X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet.c;h=d80a7129de593312c9912ed3e917c5e95d97dc6e;hb=2d4203fefa52a41f7987b1ace254da77df6e2dbf;hp=7d44d17c378f0bbbf2821bd6b4432dd43f5d6705;hpb=a22041922f160667573e9a5ae3f4195e1668906a;p=tinc diff --git a/src/net.c b/src/net.c index 7d44d17c..d80a7129 100644 --- a/src/net.c +++ b/src/net.c @@ -38,6 +38,7 @@ int contradicting_add_edge = 0; int contradicting_del_edge = 0; +bool running = true; /* Purge edges and subnets of unreachable nodes. Use carefully. */ @@ -157,7 +158,8 @@ void terminate_connection(connection_t *c, bool report) { end does not reply in time, we consider them dead and close the connection. */ -static void timeout_handler(int fd, short events, void *event) { +static void timeout_handler(void *arg) { + event_t *event = arg; splay_node_t *node, *next; connection_t *c; time_t now = time(NULL); @@ -197,7 +199,7 @@ static void timeout_handler(int fd, short events, void *event) { if(rand() % 3 == 0) { logger(LOG_ERR, "Shutting down, check configuration of all nodes for duplicate Names!"); - event_loopexit(NULL); + running = false; return; } @@ -205,47 +207,43 @@ static void timeout_handler(int fd, short events, void *event) { contradicting_del_edge = 0; } - event_add(event, &(struct timeval){pingtimeout, 0}); + event->time = now + pingtimeout; + event_add(event); } -void handle_meta_connection_data(int fd, short events, void *data) { +void handle_meta_connection_data(void *data) { connection_t *c = data; int result; socklen_t len = sizeof result; - if(c->status.connecting) { - c->status.connecting = false; + while(c->status.connecting) { + result = connect(c->socket, &c->address.sa, SALEN(c->address.sa)); - getsockopt(c->socket, SOL_SOCKET, SO_ERROR, &result, &len); - - if(!result) + if(!result) { + mutex_lock(&mutex); + c->status.connecting = false; finish_connecting(c); - else { + mutex_unlock(&mutex); + } else { ifdebug(CONNECTIONS) logger(LOG_DEBUG, "Error while connecting to %s (%s): %s", c->name, c->hostname, sockstrerror(result)); closesocket(c->socket); + c->status.connecting = false; + mutex_lock(&mutex); do_outgoing_connection(c); - return; + mutex_unlock(&mutex); } } - if (!receive_meta(c)) { - terminate_connection(c, c->status.active); - return; + while(true) { + if (!receive_meta(c)) { + terminate_connection(c, c->status.active); + break; + } } } -static void sigterm_handler(int signal, short events, void *data) { - logger(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)); - reload_configuration(); -} - int reload_configuration(void) { connection_t *c; splay_node_t *node, *next; @@ -260,7 +258,7 @@ int reload_configuration(void) { if(!read_server_config()) { logger(LOG_ERR, "Unable to reread configuration file, exitting."); - event_loopexit(NULL); + running = false; return EINVAL; } @@ -332,8 +330,7 @@ void retry(void) { c = node->data; if(c->outgoing && !c->node) { - if(timeout_initialized(&c->outgoing->ev)) - event_del(&c->outgoing->ev); + event_del(&c->outgoing->ev); if(c->status.connecting) close(c->socket); c->outgoing->timeout = 0; @@ -347,34 +344,24 @@ void retry(void) { */ int main_loop(void) { struct event timeout_event; - struct event sighup_event; - struct event sigterm_event; - struct event sigquit_event; - - timeout_set(&timeout_event, timeout_handler, &timeout_event); - event_add(&timeout_event, &(struct timeval){pingtimeout, 0}); - -#ifdef SIGHUP - signal_set(&sighup_event, SIGHUP, sighup_handler, NULL); - signal_add(&sighup_event, NULL); -#endif -#ifdef SIGTERM - signal_set(&sigterm_event, SIGTERM, sigterm_handler, NULL); - signal_add(&sigterm_event, NULL); -#endif -#ifdef SIGQUIT - signal_set(&sigquit_event, SIGQUIT, sigterm_handler, NULL); - signal_add(&sigquit_event, NULL); -#endif - - if(event_loop(0) < 0) { - logger(LOG_ERR, "Error while waiting for input: %s", strerror(errno)); - return 1; + + timeout_event.time = time(NULL) + pingtimeout; + timeout_event.handler = timeout_handler; + timeout_event.data = &timeout_event; + + event_add(&timeout_event); + + while(running) { + mutex_unlock(&mutex); + usleep(1000000); + mutex_lock(&mutex); + + struct event *event; + while((event = get_expired_event())) { + event->handler(event->data); + } } - signal_del(&sighup_event); - signal_del(&sigterm_event); - signal_del(&sigquit_event); event_del(&timeout_event); return 0;