misc train hacking

8 files changed, 40 insertions, 31 deletions

diff --git a/src/transport/gnunet-service-transport-new.c b/src/transport/gnunet-service-transport-new.c
index f4a39a1e6..4b1becacd 100644
--- a/src/transport/gnunet-service-transport-new.c
+++ b/src/transport/gnunet-service-transport-new.c
@@ -201,7 +201,8 @@ plugin_env_receive_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
     case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_CONNECT:
       (void) GST_blacklist_test_allowed (peer, NULL, &try_connect_if_allowed,
                                          NULL);
-      /* TODO: if 'session != NULL', maybe notify ATS that this is now the preferred
+      /* TODO: if 'session != NULL', and timestamp more recent than the
+         previous one, maybe notify ATS that this is now the preferred
        * way to communicate with this peer (other peer switched transport) */
       break;
     case GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_DISCONNECT:
diff --git a/src/transport/gnunet-service-transport_blacklist.c b/src/transport/gnunet-service-transport_blacklist.c
index 36abbf85c..a73aa17c1 100644
--- a/src/transport/gnunet-service-transport_blacklist.c
+++ b/src/transport/gnunet-service-transport_blacklist.c
@@ -547,7 +547,7 @@ struct TestConnectionContext
  * blacklisting client.
  *
  * @param cls the 'struct TestConnectionContest'
- * @param pid neighbour's identity
+ * @param neighbour neighbour's identity
  * @param ats performance data
  * @param ats_count number of entries in ats (excluding 0-termination)
  */
diff --git a/src/transport/gnunet-service-transport_clients.c b/src/transport/gnunet-service-transport_clients.c
index 8676f335e..7e519a547 100644
--- a/src/transport/gnunet-service-transport_clients.c
+++ b/src/transport/gnunet-service-transport_clients.c
@@ -228,7 +228,7 @@ transmit_to_client_callback (void *cls, size_t size, void *buf)
 /**
  * Queue the given message for transmission to the given client
  *
- * @param client target of the message
+ * @param tc target of the message
  * @param msg message to transmit
  * @param may_drop GNUNET_YES if the message can be dropped
  */
diff --git a/src/transport/gnunet-service-transport_neighbours.c b/src/transport/gnunet-service-transport_neighbours.c
index 9c6aaba67..6e3ee8a71 100644
--- a/src/transport/gnunet-service-transport_neighbours.c
+++ b/src/transport/gnunet-service-transport_neighbours.c
@@ -51,6 +51,32 @@
  */
 struct NeighbourMapEntry;
 
+/**
+ * Message a peer sends to another to indicate its
+ * preference for communicating via a particular
+ * session (and the desire to establish a real
+ * connection).
+ */
+struct SessionConnectMessage
+{
+  /**
+   * Header of type 'GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_CONNECT'
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Always zero.
+   */
+  uint32_t reserved GNUNET_PACKED;
+
+  /**
+   * Absolute time at the sender.  Only the most recent connect
+   * message implies which session is preferred by the sender.
+   */
+  struct GNUNET_TIME_AbsoluteNBO timestamp;
+
+};
+
 
 /**
  * For each neighbour we keep a list of messages
@@ -288,7 +314,7 @@ transmit_send_continuation (void *cls,
  * Check the ready list for the given neighbour and if a plugin is
  * ready for transmission (and if we have a message), do so!
  *
- * @param neighbour target peer for which to transmit
+ * @param n target peer for which to transmit
  */
 static void
 try_transmission_to_peer (struct NeighbourMapEntry *n)
@@ -520,7 +546,7 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
                                   *ats, uint32_t ats_count)
 {
   struct NeighbourMapEntry *n;
-  struct GNUNET_MessageHeader connect_msg;
+  struct SessionConnectMessage connect_msg;
 
   GNUNET_assert (neighbours != NULL);
 
