/*
This file is part of GNUnet.
- (C) 2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
* @param fwd Was this a FWD going message?
* @param size Size of the message.
* @param wait Time spent waiting for core (only the time for THIS message)
+ *
+ * @return #GNUNET_YES if connection was destroyed, #GNUNET_NO otherwise.
*/
-typedef void (*GCP_sent) (void *cls,
+typedef int (*GCP_sent) (void *cls,
struct CadetConnection *c, int sent,
uint16_t type, uint32_t pid, int fwd, size_t size,
struct GNUNET_TIME_Relative wait);
* Free a transmission that was already queued with all resources
* associated to the request.
*
+ * If connection was marked to be destroyed, and this was the last queued
+ * message on it, the connection will be free'd as a result.
+ *
* @param queue Queue handler to cancel.
* @param clear_cls Is it necessary to free associated cls?
* @param sent Was it really sent? (Could have been canceled)
* @param pid PID, if relevant (was sent and was a payload message).
+ *
+ * @return #GNUNET_YES if connection was destroyed as a result,
+ * #GNUNET_NO otherwise.
*/
-void
+int
GCP_queue_destroy (struct CadetPeerQueue *queue, int clear_cls,
int sent, uint32_t pid);
/**
* Get the first message for a connection and unqueue it.
*
+ * Only tunnel (or higher) level messages are unqueued. Connection specific
+ * messages are silently destroyed upon encounter.
+ *
* @param peer Neighboring peer.
* @param c Connection.
+ * @param destroyed[in/out] Was the connection destroyed as a result?.
+ * Can NOT be NULL.
+ *
*
* @return First message for this connection.
*/
struct GNUNET_MessageHeader *
-GCP_connection_pop (struct CadetPeer *peer, struct CadetConnection *c);
+GCP_connection_pop (struct CadetPeer *peer,
+ struct CadetConnection *c,
+ int *destroyed);
+/**
+ * Unlock a possibly locked queue for a connection.
+ *
+ * If there is a message that can be sent on this connection, call core for it.
+ * Otherwise (if core transmit is already called or there is no sendable
+ * message) do nothing.
+ *
+ * @param peer Peer who keeps the queue.
+ * @param c Connection whose messages to unlock.
+ */
void
GCP_queue_unlock (struct CadetPeer *peer, struct CadetConnection *c);
* @param t Tunnel.
*/
void
-GCP_set_tunnel (struct CadetPeer *peer, struct CadetTunnel3 *t);
+GCP_set_tunnel (struct CadetPeer *peer, struct CadetTunnel *t);
+
/**
* Check whether there is a direct (core level) connection to peer.
int
GCP_is_neighbor (const struct CadetPeer *peer);
+
/**
* Create and initialize a new tunnel towards a peer, in case it has none.
*
void
GCP_add_tunnel (struct CadetPeer *peer);
+
/**
* Add a connection to a neighboring peer.
*
*
* @param peer Peer to add connection to.
* @param c Connection to add.
- *
- * @return GNUNET_OK on success.
+ * @param pred #GNUNET_YES if we are predecessor, #GNUNET_NO if we are successor
*/
-int
-GCP_add_connection (struct CadetPeer *peer, struct CadetConnection *c);
+void
+GCP_add_connection (struct CadetPeer *peer,
+ struct CadetConnection *c,
+ int pred);
+
/**
* Add the path to the peer and update the path used to reach it in case this
* NULL on error.
*/
struct CadetPeerPath *
-GCP_add_path (struct CadetPeer *peer, struct CadetPeerPath *p, int trusted);
+GCP_add_path (struct CadetPeer *peer,
+ struct CadetPeerPath *p,
+ int trusted);
+
/**
* Add the path to the origin peer and update the path used to reach it in case
void
GCP_add_path_to_all (const struct CadetPeerPath *p, int confirmed);
+
/**
* Remove any path to the peer that has the extact same peers as the one given.
*
* @param path Path to remove. Is always destroyed .
*/
void
-GCP_remove_path (struct CadetPeer *peer, struct CadetPeerPath *path);
+GCP_remove_path (struct CadetPeer *peer,
+ struct CadetPeerPath *path);
+
/**
* Remove a connection from a neighboring peer.
*
* @param peer Peer to remove connection from.
* @param c Connection to remove.
- *
- * @return GNUNET_OK on success.
*/
-int
-GCP_remove_connection (struct CadetPeer *peer, const struct CadetConnection *c);
+void
+GCP_remove_connection (struct CadetPeer *peer,
+ const struct CadetConnection *c);
+
/**
* Start the DHT search for new paths towards the peer: we don't have
void
GCP_start_search (struct CadetPeer *peer);
+
/**
* Stop the DHT search for new paths towards the peer: we already have
* enough good connections.
void
GCP_stop_search (struct CadetPeer *peer);
+
/**
* Get the Full ID of a peer.
*
const struct GNUNET_PeerIdentity *
GCP_get_id (const struct CadetPeer *peer);
+
/**
* Get the Short ID of a peer.
*
GNUNET_PEER_Id
GCP_get_short_id (const struct CadetPeer *peer);
+
/**
* Get the tunnel towards a peer.
*
*
* @return Tunnel towards peer.
*/
-struct CadetTunnel3 *
+struct CadetTunnel *
GCP_get_tunnel (const struct CadetPeer *peer);
+
/**
* Set the hello message.
*
* @param hello Hello message.
*/
void
-GCP_set_hello (struct CadetPeer *peer, const struct GNUNET_HELLO_Message *hello);
+GCP_set_hello (struct CadetPeer *peer,
+ const struct GNUNET_HELLO_Message *hello);
+
/**
* Get the hello message.
struct GNUNET_PeerIdentity *peer1,
struct GNUNET_PeerIdentity *peer2);
+
/**
* Count the number of known paths toward the peer.
*
unsigned int
GCP_count_paths (const struct CadetPeer *peer);
+
/**
* Iterate all known peers.
*
void
GCP_iterate_all (GNUNET_CONTAINER_PeerMapIterator iter, void *cls);
+
/**
* Get the static string for a peer ID.
*
GCP_2s (const struct CadetPeer *peer);
+/**
+ * Log all kinds of info about a peer.
+ *
+ * @param peer Peer.
+ */
+void
+GCP_debug (const struct CadetPeer *p,
+ enum GNUNET_ErrorType level);
+
+
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
projects / oweals / gnunet.git / blobdiff