diff options
Diffstat (limited to 'mobile/gst/udp/gstmultiudpsink.c')
| -rw-r--r-- | mobile/gst/udp/gstmultiudpsink.c | 1299 |
1 files changed, 0 insertions, 1299 deletions
diff --git a/mobile/gst/udp/gstmultiudpsink.c b/mobile/gst/udp/gstmultiudpsink.c deleted file mode 100644 index 52e2333..0000000 --- a/mobile/gst/udp/gstmultiudpsink.c +++ /dev/null @@ -1,1299 +0,0 @@ -/* GStreamer - * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com> - * Copyright (C) <2009> Jarkko Palviainen <jarkko.palviainen@sesca.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., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/** - * SECTION:element-multiudpsink - * @see_also: udpsink, multifdsink - * - * multiudpsink is a network sink that sends UDP packets to multiple - * clients. - * It can be combined with rtp payload encoders to implement RTP streaming. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include "gstudp-marshal.h" -#include "gstmultiudpsink.h" - -#include <stdio.h> -#include <stdlib.h> -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <errno.h> -#include <string.h> - -#include "gst/glib-compat-private.h" - -GST_DEBUG_CATEGORY_STATIC (multiudpsink_debug); -#define GST_CAT_DEFAULT (multiudpsink_debug) - -#define UDP_MAX_SIZE 65507 - -static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS_ANY); - -/* MultiUDPSink signals and args */ -enum -{ - /* methods */ - SIGNAL_ADD, - SIGNAL_REMOVE, - SIGNAL_CLEAR, - SIGNAL_GET_STATS, - - /* signals */ - SIGNAL_CLIENT_ADDED, - SIGNAL_CLIENT_REMOVED, - - /* FILL ME */ - LAST_SIGNAL -}; - -#define DEFAULT_SOCKFD -1 -#define DEFAULT_CLOSEFD TRUE -#define DEFAULT_SOCK -1 -#define DEFAULT_CLIENTS NULL -#define DEFAULT_FAMILY 0 -/* FIXME, this should be disabled by default, we don't need to join a multicast - * group for sending, if this socket is also used for receiving, it should - * be configured in the element that does the receive. */ -#define DEFAULT_AUTO_MULTICAST TRUE -#define DEFAULT_TTL 64 -#define DEFAULT_TTL_MC 1 -#define DEFAULT_LOOP TRUE -#define DEFAULT_QOS_DSCP -1 -#define DEFAULT_SEND_DUPLICATES TRUE -#define DEFAULT_BUFFER_SIZE 0 - -enum -{ - PROP_0, - PROP_BYTES_TO_SERVE, - PROP_BYTES_SERVED, - PROP_SOCKFD, - PROP_CLOSEFD, - PROP_SOCK, - PROP_CLIENTS, - PROP_AUTO_MULTICAST, - PROP_TTL, - PROP_TTL_MC, - PROP_LOOP, - PROP_QOS_DSCP, - PROP_SEND_DUPLICATES, - PROP_BUFFER_SIZE, - PROP_LAST -}; - -#define CLOSE_IF_REQUESTED(udpctx) \ -G_STMT_START { \ - if ((!udpctx->externalfd) || (udpctx->externalfd && udpctx->closefd)) { \ - CLOSE_SOCKET(udpctx->sock); \ - if (udpctx->sock == udpctx->sockfd) \ - udpctx->sockfd = DEFAULT_SOCKFD; \ - } \ - udpctx->sock = DEFAULT_SOCK; \ -} G_STMT_END - -static void gst_multiudpsink_base_init (gpointer g_class); -static void gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass); -static void gst_multiudpsink_init (GstMultiUDPSink * udpsink); -static void gst_multiudpsink_finalize (GObject * object); - -static GstFlowReturn gst_multiudpsink_render (GstBaseSink * sink, - GstBuffer * buffer); -#ifndef G_OS_WIN32 /* sendmsg() is not available on Windows */ -static GstFlowReturn gst_multiudpsink_render_list (GstBaseSink * bsink, - GstBufferList * list); -#endif -static GstStateChangeReturn gst_multiudpsink_change_state (GstElement * - element, GstStateChange transition); - -static void gst_multiudpsink_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_multiudpsink_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); - -static void gst_multiudpsink_add_internal (GstMultiUDPSink * sink, - const gchar * host, gint port, gboolean lock); -static void gst_multiudpsink_clear_internal (GstMultiUDPSink * sink, - gboolean lock); - -static GstElementClass *parent_class = NULL; - -static guint gst_multiudpsink_signals[LAST_SIGNAL] = { 0 }; - -GType -gst_multiudpsink_get_type (void) -{ - static GType multiudpsink_type = 0; - - if (!multiudpsink_type) { - static const GTypeInfo multiudpsink_info = { - sizeof (GstMultiUDPSinkClass), - gst_multiudpsink_base_init, - NULL, - (GClassInitFunc) gst_multiudpsink_class_init, - NULL, - NULL, - sizeof (GstMultiUDPSink), - 0, - (GInstanceInitFunc) gst_multiudpsink_init, - NULL - }; - - multiudpsink_type = - g_type_register_static (GST_TYPE_BASE_SINK, "GstMultiUDPSink", - &multiudpsink_info, 0); - } - return multiudpsink_type; -} - -static void -gst_multiudpsink_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_add_static_pad_template (element_class, &sink_template); - - gst_element_class_set_details_simple (element_class, "UDP packet sender", - "Sink/Network", - "Send data over the network via UDP", - "Wim Taymans <wim.taymans@gmail.com>"); -} - -static void -gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - GstBaseSinkClass *gstbasesink_class; - - gobject_class = (GObjectClass *) klass; - gstelement_class = (GstElementClass *) klass; - gstbasesink_class = (GstBaseSinkClass *) klass; - - parent_class = g_type_class_peek_parent (klass); - - gobject_class->set_property = gst_multiudpsink_set_property; - gobject_class->get_property = gst_multiudpsink_get_property; - gobject_class->finalize = gst_multiudpsink_finalize; - - /** - * GstMultiUDPSink::add: - * @gstmultiudpsink: the sink on which the signal is emitted - * @host: the hostname/IP address of the client to add - * @port: the port of the client to add - * - * Add a client with destination @host and @port to the list of - * clients. When the same host/port pair is added multiple times, the - * send-duplicates property defines if the packets are sent multiple times to - * the same host/port pair or not. - * - * When a host/port pair is added multiple times, an equal amount of remove - * calls must be performed to actually remove the host/port pair from the list - * of destinations. - */ - gst_multiudpsink_signals[SIGNAL_ADD] = - g_signal_new ("add", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (GstMultiUDPSinkClass, add), - NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2, - G_TYPE_STRING, G_TYPE_INT); - /** - * GstMultiUDPSink::remove: - * @gstmultiudpsink: the sink on which the signal is emitted - * @host: the hostname/IP address of the client to remove - * @port: the port of the client to remove - * - * Remove the client with destination @host and @port from the list of - * clients. - */ - gst_multiudpsink_signals[SIGNAL_REMOVE] = - g_signal_new ("remove", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (GstMultiUDPSinkClass, remove), - NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2, - G_TYPE_STRING, G_TYPE_INT); - /** - * GstMultiUDPSink::clear: - * @gstmultiudpsink: the sink on which the signal is emitted - * - * Clear the list of clients. - */ - gst_multiudpsink_signals[SIGNAL_CLEAR] = - g_signal_new ("clear", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (GstMultiUDPSinkClass, clear), - NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); - /** - * GstMultiUDPSink::get-stats: - * @gstmultiudpsink: the sink on which the signal is emitted - * @host: the hostname/IP address of the client to get stats on - * @port: the port of the client to get stats on - * - * Get the statistics of the client with destination @host and @port. - * - * Returns: a GValueArray of uint64: bytes_sent, packets_sent, - * connect_time (in epoch seconds), disconnect_time (in epoch seconds) - */ - gst_multiudpsink_signals[SIGNAL_GET_STATS] = - g_signal_new ("get-stats", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, - G_STRUCT_OFFSET (GstMultiUDPSinkClass, get_stats), - NULL, NULL, gst_udp_marshal_BOXED__STRING_INT, G_TYPE_VALUE_ARRAY, 2, - G_TYPE_STRING, G_TYPE_INT); - /** - * GstMultiUDPSink::client-added: - * @gstmultiudpsink: the sink emitting the signal - * @host: the hostname/IP address of the added client - * @port: the port of the added client - * - * Signal emited when a new client is added to the list of - * clients. - */ - gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED] = - g_signal_new ("client-added", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass, client_added), - NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2, - G_TYPE_STRING, G_TYPE_INT); - /** - * GstMultiUDPSink::client-removed: - * @gstmultiudpsink: the sink emitting the signal - * @host: the hostname/IP address of the removed client - * @port: the port of the removed client - * - * Signal emited when a client is removed from the list of - * clients. - */ - gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED] = - g_signal_new ("client-removed", G_TYPE_FROM_CLASS (klass), - G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass, - client_removed), NULL, NULL, gst_udp_marshal_VOID__STRING_INT, - G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT); - - g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_TO_SERVE, - g_param_spec_uint64 ("bytes-to-serve", "Bytes to serve", - "Number of bytes received to serve to clients", 0, G_MAXUINT64, 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_SERVED, - g_param_spec_uint64 ("bytes-served", "Bytes served", - "Total number of bytes sent to all clients", 0, G_MAXUINT64, 0, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_SOCKFD, - g_param_spec_int ("sockfd", "Socket Handle", - "Socket to use for UDP sending. (-1 == allocate)", - -1, G_MAXINT, DEFAULT_SOCKFD, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_CLOSEFD, - g_param_spec_boolean ("closefd", "Close sockfd", - "Close sockfd if passed as property on state change", - DEFAULT_CLOSEFD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_SOCK, - g_param_spec_int ("sock", "Socket Handle", - "Socket currently in use for UDP sending. (-1 == no socket)", - -1, G_MAXINT, DEFAULT_SOCK, - G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_CLIENTS, - g_param_spec_string ("clients", "Clients", - "A comma separated list of host:port pairs with destinations", - DEFAULT_CLIENTS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_AUTO_MULTICAST, - g_param_spec_boolean ("auto-multicast", - "Automatically join/leave multicast groups", - "Automatically join/leave the multicast groups, FALSE means user" - " has to do it himself", DEFAULT_AUTO_MULTICAST, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_TTL, - g_param_spec_int ("ttl", "Unicast TTL", - "Used for setting the unicast TTL parameter", - 0, 255, DEFAULT_TTL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_TTL_MC, - g_param_spec_int ("ttl-mc", "Multicast TTL", - "Used for setting the multicast TTL parameter", - 0, 255, DEFAULT_TTL_MC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_LOOP, - g_param_spec_boolean ("loop", "Multicast Loopback", - "Used for setting the multicast loop parameter. TRUE = enable," - " FALSE = disable", DEFAULT_LOOP, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_QOS_DSCP, - g_param_spec_int ("qos-dscp", "QoS diff srv code point", - "Quality of Service, differentiated services code point (-1 default)", - -1, 63, DEFAULT_QOS_DSCP, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - /** - * GstMultiUDPSink::send-duplicates - * - * When a host/port pair is added mutliple times, send the packet to the host - * multiple times as well. - * - * Since: 0.10.26 - */ - g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SEND_DUPLICATES, - g_param_spec_boolean ("send-duplicates", "Send Duplicates", - "When a distination/port pair is added multiple times, send packets " - "multiple times as well", DEFAULT_SEND_DUPLICATES, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BUFFER_SIZE, - g_param_spec_int ("buffer-size", "Buffer Size", - "Size of the kernel send buffer in bytes, 0=default", 0, G_MAXINT, - DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - gstelement_class->change_state = gst_multiudpsink_change_state; - - gstbasesink_class->render = gst_multiudpsink_render; -#ifndef G_OS_WIN32 - gstbasesink_class->render_list = gst_multiudpsink_render_list; -#endif - klass->add = gst_multiudpsink_add; - klass->remove = gst_multiudpsink_remove; - klass->clear = gst_multiudpsink_clear; - klass->get_stats = gst_multiudpsink_get_stats; - - GST_DEBUG_CATEGORY_INIT (multiudpsink_debug, "multiudpsink", 0, "UDP sink"); -} - - -static void -gst_multiudpsink_init (GstMultiUDPSink * sink) -{ - WSA_STARTUP (sink); - - sink->client_lock = g_mutex_new (); - sink->sock = DEFAULT_SOCK; - sink->sockfd = DEFAULT_SOCKFD; - sink->closefd = DEFAULT_CLOSEFD; - sink->externalfd = (sink->sockfd != -1); - sink->auto_multicast = DEFAULT_AUTO_MULTICAST; - sink->ttl = DEFAULT_TTL; - sink->ttl_mc = DEFAULT_TTL_MC; - sink->loop = DEFAULT_LOOP; - sink->qos_dscp = DEFAULT_QOS_DSCP; - sink->ss_family = DEFAULT_FAMILY; - sink->send_duplicates = DEFAULT_SEND_DUPLICATES; -} - -static GstUDPClient * -create_client (GstMultiUDPSink * sink, const gchar * host, gint port) -{ - GstUDPClient *client; - - client = g_slice_new0 (GstUDPClient); - client->refcount = 1; - client->host = g_strdup (host); - client->port = port; - - return client; -} - -static void -free_client (GstUDPClient * client) -{ - g_free (client->host); - g_slice_free (GstUDPClient, client); -} - -static gint -client_compare (GstUDPClient * a, GstUDPClient * b) -{ - if ((a->port == b->port) && (strcmp (a->host, b->host) == 0)) - return 0; - - return 1; -} - -static void -gst_multiudpsink_finalize (GObject * object) -{ - GstMultiUDPSink *sink; - - sink = GST_MULTIUDPSINK (object); - - g_list_foreach (sink->clients, (GFunc) free_client, NULL); - g_list_free (sink->clients); - - if (sink->sockfd >= 0 && sink->closefd) - CLOSE_SOCKET (sink->sockfd); - - g_mutex_free (sink->client_lock); - - WSA_CLEANUP (object); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static gboolean -socket_error_is_ignorable (void) -{ -#ifdef G_OS_WIN32 - /* Windows doesn't seem to have an EAGAIN for sockets */ - return WSAGetLastError () == WSAEINTR; -#else - return errno == EINTR || errno == EAGAIN; -#endif -} - -static int -socket_last_error_code (void) -{ -#ifdef G_OS_WIN32 - return WSAGetLastError (); -#else - return errno; -#endif -} - -static gchar * -socket_last_error_message (void) -{ -#ifdef G_OS_WIN32 - int errorcode = WSAGetLastError (); - wchar_t buf[1024]; - DWORD result = - FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, errorcode, 0, (LPSTR) buf, sizeof (buf) / sizeof (wchar_t), NULL); - if (FAILED (result)) { - return g_strdup ("failed to get error message from system"); - } else { - gchar *res = - g_convert ((gchar *) buf, -1, "UTF-16", "UTF-8", NULL, NULL, NULL); - /* g_convert() internally calls windows functions which reset the - windows error code, so fix it up again like this */ - WSASetLastError (errorcode); - return res; - } -#else - return g_strdup (g_strerror (errno)); -#endif -} - -static GstFlowReturn -gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer) -{ - GstMultiUDPSink *sink; - gint ret, size, num = 0, no_clients = 0; - guint8 *data; - GList *clients; - gint len; - - sink = GST_MULTIUDPSINK (bsink); - - size = GST_BUFFER_SIZE (buffer); - data = GST_BUFFER_DATA (buffer); - - if (size > UDP_MAX_SIZE) { - GST_WARNING ("Attempting to send a UDP packet larger than maximum " - "size (%d > %d)", size, UDP_MAX_SIZE); - } - - sink->bytes_to_serve += size; - - /* grab lock while iterating and sending to clients, this should be - * fast as UDP never blocks */ - g_mutex_lock (sink->client_lock); - GST_LOG_OBJECT (bsink, "about to send %d bytes", size); - - for (clients = sink->clients; clients; clients = g_list_next (clients)) { - GstUDPClient *client; - gint count; - - client = (GstUDPClient *) clients->data; - no_clients++; - GST_LOG_OBJECT (sink, "sending %d bytes to client %p", size, client); - - count = sink->send_duplicates ? client->refcount : 1; - - while (count--) { - while (TRUE) { - len = gst_udp_get_sockaddr_length (&client->theiraddr); - - ret = sendto (*client->sock, -#ifdef G_OS_WIN32 - (char *) data, -#else - data, -#endif - size, 0, (struct sockaddr *) &client->theiraddr, len); - - if (ret < 0) { - /* some error, just warn, it's likely recoverable and we don't want to - * break streaming. We break so that we stop retrying for this client. */ - if (!socket_error_is_ignorable ()) { - gchar *errormessage = socket_last_error_message (); - GST_WARNING_OBJECT (sink, "client %p gave error %d (%s)", client, - socket_last_error_code (), errormessage); - g_free (errormessage); - break; - } - } else { - num++; - client->bytes_sent += ret; - client->packets_sent++; - sink->bytes_served += ret; - break; - } - } - } - } - g_mutex_unlock (sink->client_lock); - - GST_LOG_OBJECT (sink, "sent %d bytes to %d (of %d) clients", size, num, - no_clients); - - return GST_FLOW_OK; -} - -#ifndef G_OS_WIN32 -static GstFlowReturn -gst_multiudpsink_render_list (GstBaseSink * bsink, GstBufferList * list) -{ - GstMultiUDPSink *sink; - GList *clients; - gint ret, size = 0, num = 0, no_clients = 0; - struct iovec *iov; - struct msghdr msg = { 0 }; - - GstBufferListIterator *it; - guint gsize; - GstBuffer *buf; - - sink = GST_MULTIUDPSINK (bsink); - - g_return_val_if_fail (list != NULL, GST_FLOW_ERROR); - - it = gst_buffer_list_iterate (list); - g_return_val_if_fail (it != NULL, GST_FLOW_ERROR); - - while (gst_buffer_list_iterator_next_group (it)) { - msg.msg_iovlen = 0; - size = 0; - - if ((gsize = gst_buffer_list_iterator_n_buffers (it)) == 0) { - goto invalid_list; - } - - iov = (struct iovec *) g_malloc (gsize * sizeof (struct iovec)); - msg.msg_iov = iov; - - while ((buf = gst_buffer_list_iterator_next (it))) { - if (GST_BUFFER_SIZE (buf) > UDP_MAX_SIZE) { - GST_WARNING ("Attempting to send a UDP packet larger than maximum " - "size (%d > %d)", GST_BUFFER_SIZE (buf), UDP_MAX_SIZE); - } - - msg.msg_iov[msg.msg_iovlen].iov_len = GST_BUFFER_SIZE (buf); - msg.msg_iov[msg.msg_iovlen].iov_base = GST_BUFFER_DATA (buf); - msg.msg_iovlen++; - size += GST_BUFFER_SIZE (buf); - } - - sink->bytes_to_serve += size; - - /* grab lock while iterating and sending to clients, this should be - * fast as UDP never