コード例 #1
0
        /// <summary>
        /// 处理器
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public string Invoke(Dictionary <string, string> input)
        {
            string output;
            //失败计数器 N次 就直接返回异常
            int error = 0;

reStart:
            try
            {
                BrokerRequest brokerRequest = new BrokerRequest();
                brokerRequest.Input.Add(input);
                output = transport.Client.broker(request: brokerRequest, options: transport.TimeOut.GetCallOptions()).Reply; //如果连接不可用,会报IO异常(重试)
            }
            catch (Exception ex)
            {
                if (ex is RpcException)//连接不可用的时候 直接销毁 从新从连接池拿
                {
                    var sEx = (RpcException)ex;
                    if (sEx.StatusCode == StatusCode.Unavailable || sEx.StatusCode == StatusCode.Aborted)
                    {
                        error++;
                        if (error == 100) //累计3 拿不到有效连接 抛出异常 移除(此值 只是一个参考)
                        {
                            GrpcFactory.RemoveServicePool(id);
                            throw sEx;
                        }

                        GrpcFactory.ReturnInstance(transport, id); //归还有问题链接

                        transport = GrpcFactory.BorrowInstance(id);
                        goto reStart;
                    }
                    else if (sEx.StatusCode == StatusCode.DeadlineExceeded)
                    {
                        GrpcFactory.ReturnInstance(transport, id); //归还有问题链接
                    }
                }
                throw ex;
            }
            return(output);
        }
コード例 #2
0
 public Request(string host, int port)
 {
     this.id   = $"{host}:{port}";
     disposed  = false;
     transport = GrpcFactory.BorrowInstance(id);
 }