Eicon Networks CX1 Manuel d'installation télécharger pdf (Page 32)

G&R

The file above allows an unlimited number of simultaneous connections to

mailboxes printer1, printer2 and printer3. For each connection to

one of the mailboxes a new instance of the corresponding Gspool is started,

regardless of how many were already executing. Connections to mailbox

filtran each start a new instance of GUFTSRV. Only one instance of

userapp is allowed to start, new connections to userapp are refused until

the first instance terminates.

If an application connects using both mailbox name and extension then there

must be an entry that matches both. The entry will be used to start the

application unless the limit (-lim) is reached. Two entries with the same

mailbox name must have different extensions.

If an application connects using only the mailbox name then the first entry in

the file with a mailbox name that matches will be used to start the application

until the limit (-lim) is reached. If the limit is reached then the next entry with

a matching mailbox name is used.

User written applications using this feature should be written like any other

application using GlAPI, but be aware that:

• The session connection is passed on the standard input file descriptor,

so this descriptor must not be changed.

• Additional information is passed using environment variables, so these

must not be cleared.

• The application should terminate as soon as the session terminates. It

should not itself go on to listen for further incoming connections. In

other words, it should handle one session and then die. A new instance

of the application will be started to handle the next incoming connect.

Issuing connections

When the handler issues a connect it asks by default for either a two-way

simultaneous or alternate session, leaving it up to the acceptor to decide. TSS

on GCOS8 would always choose alternate, but the DACQ gateway to DMIV

TP or the CXI interface to TP8 can choose either, depending on Datanet and TP

configuration. Two Host Links products communicating with each other

would by default choose a two-way-simultaneous session.

Gline Line Handlers and Configuration

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Eicon Networks CX1 Manuel d'installation Page 32