git.meshlink.io Git - meshlink/blob - src/connection.c

   1 /*
   2     connection.c -- connection list management
   3     Copyright (C) 2000-2013 Guus Sliepen <guus@meshlink.io>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License along
  16     with this program; if not, write to the Free Software Foundation, Inc.,
  17     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "system.h"
  21
  22 #include "list.h"
  23 #include "conf.h"
  24 #include "connection.h"
  25 #include "list.h"
  26 #include "logger.h"
  27 #include "meshlink_internal.h"
  28 #include "utils.h"
  29 #include "xalloc.h"
  30
  31 void init_connections(meshlink_handle_t *mesh) {
  32         mesh->connections = list_alloc((list_action_t) free_connection);
  33         mesh->everyone = new_connection();
  34         mesh->everyone->name = xstrdup("mesh->everyone");
  35 }
  36
  37 void exit_connections(meshlink_handle_t *mesh) {
  38         if(mesh->connections) {
  39                 list_delete_list(mesh->connections);
  40         }
  41
  42         free_connection(mesh->everyone);
  43
  44         mesh->connections = NULL;
  45         mesh->everyone = NULL;
  46 }
  47
  48 connection_t *new_connection(void) {
  49         return xzalloc(sizeof(connection_t));
  50 }
  51
  52 void free_connection(connection_t *c) {
  53         if(!c) {
  54                 return;
  55         }
  56
  57         sptps_stop(&c->sptps);
  58         ecdsa_free(c->ecdsa);
  59
  60         buffer_clear(&c->inbuf);
  61         buffer_clear(&c->outbuf);
  62
  63         if(c->io.cb) {
  64                 abort();
  65         }
  66
  67         if(c->socket > 0) {
  68                 closesocket(c->socket);
  69         }
  70
  71         free(c->name);
  72
  73         if(c->config_tree) {
  74                 exit_configuration(&c->config_tree);
  75         }
  76
  77         free(c);
  78 }
  79
  80 void connection_add(meshlink_handle_t *mesh, connection_t *c) {
  81         c->mesh = mesh;
  82         list_insert_tail(mesh->connections, c);
  83 }
  84
  85 void connection_del(meshlink_handle_t *mesh, connection_t *c) {
  86         io_del(&mesh->loop, &c->io);
  87         list_delete(mesh->connections, c);
  88 }