* @author Christian Grothoff
* @author Nathan Evans
*
+ * TODO: Currently the final hop of a DV message assigns a 0 to the receiver
+ * id field. This probably can't work(!) even if we know that the peer is
+ * a direct neighbor (unless we can trust that transport will choose that
+ * address for the peer). So the DV message will likely need to have the
+ * peer identity of the recipient.
+ *
+ * Also the gossip rates need to be worked out. Probably many other things
+ * as well.
+ *
*/
#include "platform.h"
#include "gnunet_client_lib.h"
/**
- * Pending message struct, also a test to see if these can
- * safely ONLY be freed by callback.
+ * Linked list of messages to send to clients.
*/
struct PendingMessage
{
/**
- * Copy of message to be sent
+ * Pointer to next item in the list
*/
- struct GNUNET_MessageHeader *msg;
+ struct PendingMessage *next;
/**
- * Size of message to be sent
+ * Pointer to previous item in the list
*/
- size_t msg_size;
+ struct PendingMessage *prev;
/**
- * Transmit handle, for cancellation if necessary.
+ * Actual message to be sent; // avoid allocation
*/
- struct GNUNET_CORE_TransmitHandle *transmit_handle;
+ const struct GNUNET_MessageHeader *msg; // msg = (cast) &pm[1]; // memcpy (&pm[1], data, len);
};
+/**
+ * Transmit handle to the plugin.
+ */
+struct GNUNET_CONNECTION_TransmitHandle * plugin_transmit_handle;
+
+/**
+ * Head of DLL for client messages
+ */
+struct PendingMessage *plugin_pending_head;
+
+/**
+ * Tail of DLL for client messages
+ */
+struct PendingMessage *plugin_pending_tail;
+
+
+/**
+ * Transmit handle to core service.
+ */
+struct GNUNET_CORE_TransmitHandle * core_transmit_handle;
+
+/**
+ * Head of DLL for core messages
+ */
+struct PendingMessage *core_pending_head;
+
+/**
+ * Tail of DLL for core messages
+ */
+struct PendingMessage *core_pending_tail;
+
+
+
/**
* Context created whenever a direct peer connects to us,
/**
* Identity of distant neighbor.
*/
- struct GNUNET_PeerIdentity *distant_peer;
+ struct GNUNET_PeerIdentity distant_peer;
/**
* Identity of direct neighbor, via which we send this message.
};
+struct DV_SendContext
+{
+ /**
+ * The distant peer (should always match)
+ */
+ struct GNUNET_PeerIdentity *distant_peer;
+
+ /**
+ * The direct peer, we need to verify the referrer of.
+ */
+ struct GNUNET_PeerIdentity *direct_peer;
+
+ /**
+ * The message to be sent
+ */
+ struct GNUNET_MessageHeader *message;
+
+ /**
+ * The size of the message being sent, may be larger
+ * than message->header.size because it's multiple
+ * messages packed into one!
+ */
+ size_t message_size;
+
+ /**
+ * How important is this message?
+ */
+ unsigned int importance;
+
+ /**
+ * Timeout for this message
+ */
+ struct GNUNET_TIME_Relative timeout;
+};
+
/**
* Global construct
*/
size_t transmit_to_plugin (void *cls,
size_t size, void *buf)
{
- struct GNUNET_DV_MessageReceived *msg = cls;
- int msize;
+ char *cbuf = buf;
+ struct PendingMessage *reply;
+ size_t off;
+ size_t msize;
if (buf == NULL)
- return 0;
-
+ {
+ /* client disconnected */
#if DEBUG_DV
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s: Transmit to plugin sending message of type %d!\n", "dv", ntohs(msg->header.type));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "`%s': buffer was NULL\n", "DHT");
+#endif
+ return 0;
+ }
+ plugin_transmit_handle = NULL;
+ off = 0;
+ while ( (NULL != (reply = plugin_pending_head)) &&
+ (size >= off + (msize = ntohs (reply->msg->size))))
+ {
+#if DEBUG_DV
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "`%s' : transmit_notify (plugin) called with size %d\n", "dv service", msize);
#endif
+ GNUNET_CONTAINER_DLL_remove (plugin_pending_head,
+ plugin_pending_tail,
+ reply);
+ memcpy (&cbuf[off], reply->msg, msize);
+ GNUNET_free (reply);
+ off += msize;
+ }
- msize = ntohs(msg->header.size);
- GNUNET_assert(size >= msize);
+ if (plugin_pending_head != NULL)
+ plugin_transmit_handle = GNUNET_SERVER_notify_transmit_ready (client_handle,
+ ntohs(plugin_pending_head->msg->size),
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &transmit_to_plugin, NULL);
- memcpy(buf, msg, msize);
- /* FIXME: this causes crash? GNUNET_free(msg);*/
- return msize;
+ return off;
}
size_t cost)
{
struct GNUNET_DV_MessageReceived *received_msg;
+ struct PendingMessage *pending_message;
#if DEBUG_DV
struct GNUNET_MessageHeader * packed_message_header;
struct GNUNET_HELLO_Message *hello_msg;
char *packed_msg_start;
int size;
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "send_to_plugin called with peer %s as sender\n", GNUNET_i2s(distant_neighbor));
+#endif
+
if (memcmp(sender, distant_neighbor, sizeof(struct GNUNET_PeerIdentity)) != 0)
{
sender_address_len = sizeof(struct GNUNET_PeerIdentity) * 2;
received_msg->distance = htonl(cost);
received_msg->msg_len = htons(message_size);
/* Set the sender in this message to be the original sender! */
- memcpy(&received_msg->sender, &distant_neighbor, sizeof(struct GNUNET_PeerIdentity));
+ memcpy(&received_msg->sender, distant_neighbor, sizeof(struct GNUNET_PeerIdentity));
