1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright (C) Serenity Cybersecurity, LLC <license@futurecrew.ru>
* Author: Gleb Popov <arrowd@FreeBSD.org>
*
* Licensed under the GNU General Public License Version 2
*
* 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.
*/
#pragma once
class PKJobCanceller {
public:
PKJobCanceller(PkBackendJob* _job)
: job(_job) {
g_assert (pk_backend_job_get_user_data (_job) == NULL
&& "JobCanceller is used with a job that already has user_data attached!");
jobData = g_new0 (PkBackendFreeBSDJobData, 1);
jobData->cancellable = g_cancellable_new ();
jobData->canceller = this;
pk_backend_job_set_user_data (_job, jobData);
allowCancel ();
}
bool cancelIfRequested() {
// pk_backend_stop_job might destroy our private pointers before
// this call. Use bool flag to check for that.
if (aborting)
return true;
if (g_cancellable_is_cancelled (jobData->cancellable)) {
pk_backend_job_error_code (job, PK_ERROR_ENUM_TRANSACTION_CANCELLED,
"The task was stopped successfully");
aborting = true;
return true;
}
return false;
}
void allowCancel() const { pk_backend_job_set_allow_cancel (job, TRUE); }
void disallowCancel() const { pk_backend_job_set_allow_cancel (job, FALSE); }
void abort() { aborting = true; }
// No need in destructor, job_data is destroyed in pk_backend_stop_job
private:
PkBackendJob* job;
PkBackendFreeBSDJobData *jobData;
bool aborting = false;
};
|
