#include "rtsp-server.h"
#include "rtsp-client.h"
-#define TCP_BACKLOG 5
+#define DEFAULT_BACKLOG 5
#define DEFAULT_PORT 1554
+
enum
{
- ARG_0,
- PROP_PORT
+ PROP_0,
+ PROP_BACKLOG,
+ PROP_PORT,
+ PROP_POOL,
+ PROP_LAST
};
G_DEFINE_TYPE (GstRTSPServer, gst_rtsp_server, G_TYPE_OBJECT);
static void gst_rtsp_server_set_property (GObject *object, guint propid,
const GValue *value, GParamSpec *pspec);
+static GstRTSPClient * gst_rtsp_server_accept_client (GstRTSPServer *server,
+ GIOChannel *channel);
+
static void
gst_rtsp_server_class_init (GstRTSPServerClass * klass)
{
gobject_class->get_property = gst_rtsp_server_get_property;
gobject_class->set_property = gst_rtsp_server_set_property;
+ /**
+ * GstRTSPServer::backlog
+ *
+ * The backlog argument defines the maximum length to which the queue of
+ * pending connections for the server may grow. If a connection request arrives
+ * when the queue is full, the client may receive an error with an indication of
+ * ECONNREFUSED or, if the underlying protocol supports retransmission, the
+ * request may be ignored so that a later reattempt at connection succeeds.
+ */
+ g_object_class_install_property (gobject_class, PROP_BACKLOG,
+ g_param_spec_int ("backlog", "Backlog", "The maximum length to which the queue "
+ "of pending connections may grow",
+ 0, G_MAXINT, DEFAULT_BACKLOG, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ /**
+ * GstRTSPServer::port
+ *
+ * The session port of the server. This is the port where the server will
+ * listen on.
+ */
g_object_class_install_property (gobject_class, PROP_PORT,
- g_param_spec_int ("port", "Port", "The port the server uses",
- 1, 65535, DEFAULT_PORT,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_param_spec_int ("port", "Port", "The port the server uses to listen on",
+ 1, 65535, DEFAULT_PORT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ /**
+ * GstRTSPServer::pool
+ *
+ * The session pool of the server. By default each server has a separate
+ * session pool but sessions can be shared between servers by setting the same
+ * session pool on multiple servers.
+ */
+ g_object_class_install_property (gobject_class, PROP_POOL,
+ g_param_spec_object ("pool", "Pool", "The session pool to use for client session",
+ GST_TYPE_RTSP_SESSION_POOL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ klass->accept_client = gst_rtsp_server_accept_client;
}
static void
gst_rtsp_server_init (GstRTSPServer * server)
{
server->server_port = DEFAULT_PORT;
+ server->backlog = DEFAULT_BACKLOG;
server->pool = gst_rtsp_session_pool_new ();
}
return result;
}
+/**
+ * gst_rtsp_server_set_port:
+ * @server: a #GstRTSPServer
+ * @port: the port
+ *
+ * Configure @server to accept connections on the given port.
+ * @port should be a port number between 1 and 65535.
+ *
+ * This function must be called before the server is bound.
+ */
+void
+gst_rtsp_server_set_port (GstRTSPServer *server, gint port)
+{
+ g_return_if_fail (GST_IS_RTSP_SERVER (server));
+ g_return_if_fail (port >= 1 && port <= 65535);
+
+ server->server_port = port;
+}
+
+/**
+ * gst_rtsp_server_get_port:
+ * @server: a #GstRTSPServer
+ *
+ * Get the port number on which the server will accept connections.
+ *
+ * Returns: the server port.
+ */
+gint
+gst_rtsp_server_get_port (GstRTSPServer *server)
+{
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), -1);
+
+ return server->server_port;
+}
+
+/**
+ * gst_rtsp_server_set_backlog:
+ * @server: a #GstRTSPServer
+ * @backlog: the backlog
+ *
+ * configure the maximum amount of requests that may be queued for the
+ * server.
+ *
+ * This function must be called before the server is bound.
+ */
+void
+gst_rtsp_server_set_backlog (GstRTSPServer *server, gint backlog)
+{
+ g_return_if_fail (GST_IS_RTSP_SERVER (server));
+
+ server->backlog = backlog;
+}
+
+/**
+ * gst_rtsp_server_get_backlog:
+ * @server: a #GstRTSPServer
+ *
+ * The maximum amount of queued requests for the server.
+ *
+ * Returns: the server backlog.
