/**
* g_io_stream_clear_pending:
* @stream: a #GIOStream
*
* Clears the pending flag on @stream.
*
* Since: 2.22
*/
void
g_io_stream_clear_pending (GIOStream *stream)
{
g_return_if_fail (G_IS_IO_STREAM (stream));
stream->priv->pending = FALSE;
}
/**
* g_io_stream_has_pending:
* @stream: a #GIOStream
*
* Checks if a stream has pending actions.
*
* Returns: %TRUE if @stream has pending actions.
*
* Since: 2.22
**/
gboolean
g_io_stream_has_pending (GIOStream *stream)
{
g_return_val_if_fail (G_IS_IO_STREAM (stream), FALSE);
return stream->priv->pending;
}
/**
* g_io_stream_set_pending:
* @stream: a #GIOStream
* @error: a #GError location to store the error occurring, or %NULL to
* ignore
*
* Sets @stream to have actions pending. If the pending flag is
* already set or @stream is closed, it will return %FALSE and set
* @error.
*
* Return value: %TRUE if pending was previously unset and is now set.
*
* Since: 2.22
*/
gboolean
g_io_stream_set_pending (GIOStream *stream,
GError **error)
{
g_return_val_if_fail (G_IS_IO_STREAM (stream), FALSE);
if (stream->priv->closed)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_CLOSED,
_("Stream is already closed"));
return FALSE;
}
if (stream->priv->pending)
{
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_PENDING,
/* Translators: This is an error you get if there is
* already an operation running against this stream when
* you try to start one */
_("Stream has outstanding operation"));
return FALSE;
}
stream->priv->pending = TRUE;
return TRUE;
}
/**
* g_io_stream_is_closed:
* @stream: a #GIOStream
*
* Checks if a stream is closed.
*
* Returns: %TRUE if the stream is closed.
*
* Since: 2.22
*/
gboolean
g_io_stream_is_closed (GIOStream *stream)
{
g_return_val_if_fail (G_IS_IO_STREAM (stream), TRUE);
return stream->priv->closed;
}
static void
test_io_stream_properties (NiceAddress *addr)
{
NiceAgent *agent;
guint stream_id;
GIOStream *io_stream;
GInputStream *input_stream;
GOutputStream *output_stream;
agent = nice_agent_new_reliable (NULL, NICE_COMPATIBILITY_RFC5245);
nice_agent_add_local_address (agent, addr);
stream_id = nice_agent_add_stream (agent, 1);
/* Try building an I/O stream around it. */
io_stream = nice_agent_get_io_stream (agent, stream_id, 1);
g_assert (G_IS_IO_STREAM (io_stream));
g_assert (NICE_IS_IO_STREAM (io_stream));
/* Check various initial properties. */
g_assert (!g_io_stream_is_closed (G_IO_STREAM (io_stream)));
g_assert (!g_io_stream_has_pending (G_IO_STREAM (io_stream)));
/* Check the input stream’s properties. */
input_stream = g_io_stream_get_input_stream (G_IO_STREAM (io_stream));
g_assert (G_IS_INPUT_STREAM (input_stream));
g_assert (NICE_IS_INPUT_STREAM (input_stream));
g_assert (!g_input_stream_is_closed (input_stream));
g_assert (!g_input_stream_has_pending (input_stream));
/* Check the output stream’s properties. */
output_stream = g_io_stream_get_output_stream (G_IO_STREAM (io_stream));
g_assert (G_IS_OUTPUT_STREAM (output_stream));
g_assert (NICE_IS_OUTPUT_STREAM (output_stream));
g_assert (!g_output_stream_is_closing (output_stream));
g_assert (!g_output_stream_is_closed (output_stream));
g_assert (!g_output_stream_has_pending (output_stream));
/* Remove the component and check that the I/O streams close. */
nice_agent_remove_stream (agent, stream_id);
g_assert (g_io_stream_is_closed (G_IO_STREAM (io_stream)));
g_assert (g_input_stream_is_closed (input_stream));
g_assert (g_output_stream_is_closed (output_stream));
g_object_unref (io_stream);
g_object_unref (agent);
}
static void
check_stream_address_flags (GarilConnection *connection,
GIOStream *expected_stream,
GSocketAddress *expected_address)
{
GIOStream *stream = garil_connection_get_stream (connection);
g_assert_true (G_IS_IO_STREAM (stream));
if (expected_stream != NULL)
g_assert_true (stream == expected_stream);
GSocketAddress *address = garil_connection_get_address (connection);
if (expected_address != NULL)
g_assert_true (address == expected_address);
else
g_assert_null (address);
GarilConnectionFlags flags = garil_connection_get_flags (connection);
