Listener.Port (PROP) ¶ PROPERTY Port : UINT Port on which the listener shall listen.
Listener.Start (METH) ¶ METHOD Start : ERROR Binds the listening socket and starts listening on it. InOut: Scope Name Type Comment Input sIPAddress STRING IP address of the network adapter to listen to uiPort UINT Port to listen to Return Start ERROR
Listener.Socket (PROP) ¶ PROPERTY Socket : RTS_IEC_HANDLE
Listener.Stop (METH) ¶ METHOD Stop : ERROR Stops listening on the port InOut: Scope Name Type Return Stop ERROR
Select (FB) ¶ FUNCTION_BLOCK Select Encapsulates SysSockSelect Methods: Check CheckError CheckReceive CheckSend Structure: Check (Method) CheckError (Method) CheckReceive (Method) CheckSend (Method)
Select.Check (METH) ¶ METHOD Check : ERROR InOut: Scope Name Type Comment Input iTimeOut INT Time out in micro seconds Inout strRecvSet SysSocket.SOCKET_FD_SET List of streams to be checked for receive. Only streams which are ready for reception will remain in this list. strSendSet SysSocket.SOCKET_FD_SET List of streams to be checked for send. Only streams which are ready for sending will remain in this list. strErrorSet SysSocket.SOCKET_FD_SET List of streams to be checked for errors. Only streams which are having an error will remain in this list. Return Check ERROR Output diReady DINT
Select.CheckError (METH) ¶ METHOD CheckError : ERROR InOut: Scope Name Type Comment Input iTimeOut INT Time out in micro seconds; -1 is for infinite time out. Inout socketFD_SET SysSocket.SOCKET_FD_SET List of streams to be checked for errors. Only streams which are having an error will remain in this list. Return CheckError ERROR Output diReady DINT
Select.CheckReceive (METH) ¶ METHOD CheckReceive : ERROR InOut: Scope Name Type Comment Input iTimeOut INT Time out in micro seconds; -1 is for infinite time out. Inout socketFD_SET SysSocket.SOCKET_FD_SET List of streams to be checked for receive. Only streams which are ready for reception will remain in this list. Return CheckReceive ERROR Output diReady DINT
Select.CheckSend (METH) ¶ METHOD CheckSend : ERROR InOut: Scope Name Type Comment Input iTimeOut INT Time out in micro seconds; -1 is for infinite time out. Inout socketFD_SET SysSocket.SOCKET_FD_SET List of streams to be checked for send. Only streams which are ready for sending will remain in this list. Return CheckSend ERROR Output diReady DINT
Stream (FB) ¶ FUNCTION_BLOCK Stream Represents a tcp socket with which messages can be send/received Properties: IPAddress Socket State Methods: CheckConnectivity CheckReceive CheckSend Close Create FdIsSet FdSet GetOption IoControl Receive Reset Send SetOption Structure: CheckConnectivity (Method) CheckReceive (Method) CheckSend (Method) Close (Method) Create (Method) FdIsSet (Method) FdSet (Method) GetOption (Method) IoControl (Method) Properties IPAddress (Property) Socket (Property) State (Property) Receive (Method) Reset (Method) Send (Method) SetOption (Method)