Ping nodes immediately when receiving SIGALRM.

[tinc] / src / net.c

diff --git a/src/net.c b/src/net.c
index 7f1f77b..9b60a31 100644 (file)
--- 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 <guus@tinc-vpn.org>
+                  2006      Scott Lamb <slamb@slamb.org>
 
     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
@@ -302,7 +303,7 @@ static void check_network_activity(fd_set * readset, fd_set * writeset) {
                                else {
                                        ifdebug(CONNECTIONS) logger(LOG_DEBUG,
                                                           "Error while connecting to %s (%s): %s",
-                                                          c->name, c->hostname, strerror(result));
+                                                          c->name, c->hostname, sockstrerror(result));
                                        closesocket(c->socket);
                                        do_outgoing_connection(c);
                                        continue;
@@ -368,9 +369,8 @@ int main_loop(void) {
 #endif
 
                if(r < 0) {
-                       if(errno != EINTR && errno != EAGAIN) {
-                               logger(LOG_ERR, "Error while waiting for input: %s",
-                                          strerror(errno));
+                       if(!sockwouldblock(sockerrno)) {
+                               logger(LOG_ERR, "Error while waiting for input: %s", sockstrerror(sockerrno));
                                dump_connections();
                                return 1;
                        }
@@ -418,8 +418,13 @@ int main_loop(void) {
                }
 
                if(sigalrm) {
+                       avl_node_t *node;
                        logger(LOG_INFO, "Flushing event queue");
                        expire_events();
+                       for(node = connection_tree->head; node; node = node->next) {
+                               connection_t *c = node->data;
+                               send_ping(c);
+                       }
                        sigalrm = false;
                }
 
@@ -430,7 +435,7 @@ int main_loop(void) {
 
                if(sighup) {
                        connection_t *c;
-                       avl_node_t *node;
+                       avl_node_t *node, *next;
                        char *fname;
                        struct stat s;
                        
@@ -446,6 +451,31 @@ int main_loop(void) {
                                return 1;
                        }
 
+                       /* Cancel non-active outgoing connections */
+
+                       for(node = connection_tree->head; node; node = next) {
+                               next = node->next;
+                               c = node->data;
+
+                               c->outgoing = NULL;
+
+                               if(c->status.connecting) {
+                                       terminate_connection(c, false);
+                                       connection_del(c);
+                               }
+                       }
+
+                       /* Wipe list of outgoing connections */
+
+                       for(list_node_t *node = outgoing_list->head; node; node = node->next) {
+                               outgoing_t *outgoing = node->data;
+
+                               if(outgoing->event)
+                                       event_del(outgoing->event);
+                       }
+
+                       list_delete_list(outgoing_list);
+
                        /* Close connections to hosts that have a changed or deleted host config file */
                        
                        for(node = connection_tree->head; node; node = node->next) {