RosettaCodeData/Task/Echo-server/PureBasic/echo-server.purebasic

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NewMap RecData.s()
OpenWindow(0, 100, 200, 200, 100, "Echo Server", #PB_Window_SystemMenu | #PB_Window_MinimizeGadget )
InitNetwork()
CreateNetworkServer(1, 12321)
Repeat
Event = NetworkServerEvent()
ClientID = EventClient()
If Event = #PB_NetworkEvent_Connect ; When a new client has been connected...
AddMapElement(RecData(), Str(ClientID))
ElseIf Event = #PB_NetworkEvent_Data
*Buffer = AllocateMemory(20000)
count = ReceiveNetworkData(ClientID, *Buffer, 20000)
For i = 1 To count
RecData(Str(ClientID)) + Mid( PeekS(*Buffer, count), i , 1)
If Right( RecData(Str(ClientID)), 2) = #CRLF$
SendNetworkString (ClientID, RecData(Str(ClientID)))
Debug IPString(GetClientIP(ClientID)) + ":" + Str(GetClientPort(ClientID)) + " " + RecData(Str(ClientID))
RecData(Str(ClientID)) = ""
EndIf
Next
FreeMemory(*Buffer)
ElseIf Event = #PB_NetworkEvent_Disconnect ; When a client has closed the connection...
DeleteMapElement(RecData(), Str(ClientID))
EndIf
Event = WaitWindowEvent(10)
Until Event = #PB_Event_CloseWindow