htop/linux/Platform.c

124 lines
3.1 KiB
C

/*
htop - linux/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 "Platform.h"
#include "IOPriority.h"
#include "IOPriorityPanel.h"
#include "LinuxProcess.h"
#include "Battery.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 <math.h>
#include <assert.h>
/*{
#include "Action.h"
#include "BatteryMeter.h"
#include "LinuxProcess.h"
}*/
static Htop_Reaction Platform_actionSetIOPriority(Panel* panel, ProcessList* pl, Header* header) {
(void) panel, (void) pl;
LinuxProcess* p = (LinuxProcess*) Panel_getSelected(panel);
if (!p) return HTOP_OK;
IOPriority ioprio = p->ioPriority;
Panel* ioprioPanel = IOPriorityPanel_new(ioprio);
const char* fuFunctions[] = {"Set ", "Cancel ", NULL};
void* set = Action_pickFromVector(panel, ioprioPanel, 21, fuFunctions, header);
if (set) {
IOPriority ioprio = IOPriorityPanel_getIOPriority(ioprioPanel);
bool ok = Action_foreachProcess(panel, (Action_ForeachProcessFn) LinuxProcess_setIOPriority, (size_t) ioprio, NULL);
if (!ok)
beep();
}
Panel_delete((Object*)ioprioPanel);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
void Platform_setBindings(Htop_Action* keys) {
keys['i'] = Platform_actionSetIOPriority;
}
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
};
int Platform_getUptime() {
double uptime = 0;
FILE* fd = fopen(PROCDIR "/uptime", "r");
if (fd) {
fscanf(fd, "%64lf", &uptime);
fclose(fd);
}
return (int) floor(uptime);
}
void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
int activeProcs, totalProcs, lastProc;
*one = 0; *five = 0; *fifteen = 0;
FILE *fd = fopen(PROCDIR "/loadavg", "r");
if (fd) {
int total = fscanf(fd, "%32lf %32lf %32lf %32d/%32d %32d", one, five, fifteen,
&activeProcs, &totalProcs, &lastProc);
(void) total;
assert(total == 6);
fclose(fd);
}
}
int Platform_getMaxPid() {
FILE* file = fopen(PROCDIR "/sys/kernel/pid_max", "r");
if (!file) return -1;
int maxPid = 4194303;
fscanf(file, "%32d", &maxPid);
fclose(file);
return maxPid;
}
void Platform_getBatteryLevel(double* level, ACPresence* isOnAC) {
double percent = Battery_getProcBatData();
if (percent == 0) {
percent = Battery_getSysBatData();
if (percent == 0) {
*level = -1;
*isOnAC = AC_ERROR;
return;
}
}
*isOnAC = Battery_isOnAC();
*level = percent;
}