X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet.c;h=863dd762c326c885312a88d703f157f2ae4fc0ed;hb=268c8545aaf83b7433f43402f5c77e39e20006ef;hp=336bf9eec312bcc381751fd5d2fba8c8306d078a;hpb=f5dc136cfd7a3a195b75f7174722734e25f30fd9;p=tinc diff --git a/src/net.c b/src/net.c index 336bf9ee..863dd762 100644 --- a/src/net.c +++ b/src/net.c @@ -1,7 +1,7 @@ /* net.c -- most of the network code Copyright (C) 1998-2005 Ivo Timmermans, - 2000-2011 Guus Sliepen + 2000-2012 Guus Sliepen 2006 Scott Lamb 2011 Loïc Grenié @@ -49,7 +49,7 @@ void purge(void) { edge_t *e; subnet_t *s; - ifdebug(PROTOCOL) logger(LOG_DEBUG, "Purging unreachable nodes"); + logger(DEBUG_PROTOCOL, LOG_DEBUG, "Purging unreachable nodes"); /* Remove all edges and subnets owned by unreachable nodes. */ @@ -58,8 +58,7 @@ void purge(void) { n = nnode->data; if(!n->status.reachable) { - ifdebug(SCARY_THINGS) logger(LOG_DEBUG, "Purging node %s (%s)", n->name, - n->hostname); + logger(DEBUG_SCARY_THINGS, LOG_DEBUG, "Purging node %s (%s)", n->name, n->hostname); for(snode = n->subnet_tree->head; snode; snode = snext) { snext = snode->next; @@ -109,12 +108,12 @@ void purge(void) { - Deactivate the host */ void terminate_connection(connection_t *c, bool report) { - ifdebug(CONNECTIONS) logger(LOG_NOTICE, "Closing connection with %s (%s)", + logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Closing connection with %s (%s)", c->name, c->hostname); c->status.active = false; - if(c->node) + if(c->node && c->node->connection == c) c->node->connection = NULL; if(c->edge) { @@ -122,6 +121,7 @@ void terminate_connection(connection_t *c, bool report) { send_del_edge(everyone, c->edge); edge_del(c->edge); + c->edge = NULL; /* Run MST and SSSP algorithms */ @@ -140,12 +140,15 @@ void terminate_connection(connection_t *c, bool report) { } } - /* Check if this was our outgoing connection */ + free_connection_partially(c); - if(c->outgoing) - retry_outgoing(c->outgoing); + /* Check if this was our outgoing connection */ - connection_del(c); + if(c->outgoing) { + do_outgoing_connection(c); + } else { + connection_del(c); + } } /* @@ -165,11 +168,14 @@ static void timeout_handler(int fd, short events, void *event) { next = node->next; c = node->data; + if(c->status.control) + continue; + if(c->last_ping_time + pingtimeout <= now) { if(c->status.active) { if(c->status.pinged) { - ifdebug(CONNECTIONS) logger(LOG_INFO, "%s (%s) didn't respond to PING in %ld seconds", - c->name, c->hostname, now - c->last_ping_time); + logger(DEBUG_CONNECTIONS, LOG_INFO, "%s (%s) didn't respond to PING in %ld seconds", + c->name, c->hostname, (long)now - c->last_ping_time); terminate_connection(c, true); continue; } else if(c->last_ping_time + pinginterval <= now) { @@ -177,13 +183,12 @@ static void timeout_handler(int fd, short events, void *event) { } } else { if(c->status.connecting) { - ifdebug(CONNECTIONS) - logger(LOG_WARNING, "Timeout while connecting to %s (%s)", c->name, c->hostname); + logger(DEBUG_CONNECTIONS, LOG_WARNING, "Timeout while connecting to %s (%s)", c->name, c->hostname); c->status.connecting = false; closesocket(c->socket); do_outgoing_connection(c); } else { - ifdebug(CONNECTIONS) logger(LOG_WARNING, "Timeout from %s (%s) during authentication", c->name, c->hostname); + logger(DEBUG_CONNECTIONS, LOG_WARNING, "Timeout from %s (%s) during authentication", c->name, c->hostname); terminate_connection(c, false); continue; } @@ -192,7 +197,7 @@ static void timeout_handler(int fd, short events, void *event) { } if(contradicting_del_edge > 100 && contradicting_add_edge > 100) { - logger(LOG_WARNING, "Possible node with same Name as us! Sleeping %d seconds.", sleeptime); + logger(DEBUG_ALWAYS, LOG_WARNING, "Possible node with same Name as us! Sleeping %d seconds.", sleeptime); usleep(sleeptime * 1000000LL); sleeptime *= 2; if(sleeptime < 0) @@ -222,7 +227,7 @@ void handle_meta_connection_data(int fd, short events, void *data) { if(!result) finish_connecting(c); else { - ifdebug(CONNECTIONS) logger(LOG_DEBUG, + logger(DEBUG_CONNECTIONS, LOG_DEBUG, "Error while connecting to %s (%s): %s", c->name, c->hostname, sockstrerror(result)); closesocket(c->socket); @@ -238,18 +243,18 @@ void handle_meta_connection_data(int fd, short events, void *data) { } static void sigterm_handler(int signal, short events, void *data) { - logger(LOG_NOTICE, "Got %s signal", strsignal(signal)); + logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s signal", strsignal(signal)); event_loopexit(NULL); } static void sighup_handler(int signal, short events, void *data) { - logger(LOG_NOTICE, "Got %s signal", strsignal(signal)); + logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s signal", strsignal(signal)); reopenlogger(); reload_configuration(); } static void sigalrm_handler(int signal, short events, void *data) { - logger(LOG_NOTICE, "Got %s signal", strsignal(signal)); + logger(DEBUG_ALWAYS, LOG_NOTICE, "Got %s signal", strsignal(signal)); retry(); } @@ -266,7 +271,7 @@ int reload_configuration(void) { init_configuration(&config_tree); if(!read_server_config()) { - logger(LOG_ERR, "Unable to reread configuration file, exitting."); + logger(DEBUG_ALWAYS, LOG_ERR, "Unable to reread configuration file, exitting."); event_loopexit(NULL); return EINVAL; } @@ -276,6 +281,9 @@ int reload_configuration(void) { for(node = connection_tree->head; node; node = next) { c = node->data; next = node->next; + + if(c->status.control) + continue; if(c->outgoing) { free(c->outgoing->name); @@ -333,9 +341,10 @@ int reload_configuration(void) { void retry(void) { connection_t *c; - splay_node_t *node; + splay_node_t *node, *next; - for(node = connection_tree->head; node; node = node->next) { + for(node = connection_tree->head; node; node = next) { + next = node->next; c = node->data; if(c->outgoing && !c->node) { @@ -375,7 +384,7 @@ int main_loop(void) { #endif if(event_loop(0) < 0) { - logger(LOG_ERR, "Error while waiting for input: %s", strerror(errno)); + logger(DEBUG_ALWAYS, LOG_ERR, "Error while waiting for input: %s", strerror(errno)); return 1; }