/* Copy the intermediate sender to the end of the message, this is how the transport identifies this peer */
memcpy(&received_msg[1], sender_address, sender_address_len);
GNUNET_free(sender_address);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Packed HELLO message is about peer %s\n", GNUNET_i2s(&hello_identity));
}
#endif
+ pending_message = GNUNET_malloc(sizeof(struct PendingMessage) + size);
+ pending_message->msg = (struct GNUNET_MessageHeader *)&pending_message[1];
+ memcpy(&pending_message[1], received_msg, size);
+ GNUNET_free(received_msg);
+
+ GNUNET_CONTAINER_DLL_insert_after(plugin_pending_head, plugin_pending_tail, plugin_pending_tail, pending_message);
+
if (client_handle != NULL)
{
- GNUNET_SERVER_notify_transmit_ready (client_handle,
- size, client_transmit_timeout,
- &transmit_to_plugin, received_msg);
+ if (plugin_transmit_handle == NULL)
+ {
+ plugin_transmit_handle = GNUNET_SERVER_notify_transmit_ready (client_handle,
+ size, GNUNET_TIME_UNIT_FOREVER_REL,
+ &transmit_to_plugin, NULL);
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failed to queue message for plugin, must be one in progress already!!\n");
+ }
}
-
}
size_t core_transmit_notify (void *cls,
size_t size, void *buf)
{
- struct PendingMessage *pending_message = cls;
- size_t ssize;
+ char *cbuf = buf;
+ struct PendingMessage *reply;
+ size_t off;
+ size_t msize;
if (buf == NULL)
{
- /* FIXME: error handling: try again? free pending_message? */
+ /* client disconnected */
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "`%s': buffer was NULL\n", "DHT");
+#endif
return 0;
}
- ssize = pending_message->msg_size;
- GNUNET_assert(size >= ssize);
- memcpy(buf, pending_message->msg, ssize);
- GNUNET_free(pending_message->msg);
- GNUNET_free(pending_message);
- return ssize;
+
+ core_transmit_handle = NULL;
+ off = 0;
+ while ( (NULL != (reply = core_pending_head)) &&
+ (size >= off + (msize = ntohs (reply->msg->size))))
+ {
+#if DEBUG_DV
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "`%s' : transmit_notify (core) called with size %d\n", "dv service", msize);
+#endif
+ GNUNET_CONTAINER_DLL_remove (core_pending_head,
+ core_pending_tail,
+ reply);
+ memcpy (&cbuf[off], reply->msg, msize);
+ GNUNET_free (reply);
+ off += msize;
+ }
+ return off;
+}
+
+
+/**
+ * Send a DV data message via DV.
+ *
+ * @param sender the original sender of the message
+ * @param specific_neighbor the specific DistantNeighbor to use, complete with referrer!
+ * @param message the packed message
+ * @param importance what priority to send this message with
+ * @param timeout how long to possibly delay sending this message
+ */
+static int
+send_message_via (const struct GNUNET_PeerIdentity * sender,
+ const struct DistantNeighbor * specific_neighbor,
+ struct DV_SendContext *send_context)
+{
+ p2p_dv_MESSAGE_Data *toSend;
+ unsigned int msg_size;
+ unsigned int cost;
+ unsigned int recipient_id;
+ unsigned int sender_id;
+ struct DistantNeighbor *source;
+ struct PendingMessage *pending_message;
+#if DEBUG_DV
+ char shortname[5];
+#endif
+
+ msg_size = send_context->message_size + sizeof (p2p_dv_MESSAGE_Data);
+
+ if (specific_neighbor == NULL)
+ {
+ /* target unknown to us, drop! */
+ return GNUNET_SYSERR;
+ }
+ recipient_id = specific_neighbor->referrer_id;
+
+ source = GNUNET_CONTAINER_multihashmap_get (ctx.extended_neighbors,
+ &sender->hashPubKey);
+ if (source == NULL)
+ {
+ if (0 != (memcmp (&my_identity,
+ sender, sizeof (struct GNUNET_PeerIdentity))))
+ {
+ /* sender unknown to us, drop! */
+ return GNUNET_SYSERR;
+ }
+ sender_id = 0; /* 0 == us */
+ }
+ else
+ {
+ /* find out the number that we use when we gossip about
+ the sender */
+ sender_id = source->our_id;
+ }
+
+ cost = specific_neighbor->cost;
+ pending_message = GNUNET_malloc(sizeof(struct PendingMessage) + msg_size);
+ pending_message->msg = (struct GNUNET_MessageHeader *)&pending_message[1];
+ toSend = (p2p_dv_MESSAGE_Data *)pending_message->msg;
+ toSend->header.size = htons (msg_size);
+ toSend->header.type = htons (GNUNET_MESSAGE_TYPE_DV_DATA);
+ toSend->sender = htonl (sender_id);
+ toSend->recipient = htonl (recipient_id);
+ memcpy (&toSend[1], send_context->message, send_context->message_size);
+
+#if DEBUG_DV
+ memcpy(&shortname, GNUNET_i2s(&specific_neighbor->identity), 4);
+ shortname[4] = '\0';
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s: Notifying core of send to destination `%s' via `%s' size %u\n", "DV", &shortname, GNUNET_i2s(&specific_neighbor->referrer->identity), msg_size);
+#endif
+
+ GNUNET_CONTAINER_DLL_insert_after (core_pending_head,
+ core_pending_tail,
+ core_pending_tail,
+ pending_message);
+ if (core_transmit_handle == NULL)
+ core_transmit_handle = GNUNET_CORE_notify_transmit_ready(coreAPI, send_context->importance, send_context->timeout, &specific_neighbor->referrer->identity, msg_size, &core_transmit_notify, NULL);
+ else
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "`%s': Failed to schedule pending transmission (must be one in progress!)\n", "dv service");
+
+ return (int) cost;
}
+
/**
* Send a DV data message via DV.
