public RpcTransportErrorResponse(
string correlationMessageId, IRpcMessageSenderContext senderContext, Exception errorInfo)
{
this.CorrelationMessageId = correlationMessageId;
this.SenderContext = senderContext;
this.ErrorInfo = errorInfo;
}
private bool dispatchCommand(
ServiceUniqueNameInfo commandUniqueName, IRpcMessageSenderContext context, string requestMessageContent,
out RemoteServiceBusResponseContext responseContext, out string responseMessageContent, out WindServiceBusRpcException rpcException)
{
// 创建响应上下文
responseMessageContent = null;
rpcException = null;
responseContext = new RemoteServiceBusResponseContext();
context.FillRemoteContext(responseContext);
// 通过RPC框架执行远程调用
try
{
RpcTransportMessageRequest requestMessage = new RpcTransportMessageRequest(MessageIdGenerator.CreateMessageId())
{
ServiceUniqueName = commandUniqueName,
MessageHeader = new RpcTransportMessageHeader
{
//TODO: 其他消息头
},
MessageContent = requestMessageContent,
};
RpcTransportMessageResponse responseMessage = this.rpcServerManager.SendMessage(requestMessage, context);
//响应上下文
if (responseMessage != null)
{
responseContext.FillRemoteContext(responseMessage.MessageHeader); //服务响应信息填入RemoteContext
}
//响应消息验证
if (responseMessage == null || responseMessage.CorrelationMessageId == null ||
responseMessage.CorrelationMessageId != requestMessage.MessageId ||
responseMessage.MessageContent == null)
{
throw new WindServiceBusException(string.Format("request [{0}] get error response !", requestMessage.MessageId));
}
if (responseMessage.ResponseCode != RpcTransportResponseCode.Success)
{
throw new WindServiceBusException(string.Format("request [{0}] get error response: {1}", requestMessage.MessageId, responseMessage.ErrorInfo));
}
responseMessageContent = responseMessage.MessageContent;
return(true); //请求成功
}
catch (Exception serviceBusException)
{
this._logger.Error("WindServiceBusException: " + commandUniqueName, serviceBusException);
rpcException = new WindServiceBusRpcException(responseContext, serviceBusException);
return(false); //请求失败
}
}
private ExpoMessageSenderContext validateExpoSenderContext(IRpcMessageSenderContext requestContext)
{
//获取请求目标上下文
var context = requestContext as ExpoMessageSenderContext;
if (context == null)
{
throw new WindServiceBusException("request context type error!");
}
if (context.TargetAppClassId <= 0)
{
throw new WindServiceBusException("target expo AppClassId shouled not be empty!");
}
if (context.TargetCommandId <= 0)
{
throw new WindServiceBusException("target expo CommandId shouled not be empty!");
}
return(context);
}
public RpcTransportMessageResponse SendMessage(RpcTransportMessageRequest request, IRpcMessageSenderContext requestContext)
{
this.validateMessage(request);
var context = this.validateExpoSenderContext(requestContext);
return(this.sendMessageCore(request, context));
}
/// <summary>
/// 发送RPC请求并获取响应
/// </summary>
public RpcTransportMessageResponse SendMessage(RpcTransportMessageRequest request, IRpcMessageSenderContext requestContext)
{
return(this.MessageSender.SendMessage(request, requestContext));
}
/// <summary>
/// 发送RPC消息
/// </summary>
/// <param name="serviceName">服务名称</param>
/// <param name="request">请求消息</param>
/// <returns>响应消息</returns>
public RpcTransportMessageResponse SendMessage(RpcTransportMessageRequest request, IRpcMessageSenderContext rpcContext)
{
IRpcServer rpcServer = rpcServers.FirstOrDefault(server => server.RpcType == rpcContext.RpcType);
return(rpcServer.SendMessage(request, rpcContext));
}
