Imported Upstream version 2.0.0upstream/2.0.0

1 files changed, 239 insertions, 0 deletions

diff --git a/linux/Platform.c b/linux/Platform.c
new file mode 100644
index 0000000..04360ca
--- /dev/null
+++ b/linux/Platform.c
@@ -0,0 +1,239 @@
+/*
+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 "LinuxProcessList.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 "LinuxProcess.h"
+
+#include <math.h>
+#include <assert.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/*{
+#include "Action.h"
+#include "MainPanel.h"
+#include "BatteryMeter.h"
+#include "LinuxProcess.h"
+#include "SignalsPanel.h"
+}*/
+
+#ifndef CLAMP
+#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))
+#endif
+
+ProcessField Platform_defaultFields[] = { PID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, M_SHARE, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };
+
+//static ProcessField defaultIoFields[] = { PID, IO_PRIORITY, USER, IO_READ_RATE, IO_WRITE_RATE, IO_RATE, COMM, 0 };
+
+int Platform_numberOfFields = LAST_PROCESSFIELD;
+
+SignalItem Platform_signals[] = {
+   { .name = " 0 Cancel",    .number = 0 },
+   { .name = " 1 SIGHUP",    .number = 1 },
+   { .name = " 2 SIGINT",    .number = 2 },
+   { .name = " 3 SIGQUIT",   .number = 3 },
+   { .name = " 4 SIGILL",    .number = 4 },
+   { .name = " 5 SIGTRAP",   .number = 5 },
+   { .name = " 6 SIGABRT",   .number = 6 },
+   { .name = " 6 SIGIOT",    .number = 6 },
+   { .name = " 7 SIGBUS",    .number = 7 },
+   { .name = " 8 SIGFPE",    .number = 8 },
+   { .name = " 9 SIGKILL",   .number = 9 },
+   { .name = "10 SIGUSR1",   .number = 10 },
+   { .name = "11 SIGSEGV",   .number = 11 },
+   { .name = "12 SIGUSR2",   .number = 12 },
+   { .name = "13 SIGPIPE",   .number = 13 },
+   { .name = "14 SIGALRM",   .number = 14 },
+   { .name = "15 SIGTERM",   .number = 15 },
+   { .name = "16 SIGSTKFLT", .number = 16 },
+   { .name = "17 SIGCHLD",   .number = 17 },
+   { .name = "18 SIGCONT",   .number = 18 },
+   { .name = "19 SIGSTOP",   .number = 19 },
+   { .name = "20 SIGTSTP",   .number = 20 },
+   { .name = "21 SIGTTIN",   .number = 21 },
+   { .name = "22 SIGTTOU",   .number = 22 },
+   { .name = "23 SIGURG",    .number = 23 },
+   { .name = "24 SIGXCPU",   .number = 24 },
+   { .name = "25 SIGXFSZ",   .number = 25 },
+   { .name = "26 SIGVTALRM", .number = 26 },
+   { .name = "27 SIGPROF",   .number = 27 },
+   { .name = "28 SIGWINCH",  .number = 28 },
+   { .name = "29 SIGIO",     .number = 29 },
+   { .name = "29 SIGPOLL",   .number = 29 },
+   { .name = "30 SIGPWR",    .number = 30 },
+   { .name = "31 SIGSYS",    .number = 31 },
+};
+
+unsigned int Platform_numberOfSignals = sizeof(Platform_signals)/sizeof(SignalItem);
+
+static Htop_Reaction Platform_actionSetIOPriority(State* st) {
+   Panel* panel = st->panel;
+
+   LinuxProcess* p = (LinuxProcess*) Panel_getSelected(panel);
+   if (!p) return HTOP_OK;
+   IOPriority ioprio = p->ioPriority;
+   Panel* ioprioPanel = IOPriorityPanel_new(ioprio);
+   void* set = Action_pickFromVector(st, ioprioPanel, 21);
+   if (set) {
