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/*
digitools.c - A user-space program to handle the ASUS DigiMatrix
special capabilities.
Copyright (c) 2006 Andrew Calkin <calkina@geexbox.org> and
Ben Potter <linux@bpuk.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
#include "digitools.h"
#include "digipanel.h"
#include "digifan.h"
#include "digiwake.h"
#include "oz263.h"
#include "ozedit.h"
LED led = LED_NONE;
PP pp = PP_NONE;
DOTS dots = DOTS_NONE;
char digits[7];
int file=0;
char *prog;
void daemon_init(void)
{
pid_t pid_number;
extern char *prog;
char prog_full_name[20];
char * prog_name=prog_full_name;
strncpy(prog_full_name,prog,sizeof(prog_full_name));
while (strstr(prog_name,"/"))
prog_name=strstr(prog_name,"/")+1;
char pid_file_name[20]="/tmp/";
strcat(strcat(pid_file_name,prog_name),".pid");
FILE * fpid;
pid_number=fork();
if (pid_number < 0)
{
#ifndef SILENT
fprintf(stderr,"Error: Could not fork() daemon!\n");
#endif
exit(1);
}
else if (pid_number > 0)
{ /* parent */
fpid=fopen(pid_file_name,"w");
if (fpid == NULL)
{
#ifndef SILENT
fprintf(stderr,"Error:Could not open %s for "
"writing!\n",pid_file_name);
#endif
exit(1);
}
fprintf(fpid,"%d",pid_number);
fclose(fpid);
exit(0);
}
}
void daemon_kill(void)
{
extern char *prog;
FILE * fproc;
char procfile_name[20]="/proc/";
char proc_contents[20];
char prog_full_name[20];
char * prog_name=prog_full_name;
strncpy(prog_full_name,prog,sizeof(prog_full_name));
while (strstr(prog_name,"/"))
prog_name=strstr(prog_name,"/")+1;
char pid_file_name[20]="/tmp/";
strcat(strcat(pid_file_name,prog_name),".pid");
FILE * fpid;
char pid_read[20];
fpid=fopen(pid_file_name,"r");
if (fpid)
{
fgets(pid_read,20,fpid);
fclose(fpid);
strcat(strcat(procfile_name,pid_read),"/stat");
fproc=fopen(procfile_name,"r");
if (fproc)
{
fgets(proc_contents,sizeof(proc_contents),fproc);
fclose(fproc);
if (strstr(proc_contents, prog_name)!=NULL)
kill(atoi(pid_read),SIGTERM);
remove(pid_file_name);
}
}
}
int main (int argc, char **argv)
{
prog=argv[0];
if (strstr (argv[0], "digiradio"))
return digiradio_main(argc, argv);
if (strstr (argv[0], "setradio"))
return digiradio_main(argc, argv);
else if (strstr (argv[0], "digipanel"))
return digipanel_main(argc, argv);
else if (strstr (argv[0], "setpanel"))
return digipanel_main(argc, argv);
else if (strstr (argv[0], "digifan"))
return digifan_main(argc, argv);
else if (strstr (argv[0], "asusfan"))
return digifan_main(argc, argv);
else if (strstr (argv[0], "digiwake"))
return digiwake_main(argc, argv);
else if (strstr (argv[0], "ozedit"))
return ozedit_main(argc, argv);
else
{
#ifndef SILENT
fprintf(stderr,"Unknown program name!\n");
#endif
return -1;
}
}
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