/// <summary>
/// 同步调用Rpc接口, 仅用于希望同步操作的场合
/// </summary>
/// <param name="methodName">方法名</param>
/// <typeparam name="TArgs">调用的参数类型</typeparam>
/// <param name="args">调用的参数</param>
/// <typeparam name="TResults">返回参数类型</typeparam>
/// <param name="timeoutMs">超时时间, 毫秒ms</param>
/// <returns>Rpc调用返回值</returns>
/// <remarks>一般来说同步Rpc的允许的场合包括:
/// 1. 读取配置
/// 2. 在固定线程中的, 从队列中取出数据的并通过Rpc处理, 避免对服务的压力并保持顺序的一致性
/// 3. 单元测试
/// </remarks>
public TResults Invoke <TArgs, TResults>(string methodName, TArgs args, int timeoutMs)
{
var a = new SyncInvoker <RpcClientContext>();
BeginInvoke <TArgs>(methodName, args, a.Callback);
if (a.Wait(timeoutMs))
{
return(a.Context.EndInvoke <TResults>());
}
else
{
throw new RpcException(RpcErrorCode.TransactionTimeout, "", "TransactionTimeout", null);
}
}
public static JsonRpcResponse Invoke(string serviceUri, string module, string method, string reqBody)
{
JsonRpcResponse resp = null;
JsonRpcHttpClientTransaction proxy = new JsonRpcHttpClientTransaction();
SyncInvoker sync = new SyncInvoker();
JsonRpcRequest rpcReq = new JsonRpcRequest(serviceUri, reqBody);
rpcReq.AddHeader("UU-REQUEST-MODULE", module);
rpcReq.AddHeader("UU-REQUEST-ACTION", method);
rpcReq.AddHeader("UU-AUTH-TYPE", "2");
proxy.SendRequest(rpcReq, (rpcResponse) =>
{
resp = rpcResponse;
sync.Callback();
});
sync.Wait(1000 * 80);
return(resp);
}