X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gio%2Fgiostream.c;h=cd177acf0faa0a040c886fdf1728fdb13eb3a956;hb=f14a66e3df9e5e3f0f170b68e976011c80ffc041;hp=db3cd92d2134f0acb49824792a19040c5495dd74;hpb=89b558077f97c630c5b26b3527a6c7d0515f1f2c;p=platform%2Fupstream%2Fglib.git diff --git a/gio/giostream.c b/gio/giostream.c index db3cd92..cd177ac 100644 --- a/gio/giostream.c +++ b/gio/giostream.c @@ -14,9 +14,7 @@ * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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. + * Public License along with this library; if not, see . * * Authors: Ryan Lortie * Alexander Larsson @@ -27,11 +25,8 @@ #include "glibintl.h" #include "giostream.h" -#include -#include - - -G_DEFINE_ABSTRACT_TYPE (GIOStream, g_io_stream, G_TYPE_OBJECT); +#include "gasyncresult.h" +#include "gtask.h" /** * SECTION:giostream @@ -60,9 +55,9 @@ G_DEFINE_ABSTRACT_TYPE (GIOStream, g_io_stream, G_TYPE_OBJECT); * To close a stream use g_io_stream_close() which will close the common * stream object and also the individual substreams. You can also close * the substreams themselves. In most cases this only marks the - * substream as closed, so further I/O on it fails. However, some streams - * may support "half-closed" states where one direction of the stream - * is actually shut down. + * substream as closed, so further I/O on it fails but common state in the + * #GIOStream may still be open. However, some streams may support + * "half-closed" states where one direction of the stream is actually shut down. * * Since: 2.22 */ @@ -78,7 +73,6 @@ enum struct _GIOStreamPrivate { guint closed : 1; guint pending : 1; - GAsyncReadyCallback outstanding_callback; }; static gboolean g_io_stream_real_close (GIOStream *stream, @@ -93,11 +87,7 @@ static gboolean g_io_stream_real_close_finish (GIOStream *stream, GAsyncResult *result, GError **error); -static void -g_io_stream_finalize (GObject *object) -{ - G_OBJECT_CLASS (g_io_stream_parent_class)->finalize (object); -} +G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GIOStream, g_io_stream, G_TYPE_OBJECT) static void g_io_stream_dispose (GObject *object) @@ -115,9 +105,7 @@ g_io_stream_dispose (GObject *object) static void g_io_stream_init (GIOStream *stream) { - stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (stream, - G_TYPE_IO_STREAM, - GIOStreamPrivate); + stream->priv = g_io_stream_get_instance_private (stream); } static void @@ -148,28 +136,11 @@ g_io_stream_get_property (GObject *object, } static void -g_io_stream_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - switch (prop_id) - { - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - } -} - -static void g_io_stream_class_init (GIOStreamClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - g_type_class_add_private (klass, sizeof (GIOStreamPrivate)); - - gobject_class->finalize = g_io_stream_finalize; gobject_class->dispose = g_io_stream_dispose; - gobject_class->set_property = g_io_stream_set_property; gobject_class->get_property = g_io_stream_get_property; klass->close_fn = g_io_stream_real_close; @@ -181,7 +152,7 @@ g_io_stream_class_init (GIOStreamClass *klass) P_("Closed"), P_("Is the stream closed"), FALSE, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_INPUT_STREAM, g_param_spec_object ("input-stream", @@ -283,14 +254,14 @@ g_io_stream_has_pending (GIOStream *stream) /** * g_io_stream_set_pending: * @stream: a #GIOStream - * @error: a #GError location to store the error occuring, or %NULL to + * @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. + * Returns: %TRUE if pending was previously unset and is now set. * * Since: 2.22 */ @@ -362,7 +333,7 @@ g_io_stream_real_close (GIOStream *stream, * g_io_stream_close: * @stream: a #GIOStream * @cancellable: (allow-none): optional #GCancellable object, %NULL to ignore - * @error: location to store the error occuring, or %NULL to ignore + * @error: location to store the error occurring, or %NULL to