/*
This file is part of GNUnet.
- Copyright (C) 2009, 2010, 2011, 2012, 2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009, 2010, 2011, 2012, 2013, 2016 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
#include <gcrypt.h>
+
/**
* Should messages be delayed randomly? This option should be set to
* #GNUNET_NO only for experiments, not in production.
/**
* Core handle for sending messages to this peer.
*/
- struct GNUNET_CORE_TransmitHandle *th;
+ struct GNUNET_MQ_Handle *mq;
/**
* What is the identity of the peer?
*/
- struct GNUNET_PeerIdentity id;
+ const struct GNUNET_PeerIdentity *id;
/**
* Task scheduled to send message to this peer.
*/
- struct GNUNET_SCHEDULER_Task * transmit_task;
+ struct GNUNET_SCHEDULER_Task *transmit_task;
/**
* Did we receive or send a message about the previous round
/**
* Task scheduled to update our flood message for the next round.
*/
-static struct GNUNET_SCHEDULER_Task * flood_task;
+static struct GNUNET_SCHEDULER_Task *flood_task;
/**
* Task scheduled to compute our proof.
*/
-static struct GNUNET_SCHEDULER_Task * proof_task;
+static struct GNUNET_SCHEDULER_Task *proof_task;
/**
* Notification context, simplifies client broadcasts.
*/
-static struct GNUNET_SERVER_NotificationContext *nc;
+static struct GNUNET_NotificationContext *nc;
/**
* The next major time.
*/
static uint64_t my_proof;
-/**
- * Handle to this serivce's server.
- */
-static struct GNUNET_SERVER_Handle *srv;
-
/**
* Initialize a message to clients with the current network
static void
setup_estimate_message (struct GNUNET_NSE_ClientMessage *em)
{
- unsigned int i;
- unsigned int j;
double mean;
double sum;
double std_dev;
sum = 0.0;
sumweight = 0.0;
variance = 0.0;
- for (i = 0; i < estimate_count; i++)
+ for (unsigned int i = 0; i < estimate_count; i++)
{
- j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
+ unsigned int j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
+
val = htonl (size_estimate_messages[j].matching_bits);
weight = estimate_count + 1 - i;
variance = 0.0;
mean = 0.0;
- for (i = 0; i < estimate_count; i++)
+ for (unsigned int i = 0; i < estimate_count; i++)
{
- j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
+ unsigned int j = (estimate_index - i + HISTORY_SIZE) % HISTORY_SIZE;
+
val = htonl (size_estimate_messages[j].matching_bits);
sum += val;
vsq += val * val;
em->header.type = htons (GNUNET_MESSAGE_TYPE_NSE_ESTIMATE);
em->reserved = htonl (0);
em->timestamp = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
- double se = mean - 0.332747;
- j = GNUNET_CONTAINER_multipeermap_size (peers);
- if (0 == j)
- j = 1; /* Avoid log2(0); can only happen if CORE didn't report
- connection to self yet */
- nsize = log2 (j);
- em->size_estimate = GNUNET_hton_double (GNUNET_MAX (se,
- nsize));
- em->std_deviation = GNUNET_hton_double (std_dev);
- GNUNET_STATISTICS_set (stats,
- "# nodes in the network (estimate)",
- (uint64_t) pow (2, GNUNET_MAX (se,
- nsize)),
- GNUNET_NO);
+ {
+ double se = mean - 0.332747;
+ unsigned int j = GNUNET_CONTAINER_multipeermap_size (peers);
+ if (0 == j)
+ j = 1; /* Avoid log2(0); can only happen if CORE didn't report
+ connection to self yet */
+ nsize = log2 (j);
+ em->size_estimate = GNUNET_hton_double (GNUNET_MAX (se,
+ nsize));
+ em->std_deviation = GNUNET_hton_double (std_dev);
+ GNUNET_STATISTICS_set (stats,
+ "# nodes in the network (estimate)",
+ (uint64_t) pow (2, GNUNET_MAX (se,
+ nsize)),
+ GNUNET_NO);
+ }
}
* Also, we remember the client for updates upon future
* estimate measurements.
