342 lines
8.0 KiB
C
342 lines
8.0 KiB
C
/* $NetBSD: apm.c,v 1.15 2004/03/31 12:00:57 tron Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by John Kohl.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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#include <sys/un.h>
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#include <machine/apmvar.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "pathnames.h"
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#include "apm-proto.h"
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#define FALSE 0
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#define TRUE 1
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void usage(void);
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void zzusage(void);
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int do_zzz(const char *, enum apm_action);
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int open_socket(const char *);
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int send_command(int, struct apm_command *, struct apm_reply *);
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void
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usage(void)
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{
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fprintf(stderr,"usage: %s [-v] [-z | -S] [-slmba] [-f socket]\n",
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getprogname());
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exit(1);
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}
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void
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zzusage(void)
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{
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fprintf(stderr,"usage: %s [-z | -S] [-f socket]\n",
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getprogname());
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exit(1);
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}
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int
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send_command(int fd,
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struct apm_command *cmd,
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struct apm_reply *reply)
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{
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/* send a command to the apm daemon */
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cmd->vno = APMD_VNO;
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if (send(fd, cmd, sizeof(*cmd), 0) == sizeof(*cmd)) {
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if (recv(fd, reply, sizeof(*reply), 0) != sizeof(*reply)) {
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warn("invalid reply from APM daemon");
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return (1);
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}
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} else {
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warn("invalid send to APM daemon");
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return (1);
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}
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return (0);
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}
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int
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do_zzz(const char *pn, enum apm_action action)
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{
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struct apm_command command;
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struct apm_reply reply;
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int fd;
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switch (action) {
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case NONE:
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case SUSPEND:
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command.action = SUSPEND;
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break;
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case STANDBY:
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command.action = STANDBY;
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break;
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default:
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zzusage();
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}
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fd = open_socket(pn);
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if (fd == -1)
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err(1, "cannot open connection to APM daemon");
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printf("Suspending system...\n");
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exit(send_command(fd, &command, &reply));
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}
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int
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open_socket(const char *sockname)
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{
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struct sockaddr_un s_un;
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int sock, errr;
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sock = socket(AF_LOCAL, SOCK_STREAM, 0);
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if (sock == -1)
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err(1, "cannot create local socket");
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s_un.sun_family = AF_LOCAL;
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strncpy(s_un.sun_path, sockname, sizeof(s_un.sun_path));
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s_un.sun_len = SUN_LEN(&s_un);
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if (connect(sock, (struct sockaddr *)&s_un, s_un.sun_len) == -1) {
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errr = errno;
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close(sock);
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errno = errr;
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return (-1);
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}
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return (sock);
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}
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int
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main(int argc, char *argv[])
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{
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struct apm_command command;
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struct apm_reply reply;
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struct apm_power_info *api = &reply.batterystate;
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char *sockname = _PATH_APM_SOCKET;
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enum apm_action action = NONE;
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int ch, doac, dobstate, domin, dopct, dostatus, fd, nodaemon,
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rval, verbose;
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doac = dobstate = domin = dopct = dostatus = nodaemon =
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verbose = FALSE;
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while ((ch = getopt(argc, argv, "lmbvadsSzf:")) != -1)
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switch (ch) {
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case 'v':
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verbose = TRUE;
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break;
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case 'f':
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sockname = optarg;
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break;
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case 'z':
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if (action != NONE)
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usage();
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action = SUSPEND;
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break;
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case 'S':
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if (action != NONE)
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usage();
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action = STANDBY;
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break;
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case 's':
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if (action != NONE && action != GETSTATUS)
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usage();
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dostatus = TRUE;
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action = GETSTATUS;
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break;
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case 'b':
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if (action != NONE && action != GETSTATUS)
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usage();
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dobstate = TRUE;
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action = GETSTATUS;
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break;
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case 'l':
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if (action != NONE && action != GETSTATUS)
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usage();
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dopct = TRUE;
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action = GETSTATUS;
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break;
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case 'm':
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if (action != NONE && action != GETSTATUS)
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usage();
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domin = TRUE;
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action = GETSTATUS;
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break;
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case 'a':
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if (action != NONE && action != GETSTATUS)
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usage();
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doac = TRUE;
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action = GETSTATUS;
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break;
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case 'd':
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nodaemon = TRUE;
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break;
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case '?':
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default:
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usage();
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}
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if (strcmp(getprogname(), "zzz") == 0)
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exit(do_zzz(sockname, action));
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if (nodaemon)
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fd = -1;
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else
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fd = open_socket(sockname);
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switch (action) {
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case NONE:
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verbose = doac = dopct = domin = dobstate = dostatus = TRUE;
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action = GETSTATUS;
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/* FALLTHROUGH */
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case GETSTATUS:
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if (fd == -1) {
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/* open the device directly and get status */
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fd = open(_PATH_APM_NORMAL, O_RDONLY);
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if (fd == -1) {
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err(1, "cannot contact APM daemon and "
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"cannot open "
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_PATH_APM_NORMAL);
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}
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memset(&reply, 0, sizeof(reply));
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if (ioctl(fd, APM_IOC_GETPOWER,
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&reply.batterystate) == -1)
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err(1, "ioctl(APM_IOC_GETPOWER)");
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goto printval;
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}
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/* FALLTHROUGH */
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case SUSPEND:
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case STANDBY:
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if (nodaemon && fd == -1) {
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fd = open(_PATH_APM_CTLDEV, O_RDWR);
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if (fd == -1)
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err(1, "cannot open APM control device "
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_PATH_APM_CTLDEV);
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sync();
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sync();
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sleep(1);
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if (ioctl(fd, action == SUSPEND ?
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APM_IOC_SUSPEND : APM_IOC_STANDBY, 0) == -1)
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err(1, "cannot enter requested power state");
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printf("System will enter %s in a moment.\n",
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action == SUSPEND ? "suspend mode" :
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"standby mode");
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exit(0);
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} else if (fd == -1)
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err(1, "cannot contact APM daemon at socket "
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_PATH_APM_SOCKET);
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command.action = action;
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break;
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default:
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usage();
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}
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if ((rval = send_command(fd, &command, &reply)) == 0) {
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switch (action) {
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case GETSTATUS:
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printval:
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if (verbose) {
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if (dobstate)
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printf("Battery charge state: %s\n",
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battstate(api->battery_state));
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if (dopct || domin) {
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printf("Battery remaining: ");
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if (dopct)
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printf("%d percent",
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api->battery_life);
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if (dopct && domin)
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printf(" (");
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if (domin)
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printf("%d minutes",
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api->minutes_left);
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if (dopct && domin)
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printf(")");
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printf("\n");
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}
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if (doac)
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printf("A/C adapter state: %s\n",
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ac_state(api->ac_state));
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if (dostatus)
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printf("Power management enabled\n");
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if (api->nbattery) {
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printf("Number of batteries: %u\n",
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api->nbattery);
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}
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} else {
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if (dobstate)
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printf("%d\n", api->battery_state);
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if (dopct)
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printf("%d\n", api->battery_life);
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if (domin)
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printf("%d\n", api->minutes_left);
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if (doac)
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printf("%d\n", api->ac_state);
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if (dostatus)
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printf("1\n");
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}
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break;
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default:
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break;
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}
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switch (reply.newstate) {
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case SUSPEND:
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printf("System will enter suspend mode "
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"in a moment.\n");
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break;
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case STANDBY:
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printf("System will enter standby mode "
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"in a moment.\n");
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break;
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default:
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break;
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}
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} else
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errx(rval, "cannot get reply from APM daemon");
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exit(0);
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}
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