/// <summary>
/// Establish connection to server
/// </summary>
/// <returns>true if successful</returns>
public bool EstablishConnection()
{
bool res = false;
if (ProgramSocket == null)
{
//Connect
string output = SocketServerClass.ConnectToServer(IPAddress.Parse("127.0.0.1"), ServerPort, out ProgramSocket, out Error);
if (Error >= 0)
{
Thread.Sleep(1000);
//Read response
string output2 = SocketServerClass.ReceiveFromServer(ProgramSocket, out Error);
//Parse response
HandleServerResponse(output2);
res = true;
}
}
else
{
Logging.AddLog(LogPrefix + " already connected", LogLevel.Activity);
res = true;
}
return(res);
}
/// <summary>
/// Send commnad
/// </summary>
/// <returns></returns>
public bool SendCommand(string message, out string result)
{
bool res = false;
//if wasn't connected earlier, connect again
if (ProgramSocket == null)
{
EstablishConnection();
}
Logging.AddLog("PHD2 sending comand: " + message, LogLevel.Debug);
//Send command
string output = SocketServerClass.SendToServer(ProgramSocket, message, out Error);
if (Error >= 0)
{
Thread.Sleep(200);
//Read response
string output2 = SocketServerClass.ReceiveFromServer(ProgramSocket, out Error);
Logging.AddLog("PHD2_SendCommand: server response = " + output2, LogLevel.Debug, Highlight.Error);
//Parse response
Handle_PHD_Response(output2, out result);
//Check
if (!LastCommand_Result)
{
Error = -1;
ErrorSt = LastCommand_Message;
Logging.AddLog("PHD2 command failed: " + LastCommand_Message + "]", LogLevel.Debug, Highlight.Error);
}
else
{
Error = 0;
ErrorSt = "";
Logging.AddLog("PHD2 command succesfull", LogLevel.Debug);
res = true;
}
}
else
{
result = "";
Logging.AddLog("PHD2 send command error: " + ErrorSt, LogLevel.Debug, Highlight.Error);
}
return(res);
}
/// <summary>
/// Run this method to check if there are incoming PHD messages and parse them
/// </summary>
/// <returns>true if new events</returns>
public bool CheckProgramEvents()
{
bool res = false;
//Read response
string output = SocketServerClass.ReceiveFromServer(ProgramSocket, out Error);
//Parse response
if (output != null)
{
Handle_PHD_Response(output);
res = true;
}
return(res);
}
/// <summary>
/// Send commnad through Socket Interface
/// </summary>
/// <returns></returns>
public bool SendCommand(string CommandString, out string result)
{
bool res = false;
//if wasn't connected earlier, connect again
if (ProgramSocket == null)
{
if (!EstablishConnection())
{
Logging.AddLog("Failed to connect to " + LogPrefix, LogLevel.Activity, Highlight.Error);
result = "";
return(false);
}
}
Logging.AddLog(LogPrefix + " sending comand: " + CommandString, LogLevel.Debug);
//////////////////
//Send command
//////////////////
string output = SocketServerClass.SendToServer(ProgramSocket, CommandString, out Error);
//Release socket
if (ProgramSocket != null && Error != 0)
{
ProgramSocket.Shutdown(SocketShutdown.Both);
ProgramSocket.Close();
ProgramSocket = null;
}
if (Error >= 0)
{
//Wait a bit
Thread.Sleep(300);
//////////////////
//Read response
//////////////////
string output2 = SocketServerClass.ReceiveFromServer(ProgramSocket, out Error);
//Check
if (output2 == null || output2 == String.Empty)
{
Error = -1;
ErrorSt = LastCommand_Message;
result = "";
Logging.AddLog(LogPrefix + " command failed: " + LastCommand_Message + "]", LogLevel.Debug, Highlight.Error);
}
else
{
Error = 0;
ErrorSt = "";
result = output2;
Logging.AddLog(LogPrefix + " command succesfull", LogLevel.Debug);
res = true;
}
}
else
{
result = "";
Logging.AddLog(LogPrefix + " send command error: " + ErrorSt, LogLevel.Debug, Highlight.Error);
}
return(res);
}
/// <summary>
/// get connect equipment status
/// </summary>
/// <returns></returns>
public void CMD_GetConnectEquipmentStatus()
{
if (!this.IsRunning())
{
return;
}
//calc id
int CMD_ID = 80;
Random rand = new Random();
int temp = rand.Next(999);
int id = CMD_ID * 1000 + temp;
//make message
string message = @"{""method"": ""get_connected"", ""id"": " + id + "}" + "\r\n";
//send message to PHD2
string st_result = "";
bool resSend = SendCommand2(message, out st_result);
if (!resSend)
{
Logging.AddLog("PHD2 CMD_GetConnectEquipmentStatus send message error: [" + resSend + "]" + st_result, LogLevel.Debug, Highlight.Error);
EquipmentConnected = false;
return;
}
//wait
Thread.Sleep(200);
//Read response
int errorCode = -999;
string output_from_server = SocketServerClass.ReceiveFromServer(ProgramSocket, out errorCode);
if (errorCode < 0)
{
Logging.AddLog("PHD2 CMD_GetConnectEquipmentStatus receive message error: [" + resSend + "]" + st_result, LogLevel.Debug, Highlight.Error);
EquipmentConnected = false;
return;
}
Logging.AddLog("PHD2_SendCommand: server response = " + output_from_server, LogLevel.Debug, Highlight.Error);
//Parse response
Handle_PHD_Response(output_from_server, out st_result, id);
//Check
if (st_result == "true")
{
Error = 0;
ErrorSt = "";
Logging.AddLog("PHD2 equipment connected", LogLevel.Debug);
}
else
{
Error = -1;
ErrorSt = LastCommand_Message;
Logging.AddLog("PHD2 equipment not connected or error: " + LastCommand_Message + "]", LogLevel.Debug, Highlight.Error);
}
this.EquipmentConnected = (Error == 0);
return;
}
