/*
connection.c -- connection list management
- Copyright (C) 2000 Guus Sliepen <guus@sliepen.warande.net>,
- 2000 Ivo Timmermans <itimmermans@bigfoot.com>
+ Copyright (C) 2000-2013 Guus Sliepen <guus@meshlink.io>
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
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 1.1.2.2 2000/11/20 19:41:10 guus Exp $
+ 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include "config.h"
-
-#include <stdio.h>
-#include <syslog.h>
-
-#include <rbl.h>
+#include "system.h"
-#include "net.h" /* Don't ask. */
-#include "netutl.h"
-#include "config.h"
+#include "list.h"
#include "conf.h"
-#include <utils.h>
-#include "subnet.h"
-
+#include "connection.h"
+#include "list.h"
+#include "logger.h"
+#include "meshlink_internal.h"
+#include "utils.h"
#include "xalloc.h"
-#include "system.h"
-
-/* Root of the connection list */
-
-rbltree_t *connection_tree;
-connection_t *myself = NULL;
-/* Initialization and callbacks */
-
-int connection_compare(connection_t *a, connection_t *b)
-{
- return strcmp(a->name, b->name);
-}
+void init_connections(meshlink_handle_t *mesh) {
+ assert(!mesh->connections);
+ assert(!mesh->everyone);
-void init_connections(void)
-{
- connection_tree = new_rbltree((rbl_compare_t)connection_compare, (rbl_action_t)free_connection);
+ mesh->connections = list_alloc((list_action_t) free_connection);
+ mesh->everyone = new_connection();
+ mesh->everyone->name = xstrdup("mesh->everyone");
}
-/* Creation and deletion of connection elements */
+void exit_connections(meshlink_handle_t *mesh) {
+ if(mesh->connections) {
+ list_delete_list(mesh->connections);
+ }
-connection_t *new_connection(void)
-{
- connection_t *p = (connection_t *)xmalloc(sizeof(*p));
-cp
- /* initialise all those stupid pointers at once */
- memset(p, '\0', sizeof(*p));
+ if(mesh->everyone) {
+ free_connection(mesh->everyone);
+ }
- p->subnet_tree = new_rbltree((rbl_compare_t)subnet_compare, NULL);
-cp
- return p;
+ mesh->connections = NULL;
+ mesh->everyone = NULL;
}
-void free_connection(connection_t *p)
-{
-cp
- if(p->sq)
- destroy_queue(p->sq);
- if(p->rq)
- destroy_queue(p->rq);
- if(p->name && p->name!=unknown)
- free(p->name);
- if(p->hostname)
- free(p->hostname);
- if(p->rsa_key)
- RSA_free(p->rsa_key);
- if(p->cipher_pktkey)
- free(p->cipher_pktkey);
- if(p->buffer)
- free(p->buffer);
- if(p->config)
- clear_config(&p->config);
- free(p);
-cp
+connection_t *new_connection(void) {
+ return xzalloc(sizeof(connection_t));
}
-/*
- remove all marked connections
-*/
-void prune_connection_tree(void)
-{
- rbl_t *rbl;
- connection_t *cl;
-cp
- RBL_FOREACH(connection_tree, rbl)
- {
- cl = (connection_t *) rbl->data;
- if(cl->status.remove)
- connection_del(cl);
- }
-cp
-}
+void free_connection(connection_t *c) {
+ assert(c);
-/*
- free all elements of connection
-*/
-void destroy_connection_tree(void)
-{
-cp
- rbl_delete_rbltree(connection_tree);
-cp
-}
+ sptps_stop(&c->sptps);
+ ecdsa_free(c->ecdsa);
-/* Linked list management */
+ buffer_clear(&c->inbuf);
+ buffer_clear(&c->outbuf);
-void connection_add(connection_t *cl)
-{
-cp
- rbl_insert(connection_tree, cl);
-cp
-}
+ if(c->io.cb) {
+ abort();
+ }
-void connection_del(connection_t *cl)
-{
-cp
- rbl_delete(connection_tree, cl);
-cp
-}
+ if(c->socket > 0) {
+ closesocket(c->socket);
+ }
-/* Lookup functions */
+ free(c->name);
-connection_t *lookup_id(char *name)
-{
- connection_t cl;
-cp
- cl.name = name;
- return rbl_search(connection_tree, &cl);
-cp
+ free(c);
}
-/* Debugging */
-
-void dump_connection_list(void)
-{
- rbl_t *rbl;
- connection_t *cl;
-cp
- syslog(LOG_DEBUG, _("Connection list:"));
-
- syslog(LOG_DEBUG, _(" %s at %s port %hd flags %d sockets %d, %d status %04x"),
- myself->name, myself->hostname, myself->port, myself->flags,
- myself->socket, myself->meta_socket, myself->status);
-
- RBL_FOREACH(connection_tree, rbl)
- {
- cl = (connection_t *)rbl->data;
- syslog(LOG_DEBUG, _(" %s at %s port %hd flags %d sockets %d, %d status %04x"),
- cl->name, cl->hostname, cl->port, cl->flags,
- cl->socket, cl->meta_socket, cl->status);
- }
-
- syslog(LOG_DEBUG, _("End of connection list."));
-cp
+void connection_add(meshlink_handle_t *mesh, connection_t *c) {
+ assert(c);
+
+ c->mesh = mesh;
+ list_insert_tail(mesh->connections, c);
}
-int read_host_config(connection_t *cl)
-{
- char *fname;
- int x;
-cp
- asprintf(&fname, "%s/hosts/%s", confbase, cl->name);
- x = read_config_file(&cl->config, fname);
- free(fname);
-cp
- return x;
+void connection_del(meshlink_handle_t *mesh, connection_t *c) {
+ assert(c);
+
+ io_del(&mesh->loop, &c->io);
+ list_delete(mesh->connections, c);
}
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