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htop
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htop/htop.c

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/*
htop - htop.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ProcessList.h"
#include "CRT.h"
#include "Panel.h"
#include "UsersTable.h"
#include "RichString.h"
#include "Settings.h"
#include "ScreenManager.h"
#include "FunctionBar.h"
#include "ListItem.h"
#include "String.h"
#include "ColumnsPanel.h"
#include "CategoriesPanel.h"
#include "SignalsPanel.h"
#include "TraceScreen.h"
#include "OpenFilesScreen.h"
#include "AffinityPanel.h"
#include "Platform.h"
#include "IncSet.h"
#include "Action.h"
#include "htop.h"
#include <unistd.h>
#include <math.h>
#include <ctype.h>
#include <stdbool.h>
#include <stdlib.h>
#include <locale.h>
#include <getopt.h>
#include <pwd.h>
#include <string.h>
#include <sys/param.h>
#include <sys/time.h>
#include <time.h>
//#link m
#define COPYRIGHT "(C) 2004-2015 Hisham Muhammad"
static void printVersionFlag() {
fputs("htop " VERSION " - " COPYRIGHT "\n"
"Released under the GNU GPL.\n\n",
stdout);
exit(0);
}
static const char* defaultFunctions[] = {"Help ", "Setup ", "Search", "Filter", "Tree ", "SortBy", "Nice -", "Nice +", "Kill ", "Quit ", NULL};
static void printHelpFlag() {
fputs("htop " VERSION " - " COPYRIGHT "\n"
"Released under the GNU GPL.\n\n"
"-C --no-color Use a monochrome color scheme\n"
"-d --delay=DELAY Set the delay between updates, in tenths of seconds\n"
"-h --help Print this help screen\n"
"-s --sort-key=COLUMN Sort by COLUMN (try --sort-key=help for a list)\n"
"-u --user=USERNAME Show only processes of a given user\n"
"-p --pid=PID,[,PID,PID...] Show only the given PIDs\n"
"-v --version Print version info\n"
"\n"
"Long options may be passed with a single dash.\n\n"
"Press F1 inside htop for online help.\n"
"See 'man htop' for more information.\n",
stdout);
exit(0);
}
static struct { const char* key; const char* info; } helpLeft[] = {
{ .key = " Arrows: ", .info = "scroll process list" },
{ .key = " Digits: ", .info = "incremental PID search" },
{ .key = " F3 /: ", .info = "incremental name search" },
{ .key = " F4 \\: ",.info = "incremental name filtering" },
{ .key = " F5 t: ", .info = "tree view" },
{ .key = " u: ", .info = "show processes of a single user" },
{ .key = " H: ", .info = "hide/show user threads" },
{ .key = " K: ", .info = "hide/show kernel threads" },
{ .key = " F: ", .info = "cursor follows process" },
{ .key = " F6 + -: ", .info = "expand/collapse tree" },
{ .key = " P M T: ", .info = "sort by CPU%, MEM% or TIME" },
{ .key = " I: ", .info = "invert sort order" },
{ .key = " F6 >: ", .info = "select sort column" },
{ .key = NULL, .info = NULL }
};
static struct { const char* key; const char* info; } helpRight[] = {
{ .key = " Space: ", .info = "tag process" },
{ .key = " c: ", .info = "tag process and its children" },
{ .key = " U: ", .info = "untag all processes" },
{ .key = " F9 k: ", .info = "kill process/tagged processes" },
{ .key = " F7 ]: ", .info = "higher priority (root only)" },
