settimer.c

speech signal process tools

/*
 * This material contains unpublished, proprietary software of 
 * Entropic Research Laboratory, Inc. Any reproduction, distribution, 
 * or publication of this work must be authorized in writing by Entropic 
 * Research Laboratory, Inc., and must bear the notice: 
 *
 *    "Copyright (c) 1995 Entropic Research Laboratory, Inc. 
 *                   All rights reserved"
 *
 * The copyright notice above does not evidence any actual or intended 
 * publication of this source code.     
 *
 * Written by:   Alan Parker
 * Checked by:
 * Revised by:
 *
 * Brief description: handles license stuff for xwaves
 *
 */

static char *sccs_id = "@(#)settimer.c	1.8 28 Oct 1999 ERL";

#include <elm.h>
#include <elm_erl.h>
#include <Objects.h>

static char expired_feature[ELM_FEATURE_LEN+1];

#define ALARM_TIME 30
#define EXIT 1
#define NOEXIT 0
/* #define DEBUG 1 */
static void lm_message();
static Notify_value lm_alarm();

#define ITIMER_NULL ((struct itimerval *)0)
static Notify_value ln_alarm();

#define DOWN_MSG "The license manager server cannot be reached.  Either\n\
it is not running, or the environment variable ESI_HOST is not set to\n\
the correct hostname.    If the license server is running on this host\n\
then ESI_HOST should either be undefined or contain the name of this host.\n\
If the license manager server is running on another host, then ESI_HOST\n\
should contain that hostname.\n"

void
set_timer()
{
	int ret;
	static int my_client_object;
	int *elm_client = &my_client_object;
	struct itimerval elm_timer;

#ifdef NO_LIC
        return;
#endif
	elm_timer.it_interval.tv_usec =0;
	elm_timer.it_interval.tv_sec =ALARM_TIME;
	elm_timer.it_value.tv_usec =0;
	elm_timer.it_value.tv_sec =ALARM_TIME;

	(void)notify_set_itimer_func(elm_client, lm_alarm,ITIMER_REAL,
		&elm_timer, ITIMER_NULL);
	
	
	return;
}

#define MESSAGE1 \
"xwaves: You've lost your license (probably taken while you suspended\n\
this program).  You have about 30 seconds to clean up unless another license\n\
is freed.\n"

#define MESSAGE2 \
"xwaves: You've lost your license (probably taken while you suspended\n\
this program).  Program terminated\n"


static Notify_value
lm_alarm(client, which)
Notify_client client;
int which;
{
	int ret;
        static int already_lost=0;
	static int pid = 0;

#ifdef NO_LIC
	return(NOTIFY_DONE);
#else
	
	if(!pid) pid=getpid();
#ifdef DEBUG
	fprintf(stderr,"[pid: %d]: lm_alarm called\n",pid);
#endif
	ret = elm_alive(expired_feature);
	if (ret == ELM_OK && !already_lost) {
		return (NOTIFY_DONE);
	} else if (ret == ELM_LOST || already_lost) {
		fprintf(stderr,
		 "[pid: %d]: License lost.. trying to get it back..",pid);
		(void)elm_retlicense(WAVES_FEATURE,0);
		ret = elm_getlicense(WAVES_FEATURE, ELM_GETLIC,0);
		if (ret != ELM_OK) {
			if(!already_lost) {
			   fprintf(stderr,"\n[pid: %d]\n%s\n",pid,MESSAGE1);
			   already_lost=1;
			   return(NOTIFY_DONE);
			}
                        else {
			   fprintf(stderr,"\n[pid: %d]\n%s\n",pid,MESSAGE2);
			   quit_proc();
			}
		}
		else {
			already_lost = 0;
			fprintf(stderr,"OK\n");
			return(NOTIFY_DONE);
		}
	}
		

	lm_message(ret,NOEXIT);
	quit_proc();
#endif
}

static void
lm_message(code,flag)
int code,flag;
{
#ifdef NO_LIC
	return;
#else
	fprintf(stderr,"xwaves: %s\n",elm_message(NULL,"xwaves",code));
	if (flag == EXIT) {
		fprintf(stderr,"Program exiting.\n");
		exit(1);
	}
	return;
#endif
}