Add a new function that find the best transport method for an app.
/*
* sessions.c
*
* Copyrigth (C) 2010 Nicolas Cornu <nicolas.cornu@ensi-bourges.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <glib.h>
#include <mcabber/xmpp_helper.h>
#include <jingle/jingle.h>
#include <jingle/sessions.h>
#include <jingle/register.h>
static GSList *sessions;
/**
* Create a new session and insert it in the linked list.
*/
JingleSession *session_new(JingleNode *jn)
{
JingleSession *js = g_new0(JingleSession, 1);
const gchar *from;
js->sid = g_strdup(jn->sid);
js->initiator = g_strdup(jn->initiator);
from = lm_message_get_from(jn->message);
if (!from) {
return NULL;
}
js->from = g_strdup(from);
sessions = g_slist_append(sessions, js);
return js;
}
JingleSession *session_find_by_sid(const gchar *sid, const gchar *from)
{
GSList *el;
JingleSession *js;
for (el = sessions; el; el = el->next) {
js = (JingleSession*) el->data;
if (g_strcmp0(js->sid, sid) && g_strcmp0(js->from, from)) {
return js;
}
}
return NULL;
}
JingleSession *session_find(const JingleNode *jn)
{
const gchar *from = lm_message_get_from(jn->message);
return session_find_by_sid(jn->sid, from);
}
void session_add_content(JingleSession *sess, JingleContent *cn,
SessionState state)
{
SessionContent *sc = g_new0(SessionContent, 1);
sc->name = cn->name;
sc->state = state;
sc->xmlns_desc = lm_message_node_get_attribute(cn->description, "xmlns");
sc->appfuncs = jingle_get_appfuncs(sc->xmlns_desc);
sc->xmlns_trans = lm_message_node_get_attribute(cn->transport, "xmlns");
sc->transfuncs = jingle_get_transportfuncs(sc->xmlns_trans);
sc->description = sc->appfuncs->check(cn, NULL);
sc->transport = sc->transfuncs->check(cn, NULL);
sess->content = g_slist_append(sess->content, sc);
}
SessionContent *session_find_sessioncontent(JingleSession *sess,
const gchar *name)
{
GSList *el;
SessionContent *sc;
for (el = sess->content; el; el = el->next) {
sc = (SessionContent*) el->data;
if (!g_strcmp0(sc->name, name))
return sc;
}
return NULL;
}
SessionContent *session_find_transport(const gchar *xmlns_trans, gconstpointer data)
{
GSList *el, *el1;
JingleSession *sess;
SessionContent *sc;
for (el1 = sessions; el1; el1 = el1->next) {
sess = (JingleSession*) el1->data;
for (el = sess->content; el; el = el->next) {
sc = (SessionContent*) el->data;
if (!g_strcmp0(sc->xmlns_trans, xmlns_trans) && sc->transfuncs->cmp(sc->transport, data))
return sc;
}
}
return NULL;
}
void session_remove_sessioncontent(JingleSession *sess, const gchar *name)
{
SessionContent *sc;
sc = session_find_sessioncontent(sess, name);
if(sc == NULL) return;
if (sc->state == JINGLE_SESSION_STATE_ACTIVE); // We should stop the transfert
sess->content = g_slist_remove(sess->content, sc);
}
void session_changestate_sessioncontent(JingleSession *sess, const gchar *name,
SessionState state)
{
SessionContent *sc;
sc = session_find_sessioncontent(sess, name);
if(sc != NULL)
sc->state = state;
}
/**
* Remove a session from the linked list and free it.
*/
void session_delete(JingleSession *sess)
{
session_remove(sess);
session_free(sess);
}
/**
* Remove a session from the linked list.
*/
void session_remove(JingleSession *sess)
{
sessions = g_slist_remove(sessions, sess);
}
/**
* Free a session.
*/
void session_free(JingleSession *sess)
{
g_free(sess->sid);
g_free(sess->from);
g_free(sess);
}