g_assert_true (flags == GARIL_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING);
}
static GDBusConnection *
create_connection (GIOStream *stream,
GMainLoop *main_loop,
GError **error)
{
GDBusConnection *ret;
g_assert (G_IS_IO_STREAM (stream));
g_assert (main_loop != NULL);
g_assert (error != NULL);
if ((ret = g_dbus_connection_new_sync (stream, NULL,
G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING,
NULL, NULL, error)))
{
g_dbus_connection_set_exit_on_close (ret, FALSE);
g_signal_connect_swapped (ret, "closed", G_CALLBACK (g_main_loop_quit), main_loop);
}
return ret;
}
static void
test_zero_length_reads_writes (NiceAddress *addr)
{
NiceAgent *agent;
guint stream_id;
GIOStream *io_stream;
GInputStream *input_stream;
GOutputStream *output_stream;
GPollableInputStream *pollable_input_stream;
GPollableOutputStream *pollable_output_stream;
GError *error = NULL;
guint8 buf[1]; /* should never be accessed */
agent = nice_agent_new_reliable (NULL, NICE_COMPATIBILITY_RFC5245);
nice_agent_add_local_address (agent, addr);
/* Add a stream. */
stream_id = nice_agent_add_stream (agent, 1);
/* Try building an I/O stream around it. */
io_stream = nice_agent_get_io_stream (agent, stream_id, 1);
g_assert (G_IS_IO_STREAM (io_stream));
g_assert (NICE_IS_IO_STREAM (io_stream));
input_stream = g_io_stream_get_input_stream (G_IO_STREAM (io_stream));
output_stream = g_io_stream_get_output_stream (G_IO_STREAM (io_stream));
pollable_input_stream = G_POLLABLE_INPUT_STREAM (input_stream);
pollable_output_stream = G_POLLABLE_OUTPUT_STREAM (output_stream);
/* Check zero-length reads and writes complete immediately without error. */
g_assert (g_input_stream_read (input_stream, buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
g_assert (g_output_stream_write (output_stream, buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
g_assert (
g_pollable_input_stream_read_nonblocking (pollable_input_stream,
buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
g_assert (
g_pollable_output_stream_write_nonblocking (pollable_output_stream,
buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
/* Remove the component and check that zero-length reads and writes still
* result in a 0 response, rather than any error. */
nice_agent_remove_stream (agent, stream_id);
g_assert (g_io_stream_is_closed (G_IO_STREAM (io_stream)));
g_assert (g_input_stream_read (input_stream, buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
g_assert (g_output_stream_write (output_stream, buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
g_assert (
g_pollable_input_stream_read_nonblocking (pollable_input_stream,
buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
g_assert (
g_pollable_output_stream_write_nonblocking (pollable_output_stream,
buf, 0, NULL, &error) == 0);
g_assert_no_error (error);
g_object_unref (io_stream);
g_object_unref (agent);
}
static void
test_pollable_cancellation (NiceAddress *addr)
{
NiceAgent *agent;
guint stream_id;
GIOStream *io_stream;
GInputStream *input_stream;
GOutputStream *output_stream;
GPollableInputStream *pollable_input_stream;
GPollableOutputStream *pollable_output_stream;
guint8 buf[65536];
GError *error = NULL;
GSource *stream_source;
GCancellable *cancellable;
agent = nice_agent_new_reliable (NULL, NICE_COMPATIBILITY_RFC5245);
nice_agent_add_local_address (agent, addr);
/* Add a stream. */
stream_id = nice_agent_add_stream (agent, 1);
/* Try building an I/O stream around it. */
io_stream = nice_agent_get_io_stream (agent, stream_id, 1);
g_assert (G_IS_IO_STREAM (io_stream));
g_assert (NICE_IS_IO_STREAM (io_stream));
/* Grab the input and output streams. */
input_stream = g_io_stream_get_input_stream (G_IO_STREAM (io_stream));
g_assert (G_IS_POLLABLE_INPUT_STREAM (input_stream));
pollable_input_stream = G_POLLABLE_INPUT_STREAM (input_stream);
output_stream = g_io_stream_get_output_stream (G_IO_STREAM (io_stream));
g_assert (G_IS_POLLABLE_OUTPUT_STREAM (output_stream));
pollable_output_stream = G_POLLABLE_OUTPUT_STREAM (output_stream);
/* Check the non-blocking read() and write() return immediately if called with
