public ModbusRTUResponseBody RequestModbusRTUData(ModbusRTURequestBody request)
{
ModbusRTUResponseBody response = new ModbusRTUResponseBody();
response.ServerID = request.ServerID;
response.DeviceAddr = request.DeviceAddr;
response.FunctionCode = request.FunctionCode;
response.ErrorMessage = string.Empty;
response.ResponseTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
ModbusRtuTcpServerHost tcpServerHost = HostContainer.GetModbusRtuTcpServerHostByServerID(request.ServerID);
if (tcpServerHost == null)
{
response.ErrorMessage = string.Format("数据采集服务未启动或未成功连接数据源");
response.Status = "0";
return(response);
}
byte devAddr;
if (!byte.TryParse(request.DeviceAddr, out devAddr))
{
response.ErrorMessage = string.Format("设备地址[{0}]无效", request.DeviceAddr);
response.Status = "0";
return(response);
}
byte funcCode;
if (!byte.TryParse(request.FunctionCode, out funcCode))
{
response.ErrorMessage = string.Format("功能代码[{0}]无效", request.FunctionCode);
response.Status = "0";
return(response);
}
ushort startAddr;
if (!ushort.TryParse(request.StartAddr, out startAddr))
{
response.ErrorMessage = string.Format("起始寄存器地址[{0}]无效", request.StartAddr);
response.Status = "0";
return(response);
}
ushort regCount;
if (!ushort.TryParse(request.RegCount, out regCount))
{
response.ErrorMessage = string.Format("读取寄存器数量[{0}]无效", request.RegCount);
response.Status = "0";
return(response);
}
try
{
string respCRC = string.Empty;
response.DataContent = tcpServerHost.RequestModbusRTUData(devAddr, funcCode, startAddr, regCount, out respCRC);
response.DataLength = (regCount * 2).ToString();
response.ResponseTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
response.ResponseCRC = respCRC;
response.Status = "1";
}
catch (Exception ex)
{
response.DataContent = null;
response.DataLength = "0";
response.ErrorMessage = ex.Message;
response.Status = "0";
response.ResponseTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
}
return(response);
}
private void StartModbusRtuTcpServers()
{
//启动ModbusRTUTCP服务Socket
try
{
string serversConfig = System.Configuration.ConfigurationManager.AppSettings["modbusrtutcp"];
string sWaitTime = System.Configuration.ConfigurationManager.AppSettings["interval"];
uint waitTime;
if (!uint.TryParse(sWaitTime, out waitTime))
{
waitTime = 500;
}
string sRetryTimes = System.Configuration.ConfigurationManager.AppSettings["retrytimes"];
int retryTimes;
if (!int.TryParse(sRetryTimes, out retryTimes) || retryTimes < 0)
{
retryTimes = 3;
}
JavaScriptSerializer jss = new JavaScriptSerializer();
//{SN:001,IP:172.16.1.2,PORT:6008}
//{"SN":"001","IP":"172.16.1.2","PORT":"6008"}
//DataServerConfig dsCfg = jss.Deserialize<DataServerConfig>("{'SN':'001','IP':'172.16.1.2','PORT':'6008'}");
List <DataServerConfig> serverCfgList = jss.Deserialize <List <DataServerConfig> >(serversConfig);
foreach (DataServerConfig serverCfg in serverCfgList)
{
Thread.Sleep(1000);
if (serverCfg.ServerID.Trim() == string.Empty)
{
ServiceLog.Warn(string.Format("Modbus RTU 数据采集服务器标识符[{0}]无效", serverCfg.ServerID));
continue;
}
IPAddress ip;
if (!IPAddress.TryParse(serverCfg.IP, out ip))
{
ServiceLog.Warn(string.Format("Modbus RTU 数据采集服务器IP地址[{0}]无效", serverCfg.IP));
continue;
}
ushort port;
if (!ushort.TryParse(serverCfg.Port, out port))
{
ServiceLog.Warn(string.Format("Modbus RTU 数据采集服务器端口[{0}]无效", serverCfg.Port));
continue;
}
try
{
ModbusRtuTcpServerHost tcpSvrHost = new ModbusRtuTcpServerHost(serverCfg.ServerID, ip, port, waitTime, retryTimes);
Thread thread = new Thread(new ThreadStart(tcpSvrHost.Run));
thread.IsBackground = true;
thread.Start();
}
catch (Exception ex)
{
ServiceLog.Error(string.Format("启动 Modbus RTU 数据采集服务[{0} {1}:{2}]线程时发生错误：{3}", serverCfg.ServerID, serverCfg.IP, serverCfg.Port, ex.Message));
}
}
}
catch (Exception ex)
{
ServiceLog.Warn(string.Format("获取 Modbus RTU 数据采集服务配置时发生错误：{0}", ex.Message));
}
}
