mirror of https://github.com/aria2/aria2
133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2011 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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/*
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* Copyright 2011 Emmanuel Engelhart <kelson@kiwix.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include "WatchProcessCommand.h"
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#include "DownloadEngine.h"
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#include "RequestGroupMan.h"
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#include "LogFactory.h"
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#include "Logger.h"
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#include "fmt.h"
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#ifdef __APPLE__
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#import <sys/types.h>
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#import <sys/sysctl.h>
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#define MIBSIZE 4
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#endif
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namespace aria2 {
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WatchProcessCommand::WatchProcessCommand
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(cuid_t cuid,
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DownloadEngine* e,
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unsigned int pid,
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bool forceHalt)
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: TimeBasedCommand(cuid, e, 1, true),
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pid_(pid),
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forceHalt_(forceHalt)
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{}
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void WatchProcessCommand::preProcess()
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{
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if(getDownloadEngine()->getRequestGroupMan()->downloadFinished() ||
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getDownloadEngine()->isHaltRequested()) {
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enableExit();
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}
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}
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void WatchProcessCommand::process()
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{
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// Check process pid_ is running. If it is not running, shutdown
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// aria2.
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A2_LOG_DEBUG(fmt("Checking proess %u", pid_));
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bool waiting = true;
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#ifdef _WIN32
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HANDLE process = OpenProcess(SYNCHRONIZE, FALSE, pid_);
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DWORD ret = WaitForSingleObject(process, 0);
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CloseHandle(process);
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if (ret != WAIT_TIMEOUT) {
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waiting = false;
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}
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#elif __APPLE__
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int mib[MIBSIZE];
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struct kinfo_proc kp;
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size_t len = sizeof(kp);
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mib[0]=CTL_KERN;
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mib[1]=KERN_PROC;
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mib[2]=KERN_PROC_PID;
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mib[3]=pid_;
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int ret = sysctl(mib, MIBSIZE, &kp, &len, NULL, 0);
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if (ret == -1 || len <= 0) {
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waiting = false;
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}
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#else
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if (access(fmt("/proc/%u", pid_).c_str(), F_OK) == -1) {
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waiting = false;
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}
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#endif
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if(!waiting) {
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A2_LOG_INFO
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(fmt("CUID#%lld - Process %u is not running. Commencing shutdown.",
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getCuid(), pid_));
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if(forceHalt_) {
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getDownloadEngine()->requestForceHalt();
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} else {
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getDownloadEngine()->requestHalt();
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}
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enableExit();
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}
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}
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} // namespace aria2
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