public void InvokeOneway(RemotingRequest request)
{
EnsureClientStatus();
request.Type = RemotingRequestType.Oneway;
_clientSocket.QueueMessage(RemotingUtil.BuildRequestMessage(request));
}
public void InvokeWithCallback(RemotingRequest request)
{
EnsureClientStatus();
request.Type = RemotingRequestType.Callback;
_clientSocket.QueueMessage(RemotingUtil.BuildRequestMessage(request));
}
private void HandleRemotingRequest(ITcpConnection connection, byte[] message, Action <byte[]> sendReplyAction)
{
if (_isShuttingdown)
{
return;
}
var remotingRequest = RemotingUtil.ParseRequest(message);
var requestHandlerContext = new SocketRequestHandlerContext(connection, sendReplyAction);
IRequestHandler requestHandler;
if (!_requestHandlerDict.TryGetValue(remotingRequest.Code, out requestHandler))
{
var errorMessage = string.Format("No request handler found for remoting request:{0}", remotingRequest);
_logger.Error(errorMessage, null);
if (remotingRequest.Type != RemotingRequestType.Oneway)
{
requestHandlerContext.SendRemotingResponse(new RemotingResponse(
remotingRequest.Type,
remotingRequest.Code,
remotingRequest.Sequence,
remotingRequest.CreatedTime,
-1,
Encoding.UTF8.GetBytes(errorMessage),
DateTime.Now,
remotingRequest.Header,
null));
}
return;
}
try
{
var remotingResponse = requestHandler.HandleRequest(requestHandlerContext, remotingRequest);
if (remotingRequest.Type != RemotingRequestType.Oneway && remotingResponse != null)
{
requestHandlerContext.SendRemotingResponse(remotingResponse);
}
}
catch (Exception ex)
{
var errorMessage = string.Format("Unknown exception raised when handling remoting request:{0}.", remotingRequest);
_logger.Error(errorMessage, ex);
if (remotingRequest.Type != RemotingRequestType.Oneway)
{
requestHandlerContext.SendRemotingResponse(new RemotingResponse(
remotingRequest.Type,
remotingRequest.Code,
remotingRequest.Sequence,
remotingRequest.CreatedTime,
-1,
Encoding.UTF8.GetBytes(ex.Message),
DateTime.Now,
remotingRequest.Header,
null));
}
}
}
private static byte[] BuildRemotingServerMessage(RemotingResponse remotingResponse)
{
byte[] remotingResponseData = RemotingUtil.BuildResponseMessage(remotingResponse);
var remotingServerMessage = new RemotingServerMessage(
RemotingServerMessageType.RemotingResponse,
100,
remotingResponseData,
null);
return(RemotingUtil.BuildRemotingServerMessage(remotingServerMessage));
}
public Task <RemotingResponse> InvokeAsync(RemotingRequest request, int timeoutMillis)
{
EnsureClientStatus();
request.Type = RemotingRequestType.Async;
var taskCompletionSource = new TaskCompletionSource <RemotingResponse>();
var responseFuture = new ResponseFuture(request, timeoutMillis, taskCompletionSource);
if (!_responseFutureDict.TryAdd(request.Sequence, responseFuture))
{
throw new ResponseFutureAddFailedException(request.Sequence);
}
_clientSocket.QueueMessage(RemotingUtil.BuildRequestMessage(request));
return(taskCompletionSource.Task);
}
private void HandleServerMessage(ITcpConnection connection, byte[] message)
{
if (message == null)
{
return;
}
var remotingServerMessage = RemotingUtil.ParseRemotingServerMessage(message);
if (remotingServerMessage.Type == RemotingServerMessageType.RemotingResponse)
{
HandleResponseMessage(connection, remotingServerMessage.Body);
}
else if (remotingServerMessage.Type == RemotingServerMessageType.ServerMessage)
{
HandleServerPushMessage(connection, remotingServerMessage);
}
}
private void HandleResponseMessage(ITcpConnection connection, byte[] message)
{
if (message == null)
{
return;
}
var remotingResponse = RemotingUtil.ParseResponse(message);
if (remotingResponse.RequestType == RemotingRequestType.Callback)
{
IResponseHandler responseHandler;
if (_responseHandlerDict.TryGetValue(remotingResponse.RequestCode, out responseHandler))
{
responseHandler.HandleResponse(remotingResponse);
}
else
{
_logger.ErrorFormat("No response handler found for remoting response:{0}", remotingResponse);
}
}
else if (remotingResponse.RequestType == RemotingRequestType.Async)
{
ResponseFuture responseFuture;
if (_responseFutureDict.TryRemove(remotingResponse.RequestSequence, out responseFuture))
{
if (responseFuture.SetResponse(remotingResponse))
{
_logger.Debug("Remoting response back, request code:{0}, requect sequence:{1}, time spent:{2}", responseFuture.Request.Code, responseFuture.Request.Sequence, (DateTime.Now - responseFuture.BeginTime).TotalMilliseconds);
}
else
{
_logger.ErrorFormat("Set remoting response failed, response:" + remotingResponse);
}
}
}
}
public void PushMessageToAllConnections(RemotingServerMessage message)
{
var data = RemotingUtil.BuildRemotingServerMessage(message);
_serverSocket.PushMessageToAllConnections(data);
}