (GNUNET_YES != GNUNET_CONTAINER_multihashmap_contains(all_known_peers, &peer->hashPubKey))
+ if (GNUNET_YES !=
+ GNUNET_CONTAINER_multihashmap_contains (all_known_peers,
+ &peer->hashPubKey))
{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s:%s: do not have peer `%s' in RT, can't disconnect!\n", my_short_id, "DHT", GNUNET_i2s(peer));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s:%s: do not have peer `%s' in RT, can't disconnect!\n",
+ my_short_id, "DHT", GNUNET_i2s (peer));
return;
}
- increment_stats(STAT_DISCONNECTS);
- GNUNET_assert(GNUNET_CONTAINER_multihashmap_contains(all_known_peers, &peer->hashPubKey));
- to_remove = GNUNET_CONTAINER_multihashmap_get(all_known_peers, &peer->hashPubKey);
+ increment_stats (STAT_DISCONNECTS);
+ GNUNET_assert (GNUNET_CONTAINER_multihashmap_contains
+ (all_known_peers, &peer->hashPubKey));
+ to_remove =
+ GNUNET_CONTAINER_multihashmap_get (all_known_peers, &peer->hashPubKey);
GNUNET_assert (to_remove != NULL);
- GNUNET_assert(0 == memcmp(peer, &to_remove->id, sizeof(struct GNUNET_PeerIdentity)));
- current_bucket = find_current_bucket(&to_remove->id.hashPubKey);
- delete_peer(to_remove, current_bucket);
+ GNUNET_assert (0 ==
+ memcmp (peer, &to_remove->id,
+ sizeof (struct GNUNET_PeerIdentity)));
+ current_bucket = find_current_bucket (&to_remove->id.hashPubKey);
+ delete_peer (to_remove, current_bucket);
}
GNUNET_SERVER_add_handlers (server, plugin_handlers);
GNUNET_SERVER_disconnect_notify (server, &handle_client_disconnect, NULL);
coreAPI = GNUNET_CORE_connect (cfg, /* Main configuration */
- GNUNET_TIME_UNIT_FOREVER_REL,
+ DEFAULT_CORE_QUEUE_SIZE, /* queue size */
NULL, /* Closure passed to DHT functions */
&core_init, /* Call core_init once connected */
&handle_core_connect, /* Handle connects */
- &handle_core_disconnect, /* remove peers on disconnects */
+ &handle_core_disconnect, /* remove peers on disconnects */
NULL, /* Do we care about "status" updates? */
NULL, /* Don't want notified about all incoming messages */
GNUNET_NO, /* For header only inbound notification */
if (coreAPI == NULL)
return;
- transport_handle = GNUNET_TRANSPORT_connect(cfg,
- NULL, NULL, NULL, NULL, NULL);
+ transport_handle = GNUNET_TRANSPORT_connect (cfg,
+ NULL, NULL, NULL, NULL, NULL);
if (transport_handle != NULL)
GNUNET_TRANSPORT_get_hello (transport_handle, &process_hello, NULL);
else
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
- "Failed to connect to transport service!\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Failed to connect to transport service!\n");
block_context = GNUNET_BLOCK_context_create (cfg);
lowest_bucket = MAX_BUCKETS - 1;
- forward_list.hashmap = GNUNET_CONTAINER_multihashmap_create(MAX_OUTSTANDING_FORWARDS / 10);
- forward_list.minHeap = GNUNET_CONTAINER_heap_create(GNUNET_CONTAINER_HEAP_ORDER_MIN);
- all_known_peers = GNUNET_CONTAINER_multihashmap_create(MAX_BUCKETS / 8);
- recent_find_peer_requests = GNUNET_CONTAINER_multihashmap_create(MAX_BUCKETS / 8);
- GNUNET_assert(all_known_peers != NULL);
- if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing", "mysql_logging"))
+ forward_list.hashmap =
+ GNUNET_CONTAINER_multihashmap_create (MAX_OUTSTANDING_FORWARDS / 10);
+ forward_list.minHeap =
+ GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);
+ all_known_peers = GNUNET_CONTAINER_multihashmap_create (MAX_BUCKETS / 8);
+ recent_find_peer_requests =
+ GNUNET_CONTAINER_multihashmap_create (MAX_BUCKETS / 8);
+ GNUNET_assert (all_known_peers != NULL);
+ if (GNUNET_YES ==
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht_testing",
+ "mysql_logging"))
{
debug_routes = GNUNET_YES;
}
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "strict_kademlia"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "strict_kademlia"))
{
strict_kademlia = GNUNET_YES;
}
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "stop_on_closest"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "stop_on_closest"))
{
stop_on_closest = GNUNET_YES;
}
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "stop_found"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "stop_found"))
{
stop_on_found = GNUNET_YES;
}
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "malicious_getter"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "malicious_getter"))
{
malicious_getter = GNUNET_YES;
if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT",
- "MALICIOUS_GET_FREQUENCY",
- &malicious_get_frequency))
+ "MALICIOUS_GET_FREQUENCY",
+ &malicious_get_frequency))
malicious_get_frequency = DEFAULT_MALICIOUS_GET_FREQUENCY;
}
