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dc7e438976
git-svn-id: https://mumble.svn.sourceforge.net/svnroot/mumble/trunk@908 05730e5d-ab1b-0410-a4ac-84af385074fa
130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
/* Copyright (C) 2005-2008, Thorvald Natvig <thorvald@natvig.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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- Neither the name of the Mumble Developers nor the names of its
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contributors may be used to endorse or promote products derived from this
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software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <signal.h>
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#include "UnixMurmur.h"
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#include "Meta.h"
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extern QFile *qfLog;
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int UnixMurmur::iHupFd[2];
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int UnixMurmur::iTermFd[2];
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UnixMurmur::UnixMurmur() {
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if (::socketpair(AF_UNIX, SOCK_STREAM, 0, iHupFd))
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qFatal("Couldn't create HUP socketpair");
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if (::socketpair(AF_UNIX, SOCK_STREAM, 0, iTermFd))
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qFatal("Couldn't create TERM socketpair");
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qsnHup = new QSocketNotifier(iHupFd[1], QSocketNotifier::Read, this);
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qsnTerm = new QSocketNotifier(iTermFd[1], QSocketNotifier::Read, this);
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connect(qsnHup, SIGNAL(activated(int)), this, SLOT(handleSigHup()));
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connect(qsnTerm, SIGNAL(activated(int)), this, SLOT(handleSigTerm()));
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struct sigaction hup, term;
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hup.sa_handler = hupSignalHandler;
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sigemptyset(&hup.sa_mask);
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hup.sa_flags = SA_RESTART;
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if (sigaction(SIGHUP, &hup, NULL))
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qFatal("Failed to install SIGHUP handler");
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term.sa_handler = termSignalHandler;
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sigemptyset(&term.sa_mask);
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term.sa_flags = SA_RESTART;
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if (sigaction(SIGTERM, &term, NULL))
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qFatal("Failed to install SIGTERM handler");
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}
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UnixMurmur::~UnixMurmur() {
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delete qsnHup;
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delete qsnTerm;
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qsnHup = NULL;
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qsnTerm = NULL;
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close(iHupFd[0]);
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close(iHupFd[1]);
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close(iTermFd[0]);
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close(iTermFd[1]);
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}
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void UnixMurmur::hupSignalHandler(int) {
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char a = 1;
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::write(iHupFd[0], &a, sizeof(a));
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}
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void UnixMurmur::termSignalHandler(int) {
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char a = 1;
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::write(iTermFd[0], &a, sizeof(a));
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}
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// Keep these two synchronized with matching actions in DBus.cpp
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void UnixMurmur::handleSigHup() {
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qsnHup->setEnabled(false);
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char tmp;
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::read(iHupFd[1], &tmp, sizeof(tmp));
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if (! qfLog || ! qfLog->isOpen()) {
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qWarning("Caught SIGHUP, but logfile not in use");
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} else {
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qWarning("Caught SIGHUP, will reopen %s", qPrintable(Meta::mp.qsLogfile));
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qfLog->close();
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qfLog->setFileName(Meta::mp.qsLogfile);
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if (! qfLog->open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Text)) {
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delete qfLog;
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qfLog = NULL;
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} else {
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qfLog->setTextModeEnabled(true);
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qWarning("Log rotated successfully");
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}
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}
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qsnHup->setEnabled(true);
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}
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void UnixMurmur::handleSigTerm() {
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qsnTerm->setEnabled(false);
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char tmp;
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::read(iTermFd[1], &tmp, sizeof(tmp));
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qWarning("Caught SIGTERM, exiting");
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QCoreApplication::instance()->quit();
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qsnTerm->setEnabled(true);
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}
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