/// <summary>
/// Start the listener
/// </summary>
/// <param name="bind"></param>
public void Start(Configuration.EndpointConfiguration config)
{
this.m_udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
this.m_udpSocket.DontFragment = true;
this.m_configuration = config;
// Get the IP address
IPEndPoint endpoint = null;
if (config.Address.HostNameType == UriHostNameType.Dns)
{
endpoint = new IPEndPoint(Dns.GetHostEntry(config.Address.Host).AddressList[0], config.Address.Port);
}
else
{
endpoint = new IPEndPoint(IPAddress.Parse(config.Address.Host), config.Address.Port);
}
// Bind the socket
this.m_udpSocket.Bind(endpoint);
this.m_traceSource.TraceInfo("UDP transport bound to {0}", endpoint);
// Run
try
{
while (this.m_run)
{
EndPoint remote_ep = new IPEndPoint(IPAddress.Any, 0);
try
{
Byte[] udpMessage = new Byte[this.m_configuration.MaxSize];
//bytesReceived = udpSocket.Receive(udpMessage);
int bytesReceived = this.m_udpSocket.ReceiveFrom(udpMessage, ref remote_ep);
IPEndPoint ipep = (IPEndPoint)remote_ep;
IPAddress ipadd = ipep.Address;
// Parse
String udpMessageStr = System.Text.Encoding.UTF8.GetString(udpMessage).TrimEnd('\0');
var message = SyslogMessage.Parse(udpMessageStr, Guid.NewGuid());
if (this.MessageReceived != null)
{
this.MessageReceived.BeginInvoke(this, new SyslogMessageReceivedEventArgs(message, new Uri(String.Format("udp://{0}", remote_ep)), this.m_configuration.Address, DateTime.Now), null, null);
}
}
catch (SyslogMessageException e)
{
if (this.InvalidMessageReceived != null)
{
this.InvalidMessageReceived.BeginInvoke(this, new SyslogMessageReceivedEventArgs(e.FaultingMessage, new Uri(String.Format("udp://{0}", remote_ep)), this.m_configuration.Address, DateTime.Now), null, null);
}
this.m_traceSource.TraceError(e.ToString());
}
catch (Exception e)
{
if (this.InvalidMessageReceived != null)
{
this.InvalidMessageReceived.BeginInvoke(this, new SyslogMessageReceivedEventArgs(new SyslogMessage(), new Uri(String.Format("udp://{0}", remote_ep)), this.m_configuration.Address, DateTime.Now), null, null);
}
this.m_traceSource.TraceError(e.ToString());
}
}
}
finally
{
this.m_udpSocket.Dispose();
}
}
/// <summary>
/// Start the service
/// </summary>
public void Start(Configuration.EndpointConfiguration bind)
{
this.m_traceSource.TraceInfo("Starting HTTP listener {0} on {1}...", bind.Name, bind.Address);
if (!HttpListener.IsSupported)
{
throw new InvalidOperationException("Windows XP SP2 or Server 2003 is required to use the HttpListener class.");
}
this.m_server.Prefixes.Add(bind.Address.ToString().Replace("0.0.0.0", "+"));
this.m_server.Start();
// Run
try
{
while (this.m_run)
{
// Context
HttpListenerContext context = this.m_server.GetContext();
// Response
context.Response.SendChunked = false;
context.Response.ContentType = "text/plain";
try
{
HttpListenerRequest request = context.Request;
HttpListenerResponse response = context.Response;
// Parse the message
byte[] httpRequest = new byte[request.ContentLength64];
request.InputStream.Read(httpRequest, 0, (int)request.ContentLength64);
String httpMessageStr = Encoding.UTF8.GetString(httpRequest);
var message = new SyslogMessage();
message.Body = httpMessageStr;
message.Facility = 1;
message.HostName = request.RemoteEndPoint.ToString();
message.Original = httpMessageStr;
message.Version = 1;
message.ProcessName = "UNKNOWN/HTTP";
message.ProcessId = "0";
message.SessionId = Guid.NewGuid();
if (request.HttpMethod != "POST")
{
throw new InvalidOperationException("Invalid HTTP method. Expected POST");
}
//else if (request.ContentType != "application/ihe+rfc3881" &&
// request.ContentType != "text/xml")
// throw new SyslogMessageException("Invalid content-type. Expected application/ihe+rfc3881", message);
message.TypeId = "IHE+RFC-3881";
if (this.MessageReceived != null)
{
this.MessageReceived.BeginInvoke(this, new SyslogMessageReceivedEventArgs(message, new Uri(String.Format("http://{0}:{1}", request.RemoteEndPoint.Port, request.RemoteEndPoint.Port)), bind.Address, DateTime.Now), null, null);
}
response.ContentLength64 = 0;
response.StatusCode = 200;
response.StatusDescription = "OK";
}
catch (InvalidOperationException e)
{
if (this.InvalidMessageReceived != null)
{
this.InvalidMessageReceived.BeginInvoke(this, new SyslogMessageReceivedEventArgs(new SyslogMessage(), new Uri(String.Format("http://{0}:{1}", context.Request.RemoteEndPoint.Address, context.Request.RemoteEndPoint.Port)), bind.Address, DateTime.Now), null, null);
}
byte[] errorBytes = Encoding.UTF8.GetBytes(e.ToString());
context.Response.ContentLength64 = errorBytes.Length;
context.Response.OutputStream.Write(errorBytes, 0, errorBytes.Length);
context.Response.StatusCode = 405;
context.Response.StatusDescription = "Method Not Allowed";
this.m_traceSource.TraceError(e.ToString());
}
catch (SyslogMessageException e)
{
if (this.InvalidMessageReceived != null)
{
this.InvalidMessageReceived.BeginInvoke(this, new SyslogMessageReceivedEventArgs(e.FaultingMessage, new Uri(String.Format("http://{0}:{1}", context.Request.RemoteEndPoint.Address, context.Request.RemoteEndPoint.Port)), bind.Address, DateTime.Now), null, null);
}
context.Response.StatusCode = 400;
context.Response.StatusDescription = "Bad Request";
byte[] errorBytes = Encoding.UTF8.GetBytes(e.ToString());
context.Response.ContentLength64 = errorBytes.Length;
context.Response.OutputStream.Write(errorBytes, 0, errorBytes.Length);
this.m_traceSource.TraceError(e.ToString());
}
catch (Exception e)
{
if (this.InvalidMessageReceived != null)
{
this.InvalidMessageReceived.BeginInvoke(this, new SyslogMessageReceivedEventArgs(new SyslogMessage(), new Uri(String.Format("http://{0}:{1}", context.Request.RemoteEndPoint.Address, context.Request.RemoteEndPoint.Port)), bind.Address, DateTime.Now), null, null);
}
context.Response.StatusCode = 500;
context.Response.StatusDescription = "Internal Server Error";
byte[] errorBytes = Encoding.UTF8.GetBytes(e.ToString());
context.Response.ContentLength64 = errorBytes.Length;
context.Response.OutputStream.Write(errorBytes, 0, errorBytes.Length);
this.m_traceSource.TraceError(e.ToString());
}
context.Response.Close();
}
}
catch (Exception e)
{
this.m_traceSource.TraceError("FATAL: {0}", e.ToString());
}
finally
{
this.m_server.Close();
}
}
