Avaya VTCPD Features (Software Release 2.1 on MPS 2.1) Manual do Utilizador descarregar pdf (Página 95)

VTCPD Application Programming

P0602483 Ver: 03.41 Page 95

Freeing the Host Connection

Use a Resource block to free the host connection slot (see Releasing Connection Slot

and Handling Exceptions on page 69.)

To send and receive messages on a system is configured for multiple VTCPD, the

application must specify the particular instance of VTCPD. The condition data

associated with gotres contains the connection number, the slot number, and

VTCPD port number. The application can use this information to communicate with

the correct VTCPD. For additional information, see Configurations That Require

Multiple VTCPD on page 91.

VTCPD also releases the host slot in the following circumstances:

• The application disconnects (that is, executes a Disconnect block or a Main

Container Exit connector)

• The application sends a message containing a different message ID

• The application requests a different connection (see Specifying the Host

Connection on page 81.)

• The system loses the host connection (in this case, applications using the

connection receive hostdown)

If the application sends and receives data without explicitly reserving and releasing

the host connection, VTCPD releases the host slot after the application receives the

host data. For additional information, see Soliciting Host Data on page 73.

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Avaya VTCPD Features (Software Release 2.1 on MPS 2.1) Manual do Utilizador Página 95