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8b4c9570fa
Make a vmethod to create a sessions so that subclasses can create custom session objects
134 lines
5.6 KiB
C
134 lines
5.6 KiB
C
/* GStreamer
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* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gst/gst.h>
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#ifndef __GST_RTSP_SESSION_POOL_H__
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#define __GST_RTSP_SESSION_POOL_H__
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G_BEGIN_DECLS
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typedef struct _GstRTSPSessionPool GstRTSPSessionPool;
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typedef struct _GstRTSPSessionPoolClass GstRTSPSessionPoolClass;
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typedef struct _GstRTSPSessionPoolPrivate GstRTSPSessionPoolPrivate;
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#include "rtsp-session.h"
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#define GST_TYPE_RTSP_SESSION_POOL (gst_rtsp_session_pool_get_type ())
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#define GST_IS_RTSP_SESSION_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_SESSION_POOL))
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#define GST_IS_RTSP_SESSION_POOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_SESSION_POOL))
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#define GST_RTSP_SESSION_POOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_SESSION_POOL, GstRTSPSessionPoolClass))
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#define GST_RTSP_SESSION_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_SESSION_POOL, GstRTSPSessionPool))
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#define GST_RTSP_SESSION_POOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_SESSION_POOL, GstRTSPSessionPoolClass))
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#define GST_RTSP_SESSION_POOL_CAST(obj) ((GstRTSPSessionPool*)(obj))
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#define GST_RTSP_SESSION_POOL_CLASS_CAST(klass) ((GstRTSPSessionPoolClass*)(klass))
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/**
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* GstRTSPSessionPool:
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*
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* An object that keeps track of the active sessions. This object is usually
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* attached to a #GstRTSPServer object to manage the sessions in that server.
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*/
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struct _GstRTSPSessionPool {
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GObject parent;
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/*< private >*/
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GstRTSPSessionPoolPrivate *priv;
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};
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/**
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* GstRTSPSessionPoolClass:
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* @create_session_id: create a new random session id. Subclasses can create
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* custom session ids and should not check if the session exists.
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* @create_session: make a new session object.
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*/
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struct _GstRTSPSessionPoolClass {
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GObjectClass parent_class;
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gchar * (*create_session_id) (GstRTSPSessionPool *pool);
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GstRTSPSession * (*create_session) (GstRTSPSessionPool *pool, const gchar *id);
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};
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/**
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* GstRTSPSessionPoolFunc:
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* @pool: a #GstRTSPSessionPool object
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* @user_data: user data that has been given when registering the handler
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*
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* The function that will be called from the GSource watch on the session pool.
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*
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* The function will be called when the pool must be cleaned up because one or
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* more sessions timed out.
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*
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* Returns: %FALSE if the source should be removed.
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*/
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typedef gboolean (*GstRTSPSessionPoolFunc) (GstRTSPSessionPool *pool, gpointer user_data);
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/**
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* GstRTSPSessionPoolFilterFunc:
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* @pool: a #GstRTSPSessionPool object
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* @session: a #GstRTSPSession in @pool
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* @user_data: user data that has been given to gst_rtsp_session_pool_filter()
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*
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* This function will be called by the gst_rtsp_session_pool_filter(). An
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* implementation should return a value of #GstRTSPFilterResult.
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*
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* When this function returns #GST_RTSP_FILTER_REMOVE, @session will be removed
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* from @pool.
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*
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* A return value of #GST_RTSP_FILTER_KEEP will leave @session untouched in
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* @pool.
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*
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* A value of GST_RTSP_FILTER_REF will add @session to the result #GList of
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* gst_rtsp_session_pool_filter().
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*
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* Returns: a #GstRTSPFilterResult.
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*/
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typedef GstRTSPFilterResult (*GstRTSPSessionPoolFilterFunc) (GstRTSPSessionPool *pool,
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GstRTSPSession *session,
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gpointer user_data);
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GType gst_rtsp_session_pool_get_type (void);
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/* creating a session pool */
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GstRTSPSessionPool * gst_rtsp_session_pool_new (void);
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/* counting sessions */
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void gst_rtsp_session_pool_set_max_sessions (GstRTSPSessionPool *pool, guint max);
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guint gst_rtsp_session_pool_get_max_sessions (GstRTSPSessionPool *pool);
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guint gst_rtsp_session_pool_get_n_sessions (GstRTSPSessionPool *pool);
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/* managing sessions */
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GstRTSPSession * gst_rtsp_session_pool_create (GstRTSPSessionPool *pool);
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GstRTSPSession * gst_rtsp_session_pool_find (GstRTSPSessionPool *pool,
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const gchar *sessionid);
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gboolean gst_rtsp_session_pool_remove (GstRTSPSessionPool *pool,
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GstRTSPSession *sess);
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/* perform session maintenance */
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GList * gst_rtsp_session_pool_filter (GstRTSPSessionPool *pool,
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GstRTSPSessionPoolFilterFunc func,
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gpointer user_data);
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guint gst_rtsp_session_pool_cleanup (GstRTSPSessionPool *pool);
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GSource * gst_rtsp_session_pool_create_watch (GstRTSPSessionPool *pool);
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G_END_DECLS
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#endif /* __GST_RTSP_SESSION_POOL_H__ */
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