*
- * @param cls unused
- * @param client who sent the message
+ * @param cls client who sent the message
* @param message the message received
*/
static void
-handle_start_message (void *cls,
- struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message)
+handle_start (void *cls,
+ const struct GNUNET_MessageHeader *message)
{
+ struct GNUNET_SERVICE_Client *client = cls;
+ struct GNUNET_MQ_Handle *mq;
struct GNUNET_NSE_ClientMessage em;
+ struct GNUNET_MQ_Envelope *env;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received START message from client\n");
- GNUNET_SERVER_notification_context_add (nc, client);
+ mq = GNUNET_SERVICE_client_get_mq (client);
+ GNUNET_notification_context_add (nc,
+ mq);
setup_estimate_message (&em);
- GNUNET_SERVER_notification_context_unicast (nc, client, &em.header,
- GNUNET_YES);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
+ env = GNUNET_MQ_msg_copy (&em.header);
+ GNUNET_MQ_send (mq,
+ env);
+ GNUNET_SERVICE_client_continue (client);
}
gcry_kdf_derive (buf, buf_len,
GCRY_KDF_SCRYPT,
1 /* subalgo */,
- "gnunet-proof-of-work", strlen ("gnunet-proof-of-work"),
+ "gnunet-proof-of-work",
+ strlen ("gnunet-proof-of-work"),
2 /* iterations; keep cost of individual op small */,
- sizeof (struct GNUNET_HashCode), result));
+ sizeof (struct GNUNET_HashCode),
+ result));
}
case -1:
/* previous round is randomized between 0 and 50 ms */
#if USE_RANDOM_DELAYS
- ret.rel_value_us = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, 50);
+ ret.rel_value_us = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK,
+ 50);
#else
ret = GNUNET_TIME_UNIT_ZERO;
#endif
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Transmitting previous round behind schedule in %s\n",
- GNUNET_STRINGS_relative_time_to_string (ret, GNUNET_YES));
+ GNUNET_STRINGS_relative_time_to_string (ret,
+ GNUNET_YES));
return ret;
case 0:
/* current round is based on best-known matching_bits */
GNUNET_STRINGS_relative_time_to_string (ret,
GNUNET_YES));
/* now consider round start time and add delay to it */
- tgt = GNUNET_TIME_absolute_add (current_timestamp, ret);
+ tgt = GNUNET_TIME_absolute_add (current_timestamp,
+ ret);
return GNUNET_TIME_absolute_get_remaining (tgt);
}
GNUNET_break (0);
* Task that triggers a NSE P2P transmission.
*
* @param cls the `struct NSEPeerEntry *`
- * @param tc scheduler context
*/
static void
-transmit_task_cb (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc);
-
-
-/**
- * Called when core is ready to send a message we asked for
- * out to the destination.
- *
- * @param cls closure with the `struct NSEPeerEntry *`
- * @param size number of bytes available in @a buf
- * @param buf where the callee should write the message
- * @return number of bytes written to @a buf
- */
-static size_t
-transmit_ready (void *cls,
- size_t size,
- void *buf)
+transmit_task_cb (void *cls)
{
struct NSEPeerEntry *peer_entry = cls;
unsigned int idx;
-
- peer_entry->th = NULL;
- if (NULL == buf)
- {
- /* client disconnected */
- return 0;
- }
- GNUNET_assert (size >= sizeof (struct GNUNET_NSE_FloodMessage));
+ struct GNUNET_MQ_Envelope *env;
+
+ peer_entry->transmit_task = NULL;
idx = estimate_index;
if (GNUNET_NO == peer_entry->previous_round)
{
idx = (idx + HISTORY_SIZE - 1) % HISTORY_SIZE;
peer_entry->previous_round = GNUNET_YES;
- peer_entry->transmit_task =
- GNUNET_SCHEDULER_add_delayed (get_transmit_delay (0),
- &transmit_task_cb,
- peer_entry);
+ peer_entry->transmit_task
+ = GNUNET_SCHEDULER_add_delayed (get_transmit_delay (0),
+ &transmit_task_cb,
+ peer_entry);
}
if ((0 == ntohl (size_estimate_messages[idx].hop_count)) &&
(NULL != proof_task))
{
GNUNET_STATISTICS_update (stats,
"# flood messages not generated (no proof yet)",
- 1, GNUNET_NO);
- return 0;
+ 1,
+ GNUNET_NO);
+ return;
}
if (0 == ntohs (size_estimate_messages[idx].header.size))
{
GNUNET_STATISTICS_update (stats,
"# flood messages not generated (lack of history)",
- 1, GNUNET_NO);
- return 0;
+ 1,
+ GNUNET_NO);
+ return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "In round s, sending to `%s' estimate with %u bits\n",
+ "In round %s, sending to `%s' estimate with %u bits\n",
GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (size_estimate_messages[idx].timestamp)),
- GNUNET_i2s (&peer_entry->id),
+ GNUNET_i2s (peer_entry->id),
(unsigned int) ntohl (size_estimate_messages[idx].matching_bits));
- if (ntohl (size_estimate_messages[idx].hop_count) == 0)
- GNUNET_STATISTICS_update (stats, "# flood messages started", 1, GNUNET_NO);
- GNUNET_STATISTICS_update (stats, "# flood messages transmitted", 1,
+ if (0 == ntohl (size_estimate_messages[idx].hop_count))
+ GNUNET_STATISTICS_update (stats,
+ "# flood messages started",
+ 1,
+ GNUNET_NO);
+ GNUNET_STATISTICS_update (stats,
+ "# flood messages transmitted",
+ 1,
GNUNET_NO);
#if ENABLE_NSE_HISTOGRAM
peer_entry->transmitted_messages++;
- peer_entry->last_transmitted_size =
- ntohl(size_estimate_messages[idx].matching_bits);
+ peer_entry->last_transmitted_size
+ = ntohl(size_estimate_messages[idx].matching_bits);
#endif
- memcpy (buf, &size_estimate_messages[idx],
- sizeof (struct GNUNET_NSE_FloodMessage));
- return sizeof (struct GNUNET_NSE_FloodMessage);
-}
-
-
-/**
- * Task that triggers a NSE P2P transmission.
