X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.c;h=31970366d8cfc6a69d08be633d64c685ccbf68bd;hp=3cf1773d578a70b99daa3217915d175906c1ee46;hb=46e481dc945c5572eb6091a3660f6bf258ee0cfa;hpb=81afa26e4ad53bea00da18a7666f63d33cf3f588 diff --git a/src/net.c b/src/net.c index 3cf1773d..31970366 100644 --- a/src/net.c +++ b/src/net.c @@ -2,6 +2,7 @@ net.c -- most of the network code Copyright (C) 1998-2005 Ivo Timmermans, 2000-2009 Guus Sliepen + 2006 Scott Lamb This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -13,11 +14,9 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - $Id$ + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "system.h" @@ -48,16 +47,13 @@ time_t now = 0; /* Purge edges and subnets of unreachable nodes. Use carefully. */ -static void purge(void) -{ +static void purge(void) { avl_node_t *nnode, *nnext, *enode, *enext, *snode, *snext; node_t *n; edge_t *e; subnet_t *s; - cp(); - - ifdebug(PROTOCOL) logger(LOG_DEBUG, _("Purging unreachable nodes")); + ifdebug(PROTOCOL) logger(LOG_DEBUG, "Purging unreachable nodes"); /* Remove all edges and subnets owned by unreachable nodes. */ @@ -66,7 +62,7 @@ static void purge(void) n = nnode->data; if(!n->status.reachable) { - ifdebug(SCARY_THINGS) logger(LOG_DEBUG, _("Purging node %s (%s)"), n->name, + ifdebug(SCARY_THINGS) logger(LOG_DEBUG, "Purging node %s (%s)", n->name, n->hostname); for(snode = n->subnet_tree->head; snode; snode = snext) { @@ -112,14 +108,11 @@ static void purge(void) put all file descriptors in an fd_set array While we're at it, purge stuff that needs to be removed. */ -static int build_fdset(fd_set *readset, fd_set *writeset) -{ +static int build_fdset(fd_set *readset, fd_set *writeset) { avl_node_t *node, *next; connection_t *c; int i, max = 0; - cp(); - FD_ZERO(readset); FD_ZERO(writeset); @@ -149,7 +142,8 @@ static int build_fdset(fd_set *readset, fd_set *writeset) max = listen_socket[i].udp; } - FD_SET(device_fd, readset); + if(device_fd >= 0) + FD_SET(device_fd, readset); if(device_fd > max) max = device_fd; @@ -163,14 +157,11 @@ static int build_fdset(fd_set *readset, fd_set *writeset) - Check if we need to retry making an outgoing connection - Deactivate the host */ -void terminate_connection(connection_t *c, bool report) -{ - cp(); - +void terminate_connection(connection_t *c, bool report) { if(c->status.remove) return; - ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Closing connection with %s (%s)"), + ifdebug(CONNECTIONS) logger(LOG_NOTICE, "Closing connection with %s (%s)", c->name, c->hostname); c->status.remove = true; @@ -227,13 +218,10 @@ void terminate_connection(connection_t *c, bool report) end does not reply in time, we consider them dead and close the connection. */ -static void check_dead_connections(void) -{ +static void check_dead_connections(void) { avl_node_t *node, *next; connection_t *c; - cp(); - for(node = connection_tree->head; node; node = next) { next = node->next; c = node->data; @@ -241,7 +229,7 @@ static void check_dead_connections(void) 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"), + ifdebug(CONNECTIONS) logger(LOG_INFO, "%s (%s) didn't respond to PING in %ld seconds", c->name, c->hostname, now - c->last_ping_time); c->status.timeout = true; terminate_connection(c, true); @@ -250,12 +238,12 @@ static void check_dead_connections(void) } } else { if(c->status.remove) { - logger(LOG_WARNING, _("Old connection_t for %s (%s) status %04x still