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Route GLib debug logging directly to the Finch debug window
2021-10-18, Elliott Sales de Andrade
1896a80ff8e3
Route GLib debug logging directly to the Finch debug window
Instead of flowing through purple debug, this merges some bits of the existing GLib log handler, and the purple debug printer.
Testing Done:
Open the Debug window an see some `GLib-*` outputs.
Reviewed at https://reviews.imfreedom.org/r/1057/
/* 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.
*
* Component written by Tomek Wasilczyk (http://www.wasilczyk.pl).
*
* This file is dual-licensed under the GPL2+ and the X11 (MIT) licences.
* As a recipient of this file you may choose, which license to receive the
* code under. As a contributor, you have to ensure the new code is
* compatible with both.
*
* 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
<errno.h>
#include
<purple.h>
#include
"tcpsocket.h"
#include
"gg.h"
typedef
struct
{
GSocketConnection
*
conn
;
GCancellable
*
cancellable
;
PurpleConnection
*
gc
;
gpointer
priv_gg
;
}
GGPTcpSocketData
;
static
void
ggp_tcp_socket_data_free
(
GGPTcpSocketData
*
data
)
{
g_return_if_fail
(
data
!=
NULL
);
if
(
data
->
cancellable
!=
NULL
)
{
g_cancellable_cancel
(
data
->
cancellable
);
g_clear_object
(
&
data
->
cancellable
);
}
if
(
data
->
conn
!=
NULL
)
{
purple_gio_graceful_close
(
G_IO_STREAM
(
data
->
conn
),
NULL
,
NULL
);
g_clear_object
(
&
data
->
conn
);
}
g_free
(
data
);
}
static
void
ggp_tcpsocket_connected
(
GObject
*
source
,
GAsyncResult
*
res
,
gpointer
user_data
)
{
GGPTcpSocketData
*
data
=
user_data
;
GSocketConnection
*
conn
;
GSocket
*
socket
;
int
fd
=
-1
;
GGPInfo
*
info
;
GError
*
error
=
NULL
;
conn
=
g_socket_client_connect_to_host_finish
(
G_SOCKET_CLIENT
(
source
),
res
,
&
error
);
if
(
conn
==
NULL
)
{
if
(
g_error_matches
(
error
,
G_IO_ERROR
,
G_IO_ERROR_CANCELLED
))
{
/* The connection was already closed, return now */
g_clear_error
(
&
error
);
return
;
}
purple_debug_error
(
"gg"
,
"socket failed to connect: %s"
,
error
->
message
);
g_clear_error
(
&
error
);
}
else
{
data
->
conn
=
conn
;
socket
=
g_socket_connection_get_socket
(
data
->
conn
);
if
(
socket
!=
NULL
)
{
fd
=
g_socket_get_fd
(
socket
);
}
}
/* XXX: For some reason if you try to connect and then immediately
* disconnect, this gets into a state where ggp_tcpsocket_close()
* isn't called. The cancellable is therefore not cancelled, and
* the connection is never closed. Guard against that state here.
*/
if
(
data
->
gc
==
NULL
||
!
g_list_find
(
purple_connections_get_all
(),
data
->
gc
))
{
purple_debug_error
(
"gg"
,
"disconnected without closing connection: %p"
,
data
);
ggp_tcp_socket_data_free
(
data
);
return
;
}
if
(
!
gg_socket_manager_connected
(
data
,
data
->
priv_gg
,
fd
))
{
purple_debug_error
(
"gg"
,
"socket not handled"
);
ggp_tcp_socket_data_free
(
data
);
return
;
}
info
=
purple_connection_get_protocol_data
(
data
->
gc
);
if
(
info
->
inpa
>
0
)
{
g_source_remove
(
info
->
inpa
);
info
->
inpa
=
0
;
}
if
(
info
->
session
->
fd
<
0
)
return
;
/* XXX: This works, but not recommended to use GSocket FDs directly */
info
->
inpa
=
purple_input_add
(
info
->
session
->
fd
,
ggp_tcpsocket_inputcond_gg_to_purple
(
info
->
session
->
check
),
ggp_async_login_handler
,
data
->
gc
);
}
static
void
*
ggp_tcpsocket_connect
(
void
*
_gc
,
const
char
*
host
,
int
port
,
int
is_tls
,
int
is_async
,
void
*
priv
)
{
PurpleConnection
*
gc
=
_gc
;
GGPTcpSocketData
*
data
;
GSocketClient
*
client
;
GError
*
error
=
NULL
;
PURPLE_ASSERT_CONNECTION_IS_VALID
(
gc
);
g_return_val_if_fail
(
!
purple_connection_is_disconnecting
(
gc
),
NULL
);
g_return_val_if_fail
(
host
!=
NULL
,
NULL
);
g_return_val_if_fail
(
is_async
,
NULL
);
purple_debug_misc
(
"gg"
,
"ggp_tcpsocket_connect(%p, %s:%d, %s, %p)"
,
gc
,
host
,
port
,
is_tls
?
