/**
* gst_net_time_packet_send:
* @packet: the #GstNetTimePacket to send
* @socket: socket to send the time packet on
* @dest_address: address to send the time packet to
* @error: return address for a #GError, or NULL
*
* Sends a #GstNetTimePacket over a socket.
*
* MT safe.
*
* Returns: TRUE if successful, FALSE in case an error occurred.
*/
gboolean
gst_net_time_packet_send (const GstNetTimePacket * packet,
GSocket * socket, GSocketAddress * dest_address, GError ** error)
{
gboolean was_blocking;
guint8 *buffer;
gssize res;
g_return_val_if_fail (packet != NULL, FALSE);
g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
g_return_val_if_fail (G_IS_SOCKET_ADDRESS (dest_address), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
was_blocking = g_socket_get_blocking (socket);
if (was_blocking)
g_socket_set_blocking (socket, FALSE);
/* FIXME: avoid pointless alloc/free, serialise into stack-allocated buffer */
buffer = gst_net_time_packet_serialize (packet);
res = g_socket_send_to (socket, dest_address, (const gchar *) buffer,
GST_NET_TIME_PACKET_SIZE, NULL, error);
/* datagram packets should be sent as a whole or not at all */
g_assert (res < 0 || res == GST_NET_TIME_PACKET_SIZE);
g_free (buffer);
if (was_blocking)
g_socket_set_blocking (socket, TRUE);
return (res == GST_NET_TIME_PACKET_SIZE);
}
/**
* g_vfs_ftp_connection_accept_data_connection:
* @conn: a listening connection
* @cancellable: cancellable to interrupt wait
* @error: %NULL or location to take a potential error
*
* Opens a data connection for @conn by accepting an incoming connection on the
* address it is listening on via g_vfs_ftp_connection_listen_data_connection(),
* which must have been called prior to this function.
* If this function succeeds, a data connection will have been opened, and calls
* to g_vfs_ftp_connection_get_data_stream() will work.
*
* Returns: %TRUE if a connection was successfully acquired
**/
gboolean
g_vfs_ftp_connection_accept_data_connection (GVfsFtpConnection *conn,
GCancellable * cancellable,
GError ** error)
{
GSocket *accepted;
GCancellable *timer;
gulong cancel_cb_id;
GIOCondition condition;
g_return_val_if_fail (conn != NULL, FALSE);
g_return_val_if_fail (conn->data == NULL, FALSE);
g_return_val_if_fail (G_IS_SOCKET (conn->listen_socket), FALSE);
timer = g_cancellable_new ();
cancel_cb_id = g_cancellable_connect (cancellable,
G_CALLBACK (cancel_timer_cb),
timer,
NULL);
g_object_ref (timer);
g_timeout_add_seconds_full (G_PRIORITY_DEFAULT,
G_VFS_FTP_TIMEOUT_IN_SECONDS,
cancel_cancellable,
timer,
g_object_unref);
condition = g_socket_condition_wait (conn->listen_socket, G_IO_IN, timer, error);
g_cancellable_disconnect (cancellable, cancel_cb_id);
g_object_unref (timer);
if ((condition & G_IO_IN) == 0)
{
if (g_cancellable_is_cancelled (timer) &&
!g_cancellable_is_cancelled (cancellable))
{
g_clear_error (error);
g_set_error_literal (error,
G_IO_ERROR, G_IO_ERROR_HOST_NOT_FOUND,
_("Failed to create active FTP connection. "
"Maybe your router does not support this?"));
}
else if (error && *error == NULL)
{
g_set_error_literal (error,
G_IO_ERROR, G_IO_ERROR_HOST_NOT_FOUND,
_("Failed to create active FTP connection."));
}
return FALSE;
}
accepted = g_socket_accept (conn->listen_socket, cancellable, error);
if (accepted == NULL)
return FALSE;
conn->data = G_IO_STREAM (g_socket_connection_factory_create_connection (accepted));
g_object_unref (accepted);
enable_nodelay (G_SOCKET_CONNECTION (conn->data));
return TRUE;
}
static void
set_up_mock_xdg_runtime_dir (void)
{
GError *error = NULL;
GSocketAddress *addr;