{ .key = " F8 [: ", .info = "lower priority (+ nice)" },
#if (HAVE_LIBHWLOC || HAVE_NATIVE_AFFINITY)
{ .key = " a: ", .info = "set CPU affinity" },
#endif
{ .key = " i: ", .info = "set IO prority" },
{ .key = " l: ", .info = "list open files with lsof" },
{ .key = " s: ", .info = "trace syscalls with strace" },
{ .key = " ", .info = "" },
{ .key = " F2 S: ", .info = "setup" },
{ .key = " F1 h: ", .info = "show this help screen" },
{ .key = " F10 q: ", .info = "quit" },
{ .key = NULL, .info = NULL }
};
static void showHelp(ProcessList* pl) {
clear();
attrset(CRT_colors[HELP_BOLD]);
for (int i = 0; i < LINES-1; i++)
mvhline(i, 0, ' ', COLS);
mvaddstr(0, 0, "htop " VERSION " - " COPYRIGHT);
mvaddstr(1, 0, "Released under the GNU GPL. See 'man' page for more info.");
attrset(CRT_colors[DEFAULT_COLOR]);
mvaddstr(3, 0, "CPU usage bar: ");
#define addattrstr(a,s) attrset(a);addstr(s)
addattrstr(CRT_colors[BAR_BORDER], "[");
if (pl->detailedCPUTime) {
addattrstr(CRT_colors[CPU_NICE_TEXT], "low"); addstr("/");
addattrstr(CRT_colors[CPU_NORMAL], "normal"); addstr("/");
addattrstr(CRT_colors[CPU_KERNEL], "kernel"); addstr("/");
addattrstr(CRT_colors[CPU_IRQ], "irq"); addstr("/");
addattrstr(CRT_colors[CPU_SOFTIRQ], "soft-irq"); addstr("/");
addattrstr(CRT_colors[CPU_STEAL], "steal"); addstr("/");
addattrstr(CRT_colors[CPU_GUEST], "guest"); addstr("/");
addattrstr(CRT_colors[CPU_IOWAIT], "io-wait");
addattrstr(CRT_colors[BAR_SHADOW], " used%");
} else {
addattrstr(CRT_colors[CPU_NICE_TEXT], "low-priority"); addstr("/");
addattrstr(CRT_colors[CPU_NORMAL], "normal"); addstr("/");
addattrstr(CRT_colors[CPU_KERNEL], "kernel"); addstr("/");
addattrstr(CRT_colors[CPU_STEAL], "virtualiz");
addattrstr(CRT_colors[BAR_SHADOW], " used%");
}
addattrstr(CRT_colors[BAR_BORDER], "]");
attrset(CRT_colors[DEFAULT_COLOR]);
mvaddstr(4, 0, "Memory bar: ");
addattrstr(CRT_colors[BAR_BORDER], "[");
addattrstr(CRT_colors[MEMORY_USED], "used"); addstr("/");
addattrstr(CRT_colors[MEMORY_BUFFERS_TEXT], "buffers"); addstr("/");
addattrstr(CRT_colors[MEMORY_CACHE], "cache");
addattrstr(CRT_colors[BAR_SHADOW], " used/total");
addattrstr(CRT_colors[BAR_BORDER], "]");
attrset(CRT_colors[DEFAULT_COLOR]);
mvaddstr(5, 0, "Swap bar: ");
addattrstr(CRT_colors[BAR_BORDER], "[");
addattrstr(CRT_colors[SWAP], "used");
addattrstr(CRT_colors[BAR_SHADOW], " used/total");
addattrstr(CRT_colors[BAR_BORDER], "]");
attrset(CRT_colors[DEFAULT_COLOR]);
mvaddstr(6,0, "Type and layout of header meters are configurable in the setup screen.");
if (CRT_colorScheme == COLORSCHEME_MONOCHROME) {
mvaddstr(7, 0, "In monochrome, meters are displayed through different chars, in order: |#*@$%&");
}
mvaddstr( 8, 0, " Status: R: running; S: sleeping; T: traced/stopped; Z: zombie; D: disk sleep");
for (int i = 0; helpLeft[i].info; i++) { mvaddstr(9+i, 9, helpLeft[i].info); }
for (int i = 0; helpRight[i].info; i++) { mvaddstr(9+i, 49, helpRight[i].info); }
attrset(CRT_colors[HELP_BOLD]);
for (int i = 0; helpLeft[i].key; i++) { mvaddstr(9+i, 0, helpLeft[i].key); }
for (int i = 0; helpRight[i].key; i++) { mvaddstr(9+i, 40, helpRight[i].key); }
