Communications/Transactions Guide and Reference
VisualAge provides parts that give you more direct control
over network connections than is provided by the Proc Dialog parts. If
the communication model you want to follow does not conform to the Proc
Dialog's "connect-send-receive-disconnect" sequence, you can use these
parts to build a more flexible network connection.
For each communication protocol, two parts work together to implement a
network communication link: the Connection and the
Connection Spec.
- Connection
- A Connection part represents a connection to a remote application.
Its attributes, actions, and events enable the VisualAge application to
connect and disconnect, send and receive data, and monitor the connection
status.
Each protocol has a different connection part. The connection parts
are named as follows:
- APPC Conversation
- CICS Logical Unit of Work
- CPI-C Conversation
- MQI Series Connection
- RPC Client
- TCP Socket
- Connection Spec
- A Connection Spec part represents the specification of a particular
network connection.
It defines the name or address of the remote machine and the protocol-specific
details necessary to set up a connection. A connection part must be
provided with a connection spec part to make a network connection.
Each protocol has its own connection spec part; and the parts are
named as follows:
- APPC Connection Spec
- CICS Program
- CPI-C Connection Spec
- MQI Connection Spec
- RPC Connection Spec
- TCP Connection Spec
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