*
* @param recipient the ultimate recipient of this message
* @param sender the original sender of the message
+ * @param specific_neighbor the specific neighbor to send this message via
* @param message the packed message
* @param importance what priority to send this message with
* @param timeout how long to possibly delay sending this message
static int
send_message (const struct GNUNET_PeerIdentity * recipient,
const struct GNUNET_PeerIdentity * sender,
+ const struct DistantNeighbor * specific_neighbor,
const struct GNUNET_MessageHeader * message,
+ size_t message_size,
unsigned int importance, struct GNUNET_TIME_Relative timeout)
{
p2p_dv_MESSAGE_Data *toSend;
struct DistantNeighbor *source;
struct PendingMessage *pending_message;
- msg_size = ntohs (message->size) + sizeof (p2p_dv_MESSAGE_Data);
+ msg_size = message_size + sizeof (p2p_dv_MESSAGE_Data);
target = GNUNET_CONTAINER_multihashmap_get (ctx.extended_neighbors,
&recipient->hashPubKey);
}
cost = target->cost;
- pending_message = GNUNET_malloc(sizeof(struct PendingMessage));
- pending_message->msg = GNUNET_malloc (msg_size);
+ pending_message = GNUNET_malloc(sizeof(struct PendingMessage) + msg_size);
+ pending_message->msg = (struct GNUNET_MessageHeader *)&pending_message[1];
toSend = (p2p_dv_MESSAGE_Data *)pending_message->msg;
toSend->header.size = htons (msg_size);
toSend->header.type = htons (GNUNET_MESSAGE_TYPE_DV_DATA);
toSend->sender = htonl (sender_id);
toSend->recipient = htonl (recipient_id);
- memcpy (&toSend[1], message, ntohs (message->size));
- pending_message->msg_size = msg_size;
+ memcpy (&toSend[1], message, message_size);
- pending_message->transmit_handle = GNUNET_CORE_notify_transmit_ready(coreAPI, importance, timeout, &target->referrer->identity, msg_size, &core_transmit_notify, pending_message);
- if (NULL == pending_message->transmit_handle)
- {
- GNUNET_free (pending_message->msg);
- GNUNET_free (pending_message);
- return GNUNET_SYSERR;
- }
+ GNUNET_CONTAINER_DLL_insert_after (core_pending_head,
+ core_pending_tail,
+ core_pending_tail,
+ pending_message);
+#if DEBUG_DV
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "%s: Notifying core of send size %d to destination `%s'\n", "DV SEND MESSAGE", msg_size, GNUNET_i2s(recipient));
+#endif
+ if (core_transmit_handle == NULL)
+ core_transmit_handle = GNUNET_CORE_notify_transmit_ready(coreAPI, importance, timeout, &target->referrer->identity, msg_size, &core_transmit_notify, NULL);
- /*coreAPI->ciphertext_send (&target->referrer->identity,
- &toSend->header, importance, maxdelay);*/
return (int) cost;
}
struct GNUNET_TIME_Relative latency,
uint32_t distance)
{
-#if DEBUG_DV
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s: Receives %s message!\n", "dv", "DV DATA");
-#endif
-
const p2p_dv_MESSAGE_Data *incoming = (const p2p_dv_MESSAGE_Data *) message;
- const struct GNUNET_MessageHeader *packed_message = (const struct GNUNET_MessageHeader *) &incoming[1];
+ const struct GNUNET_MessageHeader *packed_message;
struct DirectNeighbor *dn;
struct DistantNeighbor *pos;
unsigned int sid; /* Sender id */
struct GNUNET_PeerIdentity destination;
struct FindDestinationContext fdc;
int ret;
+ size_t packed_message_size;
+ char *cbuf;
+ size_t offset;
+
+ packed_message_size = ntohs(incoming->header.size) - sizeof(p2p_dv_MESSAGE_Data);
- if ((ntohs (incoming->header.size) <
- sizeof (p2p_dv_MESSAGE_Data) + sizeof (struct GNUNET_MessageHeader))
- || (ntohs (incoming->header.size) !=
- (sizeof (p2p_dv_MESSAGE_Data) + ntohs (packed_message->size))))
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: Receives %s message size %d, packed message size %d!\n", "dv", "DV DATA", ntohs(incoming->header.size), packed_message_size);
+#endif
+ if (ntohs (incoming->header.size) < sizeof (p2p_dv_MESSAGE_Data) + sizeof (struct GNUNET_MessageHeader))
{
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "`%s': Message sizes don't add up, total size %u, expected at least %u!\n", "dv service", ntohs(incoming->header.size), sizeof (p2p_dv_MESSAGE_Data) + sizeof (struct GNUNET_MessageHeader));
+#endif
return GNUNET_SYSERR;
}
&peer->hashPubKey);
if (dn == NULL)
{
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: dn NULL!\n", "dv");
+#endif
return GNUNET_OK;
}
sid = ntohl (incoming->sender);
pos = pos->next;
if (pos == NULL)
{
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: unknown sender (%d), size of extended_peers is %d!\n", "dv", ntohl(incoming->sender), GNUNET_CONTAINER_multihashmap_size (ctx.extended_neighbors));
+#endif
/* unknown sender */
return GNUNET_OK;
}
{
/* 0 == us */
- /* FIXME: Will we support wrapped messages being these types? Probably not, they should
- * be encrypted messages that need decrypting and junk like that.
