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Copy pathRemoteSyslogChannel.cpp
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executable file
·340 lines (304 loc) · 7.46 KB
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//
// RemoteSyslogChannel.cpp
//
// $Id: //poco/1.4/Net/src/RemoteSyslogChannel.cpp#2 $
//
// Library: Net
// Package: Logging
// Module: RemoteSyslogChannel
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Net/RemoteSyslogChannel.h"
#include "Poco/Message.h"
#include "Poco/DateTimeFormatter.h"
#include "Poco/NumberFormatter.h"
#include "Poco/Net/SocketAddress.h"
#include "Poco/Net/DNS.h"
#include "Poco/LoggingFactory.h"
#include "Poco/Instantiator.h"
#include "Poco/String.h"
namespace Poco {
namespace Net {
const std::string RemoteSyslogChannel::BSD_TIMEFORMAT("%b %f %H:%M:%S");
const std::string RemoteSyslogChannel::SYSLOG_TIMEFORMAT("%Y-%m-%dT%H:%M:%S.%i%z");
const std::string RemoteSyslogChannel::PROP_NAME("name");
const std::string RemoteSyslogChannel::PROP_FACILITY("facility");
const std::string RemoteSyslogChannel::PROP_FORMAT("format");
const std::string RemoteSyslogChannel::PROP_LOGHOST("loghost");
const std::string RemoteSyslogChannel::PROP_HOST("host");
RemoteSyslogChannel::RemoteSyslogChannel():
_logHost("localhost"),
_name("-"),
_facility(SYSLOG_USER),
_bsdFormat(false),
_open(false)
{
}
RemoteSyslogChannel::RemoteSyslogChannel(const std::string& address, const std::string& name, int facility, bool bsdFormat):
_logHost(address),
_name(name),
_facility(facility),
_bsdFormat(bsdFormat),
_open(false)
{
if (_name.empty()) _name = "-";
}
RemoteSyslogChannel::~RemoteSyslogChannel()
{
close();
}
void RemoteSyslogChannel::open()
{
if (_open) return;
// reset socket for the case that it has been previously closed
_socket = DatagramSocket();
if (_logHost.find(':') != std::string::npos)
_socketAddress = SocketAddress(_logHost);
else
_socketAddress = SocketAddress(_logHost, SYSLOG_PORT);
if (_host.empty())
{
try
{
_host = DNS::thisHost().name();
}
catch (Poco::Exception&)
{
_host = _socket.address().host().toString();
}
}
_open = true;
}
void RemoteSyslogChannel::close()
{
if (_open)
{
_socket.close();
_open = false;
}
}
void RemoteSyslogChannel::log(const Message& msg)
{
Poco::FastMutex::ScopedLock lock(_mutex);
if (!_open) open();
std::string m;
m.reserve(1024);
m += '<';
Poco::NumberFormatter::append(m, getPrio(msg) + _facility);
m += '>';
if (_bsdFormat)
{
Poco::DateTimeFormatter::append(m, msg.getTime(), BSD_TIMEFORMAT);
m += ' ';
m += _host;
}
else
{
m += "1 "; // version
Poco::DateTimeFormatter::append(m, msg.getTime(), SYSLOG_TIMEFORMAT);
m += ' ';
m += _host;
m += ' ';
m += _name;
m += ' ';
Poco::NumberFormatter::append(m, msg.getPid());
m += ' ';
m += msg.getSource();
}
m += ' ';
m += msg.getText();
_socket.sendTo(m.data(), static_cast<int>(m.size()), _socketAddress);
}
void RemoteSyslogChannel::setProperty(const std::string& name, const std::string& value)
{
if (name == PROP_NAME)
{
_name = value;
if (_name.empty()) _name = "-";
}
else if (name == PROP_FACILITY)
{
std::string facility;
if (Poco::icompare(value, 4, "LOG_") == 0)
facility = Poco::toUpper(value.substr(4));
else if (Poco::icompare(value, 4, "SYSLOG_") == 0)
facility = Poco::toUpper(value.substr(7));
else
facility = Poco::toUpper(value);
if (facility == "KERN")
_facility = SYSLOG_KERN;
else if (facility == "USER")
_facility = SYSLOG_USER;
else if (facility == "MAIL")
_facility = SYSLOG_MAIL;
else if (facility == "DAEMON")
_facility = SYSLOG_DAEMON;
else if (facility == "AUTH")
_facility = SYSLOG_AUTH;
else if (facility == "AUTHPRIV")
_facility = SYSLOG_AUTHPRIV;
