AsyncCallback cb_wrapper; // Calls to ReadCallbackWrapper or WriteCallbacWrapper
internal bool IgnoreIOErrors;
- public WebConnectionStream (WebConnection cnc)
- {
+ public WebConnectionStream (WebConnection cnc, WebConnectionData data)
+ {
+ if (data == null)
+ throw new InvalidOperationException ("data was not initialized");
+ if (data.Headers == null)
+ throw new InvalidOperationException ("data.Headers was not initialized");
+ if (data.request == null)
+ throw new InvalidOperationException ("data.request was not initialized");
isRead = true;
cb_wrapper = new AsyncCallback (ReadCallbackWrapper);
pending = new ManualResetEvent (true);
- this.request = cnc.Data.request;
+ this.request = data.request;
read_timeout = request.ReadWriteTimeout;
write_timeout = read_timeout;
this.cnc = cnc;
- string contentType = cnc.Data.Headers ["Transfer-Encoding"];
+ string contentType = data.Headers ["Transfer-Encoding"];
bool chunkedRead = (contentType != null && contentType.IndexOf ("chunked", StringComparison.OrdinalIgnoreCase) != -1);
- string clength = cnc.Data.Headers ["Content-Length"];
+ string clength = data.Headers ["Content-Length"];
if (!chunkedRead && clength != null && clength != "") {
try {
contentLength = Int32.Parse (clength);
internal WebConnection Connection {
get { return cnc; }
}
-#if NET_2_0
public override bool CanTimeout {
get { return true; }
}
-#endif
-#if NET_2_0
- public override
-#endif
- int ReadTimeout {
+ public override int ReadTimeout {
get {
return read_timeout;
}
}
}
-#if NET_2_0
- public override
-#endif
- int WriteTimeout {
+ public override int WriteTimeout {
get {
return write_timeout;
}
{
}
- internal void SetHeaders (byte [] buffer)
+ internal void SetHeadersAsync (byte[] buffer, WebAsyncResult result)
{
if (headersSent)
return;
long cl = request.ContentLength;
string method = request.Method;
bool no_writestream = (method == "GET" || method == "CONNECT" || method == "HEAD" ||
- method == "TRACE" || method == "DELETE");
- if (sendChunked || cl > -1 || no_writestream) {
- WriteHeaders ();
+ method == "TRACE");
+ bool webdav = (method == "PROPFIND" || method == "PROPPATCH" || method == "MKCOL" ||
+ method == "COPY" || method == "MOVE" || method == "LOCK" ||
+ method == "UNLOCK");
+ if (sendChunked || cl > -1 || no_writestream || webdav) {
+
+ headersSent = true;
+
+ try {
+ result.InnerAsyncResult = cnc.BeginWrite (request, headers, 0, headers.Length, new AsyncCallback(SetHeadersCB), result);
+ if (result.InnerAsyncResult == null) {
+ // when does BeginWrite return null? Is the case when the request is aborted?
+ if (!result.IsCompleted)
+ result.SetCompleted (true, 0);
+ result.DoCallback ();
+ }
+ } catch (Exception exc) {
+ result.SetCompleted (true, exc);
+ result.DoCallback ();
+ }
+ }
+ }
+
+ void SetHeadersCB (IAsyncResult r)
+ {
+ WebAsyncResult result = (WebAsyncResult) r.AsyncState;
+ result.InnerAsyncResult = null;
+ try {
+ cnc.EndWrite2 (request, r);
+ result.SetCompleted (false, 0);
if (!initRead) {
initRead = true;
WebConnection.InitRead (cnc);
}
+ long cl = request.ContentLength;
if (!sendChunked && cl == 0)
requestWritten = true;
+ } catch (WebException e) {
+ result.SetCompleted (false, e);
+ } catch (Exception e) {
+ result.SetCompleted (false, new WebException ("Error writing headers", e, WebExceptionStatus.SendFailure));
}
+ result.DoCallback ();
}
internal bool RequestWritten {
return (length > 0) ? cnc.BeginWrite (request, bytes, 0, length, cb, state) : null;
}
- void WriteHeaders ()
- {
- if (headersSent)
- return;
-
- headersSent = true;
- string err_msg = null;
- if (!cnc.Write (request, headers, 0, headers.Length, ref err_msg))
- throw new WebException ("Error writing request: " + err_msg, null, WebExceptionStatus.SendFailure, null);
- }
-
internal void WriteRequest ()
{
if (requestWritten)
if (!headersSent) {
string method = request.Method;
bool no_writestream = (method == "GET" || method == "CONNECT" || method == "HEAD" ||
- method == "TRACE" || method == "DELETE");
+ method == "TRACE");
if (!no_writestream)
request.InternalContentLength = length;
- request.SendRequestHeaders (true);
+
+ byte[] requestHeaders = request.GetRequestHeaders ();
+ WebAsyncResult ar = new WebAsyncResult (null, null);
+ SetHeadersAsync (requestHeaders, ar);
+ ar.AsyncWaitHandle.WaitOne ();
+ if (ar.Exception != null)
+ throw ar.Exception;
}
- WriteHeaders ();
+
if (cnc.Data.StatusCode != 0 && cnc.Data.StatusCode != 100)
return;