/// <summary>
/// Creates a new instance of the <see cref="EwsServiceMultiResponseXmlReader"/> class.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="service">The service.</param>
/// <returns>an instance of EwsServiceMultiResponseXmlReader wrapped around the input stream.</returns>
internal static EwsServiceMultiResponseXmlReader Create(Stream stream, ExchangeService service)
{
EwsServiceMultiResponseXmlReader reader = new EwsServiceMultiResponseXmlReader(stream, service);
return reader;
}
/// <summary>
/// Parses the responses.
/// </summary>
/// <param name="state">The state.</param>
private void ParseResponses(object state)
{
try
{
Guid traceId = Guid.Empty;
HangingTraceStream tracingStream = null;
MemoryStream responseCopy = null;
try
{
bool traceEwsResponse = this.Service.IsTraceEnabledFor(TraceFlags.EwsResponse);
using (Stream responseStream = this.response.GetResponseStream())
{
tracingStream = new HangingTraceStream(responseStream, this.Service);
// EwsServiceMultiResponseXmlReader.Create causes a read.
if (traceEwsResponse)
{
responseCopy = new MemoryStream();
tracingStream.SetResponseCopy(responseCopy);
}
EwsServiceMultiResponseXmlReader ewsXmlReader = EwsServiceMultiResponseXmlReader.Create(tracingStream, this.Service);
while (this.IsConnected)
{
object responseObject = null;
if (traceEwsResponse)
{
try
{
responseObject = this.ReadResponse(ewsXmlReader, this.response.Headers);
}
finally
{
this.Service.TraceXml(TraceFlags.EwsResponse, responseCopy);
}
// reset the stream collector.
responseCopy.Dispose();
responseCopy = new MemoryStream();
tracingStream.SetResponseCopy(responseCopy);
}
else
{
responseObject = this.ReadResponse(ewsXmlReader, this.response.Headers);
}
this.responseHandler(responseObject);
}
}
}
catch (TimeoutException ex)
{
// The connection timed out.
this.Disconnect(HangingRequestDisconnectReason.Timeout, ex);
return;
}
catch (IOException ex)
{
// Stream is closed, so disconnect.
this.Disconnect(HangingRequestDisconnectReason.Exception, ex);
return;
}
catch (HttpRequestException ex)
{
// Stream is closed, so disconnect.
this.Disconnect(HangingRequestDisconnectReason.Exception, ex);
return;
}
catch (WebException ex)
{
// Stream is closed, so disconnect.
this.Disconnect(HangingRequestDisconnectReason.Exception, ex);
return;
}
catch (ObjectDisposedException ex)
{
// Stream is closed, so disconnect.
this.Disconnect(HangingRequestDisconnectReason.Exception, ex);
return;
}
catch (NotSupportedException)
{
// This is thrown if we close the stream during a read operation due to a user method call.
// Trying to delay closing until the read finishes simply results in a long-running connection.
this.Disconnect(HangingRequestDisconnectReason.UserInitiated, null);
return;
}
catch (XmlException ex)
{
// Thrown if server returned no XML document.
this.Disconnect(HangingRequestDisconnectReason.UserInitiated, ex);
return;
}
finally
{
if (responseCopy != null)
{
responseCopy.Dispose();
responseCopy = null;
}
}
}
catch (ServiceLocalException exception)
{
this.Disconnect(HangingRequestDisconnectReason.Exception, exception);
}
}
/// <summary>
/// Creates a new instance of the <see cref="EwsServiceMultiResponseXmlReader"/> class.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="service">The service.</param>
/// <returns>an instance of EwsServiceMultiResponseXmlReader wrapped around the input stream.</returns>
internal static EwsServiceMultiResponseXmlReader Create(Stream stream, ExchangeService service)
{
EwsServiceMultiResponseXmlReader reader = new EwsServiceMultiResponseXmlReader(stream, service);
return(reader);
}