From fc91cb864ded72b193682d15667cc0ccfa8afc81 Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Sat, 17 Oct 2015 19:34:43 +0000 Subject: -be harsher about transport service sending messages out of line, also at the same time check in transport service to only transmit messages if in the right state --- src/transport/gnunet-service-transport_clients.c | 22 +++-- .../gnunet-service-transport_neighbours.c | 109 +++++++++------------ src/transport/transport_api.c | 31 +++++- 3 files changed, 86 insertions(+), 76 deletions(-) diff --git a/src/transport/gnunet-service-transport_clients.c b/src/transport/gnunet-service-transport_clients.c index f00f7c93f..3533b5f6d 100644 --- a/src/transport/gnunet-service-transport_clients.c +++ b/src/transport/gnunet-service-transport_clients.c @@ -709,15 +709,19 @@ handle_send_transmit_continuation (void *cls, struct SendTransmitContinuationContext *stcc = cls; struct SendOkMessage send_ok_msg; - send_ok_msg.header.size = htons (sizeof (send_ok_msg)); - send_ok_msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_SEND_OK); - send_ok_msg.bytes_msg = htonl (bytes_payload); - send_ok_msg.bytes_physical = htonl (bytes_on_wire); - send_ok_msg.success = htonl (success); - send_ok_msg.peer = stcc->target; - GST_clients_unicast (stcc->client, - &send_ok_msg.header, - GNUNET_NO); + if (GST_neighbours_test_connected (&stcc->target)) + { + /* Only send confirmation if we are still connected */ + send_ok_msg.header.size = htons (sizeof (send_ok_msg)); + send_ok_msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_SEND_OK); + send_ok_msg.bytes_msg = htonl (bytes_payload); + send_ok_msg.bytes_physical = htonl (bytes_on_wire); + send_ok_msg.success = htonl (success); + send_ok_msg.peer = stcc->target; + GST_clients_unicast (stcc->client, + &send_ok_msg.header, + GNUNET_NO); + } GNUNET_SERVER_client_drop (stcc->client); GNUNET_free (stcc); } diff --git a/src/transport/gnunet-service-transport_neighbours.c b/src/transport/gnunet-service-transport_neighbours.c index 7b8a9a327..ad2947418 100644 --- a/src/transport/gnunet-service-transport_neighbours.c +++ b/src/transport/gnunet-service-transport_neighbours.c @@ -559,28 +559,32 @@ print_ack_state (enum GST_ACK_State s) /** * Notify our clients that another peer connected to us. * - * @param peer the peer that connected - * @param bandwidth_in inbound bandwidth in NBO - * @param bandwidth_out outbound bandwidth in NBO + * @param n the peer that connected */ static void -neighbours_connect_notification (const struct GNUNET_PeerIdentity *peer, - struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in, - struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out) +neighbours_connect_notification (struct NeighbourMapEntry *n) { size_t len = sizeof(struct ConnectInfoMessage); char buf[len] GNUNET_ALIGN; struct ConnectInfoMessage *connect_msg = (struct ConnectInfoMessage *) buf; + struct GNUNET_BANDWIDTH_Value32NBO bandwidth_min; +#if IGNORE_INBOUND_QUOTA + bandwidth_min = n->primary_address.bandwidth_out; +#else + bandwidth_min = GNUNET_BANDWIDTH_value_min (n->primary_address.bandwidth_out, + n->neighbour_receive_quota); +#endif GNUNET_log (GNUNET_ERROR_TYPE_INFO, "We are now connected to peer `%s'\n", - GNUNET_i2s (peer)); + GNUNET_i2s (&n->id)); connect_msg->header.size = htons (sizeof(buf)); connect_msg->header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_CONNECT); - connect_msg->id = *peer; - connect_msg->quota_in = bandwidth_in; - connect_msg->quota_out = bandwidth_out; - GST_clients_broadcast (&connect_msg->header, GNUNET_NO); + connect_msg->id = n->id; + connect_msg->quota_in = n->primary_address.bandwidth_in; + connect_msg->quota_out = bandwidth_min; + GST_clients_broadcast (&connect_msg->header, + GNUNET_NO); } @@ -588,21 +592,21 @@ neighbours_connect_notification (const struct GNUNET_PeerIdentity *peer, * Notify our clients (and manipulation) that a peer disconnected from * us. * - * @param peer the peer that disconnected + * @param n the peer that disconnected */ static void -neighbours_disconnect_notification (const struct GNUNET_PeerIdentity *peer) +neighbours_disconnect_notification (struct NeighbourMapEntry *n) { struct DisconnectInfoMessage disconnect_msg; GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Peer `%s' disconnected\n", - GNUNET_i2s (peer)); - GST_manipulation_peer_disconnect (peer); + GNUNET_i2s (&n->id)); + GST_manipulation_peer_disconnect (&n->id); disconnect_msg.header.size = htons (sizeof(struct DisconnectInfoMessage)); disconnect_msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_DISCONNECT); disconnect_msg.reserved = htonl (0); - disconnect_msg.peer = *peer; + disconnect_msg.peer = n->id; GST_clients_broadcast (&disconnect_msg.header, GNUNET_NO); } @@ -676,23 +680,31 @@ test_connected (struct NeighbourMapEntry *n) * Note that the outbound quota is enforced client-side (i.e. * in libgnunettransport). * - * @param target affected peer - * @param quota new quota + * @param n affected peer */ static void -send_outbound_quota_to_clients (const struct GNUNET_PeerIdentity *target, - struct GNUNET_BANDWIDTH_Value32NBO quota) +send_outbound_quota_to_clients (struct NeighbourMapEntry *n) { struct QuotaSetMessage q_msg; + struct GNUNET_BANDWIDTH_Value32NBO bandwidth_min; + + if (! GNUNET_TRANSPORT_is_connected (n->state)) + return; +#if IGNORE_INBOUND_QUOTA + bandwidth_min = n->primary_address.bandwidth_out; +#else + bandwidth_min = GNUNET_BANDWIDTH_value_min (n->primary_address.bandwidth_out, + n->neighbour_receive_quota); +#endif GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending outbound quota of %u Bps for peer `%s' to all clients\n", - ntohl (quota.value__), - GNUNET_i2s (target)); + ntohl (bandwidth_min.value__), + GNUNET_i2s (&n->id)); q_msg.header.size = htons (sizeof (struct QuotaSetMessage)); q_msg.header.type = htons (GNUNET_MESSAGE_TYPE_TRANSPORT_SET_QUOTA); - q_msg.quota = quota; - q_msg.peer = (*target); + q_msg.quota = bandwidth_min; + q_msg.peer = n->id; GST_clients_broadcast (&q_msg.header, GNUNET_NO); } @@ -753,9 +765,7 @@ set_state_and_timeout (struct NeighbourMapEntry *n, if (GNUNET_TRANSPORT_is_connected (s) && ! GNUNET_TRANSPORT_is_connected (n->state) ) { - neighbours_connect_notification (&n->id, - n->primary_address.bandwidth_in, - n->primary_address.bandwidth_out); + neighbours_connect_notification (n); GNUNET_STATISTICS_set (GST_stats, gettext_noop ("# peers connected"), ++neighbours_connected, @@ -768,7 +778,7 @@ set_state_and_timeout (struct NeighbourMapEntry *n, gettext_noop ("# peers connected"), --neighbours_connected, GNUNET_NO); - neighbours_disconnect_notification (&n->id); + neighbours_disconnect_notification (n); } n->state = s; if ( (timeout.abs_value_us < n->timeout.abs_value_us) && @@ -1229,8 +1239,6 @@ set_primary_address (struct NeighbourMapEntry *n, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out) { - struct GNUNET_BANDWIDTH_Value32NBO bandwidth_min; - if (session == n->primary_address.session) { GST_validation_set_address_use (n->primary_address.address, @@ -1244,14 +1252,7 @@ set_primary_address (struct NeighbourMapEntry *n, if (n->primary_address.bandwidth_out.value__ != bandwidth_out.value__) { n->primary_address.bandwidth_out = bandwidth_out; -#if IGNORE_INBOUND_QUOTA - bandwidth_min = bandwidth_out; -#else - bandwidth_min = GNUNET_BANDWIDTH_value_min (bandwidth_out, - n->neighbour_receive_quota); -#endif - send_outbound_quota_to_clients (&address->peer, - bandwidth_min); + send_outbound_quota_to_clients (n); } return; } @@ -1288,14 +1289,7 @@ set_primary_address (struct NeighbourMapEntry *n, GNUNET_YES); set_incoming_quota (n, bandwidth_in); -#if IGNORE_INBOUND_QUOTA - bandwidth_min = bandwidth_out; -#else - bandwidth_min = GNUNET_BANDWIDTH_value_min (bandwidth_out, - n->neighbour_receive_quota); -#endif - send_outbound_quota_to_clients (&address->peer, - bandwidth_min); + send_outbound_quota_to_clients (n); GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Neighbour `%s' switched to address `%s'\n", GNUNET_i2s (&n->id), @@ -2215,7 +2209,8 @@ setup_neighbour (const struct GNUNET_PeerIdentity *peer) GNUNET_TIME_UNIT_FOREVER_ABS); GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multipeermap_put (neighbours, - &n->id, n, + &n->id, + n, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY)); n->suggest_handle = GNUNET_ATS_connectivity_suggest (GST_ats_connect, peer); @@ -2544,7 +2539,6 @@ try_run_fast_ats_update (const struct GNUNET_HELLO_Address *address, struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out) { struct NeighbourMapEntry *n; - struct