public void HandleResource(ParsedHttpRequest request, HttpResponse response)
{
Int32 dotIndex = request.url.LastIndexOf('.');
if (dotIndex >= 0 && dotIndex + 1 < request.url.Length)
{
String extension = request.url.Substring(dotIndex + 1);
IResourceHandler handler;
if (handlerDictionary.TryGetValue(extension, out handler))
{
handler.HandleResource(request, response);
return;
}
}
defaultHandler.HandleResource(request, response);
}
public void Run()
{
try
{
//
// 1. Receive the Request
//
MemoryStream requestBuffer = new MemoryStream(1024);
ParsedHttpRequest request = new ParsedHttpRequest(stream, messageLogger, connectionDataLogger.AToBDataLogger);
//
// 2. Log the Request
//
Byte[] requestBytes = requestBuffer.ToArray();
requestBuffer.Dispose();
messageLogger.Log("Got Request {0} bytes", requestBytes.Length);
//
// 3. Create the Response
//
HttpResponse response = new HttpResponse();
response.version = "HTTP/1.1";
response.Headers = new Dictionary <String, String>();
response.Headers.Add("Server", WebServer.ServerName);
response.Headers.Add("Date", DateTime.Now.ToString("r"));
response.Headers.Add("Connection", "close");
if (!request.ParsedSuccessfully)
{
response.status = Http.ResponseBadRequest;
}
else
{
response.status = Http.ResponseOK;
try
{
resourceHandler.HandleResource(request, response);
}
catch (Exception e)
{
response.bodyStream.Dispose();
response.bodyStream = new MemoryStream();
Byte[] responseBytes = Encoding.Default.GetBytes(String.Format(
"<html><head><title>Exception: {0}</title><body><h1>URL: {1}</h1>\n<h2>Exception: {2}</h2>\n{3}</body></html>",
e.GetType().ToString(), request.url, e.Message, e.StackTrace));
response.bodyStream.Write(responseBytes, 0, responseBytes.Length);
response.Headers.Add("Content-Type", "text/html");
}
}
//
// 4. Check Headers
//
if (!response.Headers.ContainsKey("Content-Type"))
{
response.Headers.Add("Content-Type", "application/octet-stream");
}
Byte[] responseBody = response.bodyStream.ToArray();
response.Headers.Add("Content-Length", responseBody.Length.ToString());
//
// 5. Send the Response
//
// Put together the response string
StringBuilder headerStringBuilder = new StringBuilder(
String.Format("{0} {1}\n", response.version, Http.ResponseMessageMap[response.status]));
foreach (KeyValuePair <String, String> headerPair in response.Headers)
{
headerStringBuilder.Append(String.Format("{0}: {1}\n", headerPair.Key, headerPair.Value));
}
headerStringBuilder.Append('\n');
String headerString = headerStringBuilder.ToString();
messageLogger.Log("Sending Header {0} bytes", headerString.Length);
// Send headers
byte[] headerByteArray = Encoding.UTF8.GetBytes(headerString);
connectionDataLogger.LogDataBToA(headerByteArray, 0, headerByteArray.Length);
stream.Write(headerByteArray, 0, headerByteArray.Length);
// Send body
if (responseBody.Length > 0)
{
messageLogger.Log("Sending Body {0} bytes", responseBody.Length);
connectionDataLogger.LogDataBToA(responseBody, 0, responseBody.Length);
stream.Write(responseBody, 0, responseBody.Length);
}
}
catch (Exception e)
{
messageLogger.Log("Exception {0}", e.ToString());
}
finally
{
messageLogger.Log("Close");
stream.Close();
}
}
