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/*
htop - freebsd/Platform.c
(C) 2014 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "config.h"
#include "Platform.h"
#include "Meter.h"
#include "CPUMeter.h"
#include "MemoryMeter.h"
#include "SwapMeter.h"
#include "TasksMeter.h"
#include "LoadAverageMeter.h"
#include "UptimeMeter.h"
#include "ClockMeter.h"
#include "HostnameMeter.h"
#include "FreeBSDProcess.h"
#include "FreeBSDProcessList.h"
#include <sys/param.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <vm/vm_param.h>
#include <signal.h>
#if !defined KERN_PROC_ENV && defined HAVE_LIBKVM
#include <fcntl.h>
#include <kvm.h>
#include <limits.h>
#endif
#include <string.h>
#include <time.h>
#include <math.h>
/*{
#include "bsd/Platform.h"
#include "Action.h"
#include "BatteryMeter.h"
#include "SignalsPanel.h"
extern ProcessFieldData Process_fields[];
}*/
#ifndef CLAMP
#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))
#endif
ProcessField Platform_defaultFields[] = { HTOP_PID_FIELD, HTOP_EFFECTIVE_USER_FIELD, HTOP_PRIORITY_FIELD, HTOP_NICE_FIELD, HTOP_M_SIZE_FIELD, HTOP_M_RESIDENT_FIELD, HTOP_STATE_FIELD, HTOP_PERCENT_CPU_FIELD, HTOP_PERCENT_MEM_FIELD, HTOP_TIME_FIELD, HTOP_COMM_FIELD, 0 };
int Platform_numberOfFields = HTOP_LAST_PROCESSFIELD;
const SignalItem Platform_signals[] = {
{ .name = "Cancel", .number = 0 },
#define SIG(NAME) { .name = #NAME, .number = SIG##NAME }
SIG(HUP),
SIG(INT),
SIG(QUIT),
SIG(ILL),
SIG(TRAP),
SIG(ABRT),
SIG(EMT),
SIG(FPE),
SIG(KILL),
SIG(BUS),
SIG(SEGV),
SIG(SYS),
SIG(PIPE),
SIG(ALRM),
SIG(TERM),
SIG(URG),
SIG(STOP),
SIG(TSTP),
SIG(CONT),
SIG(CHLD),
SIG(TTIN),
SIG(TTOU),
SIG(IO),
SIG(XCPU),
SIG(XFSZ),
SIG(VTALRM),
SIG(PROF),
SIG(WINCH),
SIG(INFO),
SIG(USR1),
SIG(USR2),
#ifdef SIGTHR
SIG(THR),
#endif
#ifdef SIGLIBRT
SIG(LIBRT),
#endif
#undef SIG
};
const unsigned int Platform_numberOfSignals = sizeof(Platform_signals)/sizeof(SignalItem);
void Platform_setBindings(Htop_Action* keys) {
(void) keys;
}
MeterClass* Platform_meterTypes[] = {
&CPUMeter_class,
&ClockMeter_class,
&LoadAverageMeter_class,
&LoadMeter_class,
&MemoryMeter_class,
&SwapMeter_class,
&TasksMeter_class,
&UptimeMeter_class,
&BatteryMeter_class,
&HostnameMeter_class,
&AllCPUsMeter_class,
&AllCPUs2Meter_class,
&LeftCPUsMeter_class,
&RightCPUsMeter_class,
&LeftCPUs2Meter_class,
&RightCPUs2Meter_class,
&BlankMeter_class,
NULL
};
void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
struct loadavg loadAverage;
int mib[2] = { CTL_VM, VM_LOADAVG };
size_t size = sizeof(loadAverage);
int err = sysctl(mib, 2, &loadAverage, &size, NULL, 0);
if (err) {
*one = 0;
*five = 0;
*fifteen = 0;
return;
}
*one = (double) loadAverage.ldavg[0] / loadAverage.fscale;
*five = (double) loadAverage.ldavg[1] / loadAverage.fscale;
*fifteen = (double) loadAverage.ldavg[2] / loadAverage.fscale;
}
int Platform_getMaxPid() {
int maxPid;
size_t size = sizeof(maxPid);
if(sysctlbyname("kern.pid_max", &maxPid, &size, NULL, 0) < 0) {
#ifdef PID_MAX
return PID_MAX;
#else
return 99999;
#endif
}
return maxPid;
}
double Platform_setCPUValues(Meter* this, int cpu) {
FreeBSDProcessList* fpl = (FreeBSDProcessList*) this->pl;
int cpus = this->pl->cpuCount;
CPUData* cpuData;
if (cpus == 1) {
// single CPU box has everything in fpl->cpus[0]
cpuData = &(fpl->cpus[0]);
} else {