- *
- * @param cls the `struct NSEPeerEntry *`
- * @param tc scheduler context
- */
-static void
-transmit_task_cb (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
-{
- struct NSEPeerEntry *peer_entry = cls;
-
- peer_entry->transmit_task = NULL;
-
- GNUNET_assert (NULL == peer_entry->th);
- peer_entry->th =
- GNUNET_CORE_notify_transmit_ready (core_api, GNUNET_NO,
- NSE_PRIORITY,
- GNUNET_TIME_UNIT_FOREVER_REL,
- &peer_entry->id,
- sizeof (struct
- GNUNET_NSE_FloodMessage),
- &transmit_ready, peer_entry);
+ env = GNUNET_MQ_msg_copy (&size_estimate_messages[idx].header);
+ GNUNET_MQ_send (peer_entry->mq,
+ env);
}
struct GNUNET_NSE_ClientMessage em;
setup_estimate_message (&em);
- GNUNET_SERVER_notification_context_broadcast (nc,
- &em.header,
- GNUNET_YES);
+ GNUNET_notification_context_broadcast (nc,
+ &em.header,
+ GNUNET_YES);
}
struct GNUNET_NSE_FloodMessage *fm;
uint32_t matching_bits;
- matching_bits = get_matching_bits (ts, &my_identity);
+ matching_bits = get_matching_bits (ts,
+ &my_identity);
fm = &size_estimate_messages[slot];
fm->header.size = htons (sizeof (struct GNUNET_NSE_FloodMessage));
fm->header.type = htons (GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD);
fm->proof_of_work = my_proof;
if (nse_work_required > 0)
GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_eddsa_sign (my_private_key, &fm->purpose,
- &fm->signature));
+ GNUNET_CRYPTO_eddsa_sign (my_private_key,
+ &fm->purpose,
+ &fm->signature));
else
- memset (&fm->signature, 0, sizeof (fm->signature));
+ memset (&fm->signature,
+ 0,
+ sizeof (fm->signature));
}
struct NSEPeerEntry *peer_entry = value;
struct GNUNET_TIME_Relative delay;
- if (NULL != peer_entry->th)
- {
- peer_entry->previous_round = GNUNET_NO;
- return GNUNET_OK;
- }
if (NULL != peer_entry->transmit_task)
{
GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
}
#if ENABLE_NSE_HISTOGRAM
if (peer_entry->received_messages > 1)
- GNUNET_STATISTICS_update(stats, "# extra messages",
- peer_entry->received_messages - 1, GNUNET_NO);
+ GNUNET_STATISTICS_update(stats,
+ "# extra messages",
+ peer_entry->received_messages - 1,
+ GNUNET_NO);
peer_entry->transmitted_messages = 0;
peer_entry->last_transmitted_size = 0;
peer_entry->received_messages = 0;
#endif
delay =
- get_transmit_delay ((peer_entry->previous_round == GNUNET_NO) ? -1 : 0);
+ get_transmit_delay ((GNUNET_NO == peer_entry->previous_round) ? -1 : 0);
peer_entry->transmit_task =
- GNUNET_SCHEDULER_add_delayed (delay, &transmit_task_cb, peer_entry);
+ GNUNET_SCHEDULER_add_delayed (delay,
+ &transmit_task_cb,
+ peer_entry);
return GNUNET_OK;
}
* Update our flood message to be sent (and our timestamps).
*
* @param cls unused
- * @param tc context for this message
*/
static void
-update_flood_message (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+update_flood_message (void *cls)
{
struct GNUNET_TIME_Relative offset;
unsigned int i;
flood_task = NULL;
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
offset = GNUNET_TIME_absolute_get_remaining (next_timestamp);
if (0 != offset.rel_value_us)
{
/* somehow run early, delay more */
flood_task =
- GNUNET_SCHEDULER_add_delayed (offset, &update_flood_message, NULL);
+ GNUNET_SCHEDULER_add_delayed (offset,
+ &update_flood_message,
+ NULL);
return;
}
estimate_index = (estimate_index + 1) % HISTORY_SIZE;
current_timestamp = next_timestamp;
next_timestamp =
GNUNET_TIME_absolute_add (current_timestamp, gnunet_nse_interval);
- if ((current_timestamp.abs_value_us ==
- GNUNET_TIME_absolute_ntoh (next_message.timestamp).abs_value_us) &&
- (get_matching_bits (current_timestamp, &my_identity) <
- ntohl(next_message.matching_bits)))
+ if ( (current_timestamp.abs_value_us ==
+ GNUNET_TIME_absolute_ntoh (next_message.timestamp).abs_value_us) &&
+ (get_matching_bits (current_timestamp, &my_identity) <
+ ntohl(next_message.matching_bits)) )
{
/* we received a message for this round way early, use it! */