- */
- GNUNET_break_op (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_GOSSIP);
- GNUNET_break_op (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_DATA);
- if ( (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_GOSSIP) &&
- (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_DATA) )
- {
- send_to_plugin(peer, packed_message, ntohs(packed_message->size), &pos->identity, pos->cost);
- }
+ cbuf = (char *)&incoming[1];
+ offset = 0;
+ while(offset < packed_message_size)
+ {
+ packed_message = (struct GNUNET_MessageHeader *)&cbuf[offset];
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: Receives %s message for me, size %d type %d!\n", "dv", "DV DATA", ntohs(packed_message->size), ntohs(packed_message->type));
+#endif
+ GNUNET_break_op (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_GOSSIP);
+ GNUNET_break_op (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_DATA);
+ if ( (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_GOSSIP) &&
+ (ntohs (packed_message->type) != GNUNET_MESSAGE_TYPE_DV_DATA) )
+ {
+ send_to_plugin(peer, packed_message, ntohs(packed_message->size), &pos->identity, pos->cost);
+ }
+ offset += ntohs(packed_message->size);
+ }
return GNUNET_OK;
}
+ else
+ {
+ packed_message = (struct GNUNET_MessageHeader *)&incoming[1];
+ }
/* FIXME: this is the *only* per-request operation we have in DV
that is O(n) in relation to the number of connected peers; a
fdc.dest = NULL;
GNUNET_CONTAINER_heap_iterate (ctx.neighbor_max_heap,
&find_destination, &fdc);
+
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: Receives %s message for someone else!\n", "dv", "DV DATA");
+#endif
+
if (fdc.dest == NULL)
{
return GNUNET_OK;
if (0 == memcmp (&destination, peer, sizeof (struct GNUNET_PeerIdentity)))
{
/* FIXME: create stat: routing loop-discard! */
+#if DEBUG_DV
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "\n\n\nLoopy loo message\n\n\n");
+#endif
return GNUNET_OK;
}
/*ret = send_message (&destination,
&original_sender,
packed_message, DV_PRIORITY, DV_DELAY);*/
- ret = send_message(&destination, &original_sender, packed_message, default_dv_priority, default_dv_delay);
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: Sends message size %d on!\n", "dv", packed_message_size);
+#endif
+ ret = send_message(&destination, &original_sender, NULL, packed_message, packed_message_size, default_dv_priority, default_dv_delay);
if (ret != GNUNET_SYSERR)
return GNUNET_OK;
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct NeighborSendContext *send_context = cls;
-#if DEBUG_DV
+#if DEBUG_DV_GOSSIP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%s: Entering neighbor_send_task...\n",
GNUNET_i2s(&my_identity));
char * encPeerAbout;
char * encPeerTo;
- struct GNUNET_PeerIdentity about_peer_id;
#endif
struct DistantNeighbor *about;
struct DirectNeighbor *to;
if (tc->reason == GNUNET_SCHEDULER_REASON_SHUTDOWN)
{
-#if DEBUG_DV
+#if DEBUG_DV_GOSSIP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%s: Called with reason shutdown, shutting down!\n",
GNUNET_i2s(&my_identity));
&to->identity, sizeof (struct GNUNET_PeerIdentity))) &&
(about->pkey != NULL))
{
-#if DEBUG_DV
+#if DEBUG_DV_GOSSIP
encPeerAbout = GNUNET_strdup(GNUNET_i2s(&about->identity));
encPeerTo = GNUNET_strdup(GNUNET_i2s(&to->identity));
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
GNUNET_free(encPeerAbout);
GNUNET_free(encPeerTo);
#endif
- pending_message = GNUNET_malloc(sizeof(struct PendingMessage));
- pending_message->msg = GNUNET_malloc(sizeof(p2p_dv_MESSAGE_NeighborInfo));
+ pending_message = GNUNET_malloc(sizeof(struct PendingMessage) + sizeof(p2p_dv_MESSAGE_NeighborInfo));
+ pending_message->msg = (struct GNUNET_MessageHeader *)&pending_message[1];
message = (p2p_dv_MESSAGE_NeighborInfo *)pending_message->msg;
message->header.size = htons (sizeof (p2p_dv_MESSAGE_NeighborInfo));
message->header.type = htons (GNUNET_MESSAGE_TYPE_DV_GOSSIP);
memcpy (&message->neighbor,
&about->identity, sizeof (struct GNUNET_PeerIdentity));
-#if DEBUG_DV
- GNUNET_CRYPTO_hash (about->pkey,
- sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &about_peer_id.hashPubKey);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Peer id from message %s\n", GNUNET_i2s(&about->identity));
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Peer id from pubkey %s\n", GNUNET_i2s(&about_peer_id));
-#endif
+ GNUNET_CONTAINER_DLL_insert_after (core_pending_head,
+ core_pending_tail,
+ core_pending_tail,
+ pending_message);
- pending_message->msg_size = sizeof(p2p_dv_MESSAGE_NeighborInfo);
- pending_message->transmit_handle = GNUNET_CORE_notify_transmit_ready(coreAPI, default_dv_priority, default_dv_delay, &to->identity, sizeof(p2p_dv_MESSAGE_NeighborInfo), &core_transmit_notify, pending_message);
+ if (core_transmit_handle == NULL)
+ core_transmit_handle = GNUNET_CORE_notify_transmit_ready(coreAPI, default_dv_priority, default_dv_delay, &to->identity, sizeof(p2p_dv_MESSAGE_NeighborInfo), &core_transmit_notify, NULL);
- if (NULL == pending_message->transmit_handle)
- {
- GNUNET_free (pending_message->msg);
- GNUNET_free (pending_message);
- return;
- }
- /*coreAPI->ciphertext_send (&to->identity, &message.header,
- GNUNET_DV_DHT_GOSSIP_PRIORITY,
- ctx.send_interval);*/
}
send_context->task = GNUNET_SCHEDULER_add_delayed(sched, send_context->timeout, &neighbor_send_task, send_context);
}
+/**
+ * Iterate over hash map entries for a distant neighbor,
+ * if direct neighbor matches context call send message
+ *
+ * @param cls closure, a DV_SendContext
+ * @param key current key code
+ * @param value value in the hash map
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
+ */
+int send_iterator (void *cls,
+ const GNUNET_HashCode * key,
+ void *value)
+{
+ struct DV_SendContext *send_context = cls;
+ struct DistantNeighbor *distant_neighbor = value;
+
+ if (memcmp(distant_neighbor->referrer, send_context->direct_peer, sizeof(struct GNUNET_PeerIdentity)) == 0) /* They match, send and free */
+ {
+ send_message_via(&my_identity, distant_neighbor, send_context);
+ return GNUNET_NO;
+ }
+ return GNUNET_YES;
+}
+
/**
* Service server's handler for message send requests (which come
* bubbling up to us through the DV plugin).