+      IOPriority ioprio = IOPriorityPanel_getIOPriority(ioprioPanel);
+      bool ok = MainPanel_foreachProcess((MainPanel*)panel, (MainPanel_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) {
+      int n = fscanf(fd, "%64lf", &uptime);
+      fclose(fd);
+      if (n <= 0) return 0;
+   }
+   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;
+   int match = fscanf(file, "%32d", &maxPid);
+   (void) match;
+   fclose(file);
+   return maxPid;
+}
+
+double Platform_setCPUValues(Meter* this, int cpu) {
+   LinuxProcessList* pl = (LinuxProcessList*) this->pl;
+   CPUData* cpuData = &(pl->cpus[cpu]);
+   double total = (double) ( cpuData->totalPeriod == 0 ? 1 : cpuData->totalPeriod);
+   double percent;
+   double* v = this->values;
+   v[CPU_METER_NICE] = cpuData->nicePeriod / total * 100.0;
+   v[CPU_METER_NORMAL] = cpuData->userPeriod / total * 100.0;
+   if (this->pl->settings->detailedCPUTime) {
+      v[CPU_METER_KERNEL]  = cpuData->systemPeriod / total * 100.0;
+      v[CPU_METER_IRQ]     = cpuData->irqPeriod / total * 100.0;
+      v[CPU_METER_SOFTIRQ] = cpuData->softIrqPeriod / total * 100.0;
+      v[CPU_METER_STEAL]   = cpuData->stealPeriod / total * 100.0;
+      v[CPU_METER_GUEST]   = cpuData->guestPeriod / total * 100.0;
+      v[CPU_METER_IOWAIT]  = cpuData->ioWaitPeriod / total * 100.0;
+      Meter_setItems(this, 8);
+      if (this->pl->settings->accountGuestInCPUMeter) {
+         percent = v[0]+v[1]+v[2]+v[3]+v[4]+v[5]+v[6];
+      } else {
+         percent = v[0]+v[1]+v[2]+v[3]+v[4];
+      }
+   } else {
+      v[2] = cpuData->systemAllPeriod / total * 100.0;
+      v[3] = (cpuData->stealPeriod + cpuData->guestPeriod) / total * 100.0;
+      Meter_setItems(this, 4);
+      percent = v[0]+v[1]+v[2]+v[3];
+   }
+   percent = CLAMP(percent, 0.0, 100.0);
+   if (isnan(percent)) percent = 0.0;
+   return percent;
+}
+
+void Platform_setMemoryValues(Meter* this) {
+   ProcessList* pl = (ProcessList*) this->pl;
+   long int usedMem = pl->usedMem;
+   long int buffersMem = pl->buffersMem;
+   long int cachedMem = pl->cachedMem;
+   usedMem -= buffersMem + cachedMem;
+   this->total = pl->totalMem;
+   this->values[0] = usedMem;
+   this->values[1] = buffersMem;
+   this->values[2] = cachedMem;
+}
+
+void Platform_setSwapValues(Meter* this) {
+   ProcessList* pl = (ProcessList*) this->pl;
+   this->total = pl->totalSwap;
+   this->values[0] = pl->usedSwap;
+}
+
+char* Platform_getProcessEnv(pid_t pid) {
+   char procname[32+1];
+   snprintf(procname, 32, "/proc/%d/environ", pid);
+   FILE* fd = fopen(procname, "r");
+   char *env = NULL;
+   if (fd) {
+      size_t capacity = 4096, size = 0, bytes;
+      env = xMalloc(capacity);
+      while (env && (bytes = fread(env+size, 1, capacity-size, fd)) > 0) {
+         size += bytes;
+         capacity *= 2;
+         env = xRealloc(env, capacity);
+      }
+      fclose(fd);
+      if (size < 2 || env[size-1] || env[size-2]) {
+         if (size + 2 < capacity) {
+            env = xRealloc(env, capacity+2);
+         }
+         env[size] = 0;
+         env[size+1] = 0;
+      }
+   }
+   return env;
+}