//--- Messages ---
internal void Message(string message)
{
lock (this) {
if (message != null)
{
if (_messages != null)
{
_messages.Enqueue(message);
if (_messages.Count > 10)
{
_messages.Dequeue();
}
_env.AddActivityDescription(_key, string.Format("Outgoing: {0} {1} [{2}]", _verb, _uri, string.Join(" -> ", _messages.ToArray())));
}
}
else
{
_messages = null;
_env.RemoveActivityDescription(_key);
}
}
}
//--- Methods ---
void IHttpHandler.ProcessRequest(HttpContext httpContext)
{
var key = new object();
DreamMessage request = null;
try {
string verb = httpContext.Request.HttpMethod;
XUri requestUri = HttpUtil.FromHttpContext(httpContext);
_env.AddActivityDescription(key, string.Format("Incoming: {0} {1}", verb, requestUri));
_log.DebugMethodCall("ProcessRequest", verb, requestUri);
// create request message
request = new DreamMessage(DreamStatus.Ok, new DreamHeaders(httpContext.Request.Headers), MimeType.New(httpContext.Request.ContentType), httpContext.Request.ContentLength, httpContext.Request.InputStream);
DreamUtil.PrepareIncomingMessage(request, httpContext.Request.ContentEncoding, string.Format("{0}://{1}{2}", httpContext.Request.Url.Scheme, httpContext.Request.Url.Authority, httpContext.Request.ApplicationPath), httpContext.Request.UserHostAddress, httpContext.Request.UserAgent);
// TODO (arnec): should this happen before PrepareIncomingMessage?
request.Headers.DreamTransport = _handler.GetRequestBaseUri(httpContext.Request).ToString();
// process message
var response = _env.SubmitRequestAsync(verb, requestUri, httpContext.User, request, new Result <DreamMessage>(TimeSpan.MaxValue)).Block();
request.Close();
var item = response.HasException ? DreamMessage.InternalError(response.Exception) : response.Value;
// set status
if (_log.IsDebugEnabled)
{
_log.DebugMethodCall("ProcessRequest[Status]", item.Status, String.Format("{0}{1}", httpContext.Request.Url.GetLeftPart(UriPartial.Authority), httpContext.Request.RawUrl).Replace("/index.aspx", "/"));
}
httpContext.Response.StatusCode = (int)item.Status;
// remove internal headers
item.Headers.DreamTransport = null;
item.Headers.DreamPublicUri = null;
// create stream for response (this will force the creation of the 'Content-Length' header as well)
Stream stream = item.ToStream();
// copy headers
foreach (KeyValuePair <string, string> pair in item.Headers)
{
_log.TraceMethodCall("ProcessRequest[Header]", pair.Key, pair.Value);
httpContext.Response.AppendHeader(pair.Key, pair.Value);
}
// add set-cookie headers to response
if (item.HasCookies)
{
foreach (DreamCookie cookie in item.Cookies)
{
httpContext.Response.AppendHeader(DreamHeaders.SET_COOKIE, cookie.ToSetCookieHeader());
}
}
// send message stream
long size = item.ContentLength;
if (((size == -1) || (size > 0)) && (stream != Stream.Null))
{
stream.CopyTo(httpContext.Response.OutputStream, size, new Result <long>(TimeSpan.MaxValue)).Wait();
}
item.Close();
} catch (Exception ex) {
_log.ErrorExceptionMethodCall(ex, "CommonRequestHandler");
if (request != null)
{
request.Close();
}
if (httpContext != null)
{
httpContext.Response.Close();
}
} finally {
_env.RemoveActivityDescription(key);
}
}
/// <summary>
/// Add a host activity.
/// </summary>
/// <param name="key">Activity key.</param>
/// <param name="description">Description of activity.</param>
public void AddActivityDescription(object key, string description)
{
_env.AddActivityDescription(key, description);
}