internal static byte[] Pack(PortEnvRequest portEnvRequest)
{
List <byte> sendBuffer = new List <byte>();
sendBuffer.AddRange(BitConverter.GetBytes(portEnvRequest.cmn));
sendBuffer.AddRange(BitConverter.GetBytes(portEnvRequest.msgId));
sendBuffer.AddRange(BitConverter.GetBytes(portEnvRequest.msgLen));
sendBuffer.AddRange(BitConverter.GetBytes(portEnvRequest.reqId));
return(sendBuffer.ToArray());
}
/// <summary>
/// 串口环境数据请求
/// </summary>
/// <param name="portEnvRequest"></param>
/// <returns></returns>
private bool ProcessPortEnvRequest(PortEnvRequest portEnvRequest)
{
bool isSend = false;
byte[] buffer = PortEnvRequest.Pack(portEnvRequest);
isSend = serialPortInput.SendMessage(buffer);
if (!isSend)
{
Console.WriteLine("串口数据发送失败");
return(false);
}
else
{
Console.WriteLine($"串口发送: + {BitConverter.ToString(buffer)}");
return(true);
}
}
/// <summary>
/// Http获取环境数据请求
/// </summary>
/// <param name="postData"></param>
/// <param name="response"></param>
private async void ProcessGetData(IDictionary <string, string> postData, System.Net.Http.HttpListenerResponse response)
{
ResponseModel responseModel = new ResponseModel();
//POST数据中是否有'data'这个Key
if (null == postData || !postData.ContainsKey("data"))
{
responseModel.Status = ResultStatus.Error;
responseModel.ResultMessage = "GetData No 'data' Key";
Console.WriteLine("GetData No 'data' Key");
await response.WriteContentAsync(JsonConvert.SerializeObject(responseModel));
return;
}
//data Key 对应的 Value 是否有值
if (string.IsNullOrWhiteSpace(postData["data"]))
{
responseModel.Status = ResultStatus.Error;
responseModel.ResultMessage = "GetData POST 'data' Key No Value";
Console.WriteLine("GetData POST 'data' Key No Value");
await response.WriteContentAsync(JsonConvert.SerializeObject(responseModel));
return;
}
HttpEnvRequest httpEnvRequest;
try
{
httpEnvRequest = JsonConvert.DeserializeObject <HttpEnvRequest>(postData["data"]);
}
catch (Exception ex)
{
responseModel.Status = ResultStatus.Error;
responseModel.ResultMessage = $"GetData Json Err: {ex.Message}";
Console.WriteLine($"GetData Json Err: {ex.Message}");
await response.WriteContentAsync(JsonConvert.SerializeObject(responseModel));
return;
}
//token校验
if (!Common.Tokens.ContainsValue(httpEnvRequest.Token))
{
Console.WriteLine("token不存在");
responseModel.Status = ResultStatus.Error;
responseModel.ResultMessage = "token不存在";
await response.WriteContentAsync(JsonConvert.SerializeObject(responseModel));
return;
}
//校验成功, 返回数据
HttpEnvResponse httpEnvResponse = HttpEnvResponse.Pack(DataTemp.EnvData);
responseModel.Status = ResultStatus.Success;
responseModel.ResultMessage = "环境数据";
responseModel.Data = httpEnvResponse;
await response.WriteContentAsync(JsonConvert.SerializeObject(responseModel));
//为了提高性能, 每一次返回的都是上次获取的环境数据
if (DateTime.Now - DataTemp.DateTime > new TimeSpan(0, 0, 4))
{
Console.WriteLine("DataTemp.DateTimes数据为5秒之前的, 向串口请求新的数据");
PortEnvRequest portEnvRequest = new PortEnvRequest();
portEnvRequest.cmn = Common.GetCmn();
ProcessPortEnvRequest(portEnvRequest);
}
else
{
Console.WriteLine("DataTemp.DateTimes数据为5秒之内的, 无需向串口请求新的数据");
}
}