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/********************************************************************
File: common.c
Purpose: Utility functions for upsd.
Copyright 1996, Bob Hauck
Copyright 1998, Michael Robinton
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.
Language: GCC 2.7.0
Author: Bob Hauck
Modified: Michael Robinton
Revision 1.3 1997/05/13 18:09:00 miker
Add text for -r -w options
Add logic to turn logging completely off
Move Version number into Makefile
Rename Status to NetStatus to reflect usage.
Revision 1.2 1997/01/20 22:35:48 bobh
Move PWRSTAT file spec into makefile.
Revision 1.1 1996/11/23 16:45:12 bobh
Initial revision
**********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include "common.h"
static char *Version = VERSION;
char *ProgName; /* Program name */
int NetStatus; /* Network Status (S_* codes) */
int IsDaemon; /* -1 = quiet - not a daemon - no messages,
* 0 = not daemon, 1 daemon
* 2 = daemon with log file open. */
/*-------------------------------------------------------------------*
LogError
Log error messages to stderr or to syslog, depending on whether
we are running as a daemon.
Parameters: Module - Module that is reporting the error.
Error - Error message
Returns: Nothing.
*-------------------------------------------------------------------*/
void LogError (const char *Module, const char *Error)
{
char *MBuf = alloca (strlen (Module) + 1);
char *EBuf = alloca (strlen (Error) + 1);
strcpy (MBuf, Module);
strcpy (EBuf, Error);
if (IsDaemon > 0)
{
if (IsDaemon == 1)
{
openlog (ProgName, LOG_CONS, LOG_DAEMON);
++IsDaemon;
}
syslog (LOG_WARNING, "%s: %s", MBuf, EBuf);
}
if (!(IsDaemon))
{
printf ("%s: %s: %s\n", ProgName, MBuf, EBuf);
}
}
/*-------------------------------------------------------------------*
Usage
Print help & usage information.
Parameters: None
Returns: Nothing.
*-------------------------------------------------------------------*/
void Usage (void)
{
printf ("Usage:\n");
printf (" %s [options] device | host\n", ProgName);
printf ("Options:\n");
printf (" -c count Delay 'count' polls before shutdown (default 2).\n");
printf (" -d mode Perform 'dummy' UPS event simulation.\n");
printf (" Mode= master: Serve the net with UPS 'status' from\n");
printf (" /tmp/upsds, all options except 'port' are ignored.\n");
printf (" Mode= local: Behave normally except UPS 'status' is\n");
printf (" taken from file /tmp/upsds instead of UPS or net,\n");
printf (" all other options are in force.\n");
printf (" -e Enhanced mode, support 'init' powerfailnow.\n");
printf (" -h Print this help.\n");
printf (" -i time Set poll interval to 'time' seconds (default 10).\n");
printf (" -k Kill power now.\n");
printf (" -l Don't shut down until low battery.\n");
printf (" -m Disable master mode.\n");
printf (" -p port Use 'port' for remote status (default 401).\n");
printf (" -r Recall powerfail status from /etc/upstatus.\n");
printf (" -s Slave to host instead of device.\n");
printf (" -t Test mode, don't become daemon.\n");
printf (" -w time Wait quietly, no messages, don't daemonize, check\n");
printf (" every 'time' seconds, return at power recovery.\n");
printf ("\n");
printf ("Version ID = %s\n", Version);
}
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