439 lines
10 KiB
C
439 lines
10 KiB
C
/* Copyright (c) 2003 Thomas Runge (coto@core.de)
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* Mach and Darwin specific code is Copyright (c) 2006 Eric Pooch (epooch@tenon.com)
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*
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* All rights reserved.
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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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*
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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. Neither the name of the author nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* 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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#ifdef __APPLE__
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#include <sys/types.h>
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#include <sys/param.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/sysctl.h>
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#include <sys/dkstat.h>
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#include <sys/ucred.h>
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#include <sys/mount.h>
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#include <sys/time.h>
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#include <sys/user.h>
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#include <kvm.h>
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#include <errno.h>
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#include <mach/mach.h>
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#include "main.h"
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#include "machine.h"
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#include "config.h"
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#include "shared/LL.h"
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#include <CoreFoundation/CoreFoundation.h>
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#include <IOKit/ps/IOPowerSources.h>
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#include <IOKit/ps/IOPSKeys.h>
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//AUTOFRAMEWORK(CoreFoundation)
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//AUTOFRAMEWORK(IOKit)
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static int pageshift;
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#define pagetok(size) ((size) << pageshift)
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static int swapmode(int *rettotal, int *retfree);
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static mach_port_t lcdproc_port;
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int machine_init()
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{
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/* get the page size with "getpagesize" and calculate pageshift from it */
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int pagesize = 0;
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pageshift = 0;
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lcdproc_port = mach_host_self();
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host_page_size(lcdproc_port, &pagesize);
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while (pagesize > 1)
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{
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pageshift++;
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pagesize >>= 1;
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}
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/* we only need the amount of log(2)1024 for our conversion */
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pageshift -= 10;
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return(TRUE);
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}
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int machine_close()
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{
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return(TRUE);
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}
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int machine_get_battstat(int *acstat, int *battflag, int *percent)
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{
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CFTypeRef blob = IOPSCopyPowerSourcesInfo();
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CFArrayRef sources = IOPSCopyPowerSourcesList(blob);
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int i;
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CFDictionaryRef pSource = NULL;
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const void *psValue;
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*acstat = LCDP_AC_ON;
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*battflag = LCDP_BATT_ABSENT;
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*percent = 100;
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if (CFArrayGetCount(sources) == 0) return(FALSE);
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for (i = 0; i < CFArrayGetCount(sources); i++)
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{
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pSource = IOPSGetPowerSourceDescription(blob, CFArrayGetValueAtIndex(sources, i));
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if (!pSource) break;
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psValue = (CFStringRef)CFDictionaryGetValue(pSource, CFSTR(kIOPSNameKey));
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if (CFDictionaryGetValueIfPresent(pSource, CFSTR(kIOPSIsPresentKey), &psValue) && (CFBooleanGetValue(psValue) > 0))
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{
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psValue = (CFStringRef)CFDictionaryGetValue(pSource, CFSTR(kIOPSPowerSourceStateKey));
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if (CFStringCompare(psValue,CFSTR(kIOPSBatteryPowerValue),0)==kCFCompareEqualTo)
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{
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/* We are running on a battery power source. */
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*battflag = LCDP_BATT_UNKNOWN;
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*acstat = LCDP_AC_OFF;
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}
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else if (CFDictionaryGetValueIfPresent(pSource, CFSTR(kIOPSIsChargingKey), &psValue))
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{
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/* We are running on an AC power source,
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but we also have a battery power source present. */
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if (CFBooleanGetValue(psValue) > 0)
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*battflag = LCDP_BATT_CHARGING;
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else
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*battflag = LCDP_BATT_UNKNOWN;
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}
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if (*battflag != LCDP_BATT_ABSENT)
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{
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int curCapacity = 0;
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int maxCapacity = 0;
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psValue = CFDictionaryGetValue(pSource, CFSTR(kIOPSCurrentCapacityKey));
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CFNumberGetValue(psValue, kCFNumberSInt32Type, &curCapacity);
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psValue = CFDictionaryGetValue(pSource, CFSTR(kIOPSMaxCapacityKey));
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CFNumberGetValue(psValue, kCFNumberSInt32Type, &maxCapacity);
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*percent = (int)((double)curCapacity/(double)maxCapacity * 100);
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/* There is a way to check this through the IOKit,
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but I am not sure what gets for kIOPSLowWarnLevelKey and kIOPSDeadWarnLevelKey, and this is easier.
