*
* 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., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
-#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
#include <string.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <sys/socket.h>
-#include <sys/wait.h>
-#include <fcntl.h>
-#include <arpa/inet.h>
-#include <sys/ioctl.h>
#include "rtsp-server.h"
#include "rtsp-client.h"
#define DEFAULT_ADDRESS "0.0.0.0"
+#define DEFAULT_BOUND_PORT -1
/* #define DEFAULT_ADDRESS "::0" */
#define DEFAULT_SERVICE "8554"
#define DEFAULT_BACKLOG 5
+#define DEFAULT_MAX_THREADS 0
/* Define to use the SO_LINGER option so that the server sockets can be resused
* sooner. Disabled for now because it is not very well implemented by various
PROP_0,
PROP_ADDRESS,
PROP_SERVICE,
+ PROP_BOUND_PORT,
PROP_BACKLOG,
PROP_SESSION_POOL,
PROP_MEDIA_MAPPING,
+ PROP_MAX_THREADS,
PROP_LAST
};
GST_DEBUG_CATEGORY_STATIC (rtsp_server_debug);
#define GST_CAT_DEFAULT rtsp_server_debug
+typedef struct _ClientContext ClientContext;
+
static guint gst_rtsp_server_signals[SIGNAL_LAST] = { 0 };
static void gst_rtsp_server_get_property (GObject * object, guint propid,
const GValue * value, GParamSpec * pspec);
static void gst_rtsp_server_finalize (GObject * object);
+static gpointer do_loop (ClientContext * ctx);
static GstRTSPClient *default_create_client (GstRTSPServer * server);
static gboolean default_accept_client (GstRTSPServer * server,
GstRTSPClient * client, GSocket * socket, GError ** error);
gobject_class->finalize = gst_rtsp_server_finalize;
/**
- * GstRTSPServer::address
+ * GstRTSPServer::address:
*
* The address of the server. This is the address where the server will
* listen on.
"The address the server uses to listen on", DEFAULT_ADDRESS,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstRTSPServer::service
+ * GstRTSPServer::service:
*
* The service of the server. This is either a string with the service name or
* a port number (as a string) the server will listen on.
"The service or port number the server uses to listen on",
DEFAULT_SERVICE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstRTSPServer::backlog
+ * GstRTSPServer::bound-port:
+ *
+ * The actual port the server is listening on. Can be used to retrieve the
+ * port number when the server is started on port 0, which means bind to a
+ * random port. Set to -1 if the server has not been bound yet.
+ */
+ g_object_class_install_property (gobject_class, PROP_BOUND_PORT,
+ g_param_spec_int ("bound-port", "Bound port",
+ "The port number the server is listening on",
+ -1, G_MAXUINT16, DEFAULT_BOUND_PORT,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+ /**
+ * 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
"of pending connections may grow", 0, G_MAXINT, DEFAULT_BACKLOG,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstRTSPServer::session-pool
+ * GstRTSPServer::session-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
GST_TYPE_RTSP_SESSION_POOL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
- * GstRTSPServer::media-mapping
+ * GstRTSPServer::media-mapping:
*
* The media mapping to use for this server. By default the server has no
* media mapping and thus cannot map urls to media streams.
"The media mapping to use for client session",
GST_TYPE_RTSP_MEDIA_MAPPING,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ /**
+ * GstRTSPServer::max-threads:
+ *
+ * The maximum amount of threads to use for client connections. A value of
+ * 0 means to use only the mainloop, -1 means an unlimited amount of
+ * threads.
+ */
+ g_object_class_install_property (gobject_class, PROP_MAX_THREADS,
+ g_param_spec_int ("max-threads", "Max Threads",
+ "The maximum amount of threads to use for client connections "
+ "(0 = only mainloop, -1 = unlimited)", -1, G_MAXINT,
+ DEFAULT_MAX_THREADS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_rtsp_server_signals[SIGNAL_CLIENT_CONNECTED] =
g_signal_new ("client-connected", G_TYPE_FROM_CLASS (gobject_class),
klass->create_client = default_create_client;
klass->accept_client = default_accept_client;
+ klass->pool = g_thread_pool_new ((GFunc) do_loop, klass, -1, FALSE, NULL);
+
GST_DEBUG_CATEGORY_INIT (rtsp_server_debug, "rtspserver", 0, "GstRTSPServer");
}
static void
gst_rtsp_server_init (GstRTSPServer * server)
{
- server->lock = g_mutex_new ();
+ g_mutex_init (&server->lock);
server->address = g_strdup (DEFAULT_ADDRESS);
server->service = g_strdup (DEFAULT_SERVICE);
+ server->socket = NULL;
server->backlog = DEFAULT_BACKLOG;
server->session_pool = gst_rtsp_session_pool_new ();
server->media_mapping = gst_rtsp_media_mapping_new ();
g_free (server->address);
g_free (server->service);
+ if (server->socket)
+ g_object_unref (server->socket);
g_object_unref (server->session_pool);
g_object_unref (server->media_mapping);
if (server->auth)
g_object_unref (server->auth);
- g_mutex_free (server->lock);
+ g_mutex_clear (&server->lock);
G_OBJECT_CLASS (gst_rtsp_server_parent_class)->finalize (object);
}
}
/**
+ * gst_rtsp_server_get_bound_port:
+ * @server: a #GstRTSPServer
+ *
+ * Get the port number where the server was bound to.