GNUNET_BANDWIDTH_Value32NBO bandwidth_min; n = lookup_neighbour (&address->peer); if ( (NULL == n) || @@ -2572,14 +2566,7 @@ try_run_fast_ats_update (const struct GNUNET_HELLO_Address *address, if (n->primary_address.bandwidth_out.value__ != bandwidth_out.value__) { n->primary_address.bandwidth_out = bandwidth_out; -#if IGNORE_INBOUND_QUOTA - bandwidth_min = bandwidth_out; -#else - bandwidth_min = GNUNET_BANDWIDTH_value_min (bandwidth_out, - n->neighbour_receive_quota); -#endif - send_outbound_quota_to_clients (&address->peer, - bandwidth_min); + send_outbound_quota_to_clients (n); } return GNUNET_OK; } @@ -3687,7 +3674,6 @@ GST_neighbours_handle_quota_message (const struct GNUNET_PeerIdentity *peer, { struct NeighbourMapEntry *n; const struct SessionQuotaMessage *sqm; - struct GNUNET_BANDWIDTH_Value32NBO bandwidth_min; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received QUOTA message from peer `%s'\n", @@ -3714,14 +3700,7 @@ GST_neighbours_handle_quota_message (const struct GNUNET_PeerIdentity *peer, n->neighbour_receive_quota = GNUNET_BANDWIDTH_value_max (GNUNET_CONSTANTS_DEFAULT_BW_IN_OUT, GNUNET_BANDWIDTH_value_init (ntohl (sqm->quota))); -#if IGNORE_INBOUND_QUOTA - bandwidth_min = n->primary_address.bandwidth_out; -#else - bandwidth_min = GNUNET_BANDWIDTH_value_min (n->primary_address.bandwidth_out, - n->neighbour_receive_quota); -#endif - send_outbound_quota_to_clients (peer, - bandwidth_min); + send_outbound_quota_to_clients (n); } diff --git a/src/transport/transport_api.c b/src/transport/transport_api.c index 47bdef88e..dca9b4b78 100644 --- a/src/transport/transport_api.c +++ b/src/transport/transport_api.c @@ -743,6 +743,8 @@ demultiplexer (void *cls, if (size < sizeof (struct ConnectInfoMessage)) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } cim = (const struct ConnectInfoMessage *) msg; @@ -750,6 +752,8 @@ demultiplexer (void *cls, sizeof (struct ConnectInfoMessage)) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } LOG (GNUNET_ERROR_TYPE_DEBUG, @@ -759,6 +763,8 @@ demultiplexer (void *cls, if (NULL != n) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } n = neighbour_add (h, @@ -777,6 +783,8 @@ demultiplexer (void *cls, if (size != sizeof (struct DisconnectInfoMessage)) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } dim = (const struct DisconnectInfoMessage *) msg; @@ -788,6 +796,8 @@ demultiplexer (void *cls, if (NULL == n) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } neighbour_delete (h, @@ -798,6 +808,8 @@ demultiplexer (void *cls, if (size != sizeof (struct SendOkMessage)) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } okm = (const struct SendOkMessage *) msg; @@ -811,9 +823,11 @@ demultiplexer (void *cls, &okm->peer); if (NULL == n) { - /* we should never get a 'SEND_OK' for a peer that we are not + /* We should never get a 'SEND_OK' for a peer that we are not connected to */ GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } if (bytes_physical >= bytes_msg) @@ -847,6 +861,8 @@ demultiplexer (void *cls, sizeof (struct InboundMessage) + sizeof (struct GNUNET_MessageHeader)) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } im = (const struct InboundMessage *) msg; @@ -854,6 +870,8 @@ demultiplexer (void *cls, if (ntohs (imm->size) + sizeof (struct InboundMessage) != size) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } LOG (GNUNET_ERROR_TYPE_DEBUG, @@ -863,6 +881,8 @@ demultiplexer (void *cls, if (NULL == n) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } if (NULL != h->rec) @@ -874,12 +894,19 @@ demultiplexer (void *cls, if (size != sizeof (struct QuotaSetMessage)) { GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; } qm = (const struct QuotaSetMessage *) msg; n = neighbour_find (h, &qm->peer); if (NULL == n) + { + GNUNET_break (0); + h->reconnecting = GNUNET_YES; + disconnect_and_schedule_reconnect (h); break; + } LOG (GNUNET_ERROR_TYPE_DEBUG, "Receiving SET_QUOTA message for `%s' with quota %u\n", GNUNET_i2s (&qm->peer), @@ -1305,7 +1332,7 @@ disconnect_and_schedule_reconnect (struct GNUNET_TRANSPORT_Handle *h) { struct GNUNET_TRANSPORT_TransmitHandle *th; - GNUNET_assert (h->reconnect_task == NULL); + GNUNET_assert (NULL == h->reconnect_task); if (NULL != h->cth) { GNUNET_CLIENT_notify_transmit_ready_cancel (h->cth); -- cgit v1.2.3