Inter-process communication

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Plash

You can send update values to the client(s).

master.bmx

SuperStrict

Framework pub.freeprocess

Import brl.eventqueue
Import maxgui.drivers
Import brl.timer

Local Wnd_Main:TGadget = CreateWindow("Host", 100, 100, 300, 250, Null, WINDOW_TITLEBAR | WINDOW_STATUS) 

Local Btn_Start:TGadget = CreateButton("Start", 20, 20, 70, 30, Wnd_Main) 
Local Btn_Stop:TGadget = CreateButton("Stop", 20, 60, 70, 30, Wnd_Main) 
	DisableGadget Btn_Stop
	
Local Btn_Send:TGadget = CreateButton("Send", 20, 100, 70, 30, Wnd_Main) 
	DisableGadget Btn_Send
	
Local Txf_SendMessage:TGadget = CreateTextField(20, 140, 200, 20, Wnd_Main) 

Local proc:TProcess, Listen:Int = 0, procmsg:String

CreateTimer 60
Repeat
	Select WaitEvent() 
		Case EVENT_TIMERTICK
			If Listen = 1
				If proc.Status() And proc.pipe.ReadAvail() 
				
				 procmsg = proc.pipe.ReadLine().Replace(Chr(13), "").Replace(Chr(0), "") 
					
					If procmsg
					   SetStatusText Wnd_Main, CurrentTime() + "[" + procmsg + "]"
						
						If procmsg = "EXIT"
							Print "Terminate..."
							
							proc.Terminate() 
							proc = Null
						   End
						End If
						
					End If
					
				End If
				
			   proc.pipe.WriteLine("~~") 
			   
			End If
			
		Case EVENT_GADGETACTION
			Select EventSource() 
			
				Case Btn_Send
				 If proc Then proc.pipe.WriteLine(TextFieldText(Txf_SendMessage)) 
					
				Case Btn_Start
				  proc = CreateProcess("proc.exe") 
					DisableGadget Btn_Start
					EnableGadget Btn_Stop
					EnableGadget Btn_Send
					SetStatusText Wnd_Main, "Process Started"
					
				   Listen = 1
				
				Case Btn_Stop
					DisableGadget Btn_Send
					DisableGadget Btn_Stop
					EnableGadget Btn_Start
					SetStatusText Wnd_Main, "Process Stopped"
					
					Listen = 0
					proc.Terminate() 
					proc = Null
					
			End Select
			
		Case EVENT_WINDOWCLOSE
			End
			
	End Select
	
Forever
End

proc.bmx

SuperStrict

Framework brl.standardio

Import brl.eventqueue
Import maxgui.drivers
import brl.timer

Local Wnd_Main:TGadget = CreateWindow("Client", 400, 100, 300, 250, Null, WINDOW_TITLEBAR | WINDOW_STATUS) 

Local Btn_Stop:TGadget = CreateButton("Stop", 20, 20, 70, 30, Wnd_Main) 
Local Btn_Send:TGadget = CreateButton("Send", 20, 60, 70, 30, Wnd_Main) 

Local Txf_SendMessage:TGadget = CreateTextField(20, 140, 200, 20, Wnd_Main)  

CreateTimer 60
Repeat
	Select WaitEvent() 
		Case EVENT_TIMERTICK
		  Local stdmsg:String = StandardIOStream.ReadLine() 'ReadStdin() 
			
			If stdmsg
				If stdmsg <> "~~"
					SetStatusText Wnd_Main, CurrentTime() + "[" + stdmsg + "]"
					
					'Print "RECEIVED"
				EndIf
				
				If stdmsg = "EXIT"
					Print "EXIT"
					
				   Exit
				End If
				
			End If
			
		Case EVENT_GADGETACTION
			Select EventSource() 
				Case Btn_Send
					Print TextFieldText(Txf_SendMessage) 
					
				Case Btn_Stop
					Print "EXIT"	
				
			End Select
			
		Case EVENT_WINDOWCLOSE
			Print "EXIT"
		   End
			
	End Select
	
Forever
End