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NetBSD/usr.sbin/apm/apm.c

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/* $NetBSD: apm.c,v 1.9 2001/02/19 23:22:41 cgd Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by John Kohl.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/un.h>
#include <machine/apmvar.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "pathnames.h"
#include "apm-proto.h"
#define FALSE 0
#define TRUE 1
void usage(void);
void zzusage(void);
int do_zzz(const char *pn, enum apm_action action);
int open_socket(const char *pn);
int send_command(int fd,
struct apm_command *cmd,
struct apm_reply *reply);
void
usage(void)
{
fprintf(stderr,"usage: %s [-v] [-z | -S] [-slmba] [-f socket]\n",
getprogname());
exit(1);
}
void
zzusage(void)
{
fprintf(stderr,"usage: %s [-z | -S] [-f socket]\n",
getprogname());
exit(1);
}
int
send_command(int fd,
struct apm_command *cmd,
struct apm_reply *reply)
{
/* send a command to the apm daemon */
cmd->vno = APMD_VNO;
if (send(fd, cmd, sizeof(*cmd), 0) == sizeof(*cmd)) {
if (recv(fd, reply, sizeof(*reply), 0) != sizeof(*reply)) {
warn("invalid reply from APM daemon\n");
return 1;
}
} else {
warn("invalid send to APM daemon");
return 1;
}
return 0;
}
int
do_zzz(const char *pn, enum apm_action action)
{
struct apm_command command;
struct apm_reply reply;
int fd;
switch (action) {
case NONE:
case SUSPEND:
command.action = SUSPEND;
break;
case STANDBY:
command.action = STANDBY;
break;
default:
zzusage();
}
fd = open_socket(pn);
if (fd == -1)
err(1, "cannot open connection to APM daemon");
printf("Suspending system...\n");
exit(send_command(fd, &command, &reply));
}
int
open_socket(const char *sockname)
{
int sock, errr;
struct sockaddr_un s_un;
sock = socket(AF_LOCAL, SOCK_STREAM, 0);
if (sock == -1)
err(1, "cannot create local socket");
s_un.sun_family = AF_LOCAL;
strncpy(s_un.sun_path, sockname, sizeof(s_un.sun_path));
s_un.sun_len = SUN_LEN(&s_un);
if (connect(sock, (struct sockaddr *)&s_un, s_un.sun_len) == -1) {
errr = errno;
close(sock);
errno = errr;
return -1;
}
return sock;
}
int
main(int argc, char *argv[])
{
char *sockname = _PATH_APM_SOCKET;
int ch;
int dostatus = FALSE;
int doac = FALSE;
int dopct = FALSE;
int domin = FALSE;
int dobstate = FALSE;
int nodaemon = FALSE;
int fd;
int rval;
int verbose = FALSE;
enum apm_action action = NONE;
struct apm_command command;
struct apm_reply reply;
while ((ch = getopt(argc, argv, "lmbvadsSzf:d")) != -1)
switch(ch) {
case 'v':
verbose = TRUE;
break;
case 'f':
sockname = optarg;
break;
case 'z':
if (action != NONE)
usage();
action = SUSPEND;
break;
case 'S':
if (action != NONE)
usage();
action = STANDBY;
break;
case 's':
if (action != NONE && action != GETSTATUS)
usage();
dostatus = TRUE;
action = GETSTATUS;
break;
case 'b':
if (action != NONE && action != GETSTATUS)
usage();
dobstate = TRUE;
action = GETSTATUS;
break;
case 'l':
if (action != NONE && action != GETSTATUS)
usage();
dopct = TRUE;
action = GETSTATUS;
break;
case 'm':
if (action != NONE && action != GETSTATUS)
usage();
domin = TRUE;
action = GETSTATUS;
break;
case 'a':
if (action != NONE && action != GETSTATUS)
usage();
doac = TRUE;
action = GETSTATUS;
break;
case 'd':
nodaemon = TRUE;
break;
case '?':
default:
usage();
}
if (!strcmp(getprogname(), "zzz")) {
exit(do_zzz(sockname, action));
}
if (nodaemon)
fd = -1;
else
fd = open_socket(sockname);
switch (action) {
case NONE:
verbose = doac = dopct = domin = dobstate = dostatus = TRUE;
action = GETSTATUS;
/* fallthrough */
case GETSTATUS:
if (fd == -1) {
/* open the device directly and get status */
fd = open(_PATH_APM_NORMAL, O_RDONLY);
if (fd == -1) {
err(1, "cannot contact APM daemon and cannot open " _PATH_APM_NORMAL);
}
if (ioctl(fd, APM_IOC_GETPOWER, &reply.batterystate) == 0)
goto printval;
}
case SUSPEND:
case STANDBY:
if (nodaemon && fd == -1) {
fd = open(_PATH_APM_CTLDEV, O_RDWR);
if (fd == -1)
err(1, "cannot open APM control device " _PATH_APM_CTLDEV);
sync();
sync();
sleep(1);
if (ioctl(fd, action == SUSPEND ?
APM_IOC_SUSPEND : APM_IOC_STANDBY, 0) == -1)
err(1, "cannot enter requested power state");
if (action == SUSPEND)
printf("System will enter suspend mode in a moment.\n");
else
printf("System will enter standby mode in a moment.\n");
exit(0);
} else if (fd == -1)
err(1, "cannot contact APM daemon at socket " _PATH_APM_SOCKET);
command.action = action;
break;
default:
usage();
}
if ((rval = send_command(fd, &command, &reply)) == 0) {
switch (action) {
case GETSTATUS:
printval:
if (verbose) {
if (dobstate)
printf("Battery charge state: %s\n",
battstate(reply.batterystate.battery_state));
if (dopct || domin) {
printf("Battery remaining: ");
if (dopct)
printf("%d percent",reply.batterystate.battery_life);
if (dopct && domin)
printf(" (");
if (domin)
printf("%d minutes",reply.batterystate.minutes_left);
if (dopct && domin)
printf(")");
printf("\n");
}
if (doac)
printf("A/C adapter state: %s\n", ac_state(reply.batterystate.ac_state));
if (dostatus)
printf("Power management enabled\n");
} else {
if (dobstate)
printf("%d\n", reply.batterystate.battery_state);
if (dopct)
printf("%d\n", reply.batterystate.battery_life);
if (domin)
printf("%d\n", reply.batterystate.minutes_left);
if (doac)
printf("%d\n", reply.batterystate.ac_state);
if (dostatus)
printf("1\n");
}
break;
default:
break;
}
switch (reply.newstate) {
case SUSPEND:
printf("System will enter suspend mode in a moment.\n");
break;
case STANDBY:
printf("System will enter standby mode in a moment.\n");
break;
default:
break;
}
} else
errx(rval, "cannot get reply from APM daemon\n");
exit(0);
}
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