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Merged pidgin/main into default
2017-06-30, Arkadiy Illarionov
5f88ba22172b
Merged pidgin/main into default
/*
*
* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include
"internal.h"
#include
"queuedoutputstream.h"
struct
_PurpleQueuedOutputStreamPrivate
{
GAsyncQueue
*
queue
;
GBytes
*
next
;
};
static
GObjectClass
*
parent_class
=
NULL
;
#define PURPLE_QUEUED_OUTPUT_STREAM_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE((obj), \
PURPLE_TYPE_QUEUED_OUTPUT_STREAM, \
PurpleQueuedOutputStreamPrivate))
G_DEFINE_TYPE_WITH_CODE
(
PurpleQueuedOutputStream
,
purple_queued_output_stream
,
G_TYPE_FILTER_OUTPUT_STREAM
,
G_ADD_PRIVATE
(
PurpleQueuedOutputStream
))
static
void
purple_queued_output_stream_dispose
(
GObject
*
object
);
static
gboolean
purple_queued_output_stream_flush
(
GOutputStream
*
stream
,
GCancellable
*
cancellable
,
GError
**
error
);
static
void
purple_queued_output_stream_flush_async
(
GOutputStream
*
stream
,
int
io_priority
,
GCancellable
*
cancellable
,
GAsyncReadyCallback
callback
,
gpointer
user_data
);
static
gboolean
purple_queued_output_stream_flush_finish
(
GOutputStream
*
stream
,
GAsyncResult
*
result
,
GError
**
error
);
static
void
purple_queued_output_stream_start_flush_async
(
GTask
*
task
);
static
void
purple_queued_output_stream_class_init
(
PurpleQueuedOutputStreamClass
*
klass
)
{
GObjectClass
*
object_class
;
GOutputStreamClass
*
ostream_class
;
parent_class
=
g_type_class_peek_parent
(
klass
);
object_class
=
G_OBJECT_CLASS
(
klass
);
object_class
->
dispose
=
purple_queued_output_stream_dispose
;
ostream_class
=
G_OUTPUT_STREAM_CLASS
(
klass
);
ostream_class
->
flush
=
purple_queued_output_stream_flush
;
ostream_class
->
flush_async
=
purple_queued_output_stream_flush_async
;
ostream_class
->
flush_finish
=
purple_queued_output_stream_flush_finish
;
}
PurpleQueuedOutputStream
*
purple_queued_output_stream_new
(
GOutputStream
*
base_stream
)
{
PurpleQueuedOutputStream
*
stream
;
g_return_val_if_fail
(
G_IS_OUTPUT_STREAM
(
base_stream
),
NULL
);
stream
=
g_object_new
(
PURPLE_TYPE_QUEUED_OUTPUT_STREAM
,
"base-stream"
,
base_stream
,
NULL
);
return
stream
;
}
void
purple_queued_output_stream_push_bytes
(
PurpleQueuedOutputStream
*
stream
,
GBytes
*
bytes
)
{
g_return_if_fail
(
PURPLE_QUEUED_OUTPUT_STREAM
(
stream
));
g_return_if_fail
(
bytes
!=
NULL
);
g_async_queue_push
(
stream
->
priv
->
queue
,
g_bytes_ref
(
bytes
));
}
static
void
purple_queued_output_stream_init
(
PurpleQueuedOutputStream
*
stream
)
{
stream
->
priv
=
PURPLE_QUEUED_OUTPUT_STREAM_GET_PRIVATE
(
stream
);
stream
->
priv
->
queue
=
g_async_queue_new_full
((
GDestroyNotify
)
g_bytes_unref
);
}
static
void
purple_queued_output_stream_dispose
(
GObject
*
object
)
{
PurpleQueuedOutputStream
*
stream
=
PURPLE_QUEUED_OUTPUT_STREAM
(
object
);
/* Chain up first in case the stream is flushed */
G_OBJECT_CLASS
(
parent_class
)
->
dispose
(
object
);
g_clear_pointer
(
&
stream
->
priv
->
queue
,
g_async_queue_unref
);
g_clear_pointer
(
&
stream
->
priv
->
next
,
g_bytes_unref
);
}
static
gboolean
purple_queued_output_stream_flush
(
GOutputStream
*
stream
,
GCancellable
*
cancellable
,
GError
**
error
)
{
PurpleQueuedOutputStreamPrivate
*
priv
;
GOutputStream
*
base_stream
;
GBytes
*
bytes
;
const
void
*
buffer
;
gsize
count
;
gsize
bytes_written
=
0
;
gboolean
ret
=
TRUE
;
priv
=
PURPLE_QUEUED_OUTPUT_STREAM
(
stream
)
->
priv
;
base_stream
=
g_filter_output_stream_get_base_stream
(
G_FILTER_OUTPUT_STREAM
(
stream
));
do
{
if
(
priv
->
next
!=
NULL
)
{
bytes
=
priv
->
next
;
priv
->
next
=
NULL
;
}
else
{
bytes
=
g_async_queue_try_pop
(
priv
->
queue
);
}
if
(
bytes
==
NULL
)
{
break
;
}
buffer
=
g_bytes_get_data
(
bytes
,
&
count
);
ret
=
g_output_stream_write_all
(
base_stream
,
buffer
,
count
,
&
bytes_written
,
cancellable
,
error
);
if
(
!