+ *
+ * Returns: the port number
+ */
+int
+gst_rtsp_server_get_bound_port (GstRTSPServer * server)
+{
+ GSocketAddress *address;
+ int result = -1;
+
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), result);
+
+ GST_RTSP_SERVER_LOCK (server);
+ if (server->socket == NULL)
+ goto out;
+
+ address = g_socket_get_local_address (server->socket, NULL);
+ result = g_inet_socket_address_get_port (G_INET_SOCKET_ADDRESS (address));
+ g_object_unref (address);
+
+out:
+ GST_RTSP_SERVER_UNLOCK (server);
+
+ return result;
+}
+
+/**
* gst_rtsp_server_set_service:
* @server: a #GstRTSPServer
* @service: the service
*
* Get the #GstRTSPSessionPool used as the session pool of @server.
*
- * Returns: the #GstRTSPSessionPool used for sessions. g_object_unref() after
+ * Returns: (transfer full): the #GstRTSPSessionPool used for sessions. g_object_unref() after
* usage.
*/
GstRTSPSessionPool *
*
* Get the #GstRTSPMediaMapping used as the media mapping of @server.
*
- * Returns: the #GstRTSPMediaMapping of @server. g_object_unref() after
+ * Returns: (transfer full): the #GstRTSPMediaMapping of @server. g_object_unref() after
* usage.
*/
GstRTSPMediaMapping *
*
* Get the #GstRTSPAuth used as the authentication manager of @server.
*
- * Returns: the #GstRTSPAuth of @server. g_object_unref() after
+ * Returns: (transfer full): the #GstRTSPAuth of @server. g_object_unref() after
* usage.
*/
GstRTSPAuth *
return result;
}
+/**
+ * gst_rtsp_server_set_max_threads:
+ * @server: a #GstRTSPServer
+ * @max_threads: maximum threads
+ *
+ * Set the maximum threads used by the server to handle client requests.
+ * A value of 0 will use the server mainloop, a value of -1 will use an
+ * unlimited number of threads.
+ */
+void
+gst_rtsp_server_set_max_threads (GstRTSPServer * server, gint max_threads)
+{
+ g_return_if_fail (GST_IS_RTSP_SERVER (server));
+
+ GST_RTSP_SERVER_LOCK (server);
+ server->max_threads = max_threads;
+ GST_RTSP_SERVER_UNLOCK (server);
+}
+
+/**
+ * gst_rtsp_server_get_max_threads:
+ * @server: a #GstRTSPServer
+ *
+ * Get the maximum number of threads used for client connections.
+ * See gst_rtsp_server_set_max_threads().
+ *
+ * Returns: the maximum number of threads.
+ */
+gint
+gst_rtsp_server_get_max_threads (GstRTSPServer * server)
+{
+ gint res;
+
+ g_return_val_if_fail (GST_IS_RTSP_SERVER (server), -1);
+
+ GST_RTSP_SERVER_LOCK (server);
+ res = server->max_threads;
+ GST_RTSP_SERVER_UNLOCK (server);
+
+ return res;
+}
+
+
static void
gst_rtsp_server_get_property (GObject * object, guint propid,
GValue * value, GParamSpec * pspec)
case PROP_SERVICE:
g_value_take_string (value, gst_rtsp_server_get_service (server));
break;
+ case PROP_BOUND_PORT:
+ g_value_set_int (value, gst_rtsp_server_get_bound_port (server));
+ break;
case PROP_BACKLOG:
g_value_set_int (value, gst_rtsp_server_get_backlog (server));
break;
case PROP_MEDIA_MAPPING:
g_value_take_object (value, gst_rtsp_server_get_media_mapping (server));
break;
+ case PROP_MAX_THREADS:
+ g_value_set_int (value, gst_rtsp_server_get_max_threads (server));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
}
case PROP_MEDIA_MAPPING:
gst_rtsp_server_set_media_mapping (server, g_value_get_object (value));
break;
+ case PROP_MAX_THREADS:
+ gst_rtsp_server_set_max_threads (server, g_value_get_int (value));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
}
* Create a #GSocket for @server. The socket will listen on the
* configured service.