struct GNUNET_DV_SendMessage *send_msg;
size_t address_len;
size_t message_size;
-#if DEBUG_DV
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s: Receives %s message!\n\n\n", "dv", "SEND");
-#endif
+ struct GNUNET_PeerIdentity *destination;
+ struct GNUNET_PeerIdentity *direct;
+ struct GNUNET_MessageHeader *message_buf;
+ char *temp_pos;
+ int offset;
+ static struct GNUNET_CRYPTO_HashAsciiEncoded dest_hash;
+ struct DV_SendContext *send_context;
+
if (client_handle == NULL)
{
client_handle = client;
GNUNET_assert(ntohs(message->size) > sizeof(struct GNUNET_DV_SendMessage));
send_msg = (struct GNUNET_DV_SendMessage *)message;
+
address_len = ntohs(send_msg->addrlen);
+ GNUNET_assert(address_len == sizeof(struct GNUNET_PeerIdentity) * 2);
message_size = ntohs(send_msg->msgbuf_size);
+
+#if DEBUG_DV
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "%s: Receives %s message size %u!\n\n\n", "dv", "SEND", message_size);
+#endif
GNUNET_assert(ntohs(message->size) == sizeof(struct GNUNET_DV_SendMessage) + address_len + message_size);
+ destination = GNUNET_malloc(sizeof(struct GNUNET_PeerIdentity));
+ direct = GNUNET_malloc(sizeof(struct GNUNET_PeerIdentity));
+ message_buf = GNUNET_malloc(message_size);
+
+ temp_pos = (char *)&send_msg[1]; /* Set pointer to end of message */
+ offset = 0; /* Offset starts at zero */
+
+ memcpy(destination, &temp_pos[offset], sizeof(struct GNUNET_PeerIdentity));
+ offset += sizeof(struct GNUNET_PeerIdentity);
+
+ memcpy(direct, &temp_pos[offset], sizeof(struct GNUNET_PeerIdentity));
+ offset += sizeof(struct GNUNET_PeerIdentity);
+
+
+ memcpy(message_buf, &temp_pos[offset], message_size);
+ if (memcmp(&send_msg->target, destination, sizeof(struct GNUNET_PeerIdentity)) != 0)
+ {
+ GNUNET_CRYPTO_hash_to_enc (&destination->hashPubKey, &dest_hash); /* GNUNET_i2s won't properly work, need to hash one ourselves */
+ dest_hash.encoding[4] = '\0';
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "%s: asked to send message to `%s', but address is for `%s'!", "DV SERVICE", GNUNET_i2s(&send_msg->target), (const char *)&dest_hash.encoding);
+ }
#if DEBUG_DV
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "DV SEND called with message of size %d, address size %d\n", message_size, address_len);
+ GNUNET_CRYPTO_hash_to_enc (&destination->hashPubKey, &dest_hash); /* GNUNET_i2s won't properly work, need to hash one ourselves */
+ dest_hash.encoding[4] = '\0';
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "DV SEND called with message of size %d type %d, destination `%s' via `%s'\n", message_size, ntohs(message_buf->type), (const char *)&dest_hash.encoding, GNUNET_i2s(direct));
#endif
-/* How this was created, opposite to get data */
- /*
- msg = GNUNET_malloc(sizeof(struct GNUNET_DV_SendMessage) + addrlen + msgbuf_size);
- msg->header.size = htons(sizeof(struct GNUNET_DV_SendMessage) + addrlen + msgbuf_size);
- msg->header.type = htons(GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND);
- memcpy(&msg->target, target, sizeof(struct GNUNET_PeerIdentity));
- msg->msgbuf_size = htons(msgbuf_size);
- msg->priority = htonl(priority);
- msg->timeout = timeout;
- msg->addrlen = htons(addrlen);
- memcpy(&msg[1], addr, addrlen);
- end_of_message = (char *)&msg[1];
- end_of_message = &end_of_message[addrlen];
- memcpy(end_of_message, msgbuf, msgbuf_size);
- */
+ send_context = GNUNET_malloc(sizeof(struct DV_SendContext));
+
+ send_context->importance = ntohs(send_msg->priority);
+ send_context->timeout = send_msg->timeout;
+ send_context->direct_peer = direct;
+ send_context->distant_peer = destination;
+ send_context->message = message_buf;
+ send_context->message_size = message_size;
+
+ /* In bizarro world GNUNET_SYSERR indicates that we succeeded */
+ if (GNUNET_SYSERR != GNUNET_CONTAINER_multihashmap_get_multiple(ctx.extended_neighbors, &destination->hashPubKey, &send_iterator, send_context))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "DV SEND failed to send message to destination `%s' via `%s'\n", (const char *)&dest_hash.encoding, GNUNET_i2s(direct));
+ }
+
+ GNUNET_free(message_buf);
+ GNUNET_free(send_context);
+ GNUNET_free(direct);
+ GNUNET_free(destination);
+
GNUNET_SERVER_receive_done(client, GNUNET_OK);
}
{NULL, 0, 0}
};
-
-#if DEBUG_DV
-static void handle_any(void *cls,
- struct GNUNET_SERVER_Client * client,
- const struct GNUNET_MessageHeader * message)
-{
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "\n\n\n\n\n\nDV service receives message of type %d, size %d\n\n\n\n\n\n", ntohs(message->type), ntohs(message->size));
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
-}
-#endif
-
-
static struct GNUNET_SERVER_MessageHandler plugin_handlers[] = {
{&handle_dv_send_message, NULL, GNUNET_MESSAGE_TYPE_TRANSPORT_DV_SEND, 0},
{&handle_start, NULL, GNUNET_MESSAGE_TYPE_DV_START, 0},
-#if DEBUG_DV
- {&handle_any, NULL, GNUNET_MESSAGE_TYPE_ALL, 0},
-#endif
{NULL, NULL, 0, 0}
};
shutdown_task (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+#if DEBUG_DV
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "calling CORE_DISCONNECT\n");
+#endif
GNUNET_CORE_disconnect (coreAPI);
+#if DEBUG_DV
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "CORE_DISCONNECT completed\n");
+#endif
}
/**
{
struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *pkey = cls;
struct DistantNeighbor *distant_neighbor = value;
-#if DEBUG_DV
- struct GNUNET_PeerIdentity about_peer_id;
-#endif
if (distant_neighbor->pkey == NULL)
{
distant_neighbor->pkey = GNUNET_malloc(sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded));
memcpy(distant_neighbor->pkey, pkey, sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded));
-#if DEBUG_DV
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Updating pkey for extended list for peer %s\n", GNUNET_i2s(&distant_neighbor->identity));
- GNUNET_CRYPTO_hash (distant_neighbor->pkey,
- sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &about_peer_id.hashPubKey);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Peer id from setup %s\n", GNUNET_i2s(&distant_neighbor->identity));
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Peer id from pkey %s\n", GNUNET_i2s(&about_peer_id));
-#endif
}
return GNUNET_YES;
}
+#if DEBUG_DV_GOSSIP
+/**
+ * Iterator over hash map entries.