size_estimate_messages[estimate_index] = next_message;
htonl (1 + ntohl (next_message.hop_count));
}
else
- setup_flood_message (estimate_index, current_timestamp);
+ setup_flood_message (estimate_index,
+ current_timestamp);
next_message.matching_bits = htonl (0); /* reset for 'next' round */
hop_count_max = 0;
for (i = 0; i < HISTORY_SIZE; i++)
- hop_count_max =
- GNUNET_MAX (ntohl (size_estimate_messages[i].hop_count), hop_count_max);
+ hop_count_max = GNUNET_MAX (ntohl (size_estimate_messages[i].hop_count),
+ hop_count_max);
GNUNET_CONTAINER_multipeermap_iterate (peers,
&schedule_current_round,
NULL);
flood_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
- (next_timestamp), &update_flood_message,
+ (next_timestamp),
+ &update_flood_message,
NULL);
}
unsigned int hash_count;
hash_count = 0;
- while (0 == GNUNET_CRYPTO_hash_get_bit (hash, hash_count))
+ while (0 == GNUNET_CRYPTO_hash_get_bit (hash,
+ hash_count))
hash_count++;
return hash_count;
}
sizeof (val)] GNUNET_ALIGN;
struct GNUNET_HashCode result;
- memcpy (buf, &val, sizeof (val));
- memcpy (&buf[sizeof (val)], pkey,
- sizeof (struct GNUNET_CRYPTO_EddsaPublicKey));
- pow_hash (buf, sizeof (buf), &result);
+ GNUNET_memcpy (buf,
+ &val,
+ sizeof (val));
+ GNUNET_memcpy (&buf[sizeof (val)],
+ pkey,
+ sizeof (struct GNUNET_CRYPTO_EddsaPublicKey));
+ pow_hash (buf,
+ sizeof (buf),
+ &result);
return (count_leading_zeroes (&result) >=
nse_work_required) ? GNUNET_YES : GNUNET_NO;
}
char *proof;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, "NSE", "PROOFFILE", &proof))
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "NSE",
+ "PROOFFILE",
+ &proof))
return;
if (sizeof (my_proof) !=
- GNUNET_DISK_fn_write (proof, &my_proof, sizeof (my_proof),
+ GNUNET_DISK_fn_write (proof,
+ &my_proof,
+ sizeof (my_proof),
GNUNET_DISK_PERM_USER_READ |
GNUNET_DISK_PERM_USER_WRITE))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "write", proof);
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
+ "write",
+ proof);
GNUNET_free (proof);
-
}
* Find our proof of work.
*
* @param cls closure (unused)
- * @param tc task context
*/
static void
-find_proof (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+find_proof (void *cls)
{
#define ROUND_SIZE 10
uint64_t counter;
unsigned int i;
proof_task = NULL;
- memcpy (&buf[sizeof (uint64_t)], &my_identity,
+ GNUNET_memcpy (&buf[sizeof (uint64_t)], &my_identity,
sizeof (struct GNUNET_PeerIdentity));
i = 0;
counter = my_proof;
while ((counter != UINT64_MAX) && (i < ROUND_SIZE))
{
- memcpy (buf, &counter, sizeof (uint64_t));
+ GNUNET_memcpy (buf, &counter, sizeof (uint64_t));
pow_hash (buf, sizeof (buf), &result);
if (nse_work_required <= count_leading_zeroes (&result))
{
}
if (my_proof / (100 * ROUND_SIZE) < counter / (100 * ROUND_SIZE))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Testing proofs currently at %llu\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Testing proofs currently at %llu\n",
(unsigned long long) counter);
/* remember progress every 100 rounds */
my_proof = counter;
struct NSEPeerEntry *peer_entry = value;
struct GNUNET_TIME_Relative delay;
- if (NULL != peer_entry->th)
- return GNUNET_OK; /* already active */
if (peer_entry == exclude)
return GNUNET_OK; /* trigger of the update */
- if (peer_entry->previous_round == GNUNET_NO)
+ if (GNUNET_NO == peer_entry->previous_round)
{
/* still stuck in previous round, no point to update, check that
* we are active here though... */
- if ( (NULL == peer_entry->transmit_task) &&
- (NULL == peer_entry->th) )
+ if (NULL == peer_entry->transmit_task)
{
- GNUNET_break (0);
+ GNUNET_break (0);
}
return GNUNET_OK;
}
}
delay = get_transmit_delay (0);
peer_entry->transmit_task =
- GNUNET_SCHEDULER_add_delayed (delay, &transmit_task_cb, peer_entry);
+ GNUNET_SCHEDULER_add_delayed (delay,
+ &transmit_task_cb, peer_entry);
return GNUNET_OK;
}
/**
* Core handler for size estimate flooding messages.
