/// <summary>
/// This methods is the start of incoming HTTP request handling.
/// </summary>
/// <param name="context"></param>
public virtual void HandleRequest(HttpListenerContext context)
{
HttpListenerRequest request = context.Request;
using (HttpListenerResponse response = context.Response)
{
OSHttpRequest req = new OSHttpRequest(context);
OSHttpResponse resp = new OSHttpResponse(context);
if (request.HttpMethod == String.Empty) // Can't handle empty requests, not wasting a thread
{
byte[] buffer = GetHTML500(response);
response.ContentLength64 = buffer.LongLength;
response.Close(buffer, true);
return;
}
response.KeepAlive = false;
string requestMethod = request.HttpMethod;
string uriString = request.RawUrl;
int requestStartTick = Environment.TickCount;
// Will be adjusted later on.
int requestEndTick = requestStartTick;
IStreamedRequestHandler requestHandler = null;
try
{
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US",
true);
string path = request.RawUrl;
string handlerKey = GetHandlerKey(request.HttpMethod, path);
byte[] buffer = null;
if ((request.ContentType == "application/xml" || request.ContentType == "text/xml") && GetXmlRPCHandler(request.RawUrl) != null)
{
buffer = HandleXmlRpcRequests(req, resp);
}
else if (TryGetStreamHandler(handlerKey, out requestHandler))
{
response.ContentType = requestHandler.ContentType;
// Lets do this defaulting before in case handler has varying content type.
buffer = requestHandler.Handle(path, request.InputStream, req, resp);
}
request.InputStream.Close();
try
{
if (buffer != null)
{
if (request.ProtocolVersion.Minor == 0)
{
//HTTP 1.0... no chunking
response.ContentLength64 = buffer.Length;
using (Stream stream = response.OutputStream)
{
HttpServerHandlerHelpers.WriteNonChunked(stream, buffer);
}
}
else
{
response.SendChunked = true;
using (Stream stream = response.OutputStream)
{
HttpServerHandlerHelpers.WriteChunked(stream, buffer);
}
}
//response.ContentLength64 = buffer.LongLength;
response.Close();
}
else
{
response.Close(new byte[0], true);
}
}
catch (Exception ex)
{
if (!(ex is HttpListenerException) ||
!HttpListenerManager.IGNORE_ERROR_CODES.Contains(((HttpListenerException)ex).ErrorCode))
{
MainConsole.Instance.WarnFormat(
"[BASE HTTP SERVER]: HandleRequest failed to write all data to the stream: {0}", ex.ToString());
}
response.Abort();
}
requestEndTick = Environment.TickCount;
}
catch (Exception e)
{
MainConsole.Instance.ErrorFormat("[BASE HTTP SERVER]: HandleRequest() threw {0} ", e.ToString());
response.Abort();
}
finally
{
// Every month or so this will wrap and give bad numbers, not really a problem
// since its just for reporting
int tickdiff = requestEndTick - requestStartTick;
if (tickdiff > 3000 && requestHandler != null)
{
MainConsole.Instance.InfoFormat(
"[BASE HTTP SERVER]: Slow handling of {0} {1} took {2}ms",
requestMethod,
uriString,
tickdiff);
}
else if (MainConsole.Instance.IsTraceEnabled)
{
MainConsole.Instance.TraceFormat(
"[BASE HTTP SERVER]: Handling {0} {1} took {2}ms",
requestMethod,
uriString,
tickdiff);
}
}
}
}
public void Run()
{
while (m_running)
{
PollServiceHttpRequest req = m_request.Dequeue();
try
{
byte[] buffer = null;
if (req.PollServiceArgs.HasEvents(req.RequestID, req.PollServiceArgs.Id))
{
StreamReader str;
try
{
str = new StreamReader(req.Context.Request.InputStream);
}
catch (System.ArgumentException)
{
// Stream was not readable means a child agent
// was closed due to logout, leaving the
// Event Queue request orphaned.
continue;
}
OSHttpResponse response = new OSHttpResponse(req.Context);
buffer = req.PollServiceArgs.GetEvents(req.RequestID, req.PollServiceArgs.Id,
str.ReadToEnd(), response);
}
else
{
if ((Environment.TickCount - req.RequestTime) > m_timeout)
{
OSHttpResponse response = new OSHttpResponse(req.Context);
buffer = req.PollServiceArgs.NoEvents(req.RequestID, req.PollServiceArgs.Id, response);
}
else
{
ReQueuePollServiceItem reQueueItem = ReQueue;
if (reQueueItem != null)
{
reQueueItem(req);
}
}
}
if (buffer != null)
{
req.Context.Response.ContentEncoding = Encoding.UTF8;
try
{
if (req.Context.Request.ProtocolVersion.Minor == 0)
{
//HTTP 1.0... no chunking
req.Context.Response.ContentLength64 = buffer.Length;
using (Stream stream = req.Context.Response.OutputStream)
{
HttpServerHandlerHelpers.WriteNonChunked(stream, buffer);
}
}
else
{
req.Context.Response.SendChunked = true;
using (Stream stream = req.Context.Response.OutputStream)
{
HttpServerHandlerHelpers.WriteChunked(stream, buffer);
}
}
req.Context.Response.Close();
}
catch (Exception ex)
{
if (!(ex is HttpListenerException) ||
!HttpListenerManager.IGNORE_ERROR_CODES.Contains(((HttpListenerException)ex).ErrorCode))
{
MainConsole.Instance.WarnFormat("[POLL SERVICE WORKER THREAD]: Failed to write all data to the stream: {0}", ex.ToString());
}
}
}
}
catch (Exception e)
{
MainConsole.Instance.ErrorFormat("Exception in poll service thread: {0}", e.ToString());
}
}
}
