X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=src%2Fconnection.c;h=4a2ba4c09110394e8654f4ecc3728484878ddf3f;hb=075e6828a7533e7daa790225f17aa6bb39703278;hp=815de4ba29a914816a1c0cb685d9393fad58297e;hpb=f0aa9641e82fb6e09c1e485366d14dddaa7f7c36;p=meshlink

diff --git a/src/connection.c b/src/connection.c
index 815de4ba..4a2ba4c0 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -1,7 +1,7 @@
 /*
     connection.c -- connection list management
-    Copyright (C) 2000-2002 Guus Sliepen <guus@sliepen.warande.net>,
-                  2000-2002 Ivo Timmermans <itimmermans@bigfoot.com>
+    Copyright (C) 2000-2007 Guus Sliepen <guus@tinc-vpn.org>,
+                  2000-2005 Ivo Timmermans
 
     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
@@ -17,132 +17,120 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: connection.c,v 1.1.2.27 2002/02/10 21:57:53 guus Exp $
+    $Id$
 */
 
-#include "config.h"
-
-#include <stdio.h>
-#include <syslog.h>
-#include <string.h>
-#include <sys/time.h>
-
-#include <avl_tree.h>
-#include <list.h>
+#include "system.h"
 
-#include "net.h"	/* Don't ask. */
-#include "netutl.h"
-#include "config.h"
+#include "splay_tree.h"
+#include "cipher.h"
 #include "conf.h"
-#include <utils.h>
+#include "list.h"
+#include "logger.h"
+#include "net.h"				/* Don't ask. */
+#include "netutl.h"
 #include "subnet.h"
-
+#include "utils.h"
 #include "xalloc.h"
-#include "system.h"
 
-avl_tree_t *connection_tree;	/* Meta connections */
+splay_tree_t *connection_tree;	/* Meta connections */
+connection_t *broadcast;
 
-int connection_compare(connection_t *a, connection_t *b)
-{
-  return a->socket - b->socket;
+static int connection_compare(const connection_t *a, const connection_t *b) {
+	return a < b ? -1 : a == b ? 0 : 1;
 }
 
-void init_connections(void)
-{
-cp
-  connection_tree = avl_alloc_tree((avl_compare_t)connection_compare, NULL);
-cp
-}
+void init_connections(void) {
+	cp();
 
-void exit_connections(void)
-{
-cp
-  avl_delete_tree(connection_tree);
-cp
+	connection_tree = splay_alloc_tree((splay_compare_t) connection_compare, (splay_action_t) free_connection);
+	broadcast = new_connection();
+	broadcast->name = xstrdup(_("everyone"));
+	broadcast->hostname = xstrdup(_("BROADCAST"));
 }
 
-connection_t *new_connection(void)
-{
-  connection_t *c;
-cp
-  c = (connection_t *)xmalloc_and_zero(sizeof(connection_t));
-
-  if(!c)
-    return NULL;
+void exit_connections(void) {
+	cp();
 
-  gettimeofday(&c->start, NULL);
-cp
-  return c;
+	splay_delete_tree(connection_tree);
+	free_connection(broadcast);
 }
 
-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
+connection_t *new_connection(void) {
+	cp();
+
+	return xmalloc_and_zero(sizeof(connection_t));
 }
 
-void connection_add(connection_t *c)
-{
-cp
-  avl_insert(connection_tree, c);
-cp
+void free_connection(connection_t *c) {
+	cp();
+
+	if(!c)
+		return;
+
+	if(c->name)
+		free(c->name);
+
+	if(c->hostname)
+		free(c->hostname);
+
+	cipher_close(&c->incipher);
+	cipher_close(&c->outcipher);
+
+	if(c->hischallenge)
+		free(c->hischallenge);
+
+	if(c->config_tree)
+		exit_configuration(&c->config_tree);
+
+	if(c->buffer)
+		bufferevent_free(c->buffer);
+	
+	if(event_initialized(&c->inevent))
+		event_del(&c->inevent);
+
+	free(c);
 }
 
-void connection_del(connection_t *c)
-{
-cp
-  avl_delete(connection_tree, c);
-cp
+void connection_add(connection_t *c) {
+	cp();
+
+	splay_insert(connection_tree, c);
 }
 
-connection_t *lookup_connection(ipv4_t address, port_t port)
-{
-  connection_t c;
-cp
-  c.address = address;
-  c.port = port;
+void connection_del(connection_t *c) {
+	cp();
 
-  return avl_search(connection_tree, &c);
+	splay_delete(connection_tree, c);
 }
 
-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 port %hd options %ld socket %d status %04x"),
-             c->name, c->hostname, c->port, c->options,
-             c->socket, c->status);
-    }
-    
-  syslog(LOG_DEBUG, _("End of connections."));
-cp
+int dump_connections(struct evbuffer *out) {
+	splay_node_t *node;
+	connection_t *c;
+
+	cp();
+
+	for(node = connection_tree->head; node; node = node->next) {
+		c = node->data;
+		if(evbuffer_add_printf(out,
+				   _(" %s at %s options %lx socket %d status %04x\n"),
+				   c->name, c->hostname, c->options, c->socket,
+				   bitfield_to_int(&c->status, sizeof c->status)) == -1)
+			return errno;
+	}
+
+	return 0;
 }
 
-int read_connection_config(connection_t *c)
-{
-  char *fname;
-  int x;
-cp
-  asprintf(&fname, "%s/hosts/%s", confbase, c->name);
-  x = read_config_file(c->config_tree, fname);
-  free(fname);
-cp
-  return x;
+bool read_connection_config(connection_t *c) {
+	char *fname;
+	int x;
+
+	cp();
+
+	xasprintf(&fname, "%s/hosts/%s", confbase, c->name);
+	x = read_config_file(c->config_tree, fname);
+	free(fname);
+
+	return x == 0;
 }