Moving files, first attempt at gcrypt compatibility, more interface

[tinc] / lib / connection.c

diff --git a/lib/connection.c b/lib/connection.c
new file mode 100644 (file)
index 0000000..279ac34
--- /dev/null
+++ b/lib/connection.c
@@ -0,0 +1,126 @@
+/*
+    connection.c -- connection list management
+    Copyright (C) 2000-2002 Guus Sliepen <guus@sliepen.warande.net>,
+                  2000-2002 Ivo Timmermans <itimmermans@bigfoot.com>
+
+    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: connection.c,v 1.1 2002/04/28 12:46:25 zarq Exp $
+*/
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include <avl_tree.h>
+#include <list.h>
+
+#include "net.h"       /* Don't ask. */
+#include "netutl.h"
+#include "config.h"
+#include "conf.h"
+#include <utils.h>
+#include "subnet.h"
+#include "logging.h"
+
+#include "xalloc.h"
+#include "system.h"
+
+avl_tree_t *connection_tree;   /* Meta connections */
+
+int connection_compare(connection_t *a, connection_t *b)
+{
+  return a - b;
+}
+
+void init_connections(void)
+{
+cp
+  connection_tree = avl_alloc_tree((avl_compare_t)connection_compare, NULL);
+cp
+}
+
+void exit_connections(void)
+{
+cp
+  avl_delete_tree(connection_tree);
+cp
+}
+
+connection_t *new_connection(void)
+{
+  connection_t *c;
+cp
+  c = (connection_t *)xmalloc_and_zero(sizeof(connection_t));
+
+  if(!c)
+    return NULL;
+
+  gettimeofday(&c->start, NULL);
+cp
+  return c;
+}
+
+void free_connection(connection_t *c)
+{
+cp
+  if(c->hostname)
+    free(c->hostname);
+  if(c->inkey)
+    free(c->inkey);
+  if(c->outkey)
+    free(c->outkey);
+  if(c->mychallenge)
+    free(c->mychallenge);
+  if(c->hischallenge)
+    free(c->hischallenge);
+  free(c);
+cp
+}
+
+void connection_add(connection_t *c)
+{
+cp
+  avl_insert(connection_tree, c);
+cp
+}
+
+void connection_del(connection_t *c)
+{
+cp
+  avl_delete(connection_tree, c);
+cp
+}
+
+void dump_connections(void)
+{
+  avl_node_t *node;
+  connection_t *c;
+cp
+  syslog(LOG_DEBUG, _("Connections:"));
+
+  for(node = connection_tree->head; node; node = node->next)
+    {
+      c = (connection_t *)node->data;
+      syslog(LOG_DEBUG, _(" %s at %s options %lx socket %d status %04x"),
+             c->name, c->hostname, c->options, c->socket, c->status);
+    }
+    
+  syslog(LOG_DEBUG, _("End of connections."));
+cp
+}