else if (facility == "SYSLOG")
_facility = SYSLOG_SYSLOG;
else if (facility == "LPR")
_facility = SYSLOG_LPR;
else if (facility == "NEWS")
_facility = SYSLOG_NEWS;
else if (facility == "UUCP")
_facility = SYSLOG_UUCP;
else if (facility == "CRON")
_facility = SYSLOG_CRON;
else if (facility == "FTP")
_facility = SYSLOG_FTP;
else if (facility == "NTP")
_facility = SYSLOG_NTP;
else if (facility == "LOGAUDIT")
_facility = SYSLOG_LOGAUDIT;
else if (facility == "LOGALERT")
_facility = SYSLOG_LOGALERT;
else if (facility == "CLOCK")
_facility = SYSLOG_CLOCK;
else if (facility == "LOCAL0")
_facility = SYSLOG_LOCAL0;
else if (facility == "LOCAL1")
_facility = SYSLOG_LOCAL1;
else if (facility == "LOCAL2")
_facility = SYSLOG_LOCAL2;
else if (facility == "LOCAL3")
_facility = SYSLOG_LOCAL3;
else if (facility == "LOCAL4")
_facility = SYSLOG_LOCAL4;
else if (facility == "LOCAL5")
_facility = SYSLOG_LOCAL5;
else if (facility == "LOCAL6")
_facility = SYSLOG_LOCAL6;
else if (facility == "LOCAL7")
_facility = SYSLOG_LOCAL7;
}
else if (name == PROP_LOGHOST)
{
_logHost = value;
}
else if (name == PROP_HOST)
{
_host = value;
}
else if (name == PROP_FORMAT)
{
_bsdFormat = (value == "bsd" || value == "rfc3164");
}
else
{
Channel::setProperty(name, value);
}
}
std::string RemoteSyslogChannel::getProperty(const std::string& name) const
{
if (name == PROP_NAME)
{
if (_name != "-")
return _name;
else
return "";
}
else if (name == PROP_FACILITY)
{
if (_facility == SYSLOG_KERN)
return "KERN";
else if (_facility == SYSLOG_USER)
return "USER";
else if (_facility == SYSLOG_MAIL)
return "MAIL";
else if (_facility == SYSLOG_DAEMON)
return "DAEMON";
else if (_facility == SYSLOG_AUTH)
return "AUTH";
else if (_facility == SYSLOG_AUTHPRIV)
return "AUTHPRIV";
else if (_facility == SYSLOG_SYSLOG)
return "SYSLOG";
else if (_facility == SYSLOG_LPR)
return "LPR";
else if (_facility == SYSLOG_NEWS)
return "NEWS";
else if (_facility == SYSLOG_UUCP)
return "UUCP";
else if (_facility == SYSLOG_CRON)
return "CRON";
else if (_facility == SYSLOG_FTP)
return "FTP";
else if (_facility == SYSLOG_NTP)
return "NTP";
else if (_facility == SYSLOG_LOGAUDIT)
return "LOGAUDIT";
else if (_facility == SYSLOG_LOGALERT)
return "LOGALERT";
else if (_facility == SYSLOG_CLOCK)
return "CLOCK";
else if (_facility == SYSLOG_LOCAL0)
return "LOCAL0";
else if (_facility == SYSLOG_LOCAL1)
return "LOCAL1";
else if (_facility == SYSLOG_LOCAL2)
return "LOCAL2";
else if (_facility == SYSLOG_LOCAL3)
return "LOCAL3";
else if (_facility == SYSLOG_LOCAL4)
return "LOCAL4";
else if (_facility == SYSLOG_LOCAL5)
return "LOCAL5";
else if (_facility == SYSLOG_LOCAL6)
return "LOCAL6";
else if (_facility == SYSLOG_LOCAL7)
return "LOCAL7";
else
return "";
}
else if (name == PROP_LOGHOST)
{
return _logHost;
}
else if (name == PROP_HOST)
{
return _host;
}
else if (name == PROP_FORMAT)
{
return _bsdFormat ? "rfc3164" : "rfc5424";
}
else
{
return Channel::getProperty(name);
}
}
int RemoteSyslogChannel::getPrio(const Message& msg)
{
switch (msg.getPriority())
{
case Message::PRIO_TRACE:
case Message::PRIO_DEBUG:
return SYSLOG_DEBUG;
case Message::PRIO_INFORMATION:
return SYSLOG_INFORMATIONAL;
case Message::PRIO_NOTICE:
return SYSLOG_NOTICE;
case Message::PRIO_WARNING:
return SYSLOG_WARNING;
case Message::PRIO_ERROR:
return SYSLOG_ERROR;
case Message::PRIO_CRITICAL:
return SYSLOG_CRITICAL;
case Message::PRIO_FATAL:
return SYSLOG_ALERT;
default:
return 0;
}
}
void RemoteSyslogChannel::registerChannel()
{
Poco::LoggingFactory::defaultFactory().registerChannelClass("RemoteSyslogChannel", new Poco::Instantiator<RemoteSyslogChannel, Poco::Channel>);
}
} } // namespace Poco::Net