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         free_connection(mesh->everyone);
  42
  43         mesh->connections = NULL;
  44         mesh->everyone = NULL;
  45 }
  46
  47 connection_t *new_connection(void) {
  48         return xzalloc(sizeof(connection_t));
  49 }
  50
  51 void free_connection(connection_t *c) {
  52         if(!c)
  53                 return;
  54
  55         sptps_stop(&c->sptps);
  56         ecdsa_free(c->ecdsa);
  57
  58         buffer_clear(&c->inbuf);
  59         buffer_clear(&c->outbuf);
  60
  61         if(c->io.cb)
  62                 abort();
  63
  64         if(c->socket > 0)
  65                 closesocket(c->socket);
  66
  67         free(c->name);
  68
  69         if(c->config_tree)
  70                 exit_configuration(&c->config_tree);
  71
  72         free(c);
  73 }
  74
  75 void connection_add(meshlink_handle_t *mesh, connection_t *c) {
  76         c->mesh = mesh;
  77         list_insert_tail(mesh->connections, c);
  78 }
  79
  80 void connection_del(meshlink_handle_t *mesh, connection_t *c) {
  81         io_del(&mesh->loop, &c->io);
  82         list_delete(mesh->connections, c);
  83 }