*
- * @param cls closure unused
- * @param message message
- * @param peer peer identity this message is from (ignored)
+ * @param cls peer this message is from
+ * @param incoming_flood received message
*/
-static int
-handle_p2p_size_estimate (void *cls,
- const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message)
+static void
+handle_p2p_estimate (void *cls,
+ const struct GNUNET_NSE_FloodMessage *incoming_flood)
{
- const struct GNUNET_NSE_FloodMessage *incoming_flood;
+ struct NSEPeerEntry *peer_entry = cls;
struct GNUNET_TIME_Absolute ts;
- struct NSEPeerEntry *peer_entry;
uint32_t matching_bits;
unsigned int idx;
GNUNET_BIO_write_int64 (histogram, t);
}
#endif
- incoming_flood = (const struct GNUNET_NSE_FloodMessage *) message;
- GNUNET_STATISTICS_update (stats, "# flood messages received", 1, GNUNET_NO);
+ GNUNET_STATISTICS_update (stats,
+ "# flood messages received",
+ 1,
+ GNUNET_NO);
matching_bits = ntohl (incoming_flood->matching_bits);
#if DEBUG_NSE
{
GNUNET_snprintf (origin,
sizeof (origin),
- "%4s",
+ "%s",
GNUNET_i2s (&incoming_flood->origin));
GNUNET_snprintf (pred,
sizeof (pred),
- "%4s",
- GNUNET_i2s (peer));
+ "%s",
+ GNUNET_i2s (peer_entry->id));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Flood at %s from `%s' via `%s' at `%s' with bits %u\n",
GNUNET_STRINGS_absolute_time_to_string (GNUNET_TIME_absolute_ntoh (incoming_flood->timestamp)),
- origin, pred, GNUNET_i2s (&my_identity),
+ origin,
+ pred,
+ GNUNET_i2s (&my_identity),
(unsigned int) matching_bits);
}
#endif
- peer_entry = GNUNET_CONTAINER_multipeermap_get (peers, peer);
- if (NULL == peer_entry)
- {
- GNUNET_break (0);
- return GNUNET_OK;
- }
#if ENABLE_NSE_HISTOGRAM
peer_entry->received_messages++;
if (peer_entry->transmitted_messages > 0 &&
peer_entry->last_transmitted_size >= matching_bits)
- GNUNET_STATISTICS_update(stats, "# cross messages", 1, GNUNET_NO);
+ GNUNET_STATISTICS_update(stats,
+ "# cross messages",
+ 1,
+ GNUNET_NO);
#endif
ts = GNUNET_TIME_absolute_ntoh (incoming_flood->timestamp);
else if (ts.abs_value_us == next_timestamp.abs_value_us)
{
if (matching_bits <= ntohl (next_message.matching_bits))
- return GNUNET_OK; /* ignore, simply too early/late */
- if (GNUNET_YES != verify_message_crypto (incoming_flood))
+ return; /* ignore, simply too early/late */
+ if (GNUNET_YES !=
+ verify_message_crypto (incoming_flood))
{
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Peer %s is likely ill-configured!\n",
+ GNUNET_i2s (peer_entry->id));
GNUNET_break_op (0);
- return GNUNET_OK;
+ return;
}
next_message = *incoming_flood;
- return GNUNET_OK;
+ return;
}
else
{
GNUNET_STATISTICS_update (stats,
"# flood messages discarded (clock skew too large)",
1, GNUNET_NO);
- return GNUNET_OK;
+ return;
}
- if (0 == (memcmp (peer, &my_identity, sizeof (struct GNUNET_PeerIdentity))))
+ if (0 == (memcmp (peer_entry->id,
+ &my_identity,
+ sizeof (struct GNUNET_PeerIdentity))))
{
/* send to self, update our own estimate IF this also comes from us! */
if (0 ==
memcmp (&incoming_flood->origin,
&my_identity, sizeof (my_identity)))
update_network_size_estimate ();
- return GNUNET_OK;
+ return;
}
- if (matching_bits == ntohl (size_estimate_messages[idx].matching_bits))
+ if (matching_bits ==
+ ntohl (size_estimate_messages[idx].matching_bits))
{
/* Cancel transmission in the other direction, as this peer clearly has
up-to-date information already. Even if we didn't talk to this peer in
{
/* do not transmit information for the previous round to this peer
anymore (but allow current round) */
- return GNUNET_OK;
+ return;
}
/* got up-to-date information for current round, cancel transmission to
* this peer altogether */
GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
peer_entry->transmit_task = NULL;
}
- if (NULL != peer_entry->th)
- {
- GNUNET_CORE_notify_transmit_ready_cancel (peer_entry->th);
- peer_entry->th = NULL;
- }
- return GNUNET_OK;
+ return;
}
if (matching_bits < ntohl (size_estimate_messages[idx].matching_bits))
{
- if ((idx < estimate_index) && (peer_entry->previous_round == GNUNET_YES)) {
+ if ( (idx < estimate_index) &&
+ (peer_entry->previous_round == GNUNET_YES))
+ {
peer_entry->previous_round = GNUNET_NO;
}
/* push back our result now, that peer is spreading bad information... */
