/// <summary>
/// receive an event targeted to this particular player
/// </summary>
/// <param name="post"></param>
static void ListenForMessages()
{
_isRunning = true;
var listener = new ServiceBusListener();
while (_shouldRun)
{
try
{
listener.ListenForMessages();
}
catch (WebException ex)
{
// if the server has not created a topic yet for the client then a 404 error will be returned so do not report
if (!ex.Message.Contains("The remote server returned an error: (404) Not Found"))
{
if (OnListenError != null)
{
OnListenError.Invoke(null, new ErrorEventArgs(ex));
}
}
}
catch (Exception ex)
{
if (OnListenError != null)
{
OnListenError.Invoke(null, new ErrorEventArgs(ex));
}
}
}
_isRunning = false;
}
static void ReadCallBack(IAsyncResult asyncResult)
{
try
{
// Get the RequestState object from AsyncResult.
RequestState rs = (RequestState)asyncResult.AsyncState;
// Retrieve the ResponseStream that was set in RespCallback.
Stream responseStream = rs.ResponseStream;
// Read rs.BufferRead to verify that it contains data.
int read = responseStream.EndRead(asyncResult);
if (read > 0)
{
// Prepare a Char array buffer for converting to Unicode.
Char[] charBuffer = new Char[BUFFER_SIZE];
// Convert byte stream to Char array and then to String.
// len contains the number of characters converted to Unicode.
rs.StreamDecode.GetChars(rs.BufferRead, 0, read, charBuffer, 0);
// Append the recently read data to the RequestData stringbuilder
// object contained in RequestState.
rs.RequestData.Append(
Encoding.ASCII.GetString(rs.BufferRead, 0, read));
// Continue reading data until
// responseStream.EndRead returns –1.
responseStream.BeginRead(rs.BufferRead, 0, BUFFER_SIZE, new AsyncCallback(ReadCallBack), rs);
}
else
{
if (rs.RequestData.Length > 0)
{
HandlePacket(rs.RequestData.ToString());
}
// Close down the response stream.
responseStream.Close();
// Set the ManualResetEvent so the main thread can exit.
allDone.Set();
}
}
catch (Exception ex)
{
if (OnListenError != null)
{
OnListenError.Invoke(null, new ErrorEventArgs(ex));
}
}
return;
}
public void ListenForMessages()
{
if (_isRunning != null && !_isRunning.IsCompleted)
{
return;
}
var address = new Uri(CommonConfiguration.Instance.BackboneConfiguration.GetServiceSubscriptionsAddress(Queue, CommonConfiguration.Instance.PlayerId));
try
{
WebRequest request = WebRequest.Create(address);
if (_sasProvider == null)
{
_sasProvider = new SharedAccessSignatureTokenProvider(CommonConfiguration.Instance.BackboneConfiguration.IssuerName,
CommonConfiguration.Instance.BackboneConfiguration.IssuerSecret,
new TimeSpan(1, 0, 0));
}
var token = _sasProvider.GetToken(CommonConfiguration.Instance.BackboneConfiguration.GetRealm(), "POST", new TimeSpan(1, 0, 0));
request.Headers[HttpRequestHeader.Authorization] = token.TokenValue;
request.Method = "DELETE";
RequestState rs = new RequestState();
rs.Request = request;
_isRunning = request.BeginGetResponse(new AsyncCallback(RespCallback), rs);
}
catch (WebException ex)
{
// if the server has not created a topic yet for the client then a 404 error will be returned so do not report
if (!ex.Message.Contains("The remote server returned an error: (404) Not Found"))
{
if (OnListenError != null)
{
OnListenError.Invoke(this, new System.IO.ErrorEventArgs(ex));
}
}
}
catch (Exception ex)
{
if (OnListenError != null)
{
OnListenError.Invoke(this, new System.IO.ErrorEventArgs(ex));
}
}
}
private static void RespCallback(IAsyncResult ar)
{
try
{
// Get the RequestState object from the async result.
RequestState rs = (RequestState)ar.AsyncState;
// Get the WebRequest from RequestState.
WebRequest req = rs.Request;
// Call EndGetResponse, which produces the WebResponse object
// that came from the request issued above.
WebResponse resp = req.EndGetResponse(ar);
// Start reading data from the response stream.
Stream ResponseStream = resp.GetResponseStream();
// Store the response stream in RequestState to read
// the stream asynchronously.
rs.ResponseStream = ResponseStream;
// Pass rs.BufferRead to BeginRead. Read data into rs.BufferRead
IAsyncResult iarRead = ResponseStream.BeginRead(rs.BufferRead, 0, BUFFER_SIZE, new AsyncCallback(ReadCallBack), rs);
if (iarRead.IsCompleted != true)
{
Debug.LogWarning("ServiceBusListener.RespCallback() invalid read.");
}
}
catch (Exception ex)
{
if (OnListenError != null)
{
OnListenError.Invoke(null, new ErrorEventArgs(ex));
}
}
}