attrset(CRT_colors[HELP_BOLD]);
mvaddstr(23,0, "Press any key to return.");
attrset(CRT_colors[DEFAULT_COLOR]);
refresh();
CRT_readKey();
clear();
}
static const char* CategoriesFunctions[] = {" ", " ", " ", " ", " ", " ", " ", " ", " ", "Done ", NULL};
static void Setup_run(Settings* settings, const Header* header) {
ScreenManager* scr = ScreenManager_new(0, header->height, 0, -1, HORIZONTAL, header, true);
CategoriesPanel* panelCategories = CategoriesPanel_new(settings, scr);
ScreenManager_add(scr, (Panel*) panelCategories, FunctionBar_new(CategoriesFunctions, NULL, NULL), 16);
CategoriesPanel_makeMetersPage(panelCategories);
Panel* panelFocus;
int ch;
ScreenManager_run(scr, &panelFocus, &ch);
ScreenManager_delete(scr);
}
static bool changePriority(Panel* panel, int delta) {
bool anyTagged;
bool ok = Action_foreachProcess(panel, (Action_ForeachProcessFn) Process_changePriorityBy, delta, &anyTagged);
if (!ok)
beep();
return anyTagged;
}
static void addUserToVector(int key, void* userCast, void* panelCast) {
char* user = (char*) userCast;
Panel* panel = (Panel*) panelCast;
Panel_add(panel, (Object*) ListItem_new(user, key));
}
static bool setUserOnly(const char* userName, bool* userOnly, uid_t* userId) {
struct passwd* user = getpwnam(userName);
if (user) {
*userOnly = true;
*userId = user->pw_uid;
return true;
}
return false;
}
static const char* getMainPanelValue(Panel* panel, int i) {
Process* p = (Process*) Panel_get(panel, i);
if (p)
return p->comm;
return "";
}
static void tagAllChildren(Panel* panel, Process* parent) {
parent->tag = true;
pid_t ppid = parent->pid;
for (int i = 0; i < Panel_size(panel); i++) {
Process* p = (Process*) Panel_get(panel, i);
if (!p->tag && p->ppid == ppid) {
tagAllChildren(panel, p);
}
}
}
static bool expandCollapse(Panel* panel) {
Process* p = (Process*) Panel_getSelected(panel);
if (!p) return false;
p->showChildren = !p->showChildren;
return true;
}
static inline Htop_Reaction setSortKey(ProcessList* pl, ProcessField sortKey) {
pl->sortKey = sortKey;
pl->direction = 1;
pl->treeView = false;
return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction sortBy(Panel* panel, ProcessList* pl, Header* header) {
Htop_Reaction reaction = HTOP_OK;
Panel* sortPanel = Panel_new(0, 0, 0, 0, true, Class(ListItem));
Panel_setHeader(sortPanel, "Sort by");
const char* fuFunctions[] = {"Sort ", "Cancel ", NULL};
ProcessField* fields = pl->fields;
for (int i = 0; fields[i]; i++) {
char* name = String_trim(Process_fieldNames[fields[i]]);
Panel_add(sortPanel, (Object*) ListItem_new(name, fields[i]));
if (fields[i] == pl->sortKey)
Panel_setSelected(sortPanel, i);
free(name);
}
ListItem* field = (ListItem*) Action_pickFromVector(panel, sortPanel, 15, fuFunctions, header);
if (field) {
reaction |= setSortKey(pl, field->key);
}
Object_delete(sortPanel);
return reaction | HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static void millisleep(unsigned long millisec) {
struct timespec req = {
.tv_sec = 0,
.tv_nsec = millisec * 1000000L
};
while(nanosleep(&req,&req)==-1) {
continue;