- if (NULL == peer_entry->th)
- {
- if (peer_entry->transmit_task != NULL)
- GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
- peer_entry->transmit_task =
- GNUNET_SCHEDULER_add_now (&transmit_task_cb, peer_entry);
- }
+ if (NULL != peer_entry->transmit_task)
+ GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
+ peer_entry->transmit_task
+ = GNUNET_SCHEDULER_add_now (&transmit_task_cb,
+ peer_entry);
/* Not closer than our most recent message, no need to do work here */
GNUNET_STATISTICS_update (stats,
"# flood messages ignored (had closer already)",
- 1, GNUNET_NO);
- return GNUNET_OK;
+ 1,
+ GNUNET_NO);
+ return;
}
- if (GNUNET_YES != verify_message_crypto (incoming_flood))
+ if (GNUNET_YES !=
+ verify_message_crypto (incoming_flood))
{
GNUNET_break_op (0);
- return GNUNET_OK;
+ return;
}
GNUNET_assert (matching_bits >
ntohl (size_estimate_messages[idx].matching_bits));
peer_entry->previous_round = GNUNET_YES;
if (idx == estimate_index)
{
- /* cancel any activity for current round */
- if (peer_entry->transmit_task != NULL)
- {
- GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
- peer_entry->transmit_task = NULL;
- }
- if (peer_entry->th != NULL)
- {
- GNUNET_CORE_notify_transmit_ready_cancel (peer_entry->th);
- peer_entry->th = NULL;
- }
+ /* cancel any activity for current round */
+ if (NULL != peer_entry->transmit_task)
+ {
+ GNUNET_SCHEDULER_cancel (peer_entry->transmit_task);
+ peer_entry->transmit_task = NULL;
+ }
}
size_estimate_messages[idx] = *incoming_flood;
size_estimate_messages[idx].hop_count =
htonl (ntohl (incoming_flood->hop_count) + 1);
hop_count_max =
- GNUNET_MAX (ntohl (incoming_flood->hop_count) + 1, hop_count_max);
+ GNUNET_MAX (ntohl (incoming_flood->hop_count) + 1,
+ hop_count_max);
GNUNET_STATISTICS_set (stats,
"# estimated network diameter",
hop_count_max, GNUNET_NO);
update_network_size_estimate ();
/* flood to rest */
- GNUNET_CONTAINER_multipeermap_iterate (peers, &update_flood_times,
+ GNUNET_CONTAINER_multipeermap_iterate (peers,
+ &update_flood_times,
peer_entry);
- return GNUNET_OK;
}
* @param cls closure
* @param peer peer identity this notification is about
*/
-static void
+static void *
handle_core_connect (void *cls,
- const struct GNUNET_PeerIdentity *peer)
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_MQ_Handle *mq)
{
struct NSEPeerEntry *peer_entry;
+ uint64_t flags;
+ const void *extra;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer `%s' connected to us\n",
GNUNET_i2s (peer));
+ /* set our default transmission options */
+ extra = GNUNET_CORE_get_mq_options (GNUNET_NO,
+ NSE_PRIORITY,
+ &flags);
+ GNUNET_MQ_set_options (mq,
+ flags,
+ extra);
+ /* create our peer entry for this peer */
peer_entry = GNUNET_new (struct NSEPeerEntry);
- peer_entry->id = *peer;
+ peer_entry->id = peer;
+ peer_entry->mq = mq;
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (peers,
- peer,
+ peer_entry->id,
peer_entry,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
peer_entry->transmit_task =
"# peers connected",
1,
GNUNET_NO);
+ return peer_entry;
}
*
* @param cls closure
* @param peer peer identity this notification is about
+ * @parma internal_cls the `struct NSEPeerEntry` for the @a peer
*/
static void
handle_core_disconnect (void *cls,
- const struct GNUNET_PeerIdentity *peer)
+ const struct GNUNET_PeerIdentity *peer,
+ void *internal_cls)
{
- struct NSEPeerEntry *pos;
+ struct NSEPeerEntry *pos = internal_cls;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Peer `%s' disconnected from us\n",
GNUNET_i2s (peer));
- pos = GNUNET_CONTAINER_multipeermap_get (peers, peer);
- if (NULL == pos)
- {
- GNUNET_break (0);
- return;
- }
GNUNET_assert (GNUNET_YES ==
- GNUNET_CONTAINER_multipeermap_remove (peers, peer,
+ GNUNET_CONTAINER_multipeermap_remove (peers,
+ peer,
pos));
- if (pos->transmit_task != NULL) {
+ if (NULL != pos->transmit_task)
+ {
GNUNET_SCHEDULER_cancel (pos->transmit_task);
pos->transmit_task = NULL;
}
- if (NULL != pos->th)
- {
- GNUNET_CORE_notify_transmit_ready_cancel (pos->th);
- pos->th = NULL;
- }
GNUNET_free (pos);
- GNUNET_STATISTICS_update (stats, "# peers connected", -1, GNUNET_NO);
+ GNUNET_STATISTICS_update (stats,
+ "# peers connected",
+ -1,
+ GNUNET_NO);
}
* Task run during shutdown.