* a cancelled cancellable. */
cancellable = g_cancellable_new ();
g_cancellable_cancel (cancellable);
g_assert (
g_pollable_input_stream_read_nonblocking (pollable_input_stream,
buf, sizeof (buf), cancellable, &error) == -1);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
g_clear_error (&error);
g_assert (
g_pollable_output_stream_write_nonblocking (pollable_output_stream,
buf, sizeof (buf), cancellable, &error) == -1);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CANCELLED);
g_clear_error (&error);
g_object_unref (cancellable);
/* Check the GSources invoke a callback when run with the cancellable
* cancelled. */
cancellable = g_cancellable_new ();
stream_source =
g_pollable_input_stream_create_source (pollable_input_stream,
cancellable);
check_pollable_source_cancellation (stream_source, cancellable);
g_source_unref (stream_source);
g_object_unref (cancellable);
/* And for the output stream. */
cancellable = g_cancellable_new ();
stream_source =
g_pollable_output_stream_create_source (pollable_output_stream,
cancellable);
check_pollable_source_cancellation (stream_source, cancellable);
g_object_unref (io_stream);
g_source_unref (stream_source);
g_object_unref (cancellable);
g_object_unref (agent);
}
static void
test_pollable_properties (NiceAddress *addr)
{
NiceAgent *agent;
guint stream_id;
GIOStream *io_stream;
GInputStream *input_stream;
GOutputStream *output_stream;
GPollableInputStream *pollable_input_stream;
GPollableOutputStream *pollable_output_stream;
guint8 buf[65536];
GError *error = NULL;
GSource *stream_source;
agent = nice_agent_new_reliable (NULL, NICE_COMPATIBILITY_RFC5245);
nice_agent_add_local_address (agent, addr);
/* Add a stream. */
stream_id = nice_agent_add_stream (agent, 1);
/* Try building an I/O stream around it. */
io_stream = nice_agent_get_io_stream (agent, stream_id, 1);
g_assert (G_IS_IO_STREAM (io_stream));
g_assert (NICE_IS_IO_STREAM (io_stream));
/* Check the input stream’s properties. */
input_stream = g_io_stream_get_input_stream (G_IO_STREAM (io_stream));
g_assert (G_IS_POLLABLE_INPUT_STREAM (input_stream));
pollable_input_stream = G_POLLABLE_INPUT_STREAM (input_stream);
g_assert (g_pollable_input_stream_can_poll (pollable_input_stream));
g_assert (!g_pollable_input_stream_is_readable (pollable_input_stream));
g_assert (
g_pollable_input_stream_read_nonblocking (pollable_input_stream,
buf, sizeof (buf), NULL, &error) == -1);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK);
g_clear_error (&error);
stream_source =
g_pollable_input_stream_create_source (pollable_input_stream, NULL);
g_assert (stream_source != NULL);
g_source_unref (stream_source);
/* Check the output stream’s properties. */
output_stream = g_io_stream_get_output_stream (G_IO_STREAM (io_stream));
g_assert (G_IS_POLLABLE_OUTPUT_STREAM (output_stream));
pollable_output_stream = G_POLLABLE_OUTPUT_STREAM (output_stream);
g_assert (g_pollable_output_stream_can_poll (pollable_output_stream));
g_assert (!g_pollable_output_stream_is_writable (pollable_output_stream));
g_assert (
g_pollable_output_stream_write_nonblocking (pollable_output_stream,
buf, sizeof (buf), NULL, &error) == -1);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK);
g_clear_error (&error);
stream_source =
g_pollable_output_stream_create_source (pollable_output_stream, NULL);
g_assert (stream_source != NULL);
g_source_unref (stream_source);
/* Remove the component and check that the I/O streams close. */
nice_agent_remove_stream (agent, stream_id);
g_assert (!g_pollable_input_stream_is_readable (pollable_input_stream));
g_assert (!g_pollable_output_stream_is_writable (pollable_output_stream));
g_assert (
g_pollable_input_stream_read_nonblocking (pollable_input_stream,
buf, sizeof (buf), NULL, &error) == 0);
g_assert_no_error (error);
g_assert (
g_pollable_output_stream_write_nonblocking (pollable_output_stream,
buf, sizeof (buf), NULL, &error) == -1);
g_assert_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED);
g_clear_error (&error);
g_object_unref (io_stream);
g_object_unref (agent);
}
