/// <summary>
/// End request is typically used for post processing. The response should already contain everything required.
/// </summary>
/// <param name="context">HTTP context</param>
/// <remarks>
/// <para>The last method that is executed in the pipeline.</para>
/// Try to avoid throwing exceptions if you can. Let all modules have a chance to handle this method. You may break the processing in any other method than the Begin/EndRequest methods.</remarks>
public void EndRequest(IHttpContext context)
{
_logger.Trace("Pipeline => ErrorModule.EndRequest");
if (context.LastException != null)
{
string errorPage = HtmlFactory.HttpResponse("utf-8", "Exeption Error", string.Format("Opps, fail with exception: {0}", context.LastException));
//string errorPage = string.Format("<!DOCTYPE html><html><body>Opps, fail with exception: {0}</html></body>", context.LastException);
context.Response.StatusCode = HttpStatusCode.InternalServerError;
context.Response.ReasonPhrase = "Exception Error";
context.Response.Content = new HttpStringContent(errorPage, Windows.Storage.Streams.UnicodeEncoding.Utf8, "text/html");
}
if (context.Response.RequestMessage == null)
{
string errorPage = HtmlFactory.HttpResponse("utf-8", "Not Found", "Opps, page not found");
context.Response.StatusCode = HttpStatusCode.NotFound;
context.Response.ReasonPhrase = "Not Found";
context.Response.Content = new HttpStringContent(errorPage, Windows.Storage.Streams.UnicodeEncoding.Utf8, "text/html");
}
}
private async Task SendResponseAsync(StreamSocket socket, HttpResponseMessage response)
{
if (socket == null)
{
return;
}
_logger.Trace("Pipeline => HttpServer.SendResponseAsync");
try
{
if (response == null)
{
string errorPage = HtmlFactory.HttpResponse("utf-8", "Not Found", "Opps, page not found");
response.Content = new HttpStringContent(errorPage, UnicodeEncoding.Utf8, "text/html");
response.StatusCode = HttpStatusCode.NotFound;
response.ReasonPhrase = "Not Found";
response.Headers.Add("Connection", "close");
}
//if (response.Content == null)
// response.Content = new HttpStringContent(string.Empty);
//ulong contentLength = await response.Content.BufferAllAsync();
//if (contentLength == 0)
// return;
using (DataWriter outputWriter = new DataWriter(socket.OutputStream))
{
string htmlVersion;
switch (response.Version)
{
case HttpVersion.Http10:
htmlVersion = "HTTP/1.0";
break;
case HttpVersion.Http20:
htmlVersion = "HTTP/2.0";
break;
default:
htmlVersion = "HTTP/1.1";
break;
}
outputWriter.UnicodeEncoding = UnicodeEncoding.Utf8;
outputWriter.WriteString(string.Format("{0} {1} {2}\r\n", htmlVersion, (int)response.StatusCode, response.StatusCode));
foreach (var item in response.Headers)
{
outputWriter.WriteString(string.Format("{0}: {1}\r\n", item.Key, item.Value));
}
foreach (var item in response.Content.Headers)
{
outputWriter.WriteString(string.Format("{0}: {1}\r\n", item.Key, item.Value));
}
//string ret = "Set-Cookie: {0}={1}; Path={2}; Expires={3};\r\n";
outputWriter.WriteString("\r\n");
var bodyContent = await response.Content.ReadAsBufferAsync();
outputWriter.WriteBuffer(bodyContent);
await outputWriter.StoreAsync();
//await outputWriter.FlushAsync();
}
}
catch (Exception ex)
{
_logger.Error("Http request failed with error: {0}", ex.Message, ex);
}
finally
{
if (socket != null)
{
socket.Dispose();
}
_logger.Debug("Connection from {0}:{1} to {2}:{3} was closed",
socket.Information.RemoteHostName.DisplayName,
socket.Information.RemotePort,
socket.Information.LocalAddress.DisplayName,
socket.Information.LocalPort);
}
}