*
- * Returns: the #GSocket for @server or NULL when an error occured.
+ * Returns: (transfer full): the #GSocket for @server or NULL when an error occured.
*/
GSocket *
gst_rtsp_server_create_socket (GstRTSPServer * server,
{
GSocketConnectable *conn;
GSocketAddressEnumerator *enumerator;
- GSocket *socket;
+ GSocket *socket = NULL;
#ifdef USE_SOLINGER
struct linger linger;
#endif
/* resolve the server IP address */
port = atoi (server->service);
- if (port != 0)
+ if (port != 0 || !strcmp (server->service, "0"))
conn = g_network_address_new (server->address, port);
else
conn = g_network_service_new (server->service, "tcp", server->address);
sockaddr =
g_socket_address_enumerator_next (enumerator, cancellable, error);
if (!sockaddr) {
- GST_DEBUG_OBJECT (server, "no more addresses %s", (*error)->message);
+ if (!*error)
+ GST_DEBUG_OBJECT (server, "no more addresses %s",
+ *error ? (*error)->message : "");
+ else
+ GST_DEBUG_OBJECT (server, "failed to retrieve next address %s",
+ (*error)->message);
break;
}
g_error_free (sock_error);
}
if (bind_error) {
- if (error == NULL)
+ if ((error == NULL) || (*error == NULL))
g_propagate_error (error, bind_error);
else
g_error_free (bind_error);
}
}
+struct _ClientContext
+{
+ GstRTSPServer *server;
+ GMainLoop *loop;
+ GMainContext *context;
+ GstRTSPClient *client;
+};
+
static void
-unmanage_client (GstRTSPClient * client, GstRTSPServer * server)
+free_client_context (ClientContext * ctx)
{
+ g_main_context_unref (ctx->context);
+ if (ctx->loop)
+ g_main_loop_unref (ctx->loop);
+ g_object_unref (ctx->client);
+ g_slice_free (ClientContext, ctx);
+}
+
+static gpointer
+do_loop (ClientContext * ctx)
+{
+ GST_INFO ("enter mainloop");
+ g_main_loop_run (ctx->loop);
+ GST_INFO ("exit mainloop");
+
+ free_client_context (ctx);
+
+ return NULL;
+}
+
+static void
+unmanage_client (GstRTSPClient * client, ClientContext * ctx)
+{
+ GstRTSPServer *server = ctx->server;
+
GST_DEBUG_OBJECT (server, "unmanage client %p", client);
g_object_ref (server);
gst_rtsp_client_set_server (client, NULL);
GST_RTSP_SERVER_LOCK (server);
- server->clients = g_list_remove (server->clients, client);
+ server->clients = g_list_remove (server->clients, ctx);
GST_RTSP_SERVER_UNLOCK (server);
- g_object_unref (server);
- g_object_unref (client);
+ if (ctx->loop)
+ g_main_loop_quit (ctx->loop);
+ else
+ free_client_context (ctx);
+
+ g_object_unref (server);
}
-/* add the client to the active list of clients, takes ownership of
- * the client */
+/* add the client context to the active list of clients, takes ownership
+ * of client */
static void
manage_client (GstRTSPServer * server, GstRTSPClient * client)
{
+ ClientContext *ctx;
+
GST_DEBUG_OBJECT (server, "manage client %p", client);
gst_rtsp_client_set_server (client, server);
+ ctx = g_slice_new0 (ClientContext);
+ ctx->server = server;
+ ctx->client = client;
+ if (server->max_threads == 0) {
+ GSource *source;
+
+ /* find the context to add the watch */
+ if ((source = g_main_current_source ()))
+ ctx->context = g_main_context_ref (g_source_get_context (source));
+ else
+ ctx->context = NULL;
+ } else {
+ ctx->context = g_main_context_new ();
+ ctx->loop = g_main_loop_new (ctx->context, TRUE);
+ }
+ gst_rtsp_client_attach (client, ctx->context);
+
GST_RTSP_SERVER_LOCK (server);
- g_signal_connect (client, "closed", (GCallback) unmanage_client, server);
- server->clients = g_list_prepend (server->clients, client);
+ g_signal_connect (client, "closed", (GCallback) unmanage_client, ctx);
+ server->clients = g_list_prepend (server->clients, ctx);
GST_RTSP_SERVER_UNLOCK (server);
+
+ if (ctx->loop) {
+ GstRTSPServerClass *klass = GST_RTSP_SERVER_GET_CLASS (server);
+
+ g_thread_pool_push (klass->pool, ctx, NULL);
+ }
}
static GstRTSPClient *
}
/**
+ * gst_rtsp_server_transfer_connection:
+ * @server: a #GstRTSPServer
+ * @socket: a network socket
+ * @ip: the IP address of the remote client
+ * @port: the port used by the other end
+ * @initial_buffer: any initial data that was already read from the socket
+ *
+ * Take an existing network socket and use it for an RTSP connection. This
+ * is used when transferring a socket from an HTTP server which should be used
+ * as an RTSP over HTTP tunnel. The @initial_buffer contains any remaining data
+ * that the HTTP server read from the socket while parsing the HTTP header.