blocks */ - g_mutex_lock (sink->client_lock); - GST_LOG_OBJECT (bsink, "about to send %d bytes", size); - - for (clients = sink->clients; clients; clients = g_list_next (clients)) { - GstUDPClient *client; - gint count; - - client = (GstUDPClient *) clients->data; - no_clients++; - GST_LOG_OBJECT (sink, "sending %d bytes to client %p", size, client); - - count = sink->send_duplicates ? client->refcount : 1; - - while (count--) { - while (TRUE) { - msg.msg_name = (void *) &client->theiraddr; - msg.msg_namelen = sizeof (client->theiraddr); - ret = sendmsg (*client->sock, &msg, 0); - - if (ret < 0) { - if (!socket_error_is_ignorable ()) { - break; - } - } else { - num++; - client->bytes_sent += ret; - client->packets_sent++; - sink->bytes_served += ret; - break; - } - } - } - } - g_mutex_unlock (sink->client_lock); - - g_free (iov); - msg.msg_iov = NULL; - - GST_LOG_OBJECT (sink, "sent %d bytes to %d (of %d) clients", size, num, - no_clients); - } - - gst_buffer_list_iterator_free (it); - - return GST_FLOW_OK; - -invalid_list: - gst_buffer_list_iterator_free (it); - return GST_FLOW_ERROR; -} -#endif - -static void -gst_multiudpsink_set_clients_string (GstMultiUDPSink * sink, - const gchar * string) -{ - gchar **clients; - gint i; - - clients = g_strsplit (string, ",", 0); - - g_mutex_lock (sink->client_lock); - /* clear all existing clients */ - gst_multiudpsink_clear_internal (sink, FALSE); - for (i = 0; clients[i]; i++) { - gchar *host, *p; - gint port = 0; - - host = clients[i]; - p = strstr (clients[i], ":"); - if (p != NULL) { - *p = '\0'; - port = atoi (p + 1); - } - if (port != 0) - gst_multiudpsink_add_internal (sink, host, port, FALSE); - } - g_mutex_unlock (sink->client_lock); - - g_strfreev (clients); -} - -static gchar * -gst_multiudpsink_get_clients_string (GstMultiUDPSink * sink) -{ - GString *str; - GList *clients; - - str = g_string_new (""); - - g_mutex_lock (sink->client_lock); - clients = sink->clients; - while (clients) { - GstUDPClient *client; - gint count; - - client = (GstUDPClient *) clients->data; - - clients = g_list_next (clients); - - count = client->refcount; - while (count--) { - g_string_append_printf (str, "%s:%d%s", client->host, client->port, - (clients || count > 1 ? "," : "")); - } - } - g_mutex_unlock (sink->client_lock); - - return g_string_free (str, FALSE); -} - -static void -gst_multiudpsink_setup_qos_dscp (GstMultiUDPSink * sink) -{ - gint tos; - - /* don't touch on -1 */ - if (sink->qos_dscp < 0) - return; - - if (sink->sock < 0) - return; - - GST_DEBUG_OBJECT (sink, "setting TOS to %d", sink->qos_dscp); - - /* Extract and shift 6 bits of DSFIELD */ - tos = (sink->qos_dscp & 0x3f) << 2; - - if (setsockopt (sink->sock, IPPROTO_IP, IP_TOS, &tos, sizeof (tos)) < 0) { - gchar *errormessage = socket_last_error_message (); - GST_ERROR_OBJECT (sink, "could not set TOS: %s", errormessage); - g_free (errormessage); - } -#ifdef IPV6_TCLASS - if (setsockopt (sink->sock, IPPROTO_IPV6, IPV6_TCLASS, &tos, - sizeof (tos)) < 0) { - gchar *errormessage = socket_last_error_message (); - GST_ERROR_OBJECT (sink, "could not set TCLASS: %s", errormessage); - g_free (errormessage); - } -#endif -} - -static void -gst_multiudpsink_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstMultiUDPSink *udpsink; - - udpsink = GST_MULTIUDPSINK (object); - - switch (prop_id) { - case PROP_SOCKFD: - if (udpsink->sockfd >= 0 && udpsink->sockfd != udpsink->sock && - udpsink->closefd) - CLOSE_SOCKET (udpsink->sockfd); - udpsink->sockfd = g_value_get_int (value); - GST_DEBUG_OBJECT (udpsink, "setting SOCKFD to %d", udpsink->sockfd); - break; - case PROP_CLOSEFD: - udpsink->closefd = g_value_get_boolean (value); - break; - case PROP_CLIENTS: - gst_multiudpsink_set_clients_string (udpsink, g_value_get_string (value)); - break; - case PROP_AUTO_MULTICAST: - udpsink->auto_multicast = g_value_get_boolean (value); - break; - case PROP_TTL: - udpsink->ttl = g_value_get_int (value); - break; - case PROP_TTL_MC: - udpsink->ttl_mc = g_value_get_int (value); - break; - case PROP_LOOP: - udpsink->loop = g_value_get_boolean (value); - break; - case PROP_QOS_DSCP: - udpsink->qos_dscp = g_value_get_int (value); - gst_multiudpsink_setup_qos_dscp (udpsink); - break; - case PROP_SEND_DUPLICATES: - udpsink->send_duplicates = g_value_get_boolean (value); - break; - case PROP_BUFFER_SIZE: - udpsink->buffer_size = g_value_get_int (value); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_multiudpsink_get_property (GObject * object, guint prop_id, GValue * value, - GParamSpec * pspec) -{ - GstMultiUDPSink *udpsink; - - udpsink = GST_MULTIUDPSINK (object); - - switch (prop_id) { - case PROP_BYTES_TO_SERVE: - g_value_set_uint64 (value, udpsink->bytes_to_serve); - break; - case PROP_BYTES_SERVED: - g_value_set_uint64 (value, udpsink->bytes_served); - break; - case PROP_SOCKFD: - g_value_set_int (value, udpsink->sockfd); - break; - case PROP_CLOSEFD: - g_value_set_boolean (value, udpsink->closefd); - break; - case PROP_SOCK: - g_value_set_int (value, udpsink->sock); - break; - case PROP_CLIENTS: - g_value_take_string (value, - gst_multiudpsink_get_clients_string (udpsink)); - break; - case PROP_AUTO_MULTICAST: - g_value_set_boolean (value, udpsink->auto_multicast); - break; - case PROP_TTL: - g_value_set_int (value, udpsink->ttl); - break; - case PROP_TTL_MC: - g_value_set_int (value, udpsink->ttl_mc); - break; - case PROP_LOOP: - g_value_set_boolean (value, udpsink->loop); - break; - case PROP_QOS_DSCP: - g_value_set_int (value, udpsink->qos_dscp); - break; - case PROP_SEND_DUPLICATES: - g_value_set_boolean (value, udpsink->send_duplicates); - break; - case PROP_BUFFER_SIZE: - g_value_set_int (value, udpsink->buffer_size); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static gboolean -gst_multiudpsink_configure_client (GstMultiUDPSink * sink, - GstUDPClient * client) -{ - GST_DEBUG_OBJECT (sink, "configuring client %p", client); - - if (gst_udp_is_multicast (&client->theiraddr)) { - GST_DEBUG_OBJECT (sink, "we have a multicast client %p", client); - if (sink->auto_multicast) { - GST_DEBUG_OBJECT (sink, "autojoining group"); - if (gst_udp_join_group (*(client->sock), &client->theiraddr, NULL) - != 0) - goto join_group_failed; - } - GST_DEBUG_OBJECT (sink, "setting loop to %d", sink->loop); - if (gst_udp_set_loop (sink->sock, sink->ss_family, sink->loop) != 0) - goto loop_failed; - GST_DEBUG_OBJECT (sink, "setting ttl to %d", sink->ttl_mc); - if (gst_udp_set_ttl (sink->sock, sink->ss_family, sink->ttl_mc, TRUE) != 0) - goto ttl_failed; - } else { - GST_DEBUG_OBJECT (sink, "setting unicast ttl to %d", sink->ttl); - if (gst_udp_set_ttl (sink->sock, sink->ss_family, sink->ttl, FALSE) != 0) - goto ttl_failed; - } - return TRUE; - - /* ERRORS */ -join_group_failed: - { - gchar *errormessage = socket_last_error_message (); - int errorcode = socket_last_error_code (); - CLOSE_IF_REQUESTED (sink); - GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL), - ("Could not join multicast group (%d): %s", errorcode, errormessage)); - g_free (errormessage); - return FALSE; - } -ttl_failed: - { - gchar *errormessage = socket_last_error_message (); - int errorcode = socket_last_error_code (); - CLOSE_IF_REQUESTED (sink); - GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL), - ("Could not set TTL socket option (%d): %s", errorcode, errormessage)); - g_free (errormessage); - return FALSE; - } -loop_failed: - { - gchar *errormessage = socket_last_error_message (); - int errorcode = socket_last_error_code (); - CLOSE_IF_REQUESTED (sink); - GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL), - ("Could not set loopback socket option (%d): %s", - errorcode, errormessage)); - g_free (errormessage); - return FALSE; - } -} - -/* create a socket for sending to remote machine */ -static gboolean -gst_multiudpsink_init_send (GstMultiUDPSink * sink) -{ - guint bc_val; - GList *clients; - GstUDPClient *client; - int sndsize, ret; - socklen_t len; - - if (sink->sockfd == -1) { - GST_DEBUG_OBJECT (sink, "creating sockets"); - /* create sender socket try IP6, fall back to IP4 */ - sink->ss_family = AF_INET6; - if ((sink->sock = socket (AF_INET6, SOCK_DGRAM, 0)) == -1) { - sink->ss_family = AF_INET; - if ((sink->sock = socket (AF_INET, SOCK_DGRAM, 0)) == -1) - goto no_socket; - } - - GST_DEBUG_OBJECT (sink, "have socket"); - sink->externalfd = FALSE; - } else { - struct sockaddr_storage myaddr; - - GST_DEBUG_OBJECT (sink, "using configured socket"); - /* we use the configured socket, try to get some info about it */ - len = sizeof (myaddr); - if (getsockname (sink->sockfd, (struct sockaddr *) &myaddr, &len) < 0) - goto getsockname_error; - - sink->ss_family = myaddr.ss_family; - /* we use the configured socket */ - sink->sock = sink->sockfd; - sink->externalfd = TRUE; - } - - len = sizeof (sndsize); -#if 0 //WFD wifi Device socket size issue, kernel 3.4.5 patch (sendto() performance -to use default buffer size) - - if (sink->buffer_size != 0) { - sndsize = sink->buffer_size; - - GST_DEBUG_OBJECT (sink, "setting udp buffer of %d bytes", sndsize); - /* set buffer size, Note that on Linux this is typically limited to a - * maximum of around 100K. Also a minimum of 128 bytes is required on - * Linux. */ - ret = - setsockopt (sink->sockfd, SOL_SOCKET, SO_SNDBUF, (void *) &sndsize, - len); - if (ret != 0) { - GST_ELEMENT_WARNING (sink, RESOURCE, SETTINGS, (NULL), - ("Could not create a buffer of requested %d bytes, %d: %s (%d)", - sndsize, ret, g_strerror (errno), errno)); - } - } -#endif - /* read the value of the receive buffer. Note that on linux this returns 2x the - * value we set because the kernel allocates extra memory for metadata. - * The default on Linux is about 100K (which is about 50K without metadata) */ - ret = - getsockopt (sink->sockfd, SOL_SOCKET, SO_SNDBUF, (void *) &sndsize, &len); - if (ret == 0) - GST_DEBUG_OBJECT (sink, "have udp buffer of %d bytes", sndsize); - else - GST_DEBUG_OBJECT (sink, "could not get udp buffer size"); - - - bc_val = 1; - if (setsockopt (sink->sock, SOL_SOCKET, SO_BROADCAST, &bc_val, - sizeof (bc_val)) < 0) - goto no_broadcast; - - sink->bytes_to_serve = 0; - sink->bytes_served = 0; - - gst_multiudpsink_setup_qos_dscp (sink); - - /* look for multicast clients and join multicast groups appropriately - set also ttl and multicast loopback delivery appropriately */ - for (clients = sink->clients; clients; clients = g_list_next (clients)) { - client = (GstUDPClient *) clients->data; - - if (!gst_multiudpsink_configure_client (sink, client)) - return FALSE; - } - return TRUE; - - /* ERRORS */ -no_socket: - { - gchar *errormessage = socket_last_error_message (); - int errorcode = socket_last_error_code (); - GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL), - ("Could not create socket (%d): %s", errorcode, errormessage)); - g_free (errormessage); - return FALSE; - } -getsockname_error: - { - gchar *errormessage = socket_last_error_message (); - int errorcode = socket_last_error_code (); - GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL), - ("Could not getsockname (%d): %s", errorcode, errormessage)); - g_free (errormessage); - return FALSE; - } -no_broadcast: - { - gchar *errormessage = socket_last_error_message (); - int errorcode = socket_last_error_code (); - CLOSE_IF_REQUESTED (sink); - GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL), - ("Could not set broadcast socket option (%d): %s", - errorcode, errormessage)); - g_free (errormessage); - return FALSE; - } -} - -static void -gst_multiudpsink_close (GstMultiUDPSink * sink) -{ - CLOSE_IF_REQUESTED (sink); -} - -static void -gst_multiudpsink_add_internal (GstMultiUDPSink * sink, const gchar * host, - gint port, gboolean lock) -{ - GstUDPClient *client; - GstUDPClient udpclient; - GTimeVal now; - GList *find; - - udpclient.host = (gchar *) host; - udpclient.port = port; - - GST_DEBUG_OBJECT (sink, "adding client on host %s, port %d", host, port); - - if (lock) - g_mutex_lock (sink->client_lock); - - find = g_list_find_custom (sink->clients, &udpclient, - (GCompareFunc) client_compare); - if (find) { - client = (GstUDPClient *) find->data; - - GST_DEBUG_OBJECT (sink, "found %d existing clients with host %s, port %d", - client->refcount, host, port); - client->refcount++; - } else { - client = create_client (sink, host, port); - - client->sock = &sink->sock; - - if (gst_udp_get_addr (host, port, &client->theiraddr) < 0) - goto getaddrinfo_error; - - g_get_current_time (&now); - client->connect_time = GST_TIMEVAL_TO_TIME (now); - - if (*client->sock > 0) { - gst_multiudpsink_configure_client (sink, client); - } - - GST_DEBUG_OBJECT (sink, "add client with host %s, port %d", host, port); - sink->clients = g_list_prepend (sink->clients, client); - } - - if (lock) - g_mutex_unlock (sink->client_lock); - - g_signal_emit (G_OBJECT (sink), - gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED], 0, host, port); - - GST_DEBUG_OBJECT (sink, "added client on host %s, port %d", host, port); - return; - - /* ERRORS */ -getaddrinfo_error: - { - GST_DEBUG_OBJECT (sink, "did not add client on host %s, port %d", host, - port); - GST_WARNING_OBJECT (sink, "getaddrinfo lookup error?"); - free_client (client); - if (lock) - g_mutex_unlock (sink->client_lock); - return; - } -} - -void -gst_multiudpsink_add (GstMultiUDPSink * sink, const gchar * host, gint port) -{ - gst_multiudpsink_add_internal (sink, host, port, TRUE); -} - -void -gst_multiudpsink_remove (GstMultiUDPSink * sink, const gchar * host, gint port) -{ - GList *find; - GstUDPClient udpclient; - GstUDPClient *client; - GTimeVal now; - - udpclient.host = (gchar *) host; - udpclient.port = port; - - g_mutex_lock (sink->client_lock); - find = g_list_find_custom (sink->clients, &udpclient, - (GCompareFunc) client_compare); - if (!find) - goto not_found; - - client = (GstUDPClient *) find->data; - - GST_DEBUG_OBJECT (sink, "found %d clients with host %s, port %d", - client->refcount, host, port); - - client->refcount--; - if (client->refcount == 0) { - GST_DEBUG_OBJECT (sink, "remove client with host %s, port %d", host, port); - - g_get_current_time (&now); - client->disconnect_time = GST_TIMEVAL_TO_TIME (now); - - if (*(client->sock) != -1 && sink->auto_multicast - && gst_udp_is_multicast (&client->theiraddr)) - gst_udp_leave_group (*(client->sock), &client->theiraddr); - - /* Unlock to emit signal before we delete the actual client */ - g_mutex_unlock (sink->client_lock); - g_signal_emit (G_OBJECT (sink), - gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED], 0, host, port); - g_mutex_lock (sink->client_lock); - - sink->clients = g_list_delete_link (sink->clients, find); - - free_client (client); - } - g_mutex_unlock (sink->client_lock); - - return; - - /* ERRORS */ -not_found: - { - g_mutex_unlock (sink->client_lock); - GST_WARNING_OBJECT (sink, "client at host %s, port %d not found", - host, port); - return; - } -} - -static void -gst_multiudpsink_clear_internal (GstMultiUDPSink * sink, gboolean lock) -{ - GST_DEBUG_OBJECT (sink, "clearing"); - /* we only need to remove the client structure, there is no additional - * socket or anything to free for UDP */ - if (lock) - g_mutex_lock (sink->client_lock); - g_list_foreach (sink->clients, (GFunc) free_client, sink); - g_list_free (sink->clients); - sink->clients = NULL; - if (lock) - g_mutex_unlock (sink->client_lock); -} - -void -gst_multiudpsink_clear (GstMultiUDPSink * sink) -{ - gst_multiudpsink_clear_internal (sink, TRUE); -} - -GValueArray * -gst_multiudpsink_get_stats (GstMultiUDPSink * sink, const gchar * host, - gint port) -{ - GstUDPClient *client; - GValueArray *result = NULL; - GstUDPClient udpclient; - GList *find; - GValue value = { 0 }; - - udpclient.host = (gchar *) host; - udpclient.port = port; - - g_mutex_lock (sink->client_lock); - - find = g_list_find_custom (sink->clients, &udpclient, - (GCompareFunc) client_compare); - if (!find) - goto not_found; - - GST_DEBUG_OBJECT (sink, "stats for client with host %s, port %d", host, port); - - client = (GstUDPClient *) find->data; - - /* Result is a value array of (bytes_sent, packets_sent, - * connect_time, disconnect_time), all as uint64 */ - result = g_value_array_new (4); - - g_value_init (&value, G_TYPE_UINT64); - g_value_set_uint64 (&value, client->bytes_sent); - result = g_value_array_append (result, &value); - g_value_unset (&value); - - g_value_init (&value, G_TYPE_UINT64); - g_value_set_uint64 (&value, client->packets_sent); - result = g_value_array_append (result, &value); - g_value_unset (&value); - - g_value_init (&value, G_TYPE_UINT64); - g_value_set_uint64 (&value, client->connect_time); - result = g_value_array_append (result, &value); - g_value_unset (&value); - - g_value_init (&value, G_TYPE_UINT64); - g_value_set_uint64 (&value, client->disconnect_time); - result = g_value_array_append (result, &value); - g_value_unset (&value); - - g_mutex_unlock (sink->client_lock); - - return result; - - /* ERRORS */ -not_found: - { - g_mutex_unlock (sink->client_lock); - GST_WARNING_OBJECT (sink, "client with host %s, port %d not found", - host, port); - /* Apparently (see comment in gstmultifdsink.c) returning NULL from here may - * confuse/break python bindings */ - return g_value_array_new (0); - } -} - -static GstStateChangeReturn -gst_multiudpsink_change_state (GstElement * element, GstStateChange transition) -{ - GstStateChangeReturn ret; - GstMultiUDPSink *sink; - - sink = GST_MULTIUDPSINK (element); - - switch (transition) { - case GST_STATE_CHANGE_READY_TO_PAUSED: - if (!gst_multiudpsink_init_send (sink)) - goto no_init; - break; - default: - break; - } - - ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - - switch (transition) { - case GST_STATE_CHANGE_PAUSED_TO_READY: - gst_multiudpsink_close (sink); - break; - default: - break; - } - return ret; - - /* ERRORS */ -no_init: - { - /* _init_send() posted specific error already */ - return GST_STATE_CHANGE_FAILURE; - } -} |