X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fgraph.c;h=60d3b02ff3ceb6d6e0625638d4b905e990ac5db8;hb=1ab929718ac182ebdf9fc006c2efe74b6d974fb8;hp=45063795893e7789b586f4dd61577915c7aa98af;hpb=4c30004cb6dc23616d7295b0ce631f066e7f1f82;p=meshlink diff --git a/src/graph.c b/src/graph.c index 45063795..60d3b02f 100644 --- a/src/graph.c +++ b/src/graph.c @@ -1,7 +1,6 @@ /* graph.c -- graph algorithms - Copyright (C) 2001-2013 Guus Sliepen , - 2001-2005 Ivo Timmermans + Copyright (C) 2014 Guus Sliepen 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 @@ -44,19 +43,15 @@ #include "system.h" -#include "config.h" #include "connection.h" -#include "device.h" #include "edge.h" #include "graph.h" #include "list.h" #include "logger.h" -#include "names.h" +#include "meshlink_internal.h" #include "netutl.h" #include "node.h" -#include "process.h" #include "protocol.h" -#include "subnet.h" #include "utils.h" #include "xalloc.h" #include "graph.h" @@ -69,19 +64,19 @@ static void mst_kruskal(void) { /* Clear MST status on connections */ - for list_each(connection_t, c, connection_list) + for list_each(connection_t, c, mesh->connections) c->status.mst = false; logger(DEBUG_SCARY_THINGS, LOG_DEBUG, "Running Kruskal's algorithm:"); /* Clear visited status on nodes */ - for splay_each(node_t, n, node_tree) + for splay_each(node_t, n, mesh->nodes) n->status.visited = false; /* Starting point */ - for splay_each(edge_t, e, edge_weight_tree) { + for splay_each(edge_t, e, mesh->edges) { if(e->from->status.reachable) { e->from->status.visited = true; break; @@ -92,7 +87,7 @@ static void mst_kruskal(void) { bool skipped = false; - for splay_each(edge_t, e, edge_weight_tree) { + for splay_each(edge_t, e, mesh->edges) { if(!e->reverse || (e->from->status.visited == e->to->status.visited)) { skipped = true; continue; @@ -111,7 +106,7 @@ static void mst_kruskal(void) { if(skipped) { skipped = false; - next = edge_weight_tree->head; + next = mesh->edges->head; } } } @@ -125,21 +120,21 @@ static void sssp_bfs(void) { /* Clear visited status on nodes */ - for splay_each(node_t, n, node_tree) { + for splay_each(node_t, n, mesh->nodes) { n->status.visited = false; n->status.indirect = true; n->distance = -1; } - /* Begin with myself */ + /* Begin with mesh->self */ - myself->status.visited = true; - myself->status.indirect = false; - myself->nexthop = myself; - myself->prevedge = NULL; - myself->via = myself; - myself->distance = 0; - list_insert_head(todo_list, myself); + mesh->self->status.visited = true; + mesh->self->status.indirect = false; + mesh->self->nexthop = mesh->self; + mesh->self->prevedge = NULL; + mesh->self->via = mesh->self; + mesh->self->distance = 0; + list_insert_head(todo_list, mesh->self); /* Loop while todo_list is filled */ @@ -179,7 +174,7 @@ static void sssp_bfs(void) { e->to->status.visited = true; e->to->status.indirect = indirect; - e->to->nexthop = (n->nexthop == myself) ? e->to : n->nexthop; + e->to->nexthop = (n->nexthop == mesh->self) ? e->to : n->nexthop; e->to->prevedge = e; e->to->via = indirect ? n->via : e->to; e->to->options = e->options; @@ -201,7 +196,7 @@ static void sssp_bfs(void) { static void check_reachability(void) { /* Check reachability status. */ - for splay_each(node_t, n, node_tree) { + for splay_each(node_t, n, mesh->nodes) { if(n->status.visited != n->status.reachable) { n->status.reachable = !n->status.reachable; n->last_state_change = now.tv_sec; @@ -214,16 +209,11 @@ static void check_reachability(void) { n->name, n->hostname); } - if(experimental && OPTION_VERSION(n->options) >= 2) - n->status.sptps = true; - /* TODO: only clear status.validkey if node is unreachable? */ n->status.validkey = false; - if(n->status.sptps) { - sptps_stop(&n->sptps); - n->status.waitingforkey = false; - } + sptps_stop(&n->sptps); + n->status.waitingforkey = false; n->last_req_key = 0; n->status.udp_confirmed = false; @@ -233,52 +223,21 @@ static void check_reachability(void) { timeout_del(&n->mtutimeout); - char *name; - char *address; - char *port; - char *envp[7]; - - xasprintf(&envp[0], "NETNAME=%s", netname ? : ""); - xasprintf(&envp[1], "DEVICE=%s", device ? : ""); - xasprintf(&envp[2], "INTERFACE=%s", iface ? : ""); - xasprintf(&envp[3], "NODE=%s", n->name); - sockaddr2str(&n->address, &address, &port); - xasprintf(&envp[4], "REMOTEADDRESS=%s", address); - xasprintf(&envp[5], "REMOTEPORT=%s", port); - envp[6] = NULL; - - execute_script(n->status.reachable ? "host-up" : "host-down", envp); - - xasprintf(&name, n->status.reachable ? "hosts/%s-up" : "hosts/%s-down", n->name); - execute_script(name, envp); - - free(name); - free(address); - free(port); - - for(int i = 0; i < 6; i++) - free(envp[i]); - - subnet_update(n, NULL, n->status.reachable); + //TODO: callback to application to inform of this node going up/down if(!n->status.reachable) { update_node_udp(n, NULL); memset(&n->status, 0, sizeof n->status); n->options = 0; } else if(n->connection) { - if(n->status.sptps) { - if(n->connection->outgoing) - send_req_key(n); - } else { - send_ans_key(n); - } + if(n->connection->outgoing) + send_req_key(n); } } } } void graph(void) { - subnet_cache_flush(); sssp_bfs(); check_reachability(); mst_kruskal();