mock_bus = g_socket_new (G_SOCKET_FAMILY_UNIX, G_SOCKET_TYPE_STREAM, 0,
&error);
g_assert_no_error (error);
g_assert_true (G_IS_SOCKET (mock_bus));
/* alters tmpdir in-place */
if (g_mkdtemp_full (tmpdir, 0700) == NULL)
{
int errsv = errno;
g_error ("g_mkdtemp_full: %s", g_strerror (errsv));
}
mock_bus_path = g_strconcat (tmpdir, "/bus", NULL);
addr = g_unix_socket_address_new (mock_bus_path);
g_socket_bind (mock_bus, addr, FALSE, &error);
g_assert_no_error (error);
g_object_unref (addr);
g_setenv ("XDG_RUNTIME_DIR", tmpdir, TRUE);
}
NiceSocket *
nice_tcp_bsd_socket_new_from_gsock (GMainContext *ctx, GSocket *gsock,
NiceAddress *local_addr, NiceAddress *remote_addr, gboolean reliable)
{
NiceSocket *sock;
TcpPriv *priv;
g_return_val_if_fail (G_IS_SOCKET (gsock), NULL);
sock = g_slice_new0 (NiceSocket);
sock->priv = priv = g_slice_new0 (TcpPriv);
if (ctx == NULL)
ctx = g_main_context_default ();
priv->context = g_main_context_ref (ctx);
priv->remote_addr = *remote_addr;
priv->error = FALSE;
priv->reliable = reliable;
priv->writable_cb = NULL;
priv->writable_data = NULL;
sock->type = NICE_SOCKET_TYPE_TCP_BSD;
sock->fileno = g_object_ref (gsock);
sock->addr = *local_addr;
sock->send_messages = socket_send_messages;
sock->send_messages_reliable = socket_send_messages_reliable;
sock->recv_messages = socket_recv_messages;
sock->is_reliable = socket_is_reliable;
sock->can_send = socket_can_send;
sock->set_writable_callback = socket_set_writable_callback;
sock->close = socket_close;
return sock;
}
static void
event_cb (GSocketListener *listener,
GSocketListenerEvent event,
GSocket *socket,
gpointer data)
{
static GSocketListenerEvent expected_event = G_SOCKET_LISTENER_BINDING;
gboolean *success = (gboolean *)data;
g_assert (G_IS_SOCKET_LISTENER (listener));
g_assert (G_IS_SOCKET (socket));
g_assert (event == expected_event);
switch (event)
{
case G_SOCKET_LISTENER_BINDING:
expected_event = G_SOCKET_LISTENER_BOUND;
break;
case G_SOCKET_LISTENER_BOUND:
expected_event = G_SOCKET_LISTENER_LISTENING;
break;
case G_SOCKET_LISTENER_LISTENING:
expected_event = G_SOCKET_LISTENER_LISTENED;
break;
case G_SOCKET_LISTENER_LISTENED:
*success = TRUE;
break;
}
}
/**
* @param rec The GstRecorder instance.
* @param element
* @param socket
* @memberof GstRecorder
*
* Invoked when client socket added on the encoding out port.
*/
static void
gst_recorder_client_socket_added (GstElement * element,
GSocket * socket, GstRecorder * rec)
{
g_return_if_fail (G_IS_SOCKET (socket));
INFO ("client-socket-added: %d", g_socket_get_fd (socket));
}
/**
* gst_switch_server_output_client_socket_added:
*
* Invoekd when a client socket is added.
*/
static void
gst_switch_server_output_client_socket_added (GstElement * element,
GSocket * socket, GstSwitchServer * srv)
{
g_return_if_fail (G_IS_SOCKET (socket));
//INFO ("client-socket-added: %d", g_socket_get_fd (socket));
}
gssize
sctp_socket_receive (GSocket * socket, gchar * buffer, gsize size,
GCancellable * cancellable, guint * streamid, GError ** error)
{
g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, -1);
return sctp_socket_receive_with_blocking (socket, buffer, size,
g_socket_get_blocking (socket), cancellable, streamid, error);
}
gssize
sctp_socket_send (GSocket * socket, guint streamid, guint32 timetolive,
const gchar * buffer, gsize size, GCancellable * cancellable,
GError ** error)
{
g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, -1);
return sctp_socket_send_with_blocking (socket, streamid, timetolive, buffer,
size, g_socket_get_blocking (socket), cancellable, error);
}
/**
* SECTION:facqnet
* @short_description:Net related functions.