*
* @param cls unused
- * @param tc unused
*/
static void
-shutdown_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task (void *cls)
{
if (NULL != flood_task)
{
}
if (NULL != nc)
{
- GNUNET_SERVER_notification_context_destroy (nc);
+ GNUNET_notification_context_destroy (nc);
nc = NULL;
}
if (NULL != core_api)
{
- GNUNET_CORE_disconnect (core_api);
+ GNUNET_CORE_disconnecT (core_api);
core_api = NULL;
}
if (NULL != stats)
}
if (NULL != lh)
{
- struct GNUNET_TIME_Relative timeout;
- timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30);
- GNUNET_TESTBED_LOGGER_flush (lh, timeout, &flush_comp_cb, NULL);
+ GNUNET_TESTBED_LOGGER_flush (lh,
+ &flush_comp_cb,
+ NULL);
}
if (NULL != histogram)
{
if (NULL == identity)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Connection to core FAILED!\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Connection to core FAILED!\n");
GNUNET_SCHEDULER_shutdown ();
return;
}
GNUNET_assert (0 ==
- memcmp (&my_identity, identity,
+ memcmp (&my_identity,
+ identity,
sizeof (struct GNUNET_PeerIdentity)));
now = GNUNET_TIME_absolute_get ();
current_timestamp.abs_value_us =
(now.abs_value_us / gnunet_nse_interval.rel_value_us) *
gnunet_nse_interval.rel_value_us;
next_timestamp =
- GNUNET_TIME_absolute_add (current_timestamp, gnunet_nse_interval);
+ GNUNET_TIME_absolute_add (current_timestamp,
+ gnunet_nse_interval);
estimate_index = HISTORY_SIZE - 1;
estimate_count = 0;
- if (GNUNET_YES == check_proof_of_work (&my_identity.public_key, my_proof))
+ if (GNUNET_YES ==
+ check_proof_of_work (&my_identity.public_key,
+ my_proof))
{
int idx = (estimate_index + HISTORY_SIZE - 1) % HISTORY_SIZE;
prev_time.abs_value_us =
current_timestamp.abs_value_us - gnunet_nse_interval.rel_value_us;
- setup_flood_message (idx, prev_time);
- setup_flood_message (estimate_index, current_timestamp);
+ setup_flood_message (idx,
+ prev_time);
+ setup_flood_message (estimate_index,
+ current_timestamp);
estimate_count++;
}
flood_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
- (next_timestamp), &update_flood_message,
+ (next_timestamp),
+ &update_flood_message,
NULL);
}
+
#if ENABLE_NSE_HISTOGRAM
/**
* Function called with the status of the testbed logger service
*
* @param cls NULL
- * @param status GNUNET_YES if the service is running,
- * GNUNET_NO if the service is not running
- * GNUNET_SYSERR if the configuration is invalid
+ * @param status #GNUNET_YES if the service is running,
+ * #GNUNET_NO if the service is not running
+ * #GNUNET_SYSERR if the configuration is invalid
*/
static void
-status_cb (void *cls, int status)
+status_cb (void *cls,
+ int status)
{
logger_test = NULL;
if (GNUNET_YES != status)
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Testbed logger not running\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Testbed logger not running\n");
return;
}
if (NULL == (lh = GNUNET_TESTBED_LOGGER_connect (cfg)))
* Handle network size estimate clients.
*
* @param cls closure
- * @param server the initialized server
* @param c configuration to use
+ * @param service the initialized service
*/
static void
run (void *cls,
- struct GNUNET_SERVER_Handle *server,
- const struct GNUNET_CONFIGURATION_Handle *c)
+ const struct GNUNET_CONFIGURATION_Handle *c,
+ struct GNUNET_SERVICE_Handle *service)
{
- static const struct GNUNET_SERVER_MessageHandler handlers[] = {
- {&handle_start_message, NULL, GNUNET_MESSAGE_TYPE_NSE_START,
- sizeof (struct GNUNET_MessageHeader)},
- {NULL, NULL, 0, 0}
- };
- static const struct GNUNET_CORE_MessageHandler core_handlers[] = {
- {&handle_p2p_size_estimate, GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD,
- sizeof (struct GNUNET_NSE_FloodMessage)},
- {NULL, 0, 0}
+ struct GNUNET_MQ_MessageHandler core_handlers[] = {
+ GNUNET_MQ_hd_fixed_size (p2p_estimate,
+ GNUNET_MESSAGE_TYPE_NSE_P2P_FLOOD,
+ struct GNUNET_NSE_FloodMessage,
+ NULL),
+ GNUNET_MQ_handler_end ()
};
char *proof;
struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
cfg = c;
- srv = server;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_time (cfg, "NSE", "INTERVAL",
+ GNUNET_CONFIGURATION_get_value_time (cfg,
+ "NSE",
+ "INTERVAL",
&gnunet_nse_interval))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE", "INTERVAL");
+ "NSE",
+ "INTERVAL");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_time (cfg, "NSE", "WORKDELAY",
+ GNUNET_CONFIGURATION_get_value_time (cfg,
+ "NSE",
+ "WORKDELAY",
&proof_find_delay))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE", "WORKDELAY");
+ "NSE",
+ "WORKDELAY");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "NSE", "WORKBITS",
+ GNUNET_CONFIGURATION_get_value_number (cfg,
+ "NSE",
+ "WORKBITS",
&nse_work_required))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE", "WORKBITS");
+ "NSE",
+ "WORKBITS");
