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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2011 Tatsuhiro Tsujikawa
*
* 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
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
/*
* Copyright 2011 Emmanuel Engelhart <kelson@kiwix.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 3 of the License, or
* 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 "WatchProcessCommand.h"
#include "DownloadEngine.h"
#include "RequestGroupMan.h"
#include "LogFactory.h"
#include "Logger.h"
#include "fmt.h"
#ifdef __APPLE__
# import <sys/types.h>
# import <sys/sysctl.h>
# define MIBSIZE 4
#endif
namespace aria2 {
WatchProcessCommand::WatchProcessCommand(cuid_t cuid, DownloadEngine* e,
unsigned int pid, bool forceHalt)
: TimeBasedCommand(cuid, e, 1_s, true), pid_(pid), forceHalt_(forceHalt)
{
}
void WatchProcessCommand::preProcess()
{
if (getDownloadEngine()->getRequestGroupMan()->downloadFinished() ||
getDownloadEngine()->isHaltRequested()) {
enableExit();
}
}
void WatchProcessCommand::process()
{
// Check process pid_ is running. If it is not running, shutdown
// aria2.
A2_LOG_DEBUG(fmt("Checking proess %u", pid_));
bool waiting = true;
#ifdef _WIN32
HANDLE process = OpenProcess(SYNCHRONIZE, FALSE, pid_);
DWORD ret = WaitForSingleObject(process, 0);
CloseHandle(process);
if (ret != WAIT_TIMEOUT) {
waiting = false;
}
#elif __APPLE__
int mib[MIBSIZE];
struct kinfo_proc kp;
size_t len = sizeof(kp);
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PID;
mib[3] = pid_;
int ret = sysctl(mib, MIBSIZE, &kp, &len, nullptr, 0);
if (ret == -1 || len <= 0) {
waiting = false;
}
#else
if (access(fmt("/proc/%u", pid_).c_str(), F_OK) == -1) {
waiting = false;
}
#endif
if (!waiting) {
A2_LOG_INFO(fmt("CUID#%" PRId64
" - Process %u is not running. Commencing shutdown.",
getCuid(), pid_));
if (forceHalt_) {
getDownloadEngine()->requestForceHalt();
}
else {
getDownloadEngine()->requestHalt();
}
enableExit();
}
}
} // namespace aria2
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