private static void TimeoutCallback(object state, bool timedOut)
{
RpcHttpClientTransaction trans = null;
try {
trans = (RpcHttpClientTransaction)state;
if (trans._registeredHandle != null)
{
trans._registeredHandle.Unregister(null);
}
if (timedOut) // Timeout
{
var response = RpcResponse.Create(RpcErrorCode.TransactionTimeout, null);
trans.OnCallback(response);
}
} catch (Exception ex) {
SystemLog.Error(LogEventID.RpcFailed, ex, "TimeoutCallback");
}
}
private static void ResponseCallback(IAsyncResult asyncResult)
{
RpcHttpClientTransaction trans = (RpcHttpClientTransaction)asyncResult.AsyncState;
RpcResponse response = null;
try {
var webResponse = trans._webRequest.EndGetResponse(asyncResult);
trans._webResponse = webResponse;
string warn = webResponse.Headers.Get("Warning");
if (!string.IsNullOrEmpty(warn))
{
RpcErrorCode errCode = (RpcErrorCode)Enum.Parse(typeof(RpcErrorCode), warn);
if (errCode != RpcErrorCode.OK)
{
Exception ex = null;
if (webResponse.ContentLength > 0)
{
Stream stream = webResponse.GetResponseStream();
ex = BinarySerializer.Deserialize <Exception>(stream);
}
response = RpcResponse.Create(errCode, ex);
}
else
{
SystemLog.Error(LogEventID.RpcFailed, "Unexcepted Message");
response = RpcResponse.Create(RpcErrorCode.Unknown, null);
}
}
else
{
bool hasBody = (webResponse.Headers["Null"] != "true");
if (hasBody)
{
if (webResponse.ContentLength == 0)
{
response = RpcResponse.Create(RpcNull.EmptyStream, 0);
}
else
{
Stream stream = webResponse.GetResponseStream();
response = RpcResponse.Create(stream, (int)webResponse.ContentLength);
}
}
else
{
response = RpcResponse.Create();
}
}
} catch (WebException ex) {
if (ex.Status == WebExceptionStatus.Timeout)
{
response = RpcResponse.Create(RpcErrorCode.TransactionTimeout, ex);
}
else
{
response = RpcResponse.Create(RpcErrorCode.SendFailed, ex);
}
} catch (Exception ex) {
response = RpcResponse.Create(RpcErrorCode.SendFailed, ex);
}
trans.OnCallback(response);
}