77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
/*
|
|
* Copyright 2003-2021 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* 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 02110-1301 USA.
|
|
*/
|
|
|
|
#include "ThreadBackgroundCommand.hxx"
|
|
#include "Client.hxx"
|
|
#include "Response.hxx"
|
|
#include "command/CommandError.hxx"
|
|
#include "protocol/Result.hxx"
|
|
|
|
ThreadBackgroundCommand::ThreadBackgroundCommand(Client &_client) noexcept
|
|
:thread(BIND_THIS_METHOD(_Run)),
|
|
defer_finish(_client.GetEventLoop(), BIND_THIS_METHOD(DeferredFinish)),
|
|
client(_client)
|
|
{
|
|
}
|
|
|
|
void
|
|
ThreadBackgroundCommand::_Run() noexcept
|
|
{
|
|
assert(!error);
|
|
|
|
try {
|
|
Run();
|
|
} catch (...) {
|
|
error = std::current_exception();
|
|
}
|
|
|
|
defer_finish.Schedule();
|
|
}
|
|
|
|
void
|
|
ThreadBackgroundCommand::DeferredFinish() noexcept
|
|
{
|
|
/* free the Thread */
|
|
thread.Join();
|
|
|
|
/* send the response */
|
|
Response response(client, 0);
|
|
|
|
if (error) {
|
|
PrintError(response, error);
|
|
} else {
|
|
SendResponse(response);
|
|
command_success(client);
|
|
}
|
|
|
|
/* delete this object */
|
|
client.OnBackgroundCommandFinished();
|
|
}
|
|
|
|
void
|
|
ThreadBackgroundCommand::Cancel() noexcept
|
|
{
|
|
CancelThread();
|
|
thread.Join();
|
|
|
|
/* cancel the InjectEvent, just in case the Thread has
|
|
meanwhile finished execution */
|
|
defer_finish.Cancel();
|
|
}
|