Move all source code to src/.

[tinc] / src / node.c

diff --git a/src/node.c b/src/node.c
new file mode 100644 (file)
index 0000000..4eee529
--- /dev/null
+++ b/src/node.c
@@ -0,0 +1,134 @@
+/*
+    node.c -- node management
+
+    Copyright (C) 2003-2004 Guus Sliepen <guus@tinc-vpn.org>,
+                  2003-2004 Ivo Timmermans <ivo@tinc-vpn.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
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#include "system.h"
+
+#include "cfg/cfg.h"
+#include "logger/logger.h"
+#include "rt/node.h"
+#include "support/avl.h"
+#include "support/xalloc.h"
+#include "tincd.h"
+
+avl_tree_t *nodes;
+
+node_t *myself;
+
+static int node_compare(const node_t *a, const node_t *b) {
+       return strcmp(a->name, b->name);
+}
+
+bool node_validname(const char *name) {
+       for(; *name; name++)
+               if(!isalnum(*name) && *name != '_')
+                       return false;
+
+       return true;
+}
+
+bool node_init(void) {
+       char *cfgfilename;
+
+       nodes = avl_tree_new((avl_compare_t)node_compare, (avl_action_t)node_free);
+       myself = node_new();
+
+       if(!cfg_get_string(tinc_cfg, "Name", NULL, &myself->name) || !myself->name) {
+               logger(LOG_ERR, _("rt: name for tinc daemon required!"));
+               node_exit();
+               return false;
+       }
+
+       if(!node_validname(myself->name)) {
+               logger(LOG_ERR, _("rt: invalid name for myself!"));
+               node_exit();
+               return false;
+       }
+
+       myself->cfg = cfg_tree_new();
+
+       asprintf(&cfgfilename, "%s/hosts/%s", tinc_confbase, myself->name);
+
+       if(!cfg_read_file(myself->cfg, cfgfilename)) {
+               free(cfgfilename);
+               node_exit();
+               return false;
+       }
+
+       free(cfgfilename);
+       
+       return true;
+}
+
+bool node_exit(void) {
+       avl_tree_del(nodes);
+       return true;
+}
+
+node_t *node_new(void) {
+       node_t *node;
+
+       clear(new(node));
+       node->subnets = subnet_tree_new();
+       node->edges = edge_tree_new();
+       node->queue = avl_tree_new(NULL, (avl_action_t)free);
+
+       return node;
+}
+
+void node_free(node_t *node) {
+       if(node->queue)
+               avl_tree_free(node->queue);
+
+       if(node->subnets)
+               subnet_tree_free(node->subnets);
+
+       if(node->edges)
+               edge_tree_free(node->edges);
+
+       replace(node->name, NULL);
+
+       free(node);
+}
+
+void node_add(node_t *node) {
+       avl_add(nodes, node);
+}
+
+void node_del(node_t *node) {
+       edge_t *edge;
+       subnet_t *subnet;
+
+       avl_foreach(node->subnets, subnet, subnet_del(subnet));
+       avl_foreach(node->edges, edge, edge_del(edge));
+
+       avl_del(nodes, node);
+}
+
+node_t *node_get(char *name) {
+       node_t search = {0};
+
+       search.name = name;
+
+       return avl_get(nodes, &search);
+}
+