+ *
+ * Returns: TRUE if all was ok, FALSE if an error occured.
+ */
+gboolean
+gst_rtsp_server_transfer_connection (GstRTSPServer * server, GSocket * socket,
+ const gchar * ip, gint port, const gchar * initial_buffer)
+{
+ GstRTSPClient *client = NULL;
+ GstRTSPServerClass *klass;
+ GError *error = NULL;
+
+ klass = GST_RTSP_SERVER_GET_CLASS (server);
+
+ if (klass->create_client)
+ client = klass->create_client (server);
+ if (client == NULL)
+ goto client_failed;
+
+ /* a new client connected, create a client object to handle the client. */
+ if (!gst_rtsp_client_use_socket (client, socket, ip,
+ port, initial_buffer, &error)) {
+ goto transfer_failed;
+ }
+
+ /* manage the client connection */
+ manage_client (server, client);
+
+ g_signal_emit (server, gst_rtsp_server_signals[SIGNAL_CLIENT_CONNECTED], 0,
+ client);
+
+ return TRUE;
+
+ /* ERRORS */
+client_failed:
+ {
+ GST_ERROR_OBJECT (server, "failed to create a client");
+ return FALSE;
+ }
+transfer_failed:
+ {
+ GST_ERROR_OBJECT (server, "failed to accept client: %s", error->message);
+ g_error_free (error);
+ g_object_unref (client);
+ return FALSE;
+ }
+}
+
+/**
* gst_rtsp_server_io_func:
* @socket: a #GSocket
* @condition: the condition on @source
+ * @server: a #GstRTSPServer
*
* A default #GSocketSourceFunc that creates a new #GstRTSPClient to accept and handle a
* new connection on @socket or @server.
gst_rtsp_server_io_func (GSocket * socket, GIOCondition condition,
GstRTSPServer * server)
{
- gboolean result;
+ gboolean result = TRUE;
GstRTSPClient *client = NULL;
GstRTSPServerClass *klass;
GError *error = NULL;
{
GST_ERROR_OBJECT (server, "failed to accept client: %s", error->message);
g_error_free (error);
- gst_object_unref (client);
+ g_object_unref (client);
return FALSE;
}
}
gst_rtsp_server_create_source (GstRTSPServer * server,
GCancellable * cancellable, GError ** error)
{
- GSocket *socket;
+ GSocket *socket, *old;
GSource *source;
g_return_val_if_fail (GST_IS_RTSP_SERVER (server), NULL);
if (socket == NULL)
goto no_socket;
+ GST_RTSP_SERVER_LOCK (server);
+ old = server->socket;
+ server->socket = g_object_ref (socket);
+ GST_RTSP_SERVER_UNLOCK (server);
+
+ if (old)
+ g_object_unref (old);
+
/* create a watch for reads (new connections) and possible errors */
source = g_socket_create_source (socket, G_IO_IN |
G_IO_ERR | G_IO_HUP | G_IO_NVAL, cancellable);
/**
* gst_rtsp_server_attach:
* @server: a #GstRTSPServer
- * @context: a #GMainContext
- * @error: a #GError
+ * @context: (allow-none): a #GMainContext
*
* Attaches @server to @context. When the mainloop for @context is run, the
* server will be dispatched. When @context is NULL, the default context will be