GNUNET_SCHEDULER_shutdown ();
return;
}
char *histogram_fn;
if (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_filename (cfg, "NSE", "HISTOGRAM_DIR",
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "NSE",
+ "HISTOGRAM_DIR",
&histogram_dir))
{
- GNUNET_assert (0 < GNUNET_asprintf (&histogram_fn, "%s/timestamps",
+ GNUNET_assert (0 < GNUNET_asprintf (&histogram_fn,
+ "%s/timestamps",
histogram_dir));
GNUNET_free (histogram_dir);
histogram = GNUNET_BIO_write_open (histogram_fn);
- GNUNET_free (histogram_fn);
if (NULL == histogram)
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to open histogram file\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ "Unable to open histogram file `%s'\n",
+ histogram_fn);
+ GNUNET_free (histogram_fn);
}
logger_test =
- GNUNET_CLIENT_service_test ("testbed-logger", cfg,
+ GNUNET_CLIENT_service_test ("testbed-logger",
+ cfg,
GNUNET_TIME_UNIT_SECONDS,
- &status_cb, NULL);
+ &status_cb,
+ NULL);
}
#endif
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
- NULL);
+ GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
+ NULL);
pk = GNUNET_CRYPTO_eddsa_key_create_from_configuration (cfg);
GNUNET_assert (NULL != pk);
my_private_key = pk;
GNUNET_CRYPTO_eddsa_key_get_public (my_private_key,
- &my_identity.public_key);
+ &my_identity.public_key);
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, "NSE", "PROOFFILE", &proof))
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "NSE",
+ "PROOFFILE",
+ &proof))
{
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "NSE", "PROOFFILE");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "NSE",
+ "PROOFFILE");
GNUNET_free (my_private_key);
my_private_key = NULL;
GNUNET_SCHEDULER_shutdown ();
}
if ((GNUNET_YES != GNUNET_DISK_file_test (proof)) ||
(sizeof (my_proof) !=
- GNUNET_DISK_fn_read (proof, &my_proof, sizeof (my_proof))))
+ GNUNET_DISK_fn_read (proof,
+ &my_proof,
+ sizeof (my_proof))))
my_proof = 0;
GNUNET_free (proof);
proof_task =
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
- &find_proof, NULL);
+ &find_proof,
+ NULL);
- peers = GNUNET_CONTAINER_multipeermap_create (128, GNUNET_NO);
- GNUNET_SERVER_add_handlers (srv, handlers);
- nc = GNUNET_SERVER_notification_context_create (srv, 1);
+ peers = GNUNET_CONTAINER_multipeermap_create (128,
+ GNUNET_YES);
+ nc = GNUNET_notification_context_create (1);
/* Connect to core service and register core handlers */
- core_api = GNUNET_CORE_connect (cfg, /* Main configuration */
- NULL, /* Closure passed to functions */
- &core_init, /* Call core_init once connected */
- &handle_core_connect, /* Handle connects */
- &handle_core_disconnect, /* Handle disconnects */
- NULL, /* Don't want notified about all incoming messages */
- GNUNET_NO, /* For header only inbound notification */
- NULL, /* Don't want notified about all outbound messages */
- GNUNET_NO, /* For header only outbound notification */
- core_handlers); /* Register these handlers */
+ core_api = GNUNET_CORE_connecT (cfg, /* Main configuration */
+ NULL, /* Closure passed to functions */
+ &core_init, /* Call core_init once connected */
+ &handle_core_connect, /* Handle connects */
+ &handle_core_disconnect, /* Handle disconnects */
+ core_handlers); /* Register these handlers */
if (NULL == core_api)
{
GNUNET_SCHEDULER_shutdown ();
return;
}
- stats = GNUNET_STATISTICS_create ("nse", cfg);
+ stats = GNUNET_STATISTICS_create ("nse",
+ cfg);
}
/**
- * The main function for the network size estimation service.
+ * Callback called when a client connects to the service.
*
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
+ * @param cls closure for the service
+ * @param c the new client that connected to the service
+ * @param mq the message queue used to send messages to the client
+ * @return @a c
+ */
+static void *
+client_connect_cb (void *cls,
+ struct GNUNET_SERVICE_Client *c,
+ struct GNUNET_MQ_Handle *mq)
+{
+ return c;
+}
+
+
+/**
+ * Callback called when a client disconnected from the service
+ *
+ * @param cls closure for the service
+ * @param c the client that disconnected
+ * @param internal_cls should be equal to @a c
*/
-int
-main (int argc,
- char *const *argv)
+static void
+client_disconnect_cb (void *cls,
+ struct GNUNET_SERVICE_Client *c,
+ void *internal_cls)
{
- return (GNUNET_OK ==
- GNUNET_SERVICE_run (argc, argv, "nse", GNUNET_SERVICE_OPTION_NONE,
- &run, NULL)) ? 0 : 1;
+ GNUNET_assert (c == internal_cls);
}
+/**
+ * Define "main" method using service macro.
+ */
+GNUNET_SERVICE_MAIN
+("nse",
+ GNUNET_SERVICE_OPTION_NONE,
+ &run,
+ &client_connect_cb,
+ &client_disconnect_cb,
+ NULL,
+ GNUNET_MQ_hd_fixed_size (start,
+ GNUNET_MESSAGE_TYPE_NSE_START,
+ struct GNUNET_MessageHeader,
+ NULL),
+ GNUNET_MQ_handler_end ());
+
+
#if defined(LINUX) && defined(__GLIBC__)
#include <malloc.h>