1 files changed, 132 insertions, 0 deletions
diff --git a/src/WatchProcessCommand.cc b/src/WatchProcessCommand.cc
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+++ b/src/WatchProcessCommand.cc
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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, 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, NULL, 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#%lld - Process %u is not running. Commencing shutdown.",
+           getCuid(), pid_));
+    if(forceHalt_) {
+      getDownloadEngine()->requestForceHalt();
+    } else {
+      getDownloadEngine()->requestHalt();
+    }
+    enableExit();
+  }
+}
+
+} // namespace aria2