PureBasic Forums - English

Posted: **Tue Feb 09, 2016 11:58 am**

After connection from client to server, before receiving data, server tries to reply to client by SendNetworkString().
Then, I want to receive data from client. But in this case NetworkServerEvent() doesn't generate #PB_NetworkEvent_Data event.
Why?

Client:

Code: Select all

;
; ------------------------------------------------------------
;
;   PureBasic - Network (Client) example file
;
;    (c) Fantaisie Software
;
; ------------------------------------------------------------
;

If InitNetwork() = 0
  MessageRequester("Error", "Can't initialize the network !", 0)
  End
EndIf

Port = 6832

ConnectionID = OpenNetworkConnection("127.0.0.1", Port)
If ConnectionID
  MessageRequester("PureBasic - Client", "Client connected to server...", 0)
  
  SendNetworkString(ConnectionID, "An hello from a client !!! :-)", #PB_UTF8)
    
  MessageRequester("PureBasic - Client", "A string has been sent to the server, please check it before quit...", 0)
  
  CloseNetworkConnection(ConnectionID)
Else
  MessageRequester("PureBasic - Client", "Can't find the server (Is it launched ?).", 0)
EndIf
  
End

Server:

Code: Select all

;
; ------------------------------------------------------------
;
;   PureBasic - Network (Server) example file
;
;    (c) Fantaisie Software
;
; ------------------------------------------------------------
;

If InitNetwork() = 0
  MessageRequester("Error", "Can't initialize the network !", 0)
  End
EndIf

Port = 6832
*Buffer = AllocateMemory(1000)

If CreateNetworkServer(0, Port)

  MessageRequester("PureBasic - Server", "Server created (Port "+Str(Port)+").", 0)
  
  Repeat
      
    SEvent = NetworkServerEvent()
  
    If SEvent
    
      ClientID = EventClient()
  
      Select SEvent
      
        Case #PB_NetworkEvent_Connect
          MessageRequester("PureBasic - Server", "A new client has connected !", 0)
          SendNetworkString(ClientID,"test string")
  
        Case #PB_NetworkEvent_Data
          MessageRequester("PureBasic - Server", "Client "+Str(ClientID)+" has send a packet !", 0)
          ReceiveNetworkData(ClientID, *Buffer, 1000)
          MessageRequester("Info", "String: "+PeekS(*Buffer, -1, #PB_UTF8), 0)
  
        Case #PB_NetworkEvent_Disconnect
          MessageRequester("PureBasic - Server", "Client "+Str(ClientID)+" has closed the connection...", 0)
          Quit = 1
    
      EndSelect
    EndIf
    
  Until Quit = 1 
  
  MessageRequester("PureBasic - Server", "Click to quit the server.", 0)
  
  CloseNetworkServer(0)
Else
  MessageRequester("Error", "Can't create the server (port in use ?).", 0)
EndIf

  
End

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