/*
htop - unsupported/Platform.c
(C) 2014 Hisham H. Muhammad
(C) 2015 David C. Hunt
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/

#include <math.h>

#include "Platform.h"
#include "Macros.h"
#include "CPUMeter.h"
#include "MemoryMeter.h"
#include "SwapMeter.h"
#include "TasksMeter.h"
#include "LoadAverageMeter.h"
#include "ClockMeter.h"
#include "DateMeter.h"
#include "DateTimeMeter.h"
#include "HostnameMeter.h"
#include "UptimeMeter.h"


const SignalItem Platform_signals[] = {
   { .name = " 0 Cancel",    .number =  0 },
};

const unsigned int Platform_numberOfSignals = ARRAYSIZE(Platform_signals);

ProcessField Platform_defaultFields[] = { PID, USER, PRIORITY, NICE, M_VIRT, M_RESIDENT, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };

ProcessFieldData Process_fields[] = {
   [0] = { .name = "", .title = NULL, .description = NULL, .flags = 0, },
   [PID] = { .name = "PID", .title = "    PID ", .description = "Process/thread ID", .flags = 0, },
   [COMM] = { .name = "Command", .title = "Command ", .description = "Command line", .flags = 0, },
   [STATE] = { .name = "STATE", .title = "S ", .description = "Process state (S sleeping, R running, D disk, Z zombie, T traced, W paging)", .flags = 0, },
   [PPID] = { .name = "PPID", .title = "   PPID ", .description = "Parent process ID", .flags = 0, },
   [PGRP] = { .name = "PGRP", .title = "   PGRP ", .description = "Process group ID", .flags = 0, },
   [SESSION] = { .name = "SESSION", .title = "    SID ", .description = "Process's session ID", .flags = 0, },
   [TTY_NR] = { .name = "TTY_NR", .title = "    TTY ", .description = "Controlling terminal", .flags = 0, },
   [TPGID] = { .name = "TPGID", .title = "  TPGID ", .description = "Process ID of the fg process group of the controlling terminal", .flags = 0, },
   [MINFLT] = { .name = "MINFLT", .title = "     MINFLT ", .description = "Number of minor faults which have not required loading a memory page from disk", .flags = 0, },
   [MAJFLT] = { .name = "MAJFLT", .title = "     MAJFLT ", .description = "Number of major faults which have required loading a memory page from disk", .flags = 0, },
   [PRIORITY] = { .name = "PRIORITY", .title = "PRI ", .description = "Kernel's internal priority for the process", .flags = 0, },
   [NICE] = { .name = "NICE", .title = " NI ", .description = "Nice value (the higher the value, the more it lets other processes take priority)", .flags = 0, },
   [STARTTIME] = { .name = "STARTTIME", .title = "START ", .description = "Time the process was started", .flags = 0, },

   [PROCESSOR] = { .name = "PROCESSOR", .title = "CPU ", .description = "Id of the CPU the process last executed on", .flags = 0, },
   [M_VIRT] = { .name = "M_VIRT", .title = " VIRT ", .description = "Total program size in virtual memory", .flags = 0, },
   [M_RESIDENT] = { .name = "M_RESIDENT", .title = "  RES ", .description = "Resident set size, size of the text and data sections, plus stack usage", .flags = 0, },
   [ST_UID] = { .name = "ST_UID", .title = "  UID ", .description = "User ID of the process owner", .flags = 0, },
   [PERCENT_CPU] = { .name = "PERCENT_CPU", .title = "CPU% ", .description = "Percentage of the CPU time the process used in the last sampling", .flags = 0, },
   [PERCENT_MEM] = { .name = "PERCENT_MEM", .title = "MEM% ", .description = "Percentage of the memory the process is using, based on resident memory size", .flags = 0, },
   [USER] = { .name = "USER", .title = "USER      ", .description = "Username of the process owner (or user ID if name cannot be determined)", .flags = 0, },
   [TIME] = { .name = "TIME", .title = "  TIME+  ", .description = "Total time the process has spent in user and system time", .flags = 0, },
   [NLWP] = { .name = "NLWP", .title = "NLWP ", .description = "Number of threads in the process", .flags = 0, },
   [TGID] = { .name = "TGID", .title = "   TGID ", .description = "Thread group ID (i.e. process ID)", .flags = 0, },
   [100] = { .name = "*** report bug! ***", .title = NULL, .description = NULL, .flags = 0, },
};

const MeterClass* const Platform_meterTypes[] = {
   &CPUMeter_class,
   &ClockMeter_class,
   &DateMeter_class,
   &DateTimeMeter_class,
   &LoadAverageMeter_class,
   &LoadMeter_class,
   &MemoryMeter_class,
   &SwapMeter_class,
   &TasksMeter_class,
   &BatteryMeter_class,
   &HostnameMeter_class,
   &UptimeMeter_class,
   &AllCPUsMeter_class,
   &AllCPUs2Meter_class,
   &AllCPUs4Meter_class,
   &AllCPUs8Meter_class,
   &LeftCPUsMeter_class,
   &RightCPUsMeter_class,
   &LeftCPUs2Meter_class,
   &RightCPUs2Meter_class,
   &LeftCPUs4Meter_class,
   &RightCPUs4Meter_class,
   &LeftCPUs8Meter_class,
   &RightCPUs8Meter_class,
   &BlankMeter_class,
   NULL
};

int Platform_numberOfFields = 100;

ProcessPidColumn Process_pidColumns[] = {
   { .id = 0, .label = NULL },
};

void Platform_init(void) {
   /* no platform-specific setup needed */
}

void Platform_done(void) {
   /* no platform-specific cleanup needed */
}

void Platform_setBindings(Htop_Action* keys) {
   /* no platform-specific key bindings */
   (void) keys;
}

int Platform_getUptime() {
   return 0;
}

void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
   *one = 0;
   *five = 0;
   *fifteen = 0;
}

int Platform_getMaxPid() {
   return 1;
}

double Platform_setCPUValues(Meter* this, int cpu) {
   (void) cpu;

   double* v = this->values;
   v[CPU_METER_FREQUENCY] = NAN;
   v[CPU_METER_TEMPERATURE] = NAN;

   return 0.0;
}

void Platform_setMemoryValues(Meter* this) {
   (void) this;
}

void Platform_setSwapValues(Meter* this) {
   (void) this;
}

bool Process_isThread(const Process* this) {
   (void) this;
   return false;
}

char* Platform_getProcessEnv(pid_t pid) {
   (void) pid;
   return NULL;
}

char* Platform_getInodeFilename(pid_t pid, ino_t inode) {
    (void)pid;
    (void)inode;
    return NULL;
}

FileLocks_ProcessData* Platform_getProcessLocks(pid_t pid) {
    (void)pid;
    return NULL;
}

bool Platform_getDiskIO(DiskIOData* data) {
   (void)data;
   return false;
}

bool Platform_getNetworkIO(unsigned long int* bytesReceived,
                           unsigned long int* packetsReceived,
                           unsigned long int* bytesTransmitted,
                           unsigned long int* packetsTransmitted) {
   *bytesReceived = 0;
   *packetsReceived = 0;
   *bytesTransmitted = 0;
   *packetsTransmitted = 0;
   return false;
}

void Platform_getBattery(double* percent, ACPresence* isOnAC) {
   *percent = NAN;
   *isOnAC = AC_ERROR;
}