X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet.c;h=bda92ebe2438b3bc9b5ae15c41b41c262ddcc5f0;hb=92fdabc439bdb5e16f64a4bf2ed1deda54f7c544;hp=577b11fde99a503be495586399c2d2bbe9e199fe;hpb=9d0e86683cdb7d53263569ad2e49dd87bd217939;p=tinc diff --git a/src/net.c b/src/net.c index 577b11fd..bda92ebe 100644 --- a/src/net.c +++ b/src/net.c @@ -22,7 +22,7 @@ #include "system.h" -#include "utils.h" +#include "autoconnect.h" #include "conf.h" #include "connection.h" #include "device.h" @@ -34,6 +34,7 @@ #include "netutl.h" #include "protocol.h" #include "subnet.h" +#include "utils.h" #include "xalloc.h" int contradicting_add_edge = 0; @@ -94,29 +95,31 @@ void purge(void) { void terminate_connection(connection_t *c, bool report) { logger(DEBUG_CONNECTIONS, LOG_NOTICE, "Closing connection with %s (%s)", c->name, c->hostname); - if(c->node && c->node->connection == c) - c->node->connection = NULL; + if(c->node) { + if(c->node->connection == c) + c->node->connection = NULL; - if(c->edge) { - if(report && !tunnelserver) - send_del_edge(everyone, c->edge); + if(c->edge) { + if(report && !tunnelserver) + send_del_edge(everyone, c->edge); - edge_del(c->edge); - c->edge = NULL; + edge_del(c->edge); + c->edge = NULL; - /* Run MST and SSSP algorithms */ + /* Run MST and SSSP algorithms */ - graph(); + graph(); - /* If the node is not reachable anymore but we remember it had an edge to us, clean it up */ + /* If the node is not reachable anymore but we remember it had an edge to us, clean it up */ - if(report && !c->node->status.reachable) { - edge_t *e; - e = lookup_edge(c->node, myself); - if(e) { - if(!tunnelserver) - send_del_edge(everyone, e); - edge_del(e); + if(report && !c->node->status.reachable) { + edge_t *e; + e = lookup_edge(c->node, myself); + if(e) { + if(!tunnelserver) + send_del_edge(everyone, e); + edge_del(e); + } } } } @@ -207,7 +210,7 @@ static void timeout_handler(void *data) { // timeout during ping if(c->status.pinged) { - logger(DEBUG_CONNECTIONS, LOG_INFO, "%s (%s) didn't respond to PING in %ld seconds", c->name, c->hostname, (long)now.tv_sec - 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.tv_sec - c->last_ping_time)); terminate_connection(c, c->edge); continue; } @@ -243,105 +246,9 @@ static void periodic_handler(void *data) { /* If AutoConnect is set, check if we need to make or break connections. */ - if(autoconnect && node_tree->count > 1) { - /* Count number of active connections */ - int nc = 0; - for list_each(connection_t, c, connection_list) { - if(c->edge) - nc++; - } - - if(nc < 3) { - /* Not enough active connections, try to add one. - Choose a random node, if we don't have a connection to it, - and we are not already trying to make one, create an - outgoing connection to this node. - */ - int count = 0; - for splay_each(node_t, n, node_tree) { - if(n == myself || n->connection || !(n->status.has_address || n->status.reachable)) - continue; - count++; - } - - if(!count) - goto end; - - int r = rand() % count; - - for splay_each(node_t, n, node_tree) { - if(n == myself || n->connection || !(n->status.has_address || n->status.reachable)) - continue; - - if(r--) - continue; - - bool found = false; - - for list_each(outgoing_t, outgoing, outgoing_list) { - if(!strcmp(outgoing->name, n->name)) { - found = true; - break; - } - } - - if(!found) { - logger(DEBUG_CONNECTIONS, LOG_INFO, "Autoconnecting to %s", n->name); - outgoing_t *outgoing = xzalloc(sizeof *outgoing); - outgoing->name = xstrdup(n->name); - list_insert_tail(outgoing_list, outgoing); - setup_outgoing_connection(outgoing); - } - - break; - } - } else if(nc > 3) { - /* Too many active connections, try to remove one. - Choose a random outgoing connection to a node - that has at least one other connection. - */ - int r = rand() % nc; - int i = 0; - - for list_each(connection_t, c, connection_list) { - if(!c->edge) - continue; - - if(i++ != r) - continue; - - if(!c->outgoing || !c->node || c->node->edge_tree->count < 2) - break; - - logger(DEBUG_CONNECTIONS, LOG_INFO, "Autodisconnecting from %s", c->name); - list_delete(outgoing_list, c->outgoing); - c->outgoing = NULL; - terminate_connection(c, c->edge); - break; - } - } - - if(nc >= 3) { - /* If we have enough active connections, - remove any pending outgoing connections. - */ - for list_each(outgoing_t, o, outgoing_list) { - bool found = false; - for list_each(connection_t, c, connection_list) { - if(c->outgoing == o) { - found = true; - break; - } - } - if(!found) { - logger(DEBUG_CONNECTIONS, LOG_INFO, "Cancelled outgoing connection to %s", o->name); - list_delete_node(outgoing_list, node); - } - } - } - } + if(autoconnect && node_tree->count > 1) + do_autoconnect(); -end: timeout_set(data, &(struct timeval){5, rand() % 100000}); }