ignore * * Closes the stream, releasing resources related to it. This will also * closes the individual input and output streams, if they are not already @@ -398,7 +369,7 @@ g_io_stream_real_close (GIOStream *stream, * The default implementation of this method just calls close on the * individual input/output streams. * - * Return value: %TRUE on success, %FALSE on failure + * Returns: %TRUE on success, %FALSE on failure * * Since: 2.22 */ @@ -442,12 +413,25 @@ async_ready_close_callback_wrapper (GObject *source_object, gpointer user_data) { GIOStream *stream = G_IO_STREAM (source_object); + GIOStreamClass *klass = G_IO_STREAM_GET_CLASS (stream); + GTask *task = user_data; + GError *error = NULL; + gboolean success; stream->priv->closed = TRUE; g_io_stream_clear_pending (stream); - if (stream->priv->outstanding_callback) - (*stream->priv->outstanding_callback) (source_object, res, user_data); - g_object_unref (stream); + + if (g_async_result_legacy_propagate_error (res, &error)) + success = FALSE; + else + success = klass->close_finish (stream, res, &error); + + if (error) + g_task_return_error (task, error); + else + g_task_return_boolean (task, success); + + g_object_unref (task); } /** @@ -479,43 +463,38 @@ g_io_stream_close_async (GIOStream *stream, gpointer user_data) { GIOStreamClass *class; - GSimpleAsyncResult *simple; GError *error = NULL; + GTask *task; g_return_if_fail (G_IS_IO_STREAM (stream)); + task = g_task_new (stream, cancellable, callback, user_data); + if (stream->priv->closed) { - simple = g_simple_async_result_new (G_OBJECT (stream), - callback, - user_data, - g_io_stream_close_async); - g_simple_async_result_complete_in_idle (simple); - g_object_unref (simple); + g_task_return_boolean (task, TRUE); + g_object_unref (task); return; } if (!g_io_stream_set_pending (stream, &error)) { - g_simple_async_report_take_gerror_in_idle (G_OBJECT (stream), - callback, - user_data, - error); + g_task_return_error (task, error); + g_object_unref (task); return; } class = G_IO_STREAM_GET_CLASS (stream); - stream->priv->outstanding_callback = callback; - g_object_ref (stream); + class->close_async (stream, io_priority, cancellable, - async_ready_close_callback_wrapper, user_data); + async_ready_close_callback_wrapper, task); } /** * g_io_stream_close_finish: * @stream: a #GIOStream * @result: a #GAsyncResult - * @error: a #GError location to store the error occuring, or %NULL to + * @error: a #GError location to store the error occurring, or %NULL to * ignore * * Closes a stream. @@ -529,48 +508,38 @@ g_io_stream_close_finish (GIOStream *stream, GAsyncResult *result, GError **error) { - GSimpleAsyncResult *simple; - GIOStreamClass *class; - g_return_val_if_fail (G_IS_IO_STREAM (stream), FALSE); - g_return_val_if_fail (G_IS_ASYNC_RESULT (result), FALSE); - - if (G_IS_SIMPLE_ASYNC_RESULT (result)) - { - simple = G_SIMPLE_ASYNC_RESULT (result); - if (g_simple_async_result_propagate_error (simple, error)) - return FALSE; - - /* Special case already closed */ - if (g_simple_async_result_get_source_tag (simple) == g_io_stream_close_async) - return TRUE; - } + g_return_val_if_fail (g_task_is_valid (result, stream), FALSE); - class = G_IO_STREAM_GET_CLASS (stream); - return class->close_finish (stream, result, error); + return g_task_propagate_boolean (G_TASK (result), error); } static void -close_async_thread (GSimpleAsyncResult *res, - GObject *object, - GCancellable *cancellable) +close_async_thread (GTask *task, + gpointer source_object, + gpointer task_data, + GCancellable *cancellable) { + GIOStream *stream = source_object; GIOStreamClass *class; GError *error = NULL; gboolean result; - /* Auto handling of cancelation disabled, and ignore cancellation, - * since we want to close things anyway, although possibly in a - * quick-n-dirty way. At least we never want to leak open handles - */ - class = G_IO_STREAM_GET_CLASS (object); + class = G_IO_STREAM_GET_CLASS (stream); if (class->close_fn) { - result = class->close_fn (G_IO_STREAM (object), cancellable, &error); + result = class->close_fn (stream, + g_task_get_cancellable (task), + &error); if (!result) - g_simple_async_result_take_error (res, error); + { + g_task_return_error (task, error); + return; + } } + + g_task_return_boolean (task, TRUE); } static void @@ -580,20 +549,14 @@ g_io_stream_real_close_async (GIOStream *stream, GAsyncReadyCallback callback, gpointer user_data) { - GSimpleAsyncResult *res; - - res = g_simple_async_result_new (G_OBJECT (stream), - callback, - user_data, - g_io_stream_real_close_async); - - g_simple_async_result_set_handle_cancellation (res, FALSE); - - g_simple_async_result_run_in_thread (res, - close_async_thread, - io_priority, - cancellable); - g_object_unref (res); + GTask *task; + + task = g_task_new (stream, cancellable, callback, user_data); + g_task_set_check_cancellable (task, FALSE); + g_task_set_priority (task, io_priority); + + g_task_run_in_thread (task, close_async_thread); + g_object_unref (task); } static gboolean @@ -601,10 +564,9 @@ g_io_stream_real_close_finish (GIOStream *stream, GAsyncResult *result, GError **error) { - GSimpleAsyncResult *simple = G_SIMPLE_ASYNC_RESULT (result); - g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == - g_io_stream_real_close_async); - return TRUE; + g_return_val_if_fail (g_task_is_valid (result, stream), FALSE); + + return g_task_propagate_boolean (G_TASK (result), error); } typedef struct @@ -635,16 +597,20 @@ splice_context_free (SpliceContext *ctx) } static void -splice_complete (GSimpleAsyncResult *simple, - SpliceContext *ctx) +splice_complete (GTask *task, + SpliceContext *ctx) { if (ctx->cancelled_id != 0) g_cancellable_disconnect (ctx->cancellable, ctx->cancelled_id); ctx->cancelled_id = 0; if (ctx->error != NULL) - g_simple_async_result_set_from_error (simple, ctx->error); - g_simple_async_result_complete (simple); + { + g_task_return_error (task, ctx->error); + ctx->error = NULL; + } + else + g_task_return_boolean (task, TRUE); } static void @@ -652,16 +618,15 @@ splice_close_cb (GObject *iostream, GAsyncResult *res, gpointer user_data) { - GSimpleAsyncResult *simple = user_data; - SpliceContext *ctx; + GTask *task = user_data; + SpliceContext *ctx = g_task_get_task_data (task); GError *error = NULL; g_io_stream_close_finish (G_IO_STREAM (iostream), res, &error); - ctx = g_simple_async_result_get_op_res_gpointer (simple); ctx->completed++; - /* Keep the first error that occured */ + /* Keep the first error that occurred */ if (error != NULL && ctx->error == NULL) ctx->error = error; else @@ -669,9 +634,9 @@ splice_close_cb (GObject *iostream, /* If all operations are done, complete now */ if (ctx->completed == 4) - splice_complete (simple, ctx); + splice_complete (task, ctx); - g_object_unref (simple); + g_object_unref (task); } static void @@ -679,13 +644,12 @@ splice_cb (GObject *ostream, GAsyncResult *res, gpointer user_data) { - GSimpleAsyncResult *simple = user_data; - SpliceContext *ctx; + GTask *task = user_data; + SpliceContext *ctx = g_task_get_task_data (task); GError *error = NULL; g_output_stream_splice_finish (G_OUTPUT_STREAM (ostream), res, &error); - ctx = g_simple_async_result_get_op_res_gpointer (simple); ctx->completed++; /* ignore cancellation error if it was not requested by the user */ @@ -695,7 +659,7 @@ splice_cb (GObject *ostream, !g_cancellable_is_cancelled (ctx->cancellable))) g_clear_error (&error); - /* Keep the first error that occured */ + /* Keep the first error that occurred */ if (error != NULL && ctx->error == NULL) ctx->error = error; else @@ -719,32 +683,40 @@ splice_cb (GObject *ostream, /* Close the IO streams if needed */ if ((ctx->flags & G_IO_STREAM_SPLICE_CLOSE_STREAM1) != 0) - g_io_stream_close_async (ctx->stream1, ctx->io_priority, - ctx->op1_cancellable, splice_close_cb, g_object_ref (simple)); + { + g_io_stream_close_async (ctx->stream1, + g_task_get_priority (task), + ctx->op1_cancellable, + splice_close_cb, g_object_ref (task)); + } else ctx->completed++; if ((ctx->flags & G_IO_STREAM_SPLICE_CLOSE_STREAM2) != 0) - g_io_stream_close_async (ctx->stream2, ctx->io_priority, - ctx->op2_cancellable, splice_close_cb, g_object_ref (simple)); + { + g_io_stream_close_async (ctx->stream2, + g_task_get_priority (task), + ctx->op2_cancellable, + splice_close_cb, g_object_ref (task)); + } else ctx->completed++; /* If all operations are done, complete now */ if (ctx->completed == 4) - splice_complete (simple, ctx); + splice_complete (task, ctx); } - g_object_unref (simple); + g_object_unref (task); } static void -splice_cancelled_cb (GCancellable *cancellable, - GSimpleAsyncResult *simple) +splice_cancelled_cb (GCancellable *cancellable, + GTask *task) { SpliceContext *ctx; - ctx = g_simple_async_result_get_op_res_gpointer (simple); + ctx = g_task_get_task_data (task); g_cancellable_cancel (ctx->op1_cancellable); g_cancellable_cancel (ctx->op2_cancellable); } @@ -778,16 +750,17 @@ g_io_stream_splice_async (GIOStream *stream1, GAsyncReadyCallback callback, gpointer user_data) { - GSimpleAsyncResult *simple; + GTask *task; SpliceContext *ctx; GInputStream *istream; GOutputStream *ostream; if (cancellable != NULL && g_cancellable_is_cancelled (cancellable)) { - g_simple_async_report_error_in_idle (NULL, callback, - user_data, G_IO_ERROR, G_IO_ERROR_CANCELLED, - "Operation has been cancelled"); + g_task_report_new_error (NULL, callback, user_data, + g_io_stream_splice_async, + G_IO_ERROR, G_IO_ERROR_CANCELLED, + "Operation has been cancelled"); return; } @@ -795,21 +768,18 @@ g_io_stream_splice_async (GIOStream *stream1, ctx->stream1 = g_object_ref (stream1); ctx->stream2 = g_object_ref (stream2); ctx->flags = flags; - ctx->io_priority = io_priority; ctx->op1_cancellable = g_cancellable_new (); ctx->op2_cancellable = g_cancellable_new (); ctx->completed = 0; - simple = g_simple_async_result_new (NULL, callback, user_data, - g_io_stream_splice_finish); - g_simple_async_result_set_op_res_gpointer (simple, ctx, - (GDestroyNotify) splice_context_free); + task = g_task_new (NULL, cancellable, callback, user_data); + g_task_set_task_data (task, ctx, (GDestroyNotify) splice_context_free); if (cancellable != NULL) { ctx->cancellable = g_object_ref (cancellable); ctx->cancelled_id = g_cancellable_connect (cancellable, - G_CALLBACK (splice_cancelled_cb), g_object_ref (simple), + G_CALLBACK (splice_cancelled_cb), g_object_ref (task), g_object_unref); } @@ -817,21 +787,21 @@ g_io_stream_splice_async (GIOStream *stream1, ostream = g_io_stream_get_output_stream (stream2); g_output_stream_splice_async (ostream, istream, G_OUTPUT_STREAM_SPLICE_NONE, io_priority, ctx->op1_cancellable, splice_cb, - g_object_ref (simple)); + g_object_ref (task)); istream = g_io_stream_get_input_stream (stream2); ostream = g_io_stream_get_output_stream (stream1); g_output_stream_splice_async (ostream, istream, G_OUTPUT_STREAM_SPLICE_NONE, io_priority, ctx->op2_cancellable, splice_cb, - g_object_ref (simple)); + g_object_ref (task)); - g_object_unref (simple); + g_object_unref (task); } /** * g_io_stream_splice_finish: * @result: a #GAsyncResult. - * @error: a #GError location to store the error occuring, or %NULL to + * @error: a #GError location to store the error occurring, or %NULL to * ignore. * * Finishes an asynchronous io stream splice operation. @@ -844,17 +814,7 @@ gboolean g_io_stream_splice_finish (GAsyncResult *result, GError **error) { - GSimpleAsyncResult *simple; + g_return_val_if_fail (g_task_is_valid (result, NULL), FALSE); - g_return_val_if_fail (G_IS_SIMPLE_ASYNC_RESULT (result), FALSE); - - simple = G_SIMPLE_ASYNC_RESULT (result); - - if (g_simple_async_result_propagate_error (simple, error)) - return FALSE; - - g_return_val_if_fail (g_simple_async_result_is_valid (result, NULL, - g_io_stream_splice_finish), FALSE); - - return TRUE; + return g_task_propagate_boolean (G_TASK (result), error); }