gstreamer/gst/rtsp-server/rtsp-context.c

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/* GStreamer
* Copyright (C) 2013 Wim Taymans <wim.taymans at gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:rtsp-context
* @short_description: A client request context
* @see_also: #GstRTSPServer, #GstRTSPClient
*
* Last reviewed on 2013-07-11 (1.0.0)
*/
#include "rtsp-context.h"
G_DEFINE_POINTER_TYPE (GstRTSPContext, gst_rtsp_context);
static GPrivate current_context;
/**
* gst_rtsp_context_get_current: (skip):
*
* Get the current #GstRTSPContext. This object is retrieved from the
* current thread that is handling the request for a client.
*
* Returns: a #GstRTSPContext
*/
GstRTSPContext *
gst_rtsp_context_get_current (void)
{
GSList *l;
l = g_private_get (&current_context);
if (l == NULL)
return NULL;
return (GstRTSPContext *) (l->data);
}
/**
* gst_rtsp_context_push_current:
* @ctx: a ##GstRTSPContext
*
* Pushes @ctx onto the context stack. The current
* context can then be received using gst_rtsp_context_get_current().
**/
void
gst_rtsp_context_push_current (GstRTSPContext * ctx)
{
GSList *l;
g_return_if_fail (ctx != NULL);
l = g_private_get (&current_context);
l = g_slist_prepend (l, ctx);
g_private_set (&current_context, l);
}
/**
* gst_rtsp_context_pop_current:
* @ctx: a #GstRTSPContext
*
* Pops @ctx off the context stack (verifying that @ctx
* is on the top of the stack).
**/
void
gst_rtsp_context_pop_current (GstRTSPContext * ctx)
{
GSList *l;
l = g_private_get (&current_context);
g_return_if_fail (l != NULL);
g_return_if_fail (l->data == ctx);
l = g_slist_delete_link (l, l);
g_private_set (&current_context, l);
}