private string SendRequest(RequestCommand request, out string statusCode, out string errMsg)
{
request.timeoutSeconds = iotParam.timeoutSeconds; //追加超时参数
SuperSocketTCPClientOper tcpClientOper = new SuperSocketTCPClientOper(iotParam.commandIP, iotParam.port);
tcpClientOper.DataReceived += WriteResponseReceiveHandle;
if (!tcpClientOper.Connect(out string clienName, out errMsg))
{
errMsg = "连接物联网服务失败,请检查服务服务器是否打开:" + errMsg;
statusCode = "410";
return("");
}
string jsonStr = ByteUtil.AddLineBreak(ByteUtil.ToSerializeObject(request));
// 实现内部协议 GUID-key，T-body
string key = Guid.NewGuid().ToString();
string data = key + " " + jsonStr;
byte[] sendBuffer = ByteUtil.ToSerializeBuffer(data);
tcpClientOper.SendData(clienName, sendBuffer, out errMsg);
if (!string.IsNullOrWhiteSpace(errMsg))
{
errMsg = "请求物联网服务数据包发送失败:" + errMsg;
statusCode = "412";
return("");
}
// 主线程等待设定秒 不返回认定为超时
SpinWait wait = new SpinWait();
DateTime dt = DateTime.Now;
while ((DateTime.Now - dt) < TimeSpan.FromSeconds(iotParam.timeoutSeconds + 4))
{
if (this.responseFlag)
{
break;
}
wait.SpinOnce();
}
if (this.responseFlag) // 服务成功返回
{
try
{
ResponseCommand response = ByteUtil.ToDeserializeObject <ResponseCommand>(reciveBuffer);
statusCode = response.statusCode;
errMsg = response.errMsg;
return(response.info);
}
catch (Exception e)
{
statusCode = "413";
errMsg = "物联网服务返回参数反序列化失败：" + e.Message;
return("");
}
}
else
{
statusCode = "414";
errMsg = "服务超时未返回";
return("");
}
}