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*/
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if (*battflag == LCDP_BATT_UNKNOWN) {
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if (*percent > 50)
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*battflag = LCDP_BATT_HIGH;
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else if (*percent > 2)
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*battflag = LCDP_BATT_LOW;
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else
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*battflag = LCDP_BATT_CRITICAL;
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}
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/* printf ("powerSource %d of %d: percent: %d/%d %d\n", i, CFArrayGetCount(sources), curCapacity, maxCapacity, *percent);*/
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}
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}
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}
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CFRelease(blob);
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CFRelease(sources);
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return(TRUE);
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}
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int machine_get_fs(mounts_type fs[], int *cnt)
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{
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struct statfs *mntbuf;
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struct statfs *pp;
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int statcnt, fscnt, i;
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fscnt = getmntinfo(&mntbuf, MNT_WAIT);
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if (fscnt == 0)
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{
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perror("getmntinfo");
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return(FALSE);
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}
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for (statcnt = 0, pp = mntbuf, i = 0; i < fscnt; pp++, i++)
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{
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if ( strcmp(pp->f_fstypename, "procfs")
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&& strcmp(pp->f_fstypename, "kernfs")
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&& strcmp(pp->f_fstypename, "linprocfs")
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#ifndef STAT_NFS
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&& strcmp(pp->f_fstypename, "nfs")
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#endif
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#ifndef STAT_SMBFS
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&& strcmp(pp->f_fstypename, "smbfs")
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#endif
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)
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{
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snprintf(fs[statcnt].dev, 255, "%s", pp->f_mntfromname);
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snprintf(fs[statcnt].mpoint, 255, "%s", pp->f_mntonname);
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snprintf(fs[statcnt].type, 255, "%s", pp->f_fstypename);
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fs[statcnt].blocks = pp->f_blocks;
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if (fs[statcnt].blocks > 0)
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{
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fs[statcnt].bsize = pp->f_bsize;
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fs[statcnt].bfree = pp->f_bfree;
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fs[statcnt].files = pp->f_files;
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fs[statcnt].ffree = pp->f_ffree;
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}
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statcnt++;
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}
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}
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*cnt = statcnt;
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return(TRUE);
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}
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int machine_get_load(load_type *curr_load)
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{
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static load_type last_load = { 0, 0, 0, 0, 0 };
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static load_type last_ret_load;
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load_type load;
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host_cpu_load_info_data_t load_info;
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mach_msg_type_number_t info_count;
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info_count = HOST_CPU_LOAD_INFO_COUNT;
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if (host_statistics(lcdproc_port, HOST_CPU_LOAD_INFO, (host_info_t)&load_info, &info_count))
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{
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perror("host_statistics");
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return(FALSE);
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}
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load.user = (unsigned long) (load_info.cpu_ticks[CPU_STATE_USER]);
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load.nice = (unsigned long) (load_info.cpu_ticks[CPU_STATE_NICE]);
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load.system = (unsigned long) (load_info.cpu_ticks[CPU_STATE_SYSTEM]);
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load.idle = (unsigned long) (load_info.cpu_ticks[CPU_STATE_IDLE]);
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load.total = load.user + load.nice + load.system + load.idle;
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if (load.total != last_load.total)
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{
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curr_load->user = load.user - last_load.user;
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curr_load->nice = load.nice - last_load.nice;
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curr_load->system = load.system - last_load.system;
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curr_load->idle = load.idle - last_load.idle;
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curr_load->total = load.total - last_load.total;
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last_ret_load = *curr_load;
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last_load = load;
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}
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else
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{
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*curr_load = last_ret_load;
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}
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return TRUE;
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}
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int machine_get_loadavg(double *load)
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{
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double loadavg[1];
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if (getloadavg(loadavg, 1) == -1)
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return(FALSE);
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*load = loadavg[0];
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return(TRUE);
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}
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int machine_get_meminfo(meminfo_type *result)
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{
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int total_pages, free_pages;
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vm_statistics_data_t vm_info;
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mach_msg_type_number_t info_count;
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info_count = HOST_VM_INFO_COUNT;
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if (host_statistics(lcdproc_port, HOST_VM_INFO, (host_info_t)&vm_info, &info_count))
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{
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perror("host_statistics");
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return(FALSE);
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}
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result[0].total = pagetok(vm_info.active_count + vm_info.inactive_count +