* @title:FacqNet
* @include:facqnet.h
*
* This module contains functions related with the network functions, for
* example for sending and receiving data.
*
* Only two functions are provided for the moment facq_net_send() and
* facq_net_receive(), check the description of each function for more details.
*
*/
static gboolean check_values(GSocket *skt,gchar *buf,gsize size)
{
if(!G_IS_SOCKET(skt))
goto error;
if(!buf)
goto error;
if(size >= G_MAXSSIZE)
goto error;
return TRUE;
error:
facq_log_write_v(FACQ_LOG_MSG_TYPE_ERROR,
"Invalid parameters in send or receive function");
return FALSE;
}
/*
* g_socket_condition_timed_wait:
*
* Provides g_socket_condition_timed_wait function for older
* glib versions. It's a simplified version of the glib one
* that should work with all glib version from glib-2.22.
*/
gboolean g_socket_condition_timed_wait(GSocket *socket,GIOCondition condition,gint64 timeout,GCancellable *cancellable,GError **error)
{
gint64 start_time;
GPollFD poll_fd[2];
gint result;
gint num;
g_return_val_if_fail(G_IS_SOCKET(socket),FALSE);
if(g_cancellable_set_error_if_cancelled(cancellable,error))
return FALSE;
if(timeout != -1)
timeout /= 1000;
start_time = g_get_monotonic_time();
poll_fd[0].fd = g_socket_get_fd(socket);
poll_fd[0].events = condition;
num = 1;
if(g_cancellable_make_pollfd(cancellable,&poll_fd[1]))
num++;
while(TRUE){
result = g_poll(poll_fd,num,timeout);
if(result != -1 || errno != EINTR)
break;
if(timeout != -1){
timeout -= (g_get_monotonic_time () - start_time) * 1000;
if(timeout < 0)
timeout = 0;
}
}
if(num > 1)
g_cancellable_release_fd(cancellable);
if(result == 0){
g_set_error_literal(error,G_IO_ERROR,G_IO_ERROR_TIMED_OUT,
"Socket I/O timed out");
return FALSE;
}
return !g_cancellable_set_error_if_cancelled(cancellable,error);
}
/**
* gst_net_time_packet_receive:
* @socket: socket to receive the time packet on
* @src_address: (out): address of variable to return sender address
* @error: return address for a #GError, or NULL
*
* Receives a #GstNetTimePacket over a socket. Handles interrupted system
* calls, but otherwise returns NULL on error.
*
* Returns: (transfer full): a new #GstNetTimePacket, or NULL on error. Free
* with gst_net_time_packet_free() when done.
*/
GstNetTimePacket *
gst_net_time_packet_receive (GSocket * socket,
GSocketAddress ** src_address, GError ** error)
{
gchar buffer[GST_NET_TIME_PACKET_SIZE];
GError *err = NULL;
gssize ret;
g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
while (TRUE) {
ret = g_socket_receive_from (socket, src_address, buffer,
GST_NET_TIME_PACKET_SIZE, NULL, &err);
if (ret < 0) {
if (err->code == G_IO_ERROR_WOULD_BLOCK) {
g_error_free (err);
err = NULL;
continue;
} else {
goto receive_error;
}
} else if (ret < GST_NET_TIME_PACKET_SIZE) {
goto short_packet;
} else {
return gst_net_time_packet_new ((const guint8 *) buffer);
}
}
receive_error:
{
GST_DEBUG ("receive error: %s", err->message);
g_propagate_error (error, err);
return NULL;
}
short_packet:
{
GST_DEBUG ("someone sent us a short packet (%" G_GSSIZE_FORMAT " < %d)",
ret, GST_NET_TIME_PACKET_SIZE);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
"short time packet (%d < %d)", (int) ret, GST_NET_TIME_PACKET_SIZE);
return NULL;
}
}