"tls"
:
"tcp"
,
priv
);
client
=
purple_gio_socket_client_new
(
purple_connection_get_account
(
gc
),
&
error
);
if
(
client
==
NULL
)
{
purple_debug_error
(
"gg"
,
"unable to connect: %s"
,
error
->
message
);
g_clear_error
(
&
error
);
return
NULL
;
}
g_socket_client_set_tls
(
client
,
is_tls
);
data
=
g_new0
(
GGPTcpSocketData
,
1
);
data
->
cancellable
=
g_cancellable_new
();
data
->
gc
=
gc
;
data
->
priv_gg
=
priv
;
g_socket_client_connect_to_host_async
(
client
,
host
,
port
,
data
->
cancellable
,
ggp_tcpsocket_connected
,
data
);
g_object_unref
(
client
);
return
data
;
}
static
void
ggp_tcpsocket_close
(
void
*
_gc
,
void
*
_data
)
{
GGPTcpSocketData
*
data
=
_data
;
ggp_tcp_socket_data_free
(
data
);
}
static
ssize_t
ggp_tcpsocket_read
(
void
*
_gc
,
void
*
_data
,
unsigned
char
*
buffer
,
size_t
bufsize
)
{
GGPTcpSocketData
*
data
=
_data
;
GPollableInputStream
*
input
;
gssize
ret
;
GError
*
error
=
NULL
;
if
(
data
->
conn
==
NULL
)
{
return
-1
;
}
input
=
G_POLLABLE_INPUT_STREAM
(
g_io_stream_get_input_stream
(
G_IO_STREAM
(
data
->
conn
)));
ret
=
g_pollable_input_stream_read_nonblocking
(
input
,
buffer
,
bufsize
,
NULL
,
&
error
);
if
(
ret
<
0
)
{
if
(
g_error_matches
(
error
,
G_IO_ERROR
,
G_IO_ERROR_WOULD_BLOCK
))
{
errno
=
EAGAIN
;
}
else
{
purple_debug_error
(
"gg"
,
"socket read error: %s"
,
error
->
message
);
}
g_clear_error
(
&
error
);
}
return
ret
;
}
static
ssize_t
ggp_tcpsocket_write
(
void
*
_gc
,
void
*
_data
,
const
unsigned
char
*
data_buf
,
size_t
len
)
{
GGPTcpSocketData
*
data
=
_data
;
GPollableOutputStream
*
output
;
gssize
ret
;
GError
*
error
=
NULL
;
if
(
data
->
conn
==
NULL
)
{
return
-1
;
}
output
=
G_POLLABLE_OUTPUT_STREAM
(
g_io_stream_get_output_stream
(
G_IO_STREAM
(
data
->
conn
)));
ret
=
g_pollable_output_stream_write_nonblocking
(
output
,
data_buf
,
len
,
NULL
,
&
error
);
if
(
ret
<
0
)
{
if
(
g_error_matches
(
error
,
G_IO_ERROR
,
G_IO_ERROR_WOULD_BLOCK
))
{
errno
=
EAGAIN
;
}
else
{
purple_debug_error
(
"gg"
,
"socket write error: %s"
,
error
->
message
);
}
g_clear_error
(
&
error
);
}
return
ret
;
}
void
ggp_tcpsocket_setup
(
PurpleConnection
*
gc
,
struct
gg_login_params
*
glp
)
{
glp
->
socket_manager_type
=
GG_SOCKET_MANAGER_TYPE_TLS
;
glp
->
socket_manager
.
cb_data
=
gc
;
glp
->
socket_manager
.
connect_cb
=
ggp_tcpsocket_connect
;
glp
->
socket_manager
.
close_cb
=
ggp_tcpsocket_close
;
glp
->
socket_manager
.
read_cb
=
ggp_tcpsocket_read
;
glp
->
socket_manager
.
write_cb
=
ggp_tcpsocket_write
;
}
PurpleInputCondition
ggp_tcpsocket_inputcond_gg_to_purple
(
enum
gg_check_t
check
)
{
PurpleInputCondition
cond
=
0
;
if
(
check
&
GG_CHECK_READ
)
cond
|=
PURPLE_INPUT_READ
;
if
(
check
&
GG_CHECK_WRITE
)
cond
|=
PURPLE_INPUT_WRITE
;
return
cond
;
}