public void SendRequest(Action <long, RpcClientContext, bool> callback, int timeout)
{
RpcRequest request = _trans.Request;
Stopwatch watch = new Stopwatch();
_callback = callback;
_observer = RpcObserverManager.GetClientItem(_trans.ServerUri.ToString(), request.Service, request.Method, _trans.ServiceRole);
watch.Start();
try {
_trans.SendRequest(
delegate {
var response = _trans.Response;
long elapseTicks = watch.ElapsedTicks;
bool successed = response.ErrorCode == RpcErrorCode.OK;
_observer.Track(successed, response.Error, elapseTicks);
_callback(elapseTicks, this, successed);
},
timeout
);
TracingManager.Info(
delegate() {
_observer.RequestTracer.InfoFmt2(
request.ServiceAtComputer,
request.ContextUri,
"Args = {0}",
ObjectHelper.DumpObject(request.BodyValue)
);
}
);
} catch (Exception ex) {
_observer.RequestTracer.ErrorFmt2(
ex,
request.FromService,
request.ContextUri.ToString(),
"Args = {0}",
ObjectHelper.DumpObject(request.BodyValue)
);
var response = RpcResponse.Create(RpcErrorCode.SendFailed, ex);
long elapseTicks = watch.ElapsedTicks;
_observer.Track(false, response.Error, elapseTicks);
_callback(elapseTicks, this, false);
}
}
/// <summary>
/// 返回错误到客户端
/// </summary>
/// <param name="errCode">错误码</param>
/// <param name="ex">异常</param>
public void ReturnError(RpcErrorCode errCode, Exception ex)
{
RpcResponse response = RpcResponse.Create(errCode, ex);
SendResponse(response);
}
/// <summary>
/// 带参数成功返回
/// </summary>
/// <typeparam name="T">参数类型</typeparam>
/// <param name="results">返回参数</param>
/// <remarks>返回null等同于无参数返回</remarks>
public void Return <T>(T results)
{
RpcResponse response = RpcResponse.Create <T>(results);
SendResponse(response);
}
/// <summary>
/// 抛出异常到客户端
/// </summary>
/// <param name="ex">异常</param>
/// <remarks>等同于在方法中直接抛出异常，但可以在方法外异步抛出</remarks>
public void ThrowException(Exception ex)
{
RpcResponse response = RpcResponse.Create(RpcErrorCode.ServerError, ex);
SendResponse(response);
}
/// <summary>
/// 无参数成功返回
/// </summary>
public void Return()
{
RpcResponse response = RpcResponse.Create(RpcErrorCode.OK);
SendResponse(response);
}