+ */
+gint
+gst_rtsp_server_get_backlog (GstRTSPServer *server)
+{
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), -1);
+
+ return server->backlog;
+}
+
+/**
+ * gst_rtsp_server_set_session_pool:
+ * @server: a #GstRTSPServer
+ * @pool: a #GstRTSPSessionPool
+ *
+ * configure @pool to be used as the session pool of @server.
+ */
+void
+gst_rtsp_server_set_session_pool (GstRTSPServer *server, GstRTSPSessionPool *pool)
+{
+ g_return_if_fail (GST_IS_RTSP_SERVER (server));
+
+ if (server->pool)
+ g_object_unref (server->pool);
+ if (pool)
+ pool = g_object_ref (pool);
+ server->pool = pool;
+}
+
+
+/**
+ * gst_rtsp_server_get_session_pool:
+ * @server: a #GstRTSPServer
+ *
+ * Get the #GstRTSPSessionPool used as the session pool of @server.
+ *
+ * Returns: the #GstRTSPSessionPool used for sessions. g_object_unref() after
+ * usage.
+ */
+GstRTSPSessionPool *
+gst_rtsp_server_get_session_pool (GstRTSPServer *server)
+{
+ GstRTSPSessionPool *result;
+
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), NULL);
+
+ if ((result = server->pool))
+ g_object_ref (result);
+
+ return result;
+}
+
static void
gst_rtsp_server_get_property (GObject *object, guint propid,
GValue *value, GParamSpec *pspec)
switch (propid) {
case PROP_PORT:
- g_value_set_int (value, server->server_port);
+ g_value_set_int (value, gst_rtsp_server_get_port (server));
+ break;
+ case PROP_BACKLOG:
+ g_value_set_int (value, gst_rtsp_server_get_backlog (server));
+ break;
+ case PROP_POOL:
+ g_value_take_object (value, gst_rtsp_server_get_session_pool (server));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
switch (propid) {
case PROP_PORT:
- server->server_port = g_value_get_int (value);
+ gst_rtsp_server_set_port (server, g_value_get_int (value));
+ break;
+ case PROP_BACKLOG:
+ gst_rtsp_server_set_backlog (server, g_value_get_int (value));
+ break;
+ case PROP_POOL:
+ gst_rtsp_server_set_session_pool (server, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
}
}
+/* Prepare a server socket for @server and make it listen on the configured port */
static gboolean
gst_rtsp_server_sink_init_send (GstRTSPServer * server)
{
fcntl (server->server_sock.fd, F_SETFL, O_NONBLOCK);
GST_DEBUG_OBJECT (server, "listening on server socket %d with queue of %d",
- server->server_sock.fd, TCP_BACKLOG);
- if (listen (server->server_sock.fd, TCP_BACKLOG) == -1)
+ server->server_sock.fd, server->backlog);
+ if (listen (server->server_sock.fd, server->backlog) == -1)
goto listen_failed;
GST_DEBUG_OBJECT (server,
}
}
-/* called when an event is available on our server socket */
-static gboolean
-server_dispatch (GIOChannel *source, GIOCondition condition, GstRTSPServer *server)
+/* default method for creating a new client object in the server to accept and
+ * handle a client connection on this server */
+static GstRTSPClient *
+gst_rtsp_server_accept_client (GstRTSPServer *server, GIOChannel *channel)
{
- if (condition & G_IO_IN) {
- GstRTSPClient *client;
+ GstRTSPClient *client;
- /* a new client connected, create a session to handle the client. */
- client = gst_rtsp_client_new ();
+ /* a new client connected, create a session to handle the client. */
+ client = gst_rtsp_client_new ();
- /* set the session pool that this client should use */
- gst_rtsp_client_set_session_pool (client, server->pool);
+ /* set the session pool that this client should use */
+ gst_rtsp_client_set_session_pool (client, server->pool);
- /* accept connections for that client, this function returns after accepting
- * the connection and will run the remainder of the communication with the
- * client asyncronously. */
- if (!gst_rtsp_client_accept (client, source))
- goto accept_failed;
+ /* accept connections for that client, this function returns after accepting
+ * the connection and will run the remainder of the communication with the
+ * client asyncronously. */
+ if (!gst_rtsp_client_accept (client, channel))
+ goto accept_failed;
+
+ return client;
+
+ /* ERRORS */
+accept_failed:
+ {
+ g_error ("Could not accept client on server socket %d: %s (%d)",
+ server->server_sock.fd, g_strerror (errno), errno);
+ gst_object_unref (client);
+ return NULL;
+ }
+}
+
+/**
+ * gst_rtsp_server_io_func:
+ * @channel: a #GIOChannel
+ * @condition: the condition on @source
+ *
+ * A default #GIOFunc that creates a new #GstRTSPClient to accept and handle a
+ * new connection on @channel or @server.