if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_number (cfg, "DHT",
- "MAX_HOPS",
- &max_hops))
+ "MAX_HOPS",
+ &max_hops))
{
max_hops = DEFAULT_MAX_HOPS;
}
}
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "malicious_putter"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "malicious_putter"))
{
malicious_putter = GNUNET_YES;
if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT",
- "MALICIOUS_PUT_FREQUENCY",
- &malicious_put_frequency))
+ "MALICIOUS_PUT_FREQUENCY",
+ &malicious_put_frequency))
malicious_put_frequency = DEFAULT_MALICIOUS_PUT_FREQUENCY;
}
dht_republish_frequency = GNUNET_DHT_DEFAULT_REPUBLISH_FREQUENCY;
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number(cfg, "DHT", "REPLICATION_FREQUENCY", &temp_config_num))
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (cfg, "DHT",
+ "REPLICATION_FREQUENCY",
+ &temp_config_num))
+ {
+ dht_republish_frequency =
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES,
+ temp_config_num);
+ }
+
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_number (cfg, "DHT", "bucket_size",
+ &temp_config_num))
{
- dht_republish_frequency = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, temp_config_num);
+ bucket_size = (unsigned int) temp_config_num;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (cfg, "DHT", "kad_alpha",
+ &kademlia_replication))
+ {
+ kademlia_replication = DEFAULT_KADEMLIA_REPLICATION;
}
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "malicious_dropper"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "malicious_dropper"))
{
malicious_dropper = GNUNET_YES;
}
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "republish"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "republish"))
do_republish = GNUNET_NO;
if (GNUNET_NO ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "do_find_peer"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "do_find_peer"))
{
do_find_peer = GNUNET_NO;
}
do_find_peer = GNUNET_YES;
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "use_real_distance"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "use_real_distance"))
use_real_distance = GNUNET_YES;
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing",
- "mysql_logging_extended"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht_testing",
+ "mysql_logging_extended"))
{
debug_routes = GNUNET_YES;
debug_routes_extended = GNUNET_YES;
#if DEBUG_DHT_ROUTING
if (GNUNET_YES == debug_routes)
{
- dhtlog_handle = GNUNET_DHTLOG_connect(cfg);
+ dhtlog_handle = GNUNET_DHTLOG_connect (cfg);
if (dhtlog_handle == NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
converge_option = DHT_CONVERGE_SQUARE;
if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "converge_linear"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht", "converge_linear"))
{
converge_option = DHT_CONVERGE_LINEAR;
}
else if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "converge_exponential"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht",
+ "converge_exponential"))
{
converge_option = DHT_CONVERGE_EXPONENTIAL;
}
else if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "converge_random"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht",
+ "converge_random"))
{
converge_option = DHT_CONVERGE_RANDOM;
}
else if (GNUNET_YES ==
- GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
- "converge_binary"))
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "dht",
+ "converge_binary"))
{
converge_option = DHT_CONVERGE_BINARY;
}
- if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string(cfg, "dht_testing", "converge_modifier", &converge_modifier_buf))
+ if (GNUNET_OK ==
+ GNUNET_CONFIGURATION_get_value_string (cfg, "dht", "converge_modifier",
+ &converge_modifier_buf))
{
- if (1 != sscanf(converge_modifier_buf, "%f", &converge_modifier))
+ if (1 != sscanf (converge_modifier_buf, "%f", &converge_modifier))
{
- GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to read decimal value for %s from `%s'\n", "CONVERGE_MODIFIER", converge_modifier_buf);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Failed to read decimal value for %s from `%s'\n",
+ "CONVERGE_MODIFIER", converge_modifier_buf);
converge_modifier = 0.0;
}
- GNUNET_free(converge_modifier_buf);
+ GNUNET_free (converge_modifier_buf);
}
- stats = GNUNET_STATISTICS_create("dht", cfg);
+ stats = GNUNET_STATISTICS_create ("dht", cfg);
if (stats != NULL)
{
