NBS.TCP_Connection (FB)

( ⇘ CAA_NetBaseServices.library)

The next free connection is determined by handle exchange and set to active. As long as xActive is TRUE the handle of the connection is valid. If xActive is FALSE the handle of the connection is invalid. hConnection can be used as input hConnection for function blocks ⇘ NBS.TCP_Write, ⇘ NBS.TCP_WriteBuffer, ⇘ NBS.TCP_Read and ⇘ NBS.TCP_ReadBuffer.

Input:

xEnable	BOOL	see: ⇘ “CAA 指南”
hServer	CAA.HANDLE	Handle of the server

Output:

xDone	BOOL	see: ⇘ “CAA 指南”
xBusy	BOOL	see: ⇘ “CAA 指南”
xError	BOOL	see: ⇘ “CAA 指南”
eError	NBS.ERROR	Error id
xActive	BOOL	TRUE: Handle valid FALSE: Handle invalid
hConnection	CAA.HANDLE	Handle of the connection