+ *
+ * @param cls closure (NULL)
+ * @param key current key code
+ * @param value value in the hash map (DistantNeighbor)
+ * @return GNUNET_YES if we should continue to
+ * iterate,
+ * GNUNET_NO if not.
+ */
+int print_neighbors (void *cls,
+ const GNUNET_HashCode * key,
+ void *value)
+{
+ struct DistantNeighbor *distant_neighbor = value;
+ char my_shortname[5];
+ char referrer_shortname[5];
+ memcpy(&my_shortname, GNUNET_i2s(&my_identity), 4);
+ my_shortname[4] = '\0';
+ memcpy(&referrer_shortname, GNUNET_i2s(&distant_neighbor->referrer->identity), 4);
+ referrer_shortname[4] = '\0';
+
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "`%s' %s: Peer `%s', distance %d, referrer `%s'\n", &my_shortname, "DV", GNUNET_i2s(&distant_neighbor->identity), distant_neighbor->cost, &referrer_shortname);
+ return GNUNET_YES;
+}
+
+#endif
+
/**
* Handles when a peer is either added due to being newly connected
* or having been gossiped about, also called when the cost for a neighbor
}
else
{
-#if DEBUG_DV
+#if DEBUG_DV_GOSSIP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%s: Already know peer %s distance %d, referrer id %d!\n", "dv", GNUNET_i2s(peer), cost, referrer_peer_id);
#endif
}
-#if DEBUG_DV
+#if DEBUG_DV_GOSSIP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%s: Size of extended_neighbors is %d\n", "dv", GNUNET_CONTAINER_multihashmap_size(ctx.extended_neighbors));
+ GNUNET_CONTAINER_multihashmap_iterate(ctx.extended_neighbors, &print_neighbors, NULL);
#endif
GNUNET_free(neighbor_update);
/* Old logic to remove entry and replace, not needed now as we only want to remove when full
* or when the referring peer disconnects from us.
+ *
+ * FIXME: add new functionality, or check if it already exists (i forget)
*/
/*
GNUNET_DLL_remove (neighbor->referrer->referee_head,
addr_buffer = GNUNET_malloc(size);
offset = 0;
/* Copy the distant peer identity to buffer */
- memcpy(addr_buffer, hello_context->distant_peer, sizeof(struct GNUNET_PeerIdentity));
+ memcpy(addr_buffer, &hello_context->distant_peer, sizeof(struct GNUNET_PeerIdentity));
offset += sizeof(struct GNUNET_PeerIdentity);
/* Copy the direct peer identity to buffer */
memcpy(&addr_buffer[offset], hello_context->direct_peer, sizeof(struct GNUNET_PeerIdentity));
hello_context->addresses_to_add--;
+ GNUNET_free(addr_buffer);
return ret;
}
return GNUNET_SYSERR; /* invalid message */
}
-#if DEBUG_DV
+#if DEBUG_DV_GOSSIP
char * encPeerAbout;
char * encPeerFrom;
hello_context = GNUNET_malloc(sizeof(struct HelloContext));
hello_context->direct_peer = peer;
- hello_context->distant_peer = &enc_message->neighbor;
+ memcpy(&hello_context->distant_peer, &enc_message->neighbor, sizeof(struct GNUNET_PeerIdentity));
hello_context->addresses_to_add = 1;
hello_msg = GNUNET_HELLO_create(&enc_message->pkey, &generate_hello_address, hello_context);
-
hello_hdr = GNUNET_HELLO_get_header(hello_msg);
-#if DEBUG_DV
+#if DEBUG_DV_GOSSIP
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"%s: Sending %s message to plugin, type is %d, size %d!\n", "dv", "HELLO", ntohs(hello_hdr->type), ntohs(hello_hdr->size));
#endif
- send_to_plugin(hello_context->direct_peer, GNUNET_HELLO_get_header(hello_msg), GNUNET_HELLO_size(hello_msg), hello_context->distant_peer, ntohl(enc_message->cost) + 1);
+ send_to_plugin(hello_context->direct_peer, GNUNET_HELLO_get_header(hello_msg), GNUNET_HELLO_size(hello_msg), &hello_context->distant_peer, ntohl(enc_message->cost) + 1);
+ GNUNET_free(hello_context);
+ GNUNET_free(hello_msg);
return GNUNET_OK;
}
struct PeerIteratorContext *peerinfo_iterator = cls;
struct DirectNeighbor *neighbor = peerinfo_iterator->neighbor;
-#if DEBUG_DV
- struct GNUNET_PeerIdentity about_peer_id;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "%s: process_peerinfo called!\n", "dv");
-#endif
-
if ((peer == NULL))/* && (neighbor->pkey == NULL))*/
{
/* FIXME: Remove peer! */
+ GNUNET_free(peerinfo_iterator);
return;
}
if ((hello != NULL) && (GNUNET_HELLO_get_key (hello, &neighbor->pkey) == GNUNET_OK))
{
-#if DEBUG_DV
- GNUNET_CRYPTO_hash (&neighbor->pkey,
- sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &about_peer_id.hashPubKey);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "(peerinfo) Peer id from setup %s\n", GNUNET_i2s(&neighbor->identity));
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "(peerinfo) Peer id from hello %s\n", GNUNET_i2s(&about_peer_id));
-#endif
-
GNUNET_CONTAINER_multihashmap_get_multiple(ctx.extended_neighbors,
&peer->hashPubKey,
&add_pkey_to_extended,
struct GNUNET_CONFIGURATION_Handle *cfg;
struct GNUNET_TRANSPORT_Handle *th;
struct GNUNET_PeerIdentity id;
+ const char *cfg_file;
+ const struct GNUNET_HELLO_Message *hello;
#if START_ARM
pid_t arm_pid;
#endif
end ()
{
/* do work here */
- GNUNET_assert (ok == 6);