+ *
+ * Returns: TRUE if the source could be connected, FALSE if an error occured.
+ */
+gboolean
+gst_rtsp_server_io_func (GIOChannel *channel, GIOCondition condition, GstRTSPServer *server)
+{
+ GstRTSPClient *client = NULL;
+ GstRTSPServerClass *klass;
+
+ if (condition & G_IO_IN) {
+ klass = GST_RTSP_SERVER_GET_CLASS (server);
+
+ /* a new client connected, create a client object to handle the client. */
+ if (klass->accept_client)
+ client = klass->accept_client (server, channel);
+ if (client == NULL)
+ goto client_failed;
/* can unref the client now, when the request is finished, it will be
* unreffed async. */
return TRUE;
/* ERRORS */
-accept_failed:
+client_failed:
{
- g_error ("Could not accept client on server socket %d: %s (%d)",
- server->server_sock.fd, g_strerror (errno), errno);
+ GST_ERROR_OBJECT (server, "failed to create a client");
return FALSE;
}
}
/**
+ * gst_rtsp_server_get_io_channel:
+ * @server: a #GstRTSPServer
+ *
+ * Create a #GIOChannel for @server.
+ *
+ * Returns: the GIOChannel for @server or NULL when an error occured.
+ */
+GIOChannel *
+gst_rtsp_server_get_io_channel (GstRTSPServer *server)
+{
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), NULL);
+
+ if (server->io_channel == NULL) {
+ if (!gst_rtsp_server_sink_init_send (server))
+ goto init_failed;
+
+ /* create IO channel for the socket */
+ server->io_channel = g_io_channel_unix_new (server->server_sock.fd);
+ }
+ return server->io_channel;
+
+init_failed:
+ {
+ return NULL;
+ }
+}
+
+/**
+ * gst_rtsp_server_create_watch:
+ * @server: a #GstRTSPServer
+ *
+ * Create a #GSource for @server. The new source will have a default
+ * #GIOFunc of gst_rtsp_server_io_func().
+ *
+ * Returns: the #GSource for @server or NULL when an error occured.
+ */
+GSource *
+gst_rtsp_server_create_watch (GstRTSPServer *server)
+{
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), NULL);
+
+ if (server->io_watch == NULL) {
+ GIOChannel *channel;
+
+ channel = gst_rtsp_server_get_io_channel (server);
+ if (channel == NULL)
+ goto no_channel;
+
+ /* create a watch for reads (new connections) and possible errors */
+ server->io_watch = g_io_create_watch (channel, G_IO_IN |
+ G_IO_ERR | G_IO_HUP | G_IO_NVAL);
+
+ /* configure the callback */
+ g_source_set_callback (server->io_watch, (GSourceFunc) gst_rtsp_server_io_func, server, NULL);
+ }
+ return server->io_watch;
+
+no_channel:
+ {
+ return NULL;
+ }
+}
+
+/**
* gst_rtsp_server_attach:
* @server: a #GstRTSPServer
* @context: a #GMainContext
gst_rtsp_server_attach (GstRTSPServer *server, GMainContext *context)
{
guint res;
+ GSource *source;
- if (!gst_rtsp_server_sink_init_send (server))
- goto init_failed;
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), 0);
- /* create IO channel for the socket */
- server->io_channel = g_io_channel_unix_new (server->server_sock.fd);
+ source = gst_rtsp_server_create_watch (server);
+ if (source == NULL)
+ goto no_source;
- /* create a watch for reads (new connections) and possible errors */
- server->io_watch = g_io_create_watch (server->io_channel, G_IO_IN |
- G_IO_ERR | G_IO_HUP | G_IO_NVAL);
-
- /* configure the callback */
- g_source_set_callback (server->io_watch, (GSourceFunc) server_dispatch, server, NULL);
-
- res = g_source_attach (server->io_watch, context);
+ res = g_source_attach (source, context);
return res;
/* ERRORS */
-init_failed:
+no_source:
{
return 0;
}
projects / platform / upstream / gstreamer.git / blobdiff