public ICollection <RpcTransportMessageResponse> BroadcastMessage(
RpcTransportMessageRequest request, IEnumerable <IRpcMessageSenderContext> requestContext, out ICollection <RpcTransportErrorResponse> errorResponse)
{
this.validateMessage(request);
/*
* List<RpcTransportMessageResponse> resultResponse = new List<RpcTransportMessageResponse>();
* errorResponse = new List<RpcTransportErrorResponse>();
* foreach (var senderContext in requestContext)
* {
* ExpoMessageSenderContext context = null;
* try
* {
* context = this.validateExpoSenderContext(senderContext);
* RpcTransportMessageResponse response = this.sendMessageCore(request, context);
* resultResponse.Add(response);
* }
* catch (Exception ex)
* {
* RpcTransportErrorResponse errorMsg = new RpcTransportErrorResponse(request.MessageId, context, ex);
* errorResponse.Add(errorMsg);
* }
* }
* return resultResponse;
*/
//并行版本
var requestContextList = requestContext.ToList();
List <RpcTransportMessageResponse> resultResponse = new List <RpcTransportMessageResponse>();
List <RpcTransportErrorResponse> errorResponseList = new List <RpcTransportErrorResponse>();
using (var countdownEvent = new CountdownEvent(1))
{
for (int i = 0; i < requestContextList.Count; i++)
{
countdownEvent.AddCount();
ThreadPool.QueueUserWorkItem(state =>
{
int idx = (int)state;
ExpoMessageSenderContext context = null;
try
{
var senderContext = requestContextList[idx];
context = this.validateExpoSenderContext(senderContext);
RpcTransportMessageResponse response = this.sendMessageCore(request, context);
resultResponse.Add(response);
}
catch (Exception ex)
{
RpcTransportErrorResponse errorMsg = new RpcTransportErrorResponse(request.MessageId, context, ex);
errorResponseList.Add(errorMsg);
}
finally
{
countdownEvent.Signal();
}
}, i);
}
countdownEvent.Signal();
countdownEvent.Wait();
}
errorResponse = errorResponseList;
return(resultResponse);
}
private RpcTransportMessageResponse sendMessageCore(RpcTransportMessageRequest request, ExpoMessageSenderContext context)
{
/*
* var proxy = RealProxy.InitInstanceByConnection(this.appServer);
* CommandHeader header = new CommandHeader((ushort)context.TargetAppClassId, (uint)context.TargetCommandId);
* var reqObj = (new ExpoCommandMessageParser.ExpoMessageInput(request)).BuidExpoMessageBody();
* object[] resObj = null;
* proxy.DoCommandProxy(header, reqObj, out resObj);
* var resultRpcMessage = (new ExpoCommandMessageParser.ExpoMessageOutput(resObj)).BuidRpcTransportMessage(request);
* return resultRpcMessage;
*/
//构建消息体
var requestMsg = new Message();
requestMsg.SetCommand((ushort)context.TargetAppClassId, (uint)context.TargetCommandId);
requestMsg.FillBody((new ExpoCommandMessageParser.ExpoMessageInput(request)).BuidExpoMessageBody(), true);
//调用RPC
var expoSyncMessage = new WindMessageBus.SyncUserMessage(requestMsg);
int resultVal = this.appServer.sendMessage(expoSyncMessage, context.CommandTimeout);
//处理（抛出）异常
if (expoSyncMessage.ErrInfo != null)
{
throw new WindServiceBusException(expoSyncMessage.ErrInfo);
}
var responseMsg = expoSyncMessage.Response;
if (responseMsg.Header.CommandClass != context.TargetAppClassId ||
responseMsg.Header.CommandValue != context.TargetCommandId)
{
throw new WindServiceBusException("expo response not match request!");
}
if (responseMsg.isErrMsg())
{
string errorInfo = "unknow expo response exception";
responseMsg.GetErrInfo(out errorInfo);
throw new WindServiceBusException(errorInfo);
}
//构建消息返回
var expoResponse = responseMsg.ToAnswerObj();
var resultRpcMessage = (new ExpoCommandMessageParser.ExpoMessageOutput(expoResponse)).BuidRpcTransportMessage(request);
//resultRpcMessage.MessageHeader... //TODO: 其他响应消息头
return(resultRpcMessage);
}
