TCP_Connection (FB)¶

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
Output	`itfConnection`	IConnection	The established connection to the related client Valid, as long xActive = TRUE

Methods:

Read

Write

Structure:

IConnection
- Read (Method)
- Write (Method)