We can safely delete a connection_t in terminate_connection() now.
[tinc] / src / net.c
index 469f10f..d78770e 100644 (file)
--- a/src/net.c
+++ b/src/net.c
@@ -100,31 +100,6 @@ static void purge(void) {
        }
 }
 
-/*
-  put all file descriptors into events
-  While we're at it, purge stuf that needs to be removed.
-*/
-static int build_fdset(void) {
-       splay_node_t *node, *next;
-       connection_t *c;
-       int i, max = 0;
-
-       cp();
-
-       for(node = connection_tree->head; node; node = next) {
-               next = node->next;
-               c = node->data;
-
-               if(c->status.remove) {
-                       connection_del(c);
-                       if(!connection_tree->head)
-                               purge();
-               }
-       }
-
-       return 0;
-}
-
 /*
   Terminate a connection:
   - Close the socket
@@ -135,13 +110,9 @@ static int build_fdset(void) {
 void terminate_connection(connection_t *c, bool report) {
        cp();
 
-       if(c->status.remove)
-               return;
-
        ifdebug(CONNECTIONS) logger(LOG_NOTICE, _("Closing connection with %s (%s)"),
                           c->name, c->hostname);
 
-       c->status.remove = true;
        c->status.active = false;
 
        if(c->node)
@@ -175,18 +146,20 @@ void terminate_connection(connection_t *c, bool report) {
                }
        }
 
+       free(c->outbuf);
+       c->outbuf = NULL;
+       c->outbuflen = 0;
+       c->outbufsize = 0;
+       c->outbufstart = 0;
+
        /* Check if this was our outgoing connection */
 
        if(c->outgoing) {
                retry_outgoing(c->outgoing);
                c->outgoing = NULL;
+       } else {
+               connection_del(c);
        }
-
-       free(c->outbuf);
-       c->outbuf = NULL;
-       c->outbuflen = 0;
-       c->outbufsize = 0;
-       c->outbufstart = 0;
 }
 
 /*
@@ -215,16 +188,11 @@ static void timeout_handler(int fd, short events, void *event) {
                                                           c->name, c->hostname, now - c->last_ping_time);
                                        c->status.timeout = true;
                                        terminate_connection(c, true);
+                                       continue;
                                } else if(c->last_ping_time + pinginterval < now) {
                                        send_ping(c);
                                }
                        } else {
-                               if(c->status.remove) {
-                                       logger(LOG_WARNING, _("Old connection_t for %s (%s) status %04x still lingering, deleting..."),
-                                                  c->name, c->hostname, c->status.value);
-                                       connection_del(c);
-                                       continue;
-                               }
                                ifdebug(CONNECTIONS) logger(LOG_WARNING, _("Timeout from %s (%s) during authentication"),
                                                   c->name, c->hostname);
                                if(c->status.connecting) {
@@ -233,6 +201,7 @@ static void timeout_handler(int fd, short events, void *event) {
                                        do_outgoing_connection(c);
                                } else {
                                        terminate_connection(c, false);
+                                       continue;
                                }
                        }
                }
@@ -246,9 +215,6 @@ void handle_meta_connection_data(int fd, short events, void *data) {
        int result;
        socklen_t len = sizeof(result);
 
-       if (c->status.remove)
-               return;
-
        if(c->status.connecting) {
                getsockopt(c->socket, SOL_SOCKET, SO_ERROR, &result, &len);
 
@@ -383,8 +349,6 @@ static void sigalrm_handler(int signal, short events, void *data) {
   this is where it all happens...
 */
 int main_loop(void) {
-       struct timeval tv;
-       int r;
        struct event timeout_event;
        struct event sighup_event;
        struct event sigint_event;