libpurple/protocols/jabber/jingle/transport.c

   1 /**
   2  * @file transport.c
   3  *
   4  * purple
   5  *
   6  * Purple is the legal property of its developers, whose names are too numerous
   7  * to list here.  Please refer to the COPYRIGHT file distributed with this
   8  * source distribution.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
  23  */
  24
  25 #include "internal.h"
  26
  27 #include "transport.h"
  28 #include "jingle.h"
  29 #include "debug.h"
  30
  31 #include <string.h>
  32
  33 G_DEFINE_DYNAMIC_TYPE(JingleTransport, jingle_transport, G_TYPE_OBJECT);
  34
  35 /******************************************************************************
  36  * Transport Implementation
  37  *****************************************************************************/
  38 static JingleTransport *
  39 jingle_transport_parse_internal(PurpleXmlNode *transport)
  40 {
  41         const gchar *type = purple_xmlnode_get_namespace(transport);
  42         return jingle_transport_create(type);
  43 }
  44
  45 static void
  46 jingle_transport_add_local_candidate_internal(JingleTransport *transport, const gchar *id, guint generation, PurpleMediaCandidate *candidate)
  47 {
  48         /* Nothing to do */
  49 }
  50
  51 static PurpleXmlNode *
  52 jingle_transport_to_xml_internal(JingleTransport *transport, PurpleXmlNode *content, JingleActionType action)
  53 {
  54         PurpleXmlNode *node = purple_xmlnode_new_child(content, "transport");
  55         purple_xmlnode_set_namespace(node, jingle_transport_get_transport_type(transport));
  56         return node;
  57 }
  58
  59 static GList *
  60 jingle_transport_get_remote_candidates_internal(JingleTransport *transport)
  61 {
  62         return NULL;
  63 }
  64
  65 /******************************************************************************
  66  * GObject Stuff
  67  *****************************************************************************/
  68 static void
  69 jingle_transport_init (JingleTransport *transport)
  70 {
  71 }
  72
  73 static void
  74 jingle_transport_class_finalize (JingleTransportClass *klass)
  75 {
  76 }
  77
  78 static void
  79 jingle_transport_class_init (JingleTransportClass *klass)
  80 {
  81         klass->to_xml = jingle_transport_to_xml_internal;
  82         klass->parse = jingle_transport_parse_internal;
  83         klass->add_local_candidate = jingle_transport_add_local_candidate_internal;
  84         klass->get_remote_candidates = jingle_transport_get_remote_candidates_internal;
  85 }
  86
  87 /******************************************************************************
  88  * Public API
  89  *****************************************************************************/
  90 void
  91 jingle_transport_register(PurplePlugin *plugin) {
  92         jingle_transport_register_type(G_TYPE_MODULE(plugin));
  93 }
  94
  95 JingleTransport *
  96 jingle_transport_create(const gchar *type)
  97 {
  98         return g_object_new(jingle_get_type(type), NULL);
  99 }
 100
 101 const gchar *
 102 jingle_transport_get_transport_type(JingleTransport *transport)
 103 {
 104         return JINGLE_TRANSPORT_GET_CLASS(transport)->transport_type;
 105 }
 106
 107 void
 108 jingle_transport_add_local_candidate(JingleTransport *transport, const gchar *id,
 109                                      guint generation, PurpleMediaCandidate *candidate)
 110 {
 111         JINGLE_TRANSPORT_GET_CLASS(transport)->add_local_candidate(transport, id,
 112                                                                    generation, candidate);
 113 }
 114
 115 GList *
 116 jingle_transport_get_remote_candidates(JingleTransport *transport)
 117 {
 118         return JINGLE_TRANSPORT_GET_CLASS(transport)->get_remote_candidates(transport);
 119 }
 120
 121 JingleTransport *
 122 jingle_transport_parse(PurpleXmlNode *transport)
 123 {
 124         const gchar *type_name = purple_xmlnode_get_namespace(transport);
 125         GType type = jingle_get_type(type_name);
 126         if (type == G_TYPE_NONE)
 127                 return NULL;
 128
 129         return JINGLE_TRANSPORT_CLASS(g_type_class_ref(type))->parse(transport);
 130 }
 131
 132 PurpleXmlNode *
 133 jingle_transport_to_xml(JingleTransport *transport, PurpleXmlNode *content, JingleActionType action)
 134 {
 135         g_return_val_if_fail(transport != NULL, NULL);
 136         g_return_val_if_fail(JINGLE_IS_TRANSPORT(transport), NULL);
 137         return JINGLE_TRANSPORT_GET_CLASS(transport)->to_xml(transport, content, action);
 138 }