FUNCTION_BLOCK PUBLIC FINAL TCP_Connection EXTENDS LCon IMPLEMENTS IConnection, IConnection_Internal
Encapsulates the connection between client and server
The TCP_Server function block will activate a related TCP_Connection function block,
if a client has successfully connected to its server.
itfConnection can be used as input itfConnection for function blocks TCP_Write, TCP_Writer, TCP_Read and TCP_Reader.
|
InOut:
|
|
Scope
|
Name
|
Type
|
Comment
|
Inherited from
|
|
Input
|
xEnable
|
BOOL
|
TRUE: Activates the defined operation FALSE: Aborts/resets the defined operation
|
LCon
|
|
Output
|
xDone
|
BOOL
|
Ready condition reached
|
LCon
|
|
xBusy
|
BOOL
|
TRUE: Operation is running
|
LCon
|
|
xError
|
BOOL
|
TRUE: Error condition reached
|
LCon
|
|
eErrorID
|
ERROR
|
|
LCon
|
|
Input
|
itfServer
|
IServer
|
The related TCP_Server function block
(One server function block can manage more than one connection function block).
|
|
|
Output
|
xActive
|
BOOL
|
TRUE if a Connection is established
|
|
|
itfConnection
|
IConnection
|
The established connection to the related client
Valid, as long xActive = TRUE
|
|
|