ret
)
{
GBytes
*
queue_bytes
;
if
(
bytes_written
>
0
)
{
queue_bytes
=
g_bytes_new_from_bytes
(
bytes
,
bytes_written
,
count
-
bytes_written
);
}
else
{
queue_bytes
=
g_bytes_ref
(
bytes
);
}
priv
->
next
=
queue_bytes
;
}
g_bytes_unref
(
bytes
);
}
while
(
ret
);
return
ret
;
}
static
void
purple_queued_output_stream_flush_async_cb
(
GObject
*
source
,
GAsyncResult
*
res
,
gpointer
user_data
)
{
GTask
*
task
=
user_data
;
PurpleQueuedOutputStream
*
stream
;
gssize
written
;
gsize
size
;
GBytes
*
old_bytes
;
GError
*
error
=
NULL
;
written
=
g_output_stream_write_bytes_finish
(
G_OUTPUT_STREAM
(
source
),
res
,
&
error
);
if
(
written
<
0
)
{
g_task_return_error
(
task
,
error
);
return
;
}
stream
=
PURPLE_QUEUED_OUTPUT_STREAM
(
g_task_get_source_object
(
task
));
size
=
g_bytes_get_size
(
stream
->
priv
->
next
);
old_bytes
=
stream
->
priv
->
next
;
stream
->
priv
->
next
=
NULL
;
if
(
size
>
(
gsize
)
written
)
{
stream
->
priv
->
next
=
g_bytes_new_from_bytes
(
old_bytes
,
written
,
size
-
written
);
}
g_bytes_unref
(
old_bytes
);
purple_queued_output_stream_start_flush_async
(
task
);
}
static
void
purple_queued_output_stream_start_flush_async
(
GTask
*
task
)
{
PurpleQueuedOutputStream
*
stream
;
GOutputStream
*
base_stream
;
stream
=
PURPLE_QUEUED_OUTPUT_STREAM
(
g_task_get_source_object
(
task
));
base_stream
=
g_filter_output_stream_get_base_stream
(
G_FILTER_OUTPUT_STREAM
(
stream
));
if
(
stream
->
priv
->
next
==
NULL
)
{
stream
->
priv
->
next
=
g_async_queue_try_pop
(
stream
->
priv
->
queue
);
if
(
stream
->
priv
->
next
==
NULL
)
{
g_task_return_boolean
(
task
,
TRUE
);
return
;
}
}
g_output_stream_write_bytes_async
(
base_stream
,
stream
->
priv
->
next
,
g_task_get_priority
(
task
),
g_task_get_cancellable
(
task
),
purple_queued_output_stream_flush_async_cb
,
task
);
}
static
void
purple_queued_output_stream_flush_async
(
GOutputStream
*
stream
,
int
io_priority
,
GCancellable
*
cancellable
,
GAsyncReadyCallback
callback
,
gpointer
user_data
)
{
GTask
*
task
;
task
=
g_task_new
(
stream
,
cancellable
,
callback
,
user_data
);
g_task_set_priority
(
task
,
io_priority
);
purple_queued_output_stream_start_flush_async
(
task
);
}
static
gboolean
purple_queued_output_stream_flush_finish
(
GOutputStream
*
stream
,
GAsyncResult
*
result
,
GError
**
error
)
{
g_return_val_if_fail
(
g_task_is_valid
(
result
,
stream
),
FALSE
);
return
g_task_propagate_boolean
(
G_TASK
(
result
),
error
);
}