GNUNET_SCHEDULER_cancel (sched, die_task);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transport 1!\n");
GNUNET_TRANSPORT_disconnect (p1.th);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transport 2!\n");
GNUNET_TRANSPORT_disconnect (p2.th);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transport 3!\n");
GNUNET_TRANSPORT_disconnect (p3.th);
die_task = GNUNET_SCHEDULER_NO_TASK;
stop_arm (struct PeerContext *p)
{
#if START_ARM
- if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
- GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+ p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-arm",
+ "gnunet-arm",
+#if VERBOSE
+ "-L", "DEBUG",
+#endif
+ "-c", p->cfg_file, "-e", NULL);
+
GNUNET_OS_process_wait (p->arm_pid);
#endif
GNUNET_CONFIGURATION_destroy (p->cfg);
}
+static void
+restart_transport (struct PeerContext *p)
+{
+#if START_ARM
+ p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-arm",
+ "gnunet-arm",
+#if VERBOSE
+ "-L", "DEBUG",
+#endif
+ "-c", p->cfg_file, "-k", "transport", NULL);
+
+ fprintf(stderr, "stop arm command returned %d\n", p->arm_pid);
+ GNUNET_OS_process_wait (p->arm_pid);
+#endif
+
+#if START_ARM
+ p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-arm",
+ "gnunet-arm",
+#if VERBOSE
+ "-L", "DEBUG",
+#endif
+ "-c", p->cfg_file, "-i", "transport", NULL);
+
+ GNUNET_OS_process_wait (p->arm_pid);
+#endif
+}
+
+
static void
end_badly ()
{
if (ntohs(message->type) != MTYPE)
return;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received message of type %d from peer (%p)!\n",
- ntohs(message->type), cls);
-
- GNUNET_assert (ok == 5);
- OKPP;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received message of type %d from peer (%p) distance %d!\n",
+ ntohs(message->type), cls, distance);
GNUNET_assert (MTYPE == ntohs (message->type));
GNUNET_assert (sizeof (struct GNUNET_MessageHeader) ==
ntohs (message->size));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received message from peer (%p)!\n",
- cls);
end ();
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Transmitting message to peer (%p) - %u!\n", cls, size);
GNUNET_assert (size >= 256);
- GNUNET_assert (ok == 4);
- OKPP;
+
if (buf != NULL)
{
hdr = buf;
struct GNUNET_TIME_Relative latency,
uint32_t distance)
{
+ int peer_num = 0;
+ int connect_num = 0;
+
+ if (cls == &p1)
+ peer_num = 1;
+ else if (cls == &p2)
+ peer_num = 2;
+ else if (cls == &p3)
+ peer_num = 3;
+
+ if (memcmp(peer, &p1.id, sizeof(struct GNUNET_PeerIdentity)) == 0)
+ connect_num = 1;
+ else if (memcmp(peer, &p2.id, sizeof(struct GNUNET_PeerIdentity)) == 0)
+ connect_num = 2;
+ else if (memcmp(peer, &p3.id, sizeof(struct GNUNET_PeerIdentity)) == 0)
+ connect_num = 3;
+
if ((cls == &p1) && (memcmp(peer, &p3.id, sizeof(struct GNUNET_PeerIdentity)) == 0))
{
+
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer 1 notified about connection to peer 3!\n", GNUNET_i2s (peer), cls);
- GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
+ "Peer 1 notified about connection to peer 3, distance %d!\n", GNUNET_i2s (peer), cls, distance);
+
+ GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
&p3.id,
256, 0, TIMEOUT, ¬ify_ready,
&p1);
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer `%4s' connected to us (%p)!\n", GNUNET_i2s (peer), cls);
+ "Peer `%d' connected to peer `%d' distance %d!\n", peer_num, connect_num, distance);
}
setup_peer (struct PeerContext *p, const char *cfgname)
{
p->cfg = GNUNET_CONFIGURATION_create ();
+ p->cfg_file = strdup(cfgname);
#if START_ARM
- p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
- "gnunet-service-arm",
+ p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-arm",
+ "gnunet-arm",
#if VERBOSE_ARM
"-L", "DEBUG",
#endif
- "-c", cfgname, NULL);
+ "-c", cfgname, "-s", NULL);
#endif
GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
- p->th = GNUNET_TRANSPORT_connect (sched, p->cfg,
+ /*p->th = GNUNET_TRANSPORT_connect (sched, p->cfg,
p,
¬ify_receive,
- ¬ify_connect, ¬ify_disconnect);
- GNUNET_assert (p->th != NULL);
+ ¬ify_connect, ¬ify_disconnect);*/
+ /*GNUNET_assert (p->th != NULL);*/
+}
+
+
+static void
+exchange_hello_last (void *cls,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct PeerContext *me = cls;
+
+ GNUNET_TRANSPORT_get_hello_cancel (p3.th, &exchange_hello_last, me);
+
+ GNUNET_assert (message != NULL);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
+ message, &me->id));
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received HELLO size %d\n", GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message));
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Finished exchanging HELLOs, now waiting for transmission!\n");
+
}
GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_next, me);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Exchanging HELLO with peer (%p)!\n", cls);
