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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
using System.Net.Sockets;
namespace Ice
{
public sealed class SysLoggerI : Logger
{
public SysLoggerI(string ident)
{
_ident = ident;
//
// Open a datagram socket to communicate with the localhost
// syslog daemon.
//
try
{
_host = IceInternal.Network.getAddress(System.Net.Dns.GetHostName(), _port,
IceInternal.Network.EnableBoth).Address;
_socket = new UdpClient();
_socket.Connect(_host, _port);
}
catch(System.Exception ex)
{
throw new Ice.DNSException(ex);
}
}
public void print(string message)
{
log(LOG_INFO, message);
}
public void trace(string category, string message)
{
log(LOG_INFO, category + ": " + message);
}
public void warning(string message)
{
log(LOG_WARNING, message);
}
public void error(string message)
{
log(LOG_ERR, message);
}
private void log(int severity, string message)
{
try
{
//
// Create a syslog message as defined by the RFC 3164:
// <PRI>HEADER MSG. PRI is the priority and is calculated
// from the facility and the severity. We don't specify
// the HEADER. MSG contains the identifier followed by a
// colon character and the message.
//
int priority = (LOG_USER << 3) | severity;
string msg = '<' + priority + '>' + _ident + ": " + message;
byte[] buf = new byte[msg.Length];
for(int i = 0; i < msg.Length; i++)
{
buf[i] = (byte)msg[i];
}
_socket.Send(buf, buf.Length);
}
catch(System.IO.IOException ex)
{
Ice.SocketException se = new Ice.SocketException(ex);
throw se;
}
}
private string _ident;
private UdpClient _socket;
private System.Net.IPAddress _host;
private static int _port = 514;
//
// Syslog facilities facilities (as defined in syslog.h)
//
private static readonly int LOG_USER = 1;
//
// Syslog priorities (as defined in syslog.h)
//
private static readonly int LOG_ERR = 3;
private static readonly int LOG_WARNING = 4;
private static readonly int LOG_INFO = 6;
}
}
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