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         assert(!mesh->connections);
  33         assert(!mesh->everyone);
  34
  35         mesh->connections = list_alloc((list_action_t) free_connection);
  36         mesh->everyone = new_connection();
  37         mesh->everyone->name = xstrdup("mesh->everyone");
  38 }
  39
  40 void exit_connections(meshlink_handle_t *mesh) {
  41         if(mesh->connections) {
  42                 list_delete_list(mesh->connections);
  43         }
  44
  45         if(mesh->everyone) {
  46                 free_connection(mesh->everyone);
  47         }
  48
  49         mesh->connections = NULL;
  50         mesh->everyone = NULL;
  51 }
  52
  53 connection_t *new_connection(void) {
  54         return xzalloc(sizeof(connection_t));
  55 }
  56
  57 void free_connection(connection_t *c) {
  58         assert(c);
  59
  60         sptps_stop(&c->sptps);
  61         ecdsa_free(c->ecdsa);
  62
  63         buffer_clear(&c->inbuf);
  64         buffer_clear(&c->outbuf);
  65
  66         if(c->io.cb) {
  67                 abort();
  68         }
  69
  70         if(c->socket > 0) {
  71                 closesocket(c->socket);
  72         }
  73
  74         free(c->name);
  75
  76         free(c);
  77 }
  78
  79 void connection_add(meshlink_handle_t *mesh, connection_t *c) {
  80         assert(c);
  81
  82         c->mesh = mesh;
  83         list_insert_tail(mesh->connections, c);
  84 }
  85
  86 void connection_del(meshlink_handle_t *mesh, connection_t *c) {
  87         assert(c);
  88
  89         io_del(&mesh->loop, &c->io);
  90         list_delete(mesh->connections, c);
  91 }