cpuData = &(fpl->cpus[cpu]);
}
double percent;
double* v = this->values;
v[CPU_METER_NICE] = cpuData->nicePercent;
v[CPU_METER_NORMAL] = cpuData->userPercent;
if (this->pl->settings->detailedCPUTime) {
v[CPU_METER_KERNEL] = cpuData->systemPercent;
v[CPU_METER_IRQ] = cpuData->irqPercent;
Meter_setItems(this, 4);
percent = v[0]+v[1]+v[2]+v[3];
} else {
v[2] = cpuData->systemAllPercent;
Meter_setItems(this, 3);
percent = v[0]+v[1]+v[2];
}
percent = CLAMP(percent, 0.0, 100.0);
if (isnan(percent)) percent = 0.0;
return percent;
}
void Platform_setMemoryValues(Meter *meter) {
ProcessList *pl = meter->pl;
meter->total = pl->totalMem;
meter->values[0] = pl->usedMem;
meter->values[1] = pl->buffersMem;
meter->values[2] = pl->cachedMem;
}
void Platform_setSwapValues(Meter *meter) {
ProcessList *pl = meter->pl;
meter->total = pl->totalSwap;
meter->values[0] = pl->usedSwap;
}
#if defined KERN_PROC_ARGS || defined KERN_PROC_ENV
static char **get_process_vector_from_sysctl(const Process *proc, int v_type) {
static int arg_max;
int mib[4] = { CTL_KERN };
size_t len;
if(!arg_max) {
mib[1] = KERN_ARGMAX;
len = sizeof arg_max;
if(sysctl(mib, 2, &arg_max, &len, NULL, 0) < 0) arg_max = ARG_MAX;
}
mib[1] = KERN_PROC;
mib[2] = v_type;
mib[3] = proc->pid;
char *buffer = xMalloc(arg_max);
len = arg_max;
if(sysctl(mib, 4, buffer, &len, NULL, 0) < 0) {
free(buffer);
return NULL;
}
char *p = buffer;
char *end_p = p + len;
char **v = xMalloc(sizeof(char *));
unsigned int i = 0;
while(p < end_p && *p) {
len = strlen(p) + 1;
v[i] = xMalloc(len);
memcpy(v[i], p, len);
v = xRealloc(v, (++i + 1) * sizeof(char *));
p += len;
}
free(buffer);
v[i] = NULL;
return v;
}
#endif
#if (!defined KERN_PROC_ARGS || !defined KERN_PROC_ENV) && defined HAVE_LIBKVM
static char **get_process_vector_from_kvm(const Process *proc, char **(*getv)(kvm_t *, const struct kinfo_proc *, int)) {
char **v = xMalloc(2 * sizeof(char *));
v[1] = NULL;
char errmsg[_POSIX2_LINE_MAX];
kvm_t *kvm = kvm_openfiles(NULL, "/dev/null", NULL, 0, errmsg);
if(!kvm) {
v[0] = xStrdup(errmsg);
return v;
}
int count;
struct kinfo_proc *kip = kvm_getprocs(kvm, KERN_PROC_PID, proc->pid, &count);
if(!kip || count < 1) {
const char *e = kip ? NULL : kvm_geterr(kvm);
if(e && *e) {
v[0] = xStrdup(e);
} else {
free(v);
v = NULL;
}
kvm_close(kvm);
return v;
}
char **tmp_v = getv(kvm, kip, 0);
if(!tmp_v) {
const char *e = kvm_geterr(kvm);
if(*e) {
v[0] = xStrdup(e);
} else {
free(v);
v = NULL;
}
kvm_close(kvm);
return v;
}
free(v);
count = 0;
while(tmp_v[count]) count++;
v = xMalloc((count + 1) * sizeof(char *));
v[count] = NULL;
while(count-- > 0) v[count] = xStrdup(tmp_v[count]);
kvm_close(kvm);
return v;
}
#endif
char **Platform_getProcessArgv(const Process *proc) {
#ifdef KERN_PROC_ARGS
return get_process_vector_from_sysctl(proc, KERN_PROC_ARGS);
#elif defined HAVE_LIBKVM
return get_process_vector_from_kvm(proc, kvm_getargv);
#else
return NULL;
#endif
}
char **Platform_getProcessEnvv(const Process *proc) {
#ifdef KERN_PROC_ENV
return get_process_vector_from_sysctl(proc, KERN_PROC_ENV);
#elif defined HAVE_LIBKVM
return get_process_vector_from_kvm(proc, kvm_getenvv);
#else
return NULL;
#endif
}
bool Platform_haveSwap() {
int nswapdev;
size_t len = sizeof nswapdev;
if(sysctlbyname("vm.nswapdev", &nswapdev, &len, NULL, 0) < 0) return false;
return nswapdev > 0;
}