2 * Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
22 #ifndef __GST_RTSP_SESSION_POOL_H__
23 #define __GST_RTSP_SESSION_POOL_H__
28 typedef struct _GstRTSPSessionPool GstRTSPSessionPool;
29 typedef struct _GstRTSPSessionPoolClass GstRTSPSessionPoolClass;
30 typedef struct _GstRTSPSessionPoolPrivate GstRTSPSessionPoolPrivate;
32 #include "rtsp-session.h"
34 #define GST_TYPE_RTSP_SESSION_POOL (gst_rtsp_session_pool_get_type ())
35 #define GST_IS_RTSP_SESSION_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_RTSP_SESSION_POOL))
36 #define GST_IS_RTSP_SESSION_POOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_RTSP_SESSION_POOL))
37 #define GST_RTSP_SESSION_POOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_RTSP_SESSION_POOL, GstRTSPSessionPoolClass))
38 #define GST_RTSP_SESSION_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_RTSP_SESSION_POOL, GstRTSPSessionPool))
39 #define GST_RTSP_SESSION_POOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_RTSP_SESSION_POOL, GstRTSPSessionPoolClass))
40 #define GST_RTSP_SESSION_POOL_CAST(obj) ((GstRTSPSessionPool*)(obj))
41 #define GST_RTSP_SESSION_POOL_CLASS_CAST(klass) ((GstRTSPSessionPoolClass*)(klass))
45 * @max_sessions: the maximum number of sessions.
46 * @lock: locking the session hashtable
47 * @sessions: hashtable of sessions indexed by the session id.
49 * An object that keeps track of the active sessions. This object is usually
50 * attached to a #GstRTSPServer object to manage the sessions in that server.
52 struct _GstRTSPSessionPool {
55 GstRTSPSessionPoolPrivate *priv;
59 * GstRTSPSessionPoolClass:
60 * @create_session_id: create a new random session id. Subclasses can create
61 * custom session ids and should not check if the session exists.
63 struct _GstRTSPSessionPoolClass {
64 GObjectClass parent_class;
66 gchar * (*create_session_id) (GstRTSPSessionPool *pool);
70 * GstRTSPSessionPoolFunc:
71 * @pool: a #GstRTSPSessionPool object
72 * @user_data: user data that has been given when registering the handler
74 * The function that will be called from the GSource watch on the session pool.
76 * The function will be called when the pool must be cleaned up because one or
77 * more sessions timed out.
79 * Returns: %FALSE if the source should be removed.
81 typedef gboolean (*GstRTSPSessionPoolFunc) (GstRTSPSessionPool *pool, gpointer user_data);
84 * GstRTSPSessionPoolFilterFunc:
85 * @pool: a #GstRTSPSessionPool object
86 * @session: a #GstRTSPSession in @pool
87 * @user_data: user data that has been given to gst_rtsp_session_pool_filter()
89 * This function will be called by the gst_rtsp_session_pool_filter(). An
90 * implementation should return a value of #GstRTSPFilterResult.
92 * When this function returns #GST_RTSP_FILTER_REMOVE, @session will be removed
95 * A return value of #GST_RTSP_FILTER_KEEP will leave @session untouched in
98 * A value of GST_RTSP_FILTER_REF will add @session to the result #GList of
99 * gst_rtsp_session_pool_filter().
101 * Returns: a #GstRTSPFilterResult.
103 typedef GstRTSPFilterResult (*GstRTSPSessionPoolFilterFunc) (GstRTSPSessionPool *pool,
104 GstRTSPSession *session,
108 GType gst_rtsp_session_pool_get_type (void);
110 /* creating a session pool */
111 GstRTSPSessionPool * gst_rtsp_session_pool_new (void);
113 /* counting sessionss */
114 void gst_rtsp_session_pool_set_max_sessions (GstRTSPSessionPool *pool, guint max);
115 guint gst_rtsp_session_pool_get_max_sessions (GstRTSPSessionPool *pool);
117 guint gst_rtsp_session_pool_get_n_sessions (GstRTSPSessionPool *pool);
119 /* managing sessions */
120 GstRTSPSession * gst_rtsp_session_pool_create (GstRTSPSessionPool *pool);
121 GstRTSPSession * gst_rtsp_session_pool_find (GstRTSPSessionPool *pool,
122 const gchar *sessionid);
123 gboolean gst_rtsp_session_pool_remove (GstRTSPSessionPool *pool,
124 GstRTSPSession *sess);
126 /* perform session maintenance */
127 GList * gst_rtsp_session_pool_filter (GstRTSPSessionPool *pool,
128 GstRTSPSessionPoolFilterFunc func,
130 guint gst_rtsp_session_pool_cleanup (GstRTSPSessionPool *pool);
131 GSource * gst_rtsp_session_pool_create_watch (GstRTSPSessionPool *pool);
135 #endif /* __GST_RTSP_SESSION_POOL_H__ */