- GNUNET_STATISTICS_set(stats, STAT_ROUTES, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_ROUTE_FORWARDS, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_ROUTE_FORWARDS_CLOSEST, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_RESULTS, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_RESULTS_TO_CLIENT, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_RESULT_FORWARDS, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_GETS, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_PUTS, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_PUTS_INSERTED, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_FIND_PEER, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_FIND_PEER_START, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_GET_START, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_PUT_START, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_FIND_PEER_REPLY, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_FIND_PEER_ANSWER, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_BLOOM_FIND_PEER, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_GET_REPLY, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_GET_RESPONSE_START, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_HELLOS_PROVIDED, 0, GNUNET_NO);
- GNUNET_STATISTICS_set(stats, STAT_DISCONNECTS, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_ROUTES, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_ROUTE_FORWARDS, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_ROUTE_FORWARDS_CLOSEST, 0,
+ GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_RESULTS, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_RESULTS_TO_CLIENT, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_RESULT_FORWARDS, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_GETS, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_PUTS, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_PUTS_INSERTED, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_FIND_PEER, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_FIND_PEER_START, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_GET_START, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_PUT_START, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_FIND_PEER_REPLY, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_FIND_PEER_ANSWER, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_BLOOM_FIND_PEER, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_GET_REPLY, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_GET_RESPONSE_START, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_HELLOS_PROVIDED, 0, GNUNET_NO);
+ GNUNET_STATISTICS_set (stats, STAT_DISCONNECTS, 0, GNUNET_NO);
}
/* FIXME: if there are no recent requests then these never get freed, but alternative is _annoying_! */
- recent.hashmap = GNUNET_CONTAINER_multihashmap_create(DHT_MAX_RECENT / 2);
- recent.minHeap = GNUNET_CONTAINER_heap_create(GNUNET_CONTAINER_HEAP_ORDER_MIN);
+ recent.hashmap = GNUNET_CONTAINER_multihashmap_create (DHT_MAX_RECENT / 2);
+ recent.minHeap =
+ GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);
if (GNUNET_YES == do_find_peer)
- {
- next_send_time.rel_value = DHT_MINIMUM_FIND_PEER_INTERVAL.rel_value +
- GNUNET_CRYPTO_random_u64(GNUNET_CRYPTO_QUALITY_STRONG,
- (DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value / 2) - DHT_MINIMUM_FIND_PEER_INTERVAL.rel_value);
- find_peer_context.start = GNUNET_TIME_absolute_get();
- GNUNET_SCHEDULER_add_delayed (next_send_time,
- &send_find_peer_message, &find_peer_context);
- }
+ {
+ next_send_time.rel_value = DHT_MINIMUM_FIND_PEER_INTERVAL.rel_value +
+ GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_STRONG,
+ (DHT_MAXIMUM_FIND_PEER_INTERVAL.rel_value /
+ 2) -
+ DHT_MINIMUM_FIND_PEER_INTERVAL.rel_value);
+ find_peer_context.start = GNUNET_TIME_absolute_get ();
+ GNUNET_SCHEDULER_add_delayed (next_send_time,
+ &send_find_peer_message,
+ &find_peer_context);
+ }
/* Scheduled the task to clean up when shutdown is called */
cleanup_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
int ret;
ret = (GNUNET_OK ==
- GNUNET_SERVICE_run (argc,
- argv,
- "dht",
- GNUNET_SERVICE_OPTION_NONE,
- &run, NULL)) ? 0 : 1;
- GNUNET_assert (0 == GNUNET_CONTAINER_multihashmap_size(recent.hashmap));
- GNUNET_assert (0 == GNUNET_CONTAINER_heap_get_size(recent.minHeap));
+ GNUNET_SERVICE_run (argc,
+ argv,
+ "dht",
+ GNUNET_SERVICE_OPTION_NONE, &run, NULL)) ? 0 : 1;
+ GNUNET_assert (0 == GNUNET_CONTAINER_multihashmap_size (recent.hashmap));
+ GNUNET_assert (0 == GNUNET_CONTAINER_heap_get_size (recent.minHeap));
GNUNET_CONTAINER_multihashmap_destroy (recent_find_peer_requests);
GNUNET_CONTAINER_multihashmap_destroy (recent.hashmap);
GNUNET_CONTAINER_heap_destroy (recent.minHeap);
projects / oweals / gnunet.git / blobdiff