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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "qpid/broker/Broker.h"
#include "qpid/sys/posix/check.h"
#include "qpid/broker/Daemon.h"
#include "qpid/log/Statement.h"
#include "qpid/log/Options.h"
#include "qpid/log/Logger.h"
#include "qpid/Plugin.h"
#include "qpid/sys/Shlib.h"
#include "config.h"
#include <boost/filesystem/path.hpp>
#include <iostream>
#include <fstream>
#include <signal.h>
#include <unistd.h>
using namespace qpid;
using namespace qpid::broker;
using namespace qpid::sys;
using namespace std;
struct DaemonOptions : public qpid::Options {
bool daemon;
bool quit;
bool check;
int wait;
DaemonOptions() : qpid::Options("Daemon options"), daemon(false), quit(false), check(false), wait(10)
{
addOptions()
("daemon,d", optValue(daemon), "Run as a daemon. With --port 0 print actual listening port.")
("wait,w", optValue(wait, "SECONDS"), "Maximum wait for daemon response.")
("check,c", optValue(check), "If a daemon is running print its pid to stdout and return 0.")
("quit,q", optValue(quit), "Stop the running daemon politely.");
}
};
struct QpiddOptions : public qpid::Options {
CommonOptions common;
Broker::Options broker;
DaemonOptions daemon;
qpid::log::Options log;
QpiddOptions() : qpid::Options("Options") {
common.config = "/etc/qpidd.conf";
add(common);
add(broker);
add(daemon);
add(log);
const Plugin::Plugins& plugins=
Plugin::getPlugins();
for (Plugin::Plugins::const_iterator i = plugins.begin();
i != plugins.end();
++i)
add(*(*i)->getOptions());
}
void usage() const {
cout << "Usage: qpidd [OPTIONS]" << endl << endl << *this << endl;
};
};
// Globals
shared_ptr<Broker> brokerPtr;
auto_ptr<QpiddOptions> options;
void shutdownHandler(int signal){
QPID_LOG(notice, "Shutting down on signal " << signal);
brokerPtr->shutdown();
}
struct QpiddDaemon : public Daemon {
/** Code for parent process */
void parent() {
uint16_t port = wait(options->daemon.wait);
if (options->broker.port == 0)
cout << port << endl;
}
/** Code for forked child process */
void child() {
brokerPtr.reset(new Broker(options->broker));
uint16_t port=brokerPtr->getPort();
ready(port); // Notify parent.
brokerPtr->run();
}
};
void tryShlib(const char* libname) {
try {
Shlib shlib(libname);
}
catch (const exception& e) {
// TODO aconway 2007-07-09: Should log failures as INFO
// at least, but we try shlibs before logging is configured.
}
}
int main(int argc, char* argv[])
{
try {
// Load optional modules
tryShlib("libqpidcluster.so.0");
// Parse options
options.reset(new QpiddOptions());
options->parse(argc, argv, options->common.config);
qpid::log::Logger::instance().configure(options->log, argv[0]);
// Options that just print information.
if(options->common.help || options->common.version) {
if (options->common.version)
cout << "qpidd (" << PACKAGE_NAME << ") version "
<< PACKAGE_VERSION << endl;
else if (options->common.help)
options->usage();
return 0;
}
// Options that affect a running daemon.
if (options->daemon.check || options->daemon.quit) {
pid_t pid = Daemon::getPid(options->broker.port);
if (pid < 0)
return 1;
if (options->daemon.check)
cout << pid << endl;
if (options->daemon.quit && kill(pid, SIGINT) < 0)
throw Exception("Failed to stop daemon: " + strError(errno));
return 0;
}
// Starting the broker.
// Signal handling
signal(SIGINT,shutdownHandler);
signal(SIGTERM,shutdownHandler);
signal(SIGHUP,SIG_IGN); // TODO aconway 2007-07-18: reload config.
signal(SIGCHLD,SIG_IGN);
signal(SIGTSTP,SIG_IGN);
signal(SIGTTOU,SIG_IGN);
signal(SIGTTIN,SIG_IGN);
if (options->daemon.daemon) {
// Fork the daemon
QpiddDaemon d;
d.fork();
}
else { // Non-daemon broker.
brokerPtr.reset(new Broker(options->broker));
if (options->broker.port == 0)
cout << uint16_t(brokerPtr->getPort()) << endl;
brokerPtr->run();
}
return 0;
}
catch(const exception& e) {
cerr << e.what() << endl;
}
return 1;
}
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