- GNUNET_assert (ok >= 3);
- OKPP;
+
GNUNET_assert (message != NULL);
GNUNET_assert (GNUNET_OK ==
GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
GNUNET_TRANSPORT_offer_hello (p3.th, message);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Finished exchanging HELLOs, now waiting for transmission!\n");
+ GNUNET_TRANSPORT_get_hello (p3.th, &exchange_hello_last, &p3);
+
}
struct PeerContext *me = cls;
GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, me);
+ p2.th = GNUNET_TRANSPORT_connect (sched, p2.cfg,
+ &p2,
+ ¬ify_receive,
+ ¬ify_connect, ¬ify_disconnect);
+
+ GNUNET_assert(p2.th != NULL);
+
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Exchanging HELLO with peer (%p)!\n", cls);
- GNUNET_assert (ok >= 2);
- OKPP;
+
GNUNET_assert (message != NULL);
GNUNET_assert (GNUNET_OK ==
GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_next, &p2);
}
+static void
+blacklist_setup_third (void *cls,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct PeerContext *me = cls;
+ char *blacklist_filename;
+ struct GNUNET_DISK_FileHandle *file;
+ struct GNUNET_CRYPTO_HashAsciiEncoded peer_enc;
+ char *buf;
+ size_t size;
+
+ GNUNET_TRANSPORT_get_hello_cancel (p3.th, &blacklist_setup_third, &p3);
+
+ GNUNET_assert (message != NULL);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
+ message, &me->id));
+
+ GNUNET_asprintf(&blacklist_filename, "/tmp/test-gnunetd-transport-peer-1/blacklist");
+ if (blacklist_filename != NULL)
+ {
+ file = GNUNET_DISK_file_open(blacklist_filename, GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_TRUNCATE | GNUNET_DISK_OPEN_CREATE,
+ GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
+ GNUNET_free(blacklist_filename);
+
+ if (file == NULL)
+ {
+ GNUNET_SCHEDULER_cancel(sched, die_task);
+ GNUNET_SCHEDULER_add_now(sched, &end_badly, NULL);
+ return;
+ }
+ GNUNET_CRYPTO_hash_to_enc(&me->id.hashPubKey, &peer_enc);
+ size = GNUNET_asprintf(&buf, "%s:%s\n", "tcp", (char *)&peer_enc);
+ GNUNET_DISK_file_write(file, buf, size);
+ GNUNET_free_non_null(buf);
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Restarting transport service (%p) with gnunet-arm -c %s -L DEBUG -k transport!\n", cls, p1.cfg_file);
+
+ restart_transport(&p1);
+
+ p1.th = GNUNET_TRANSPORT_connect (sched, p1.cfg,
+ &p1,
+ ¬ify_receive,
+ ¬ify_connect, ¬ify_disconnect);
+
+ GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
+}
+
+static void
+blacklist_setup_first (void *cls,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct PeerContext *me = cls;
+ char *blacklist_filename;
+ struct GNUNET_DISK_FileHandle *file;
+ struct GNUNET_CRYPTO_HashAsciiEncoded peer_enc;
+ char *buf;
+ size_t size;
+
+ GNUNET_TRANSPORT_get_hello_cancel (p1.th, &blacklist_setup_first, me);
+ sleep(2);
+
+ GNUNET_assert (message != NULL);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
+ message, &me->id));
+
+ GNUNET_asprintf(&blacklist_filename, "/tmp/test-gnunetd-transport-peer-3/blacklist");
+ if (blacklist_filename != NULL)
+ {
+ file = GNUNET_DISK_file_open(blacklist_filename, GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_TRUNCATE | GNUNET_DISK_OPEN_CREATE,
+ GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
+ GNUNET_free(blacklist_filename);
+
+ if (file == NULL)
+ {
+ GNUNET_SCHEDULER_cancel(sched, die_task);
+ GNUNET_SCHEDULER_add_now(sched, &end_badly, NULL);
+ return;
+ }
+ GNUNET_CRYPTO_hash_to_enc(&me->id.hashPubKey, &peer_enc);
+ size = GNUNET_asprintf(&buf, "%s:%s\n", "tcp", (char *)&peer_enc);
+ GNUNET_DISK_file_write(file, buf, size);
+ GNUNET_free_non_null(buf);
+ }
+
+ GNUNET_TRANSPORT_disconnect(p1.th);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Restarting transport service (%p) with gnunet-arm -c %s -L DEBUG -k transport!\n", cls, p3.cfg_file);
+ restart_transport(&p3);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "reconnecting to transport (%p)!\n", cls);
+ p3.th = GNUNET_TRANSPORT_connect (sched, p3.cfg,
+ &p3,
+ ¬ify_receive,
+ ¬ify_connect, ¬ify_disconnect);
+ if (p3.th != NULL)
+ GNUNET_TRANSPORT_get_hello (p3.th, &blacklist_setup_third, &p3);
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "reconnecting to transport (%p) failed.!\n", cls);
+ //GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
+}
+
+
static void
run (void *cls,
struct GNUNET_SCHEDULER_Handle *s,
setup_peer (&p2, "test_transport_api_dv_peer2.conf");
setup_peer (&p3, "test_transport_api_dv_peer3.conf");
+ p1.th = GNUNET_TRANSPORT_connect (sched, p1.cfg,
+ &p1,
+ ¬ify_receive,
+ ¬ify_connect, ¬ify_disconnect);
GNUNET_assert(p1.th != NULL);
- GNUNET_assert(p2.th != NULL);
- GNUNET_assert(p3.th != NULL);
+ /*GNUNET_assert(p2.th != NULL);
+ GNUNET_assert(p3.th != NULL);*/
- GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
+ GNUNET_TRANSPORT_get_hello (p1.th, &blacklist_setup_first, &p1);
}
static int