lingering, deleting..."), + logger(LOG_WARNING, "Old connection_t for %s (%s) status %04x still lingering, deleting...", c->name, c->hostname, bitfield_to_int(&c->status, sizeof c->status)); connection_del(c); continue; } - ifdebug(CONNECTIONS) logger(LOG_WARNING, _("Timeout from %s (%s) during authentication"), + ifdebug(CONNECTIONS) logger(LOG_WARNING, "Timeout from %s (%s) during authentication", c->name, c->hostname); if(c->status.connecting) { c->status.connecting = false; @@ -270,7 +258,7 @@ static void check_dead_connections(void) if(c->outbuflen > 0 && c->last_flushed_time + pingtimeout < now) { if(c->status.active) { ifdebug(CONNECTIONS) logger(LOG_INFO, - _("%s (%s) could not flush for %ld seconds (%d bytes remaining)"), + "%s (%s) could not flush for %ld seconds (%d bytes remaining)", c->name, c->hostname, now - c->last_flushed_time, c->outbuflen); c->status.timeout = true; terminate_connection(c, true); @@ -283,18 +271,15 @@ static void check_dead_connections(void) check all connections to see if anything happened on their sockets */ -static void check_network_activity(fd_set * readset, fd_set * writeset) -{ +static void check_network_activity(fd_set * readset, fd_set * writeset) { connection_t *c; avl_node_t *node; int result, i; socklen_t len = sizeof(result); vpn_packet_t packet; - cp(); - /* check input from kernel */ - if(FD_ISSET(device_fd, readset)) { + if(device_fd >= 0 && FD_ISSET(device_fd, readset)) { if(read_packet(&packet)) { packet.priority = 0; route(myself, &packet); @@ -317,7 +302,7 @@ static void check_network_activity(fd_set * readset, fd_set * writeset) finish_connecting(c); else { ifdebug(CONNECTIONS) logger(LOG_DEBUG, - _("Error while connecting to %s (%s): %s"), + "Error while connecting to %s (%s): %s", c->name, c->hostname, strerror(result)); closesocket(c->socket); do_outgoing_connection(c); @@ -351,22 +336,18 @@ static void check_network_activity(fd_set * readset, fd_set * writeset) /* this is where it all happens... */ -int main_loop(void) -{ +int main_loop(void) { fd_set readset, writeset; struct timeval tv; int r, maxfd; time_t last_ping_check, last_config_check, last_graph_dump; event_t *event; - cp(); - last_ping_check = now; last_config_check = now; last_graph_dump = now; srand(now); - srand48(now); running = true; @@ -379,13 +360,18 @@ int main_loop(void) maxfd = build_fdset(&readset, &writeset); +#ifdef HAVE_MINGW + LeaveCriticalSection(&mutex); +#endif r = select(maxfd + 1, &readset, &writeset, NULL, &tv); +#ifdef HAVE_MINGW + EnterCriticalSection(&mutex); +#endif if(r < 0) { if(errno != EINTR && errno != EAGAIN) { - logger(LOG_ERR, _("Error while waiting for input: %s"), + logger(LOG_ERR, "Error while waiting for input: %s", strerror(errno)); - cp_trace(); dump_connections(); return 1; } @@ -417,7 +403,7 @@ int main_loop(void) avl_node_t *node; node_t *n; - ifdebug(STATUS) logger(LOG_INFO, _("Expiring symmetric keys")); + ifdebug(STATUS) logger(LOG_INFO, "Expiring symmetric keys"); for(node = node_tree->head; node; node = node->next) { n = node->data; @@ -433,7 +419,7 @@ int main_loop(void) } if(sigalrm) { - logger(LOG_INFO, _("Flushing event queue")); + logger(LOG_INFO, "Flushing event queue"); expire_events(); sigalrm = false; } @@ -457,7 +443,7 @@ int main_loop(void) init_configuration(&config_tree); if(!read_server_config()) { - logger(LOG_ERR, _("Unable to reread configuration file, exitting.")); + logger(LOG_ERR, "Unable to reread configuration file, exitting."); return 1; }