src/telepathy/telepathy-transport.c

   1 /**
   2  * @file telepathy-transport.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2012 SIPE Project <http://sipe.sourceforge.net/>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <glib.h>
  24 #include <gio/gio.h>
  25
  26 #include "sipe-backend.h"
  27 #include "sipe-common.h"
  28 #include "sipe-core.h"
  29
  30 #include "telepathy-private.h"
  31
  32 struct sipe_transport_telepathy {
  33         /* public part shared with core */
  34         struct sipe_transport_connection public;
  35
  36         /* telepathy private part */
  37         transport_connected_cb *connected;
  38         transport_input_cb *input;
  39         transport_error_cb *error;
  40         struct sipe_backend_private *private;
  41         GSocketConnection *socket;
  42 };
  43
  44 #define TELEPATHY_TRANSPORT ((struct sipe_transport_telepathy *) conn)
  45 #define SIPE_TRANSPORT_CONNECTION ((struct sipe_transport_connection *) transport)
  46
  47 static void socket_connected(GObject *client,
  48                              GAsyncResult *result,
  49                              gpointer data)
  50 {
  51         struct sipe_transport_telepathy *transport = data;
  52         GError *error = NULL;
  53
  54         transport->socket = g_socket_client_connect_finish(G_SOCKET_CLIENT(client),
  55                                                            result,
  56                                                            &error);
  57
  58         if (transport->socket) {
  59                 SIPE_DEBUG_INFO_NOFORMAT("socket_connected: success");
  60                 transport->connected(SIPE_TRANSPORT_CONNECTION);
  61         } else {
  62                 SIPE_DEBUG_ERROR("socket_connected: failed: %s", error->message);
  63                 transport->error(SIPE_TRANSPORT_CONNECTION, error->message);
  64         }
  65 }
  66
  67 struct sipe_transport_connection *sipe_backend_transport_connect(struct sipe_core_public *sipe_public,
  68                                                                  const sipe_connect_setup *setup)
  69 {
  70         struct sipe_transport_telepathy *transport = g_new0(struct sipe_transport_telepathy, 1);
  71         struct sipe_backend_private *telepathy_private = sipe_public->backend_private;
  72
  73         SIPE_DEBUG_INFO("sipe_backend_transport_connect - hostname: %s port: %d",
  74                         setup->server_name, setup->server_port);
  75
  76         transport->public.type      = setup->type;
  77         transport->public.user_data = setup->user_data;
  78         transport->connected        = setup->connected;
  79         transport->input            = setup->input;
  80         transport->error            = setup->error;
  81         transport->private          = telepathy_private;
  82
  83         if ((setup->type == SIPE_TRANSPORT_TLS) ||
  84             (setup->type == SIPE_TRANSPORT_TCP)) {
  85                 GSocketClient *client = g_socket_client_new();
  86
  87                 /* request TLS connection */
  88                 if (setup->type == SIPE_TRANSPORT_TLS) {
  89                         SIPE_DEBUG_INFO_NOFORMAT("using TLS");
  90                         g_socket_client_set_tls(client,
  91                                                 setup->type == SIPE_TRANSPORT_TLS);
  92                         /* @TODO certificate handling - now accept all*/
  93                         g_socket_client_set_tls_validation_flags(client, 0);
  94                 } else
  95                         SIPE_DEBUG_INFO_NOFORMAT("using TCP");
  96
  97                 g_socket_client_connect_async(client,
  98                                               g_network_address_new(setup->server_name,
  99                                                                     setup->server_port),
 100                                               NULL,
 101                                               socket_connected,
 102                                               transport);
 103                 g_object_unref(client);
 104         } else {
 105                 setup->error(SIPE_TRANSPORT_CONNECTION,
 106                              "This should not happen...");
 107                 sipe_backend_transport_disconnect(SIPE_TRANSPORT_CONNECTION);
 108                 return(NULL);
 109         }
 110
 111         /* the first connection is always to the server */
 112         if (telepathy_private->transport == NULL)
 113                 telepathy_private->transport = transport;
 114
 115         return(SIPE_TRANSPORT_CONNECTION);
 116 }
 117
 118 void sipe_backend_transport_disconnect(struct sipe_transport_connection *conn)
 119 {
 120         struct sipe_transport_telepathy *transport = TELEPATHY_TRANSPORT;
 121
 122         if (!transport) return;
 123
 124         if (transport->socket)
 125                 g_object_unref(transport->socket);
 126
 127         /* connection to the server dropped? */
 128         if (transport->private->transport == transport)
 129                 transport->private->transport = NULL;
 130
 131         g_free(transport);
 132 }
 133
 134 void sipe_backend_transport_message(SIPE_UNUSED_PARAMETER struct sipe_transport_connection *conn,
 135                                     SIPE_UNUSED_PARAMETER const gchar *buffer)
 136 {
 137         /* @TODO */
 138 }
 139
 140 void sipe_backend_transport_flush(SIPE_UNUSED_PARAMETER struct sipe_transport_connection *conn)
 141 {
 142         /* @TODO */
 143 }
 144
 145 /*
 146   Local Variables:
 147   mode: c
 148   c-file-style: "bsd"
 149   indent-tabs-mode: t
 150   tab-width: 8
 151   End:
 152 */