OSI/AS Programming Manual

Example 2: Presentation Layer and ACSE
Sample Programs
056783 Tandem Computers Incorporated E–85
/* */
/*--------------------------------------------------------*/
main()
{
/* */
/* read startup message, open output, and initialize APS*/
/* */
initialize_appl();
/* */
/* Set the OSI manager process name. */
/* */
memcpy( api_environment.zend_system_name.u_zc.zb
, "$OMGR "
, 24
);
api_environment.zwaitmode = ZAPS_VAL_NOWAITED;
/* */
/* Set the local application name. */
/* */
local_appl.zpsap.zpsel.zlen = 0; /* not used */
local_appl.zpsap.zssel.zlen = 0; /* not used */
local_appl.zpsap.ztsel.zlen = 0; /* not used */
local_appl.zpsap.znsap.zlen = 0; /* not used */
local_appl.zappl_name.zlen = 5;
memcpy( local_appl.zappl_name.u_zc.zb, "APPL2", 5 );
/* */
/* Set the mode and service ID for an ACSE association. */
/* */
service_id = ZAPS_VAL_SERVICE_ACSE;
/* */
/* Issue attach, informing OSI/AS that the application */
/* is willing to accept an ACSE associate indication. */
/* */
tag = error_attach_proc;
printf( "APPL2: attach\n" );
status = APS_ASSOC_ATTACH_( &cepi
, (int *) &api_environment
, (int *) &local_appl
, tag
, service_id
);
wait_for_aps_completion( error_attach_proc );
if ( status != ZAPS_VAL_STATUS_OK )
display_aps_status( error_attach_proc );
/* */
/* At this point, local-appl and acse_local_ae_title */
/* are available through APS_ASSOC_GETPARAM_, but */
/* we can wait for the indication to get them. */
/* */