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vm_info.free_count + vm_info.wire_count);
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result[0].free = pagetok(vm_info.free_count);
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result[0].buffers = 0;
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result[0].cache = 0;
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result[0].shared = 0;
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/* swap */
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result[1].total = 0;
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result[1].free = 0;
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if (swapmode(&total_pages, &free_pages) != -1)
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{
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result[1].total = total_pages;
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result[1].free = free_pages;
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}
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return(TRUE);
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}
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int machine_get_procs(LinkedList *procs)
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{
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#warning machine_get_procs not implemented
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return(FALSE);
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/* FIX ME */
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/* This needs to be finished. */
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procinfo_type *p;
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processor_set_t *psets, pset;
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task_t *tasks;
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unsigned int nproc, i;
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if (host_processor_sets(lcdproc_port, &psets, &nproc))
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{
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perror("host_processor_sets");
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return(FALSE);
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}
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for (i = 0; i < nproc; i++)
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{
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if (host_processor_set_priv(lcdproc_port, psets[i], &pset))
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{
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perror("host_processor_set_priv");
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return(FALSE);
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}
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p = malloc(sizeof(procinfo_type));
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if (!p)
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{
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perror("mem_top_malloc");
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return(FALSE);
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}
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}
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return(TRUE);
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}
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int machine_get_smpload(load_type *result, int *numcpus)
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{
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int i, num;
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size_t size;
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load_type curr_load;
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size = sizeof(int);
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if (sysctlbyname("hw.ncpu", &num, &size, NULL, 0) < 0)
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{
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perror("sysctl hw.ncpu");
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return(FALSE);
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}
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if (machine_get_load(&curr_load) == FALSE)
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return(FALSE);
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*numcpus = num;
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num = num > 8 ? 8 : num;
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/* Don't know how to get per-cpu-load values */
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for (i = 0; i < num; i++)
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{
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result[i] = curr_load;
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}
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return(TRUE);
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}
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int machine_get_uptime(double *up, double *idle)
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{
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size_t size;
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time_t now;
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struct timeval boottime;
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load_type curr_load;
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int mib[2];
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mib[0] = CTL_KERN;
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mib[1] = KERN_BOOTTIME;
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size = sizeof(boottime);
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time(&now);
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if (sysctl(mib, 2, &boottime, &size, NULL, 0) != -1 &&
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boottime.tv_sec != 0)
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*up = (double)(now - boottime.tv_sec);
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if (machine_get_load(&curr_load) == FALSE)
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*idle = 100.;
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else
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*idle = 100.*curr_load.idle/curr_load.total;
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return(TRUE);
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}
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static int swapmode(int *rettotal, int *retfree)
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{
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#ifdef VM_SWAPUSAGE
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size_t size;
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struct xsw_usage xsu;
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int mib[2];
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mib[0] = CTL_VM;
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mib[1] = VM_SWAPUSAGE;
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size = sizeof(xsu);
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*rettotal = 0;
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*retfree = 0;
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if (sysctl(mib, 2, &xsu, &size, NULL, 0) != 0)
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{
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perror("sysctl");
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return(FALSE);
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}
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*rettotal = (xsu.xsu_total/1024);
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*retfree = ((xsu.xsu_total-xsu.xsu_used)/1024);
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return(TRUE);
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#endif
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*rettotal = 0;
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*retfree = 0;
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return(FALSE);
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}
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/* Get network statistics */
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int machine_get_iface_stats (IfaceInfo *interface)
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{
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/* Implementation missing */
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return 0;
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}
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#endif /* __APPLE__ */
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