@@ -555,8 +581,10 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
   n->timeout_task =
       GNUNET_SCHEDULER_add_delayed (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT,
                                     &neighbour_timeout_task, n);
-  connect_msg.size = htons (sizeof (struct GNUNET_MessageHeader));
-  connect_msg.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_CONNECT);
+  connect_msg.header.size = htons (sizeof (struct SessionConnectMessage));
+  connect_msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_SESSION_CONNECT);
+  connect_msg.reserved = htonl (0);
+  connect_msg.timestamp = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get ());
   GST_neighbours_send (peer, &connect_msg, sizeof (connect_msg),
                        GNUNET_TIME_UNIT_FOREVER_REL, NULL, NULL);
 }
@@ -570,6 +598,7 @@ GST_neighbours_switch_to_address (const struct GNUNET_PeerIdentity *peer,
  * @param plugin_name name of the plugin
  * @param plugin_address binary address
  * @param plugin_address_len length of address
+ * @param session session to use
  * @param bandwidth available bandwidth
  * @param ats performance data for the address (as far as known)
  * @param ats_count number of performance records in 'ats'
diff --git a/src/transport/gnunet-service-transport_plugins.c b/src/transport/gnunet-service-transport_plugins.c
index 12ee231c4..52fcf661d 100644
--- a/src/transport/gnunet-service-transport_plugins.c
+++ b/src/transport/gnunet-service-transport_plugins.c
@@ -87,7 +87,6 @@ static struct TransportPlugin *plugins_tail;
  *
  * @param recv_cb function to call when data is received
  * @param address_cb function to call when our public addresses changed
- * @param traffic_cb function to call for flow control
  * @param session_end_cb function to call when a session was terminated
  */
 void
diff --git a/src/transport/gnunet-service-transport_validation.c b/src/transport/gnunet-service-transport_validation.c
index 56b4037b4..57fa86260 100644
--- a/src/transport/gnunet-service-transport_validation.c
+++ b/src/transport/gnunet-service-transport_validation.c
@@ -335,9 +335,6 @@ validation_entry_match (void *cls, const GNUNET_HashCode * key, void *value)
  * @param public_key public key of the peer, NULL for unknown
  * @param neighbour which peer we care about
  * @param tname name of the transport plugin
- * @param session session to look for, NULL for 'any'; otherwise
- *        can be used for the service to "learn" this session ID
- *        if 'addr' matches
  * @param addr binary address
  * @param addrlen length of addr
  * @return validation entry matching the given specifications, NULL
@@ -425,7 +422,7 @@ add_valid_address (void *cls, const char *tname,
  * @param cls unused
  * @param peer id of the peer, NULL for last call
  * @param hello hello message for the peer (can be NULL)
- * @param error message
+ * @param err_msg error message
  */
 static void
 process_peerinfo_hello (void *cls, const struct GNUNET_PeerIdentity *peer,
@@ -1077,12 +1074,8 @@ iterate_addresses (void *cls, const GNUNET_HashCode * key, void *value)
  * Can either give a snapshot (synchronous API) or be continuous.
  *
  * @param target peer information is requested for
- * @param snapshot_only GNUNET_YES to iterate over addresses once, GNUNET_NO to
- *                      continue to give information about addresses as it evolves
  * @param cb function to call; will not be called after this function returns
- *                             if snapshot_only is GNUNET_YES
  * @param cb_cls closure for 'cb'
- * @return context to cancel, NULL if 'snapshot_only' is GNUNET_YES
  */
 void
 GST_validation_get_addresses (const struct GNUNET_PeerIdentity *target,
diff --git a/src/transport/gnunet-service-transport_validation.h b/src/transport/gnunet-service-transport_validation.h
index 1840c0919..06370161c 100644
--- a/src/transport/gnunet-service-transport_validation.h
+++ b/src/transport/gnunet-service-transport_validation.h
@@ -122,9 +122,7 @@ typedef void (*GST_ValidationAddressCallback) (void *cls,
  *
  * @param target peer information is requested for
  * @param cb function to call; will not be called after this function returns
- *                             if snapshot_only is GNUNET_YES
  * @param cb_cls closure for 'cb'
- * @return context to cancel, NULL if 'snapshot_only' is GNUNET_YES
  */
 void
 GST_validation_get_addresses (const struct GNUNET_PeerIdentity *target,
diff --git a/src/transport/plugin_transport_udp.c b/src/transport/plugin_transport_udp.c
index cced16ffd..3a69273c5 100644
--- a/src/transport/plugin_transport_udp.c
+++ b/src/transport/plugin_transport_udp.c
@@ -335,19 +335,8 @@ udp_disconnect (void *cls, const struct GNUNET_PeerIdentity *target)
  * Actually send out the message.
  *
  * @param plugin the plugin
- * @param send_handle which handle to send message on
- * @param target who should receive this message (ignored by UDP)
- * @param msgbuf one or more GNUNET_MessageHeader(s) strung together
- * @param msgbuf_size the size of the msgbuf to send
- * @param priority how important is the message (ignored by UDP)
- * @param timeout when should we time out (give up) if we can not transmit?
- * @param addr the addr to send the message to, needs to be a sockaddr for us
- * @param addrlen the len of addr
- * @param cont continuation to call once the message has
- *        been transmitted (or if the transport is ready
- *        for the next transmission call; or if the
- *        peer disconnected...)
- * @param cont_cls closure for cont
+ * @param sa the address to send the message to
+ * @param msg message to transmit
  * @return the number of bytes written
  */
 static ssize_t