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/*
htop - NetBSDProcess.c
(C) 2015 Hisham H. Muhammad
(C) 2015 Michael McConville
(C) 2021 Santhosh Raju
(C) 2021 htop dev team
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
*/

#include "netbsd/NetBSDProcess.h"

#include <stdlib.h>

#include "CRT.h"
#include "Process.h"
#include "RichString.h"
#include "XUtils.h"


const ProcessFieldData Process_fields[LAST_PROCESSFIELD] = {
   [0] = {
      .name = "",
      .title = NULL,
      .description = NULL,
      .flags = 0,
   },
   [PID] = {
      .name = "PID",
      .title = "PID",
      .description = "Process/thread ID",
      .flags = 0,
      .pidColumn = true,
   },
   [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,
      .pidColumn = true,
   },
   [PGRP] = {
      .name = "PGRP",
      .title = "PGRP",
      .description = "Process group ID",
      .flags = 0,
      .pidColumn = true,
   },
   [SESSION] = {
      .name = "SESSION",
      .title = "SESN",
      .description = "Process's session ID",
      .flags = 0,
      .pidColumn = true,
   },
   [TTY] = {
      .name = "TTY",
      .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,
      .pidColumn = true,
   },
   [MINFLT] = {
      .name = "MINFLT",
      .title = "     MINFLT ",
      .description = "Number of minor faults which have not required loading a memory page from disk",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [MAJFLT] = {
      .name = "MAJFLT",
      .title = "     MAJFLT ",
      .description = "Number of major faults which have required loading a memory page from disk",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [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,
   },
   [ELAPSED] = {
      .name = "ELAPSED",
      .title = "ELAPSED  ",
      .description = "Time since 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,
      .defaultSortDesc = true,
   },
   [M_RESIDENT] = {
      .name = "M_RESIDENT",
      .title = "  RES ",
      .description = "Resident set size, size of the text and data sections, plus stack usage",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [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,
      .defaultSortDesc = true,
   },
   [PERCENT_NORM_CPU] = {
      .name = "PERCENT_NORM_CPU",
      .title = "NCPU%",
      .description = "Normalized percentage of the CPU time the process used in the last sampling (normalized by cpu count)",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [PERCENT_MEM] = {
      .name = "PERCENT_MEM",
      .title = "MEM% ",
      .description = "Percentage of the memory the process is using, based on resident memory size",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [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,
      .defaultSortDesc = true,
   },
   [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,
      .pidColumn = true,
   },
   [PROC_COMM] = {
      .name = "COMM",
      .title = "COMM            ",
      .description = "comm string of the process",
      .flags = 0,
   },
   [PROC_EXE] = {
      .name = "EXE",
      .title = "EXE             ",
      .description = "Basename of exe of the process",
      .flags = 0,
   },
   [CWD] = {
      .name = "CWD",
      .title = "CWD                       ",
      .description = "The current working directory of the process",
      .flags = PROCESS_FLAG_CWD,
   },

};

Process* NetBSDProcess_new(const Settings* settings) {
   NetBSDProcess* this = xCalloc(sizeof(NetBSDProcess), 1);
   Object_setClass(this, Class(NetBSDProcess));
   Process_init(&this->super, settings);
   return &this->super;
}

void Process_delete(Object* cast) {
   NetBSDProcess* this = (NetBSDProcess*) cast;
   Process_done((Process*)cast);
   free(this);
}

static void NetBSDProcess_writeField(const Process* this, RichString* str, ProcessField field) {
   char buffer[256]; buffer[255] = '\0';
   int attr = CRT_colors[DEFAULT_COLOR];

   switch (field) {
   // add NetBSD-specific fields here
   default:
      Process_writeField(this, str, field);
      return;
   }
   RichString_appendWide(str, attr, buffer);
}

static int NetBSDProcess_compareByKey(const Process* v1, const Process* v2, ProcessField key) {
   const NetBSDProcess* p1 = (const NetBSDProcess*)v1;
   const NetBSDProcess* p2 = (const NetBSDProcess*)v2;

   // remove if actually used
   (void)p1; (void)p2;

   switch (key) {
   // add NetBSD-specific fields here
   default:
      return Process_compareByKey_Base(v1, v2, key);
   }
}

const ProcessClass NetBSDProcess_class = {
   .super = {
      .extends = Class(Process),
      .display = Process_display,
      .delete = Process_delete,
      .compare = Process_compare
   },
   .writeField = NetBSDProcess_writeField,
   .compareByKey = NetBSDProcess_compareByKey
};

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