}
}
// ----------------------------------------
static Htop_Reaction actionResize(Panel* panel) {
Panel_resize(panel, COLS, LINES-(panel->y)-1);
return HTOP_REDRAW_BAR;
}
static Htop_Reaction actionSortByMemory(Panel* panel, ProcessList* pl) {
(void) panel;
return setSortKey(pl, PERCENT_MEM);
}
static Htop_Reaction actionSortByCPU(Panel* panel, ProcessList* pl) {
(void) panel;
return setSortKey(pl, PERCENT_CPU);
}
static Htop_Reaction actionSortByTime(Panel* panel, ProcessList* pl) {
(void) panel;
return setSortKey(pl, TIME);
}
static Htop_Reaction actionToggleKernelThreads(Panel* panel, ProcessList* pl) {
(void) panel;
pl->hideKernelThreads = !pl->hideKernelThreads;
return HTOP_RECALCULATE | HTOP_SAVE_SETTINGS;
}
static Htop_Reaction actionToggleUserlandThreads(Panel* panel, ProcessList* pl) {
(void) panel;
pl->hideUserlandThreads = !pl->hideUserlandThreads;
pl->hideThreads = pl->hideUserlandThreads;
return HTOP_RECALCULATE | HTOP_SAVE_SETTINGS;
}
static Htop_Reaction actionToggleTreeView(Panel* panel, ProcessList* pl) {
(void) panel;
pl->treeView = !pl->treeView;
if (pl->treeView) pl->direction = 1;
ProcessList_expandTree(pl);
return HTOP_REFRESH | HTOP_SAVE_SETTINGS | HTOP_KEEP_FOLLOWING | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionIncFilter(Panel* panel, ProcessList* pl, Header* header, State* state) {
(void) panel, (void) pl, (void) header;
IncSet_activate(state->inc, INC_FILTER);
return HTOP_REFRESH | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionIncSearch(Panel* panel, ProcessList* pl, Header* header, State* state) {
(void) panel, (void) pl, (void) header;
IncSet_activate(state->inc, INC_SEARCH);
return HTOP_REFRESH | HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionHigherPriority(Panel* panel) {
bool changed = changePriority(panel, -1);
return changed ? HTOP_REFRESH : HTOP_OK;
}
static Htop_Reaction actionLowerPriority(Panel* panel) {
bool changed = changePriority(panel, 1);
return changed ? HTOP_REFRESH : HTOP_OK;
}
static Htop_Reaction actionInvertSortOrder(Panel* panel, ProcessList* pl) {
(void) panel;
ProcessList_invertSortOrder(pl);
return HTOP_REFRESH | HTOP_SAVE_SETTINGS;
}
static Htop_Reaction actionSetSortColumn(Panel* panel, ProcessList* pl, Header* header) {
return sortBy(panel, pl, header);
}
static Htop_Reaction actionExpandOrCollapse(Panel* panel) {
bool changed = expandCollapse(panel);
return changed ? HTOP_RECALCULATE : HTOP_OK;
}
static Htop_Reaction actionExpandCollapseOrSortColumn(Panel* panel, ProcessList* pl, Header* header) {
return pl->treeView ? actionExpandOrCollapse(panel) : actionSetSortColumn(panel, pl, header);
}
static Htop_Reaction actionQuit() {
return HTOP_QUIT;
}
static Htop_Reaction actionSetAffinity(Panel* panel, ProcessList* pl, Header* header) {
if (pl->cpuCount == 1)
return HTOP_OK;
#if (HAVE_LIBHWLOC || HAVE_NATIVE_AFFINITY)
Process* p = (Process*) Panel_getSelected(panel);
if (!p) return HTOP_OK;
Affinity* affinity = Process_getAffinity(p);
if (!affinity) return HTOP_OK;
Panel* affinityPanel = AffinityPanel_new(pl, affinity);
Affinity_delete(affinity);
const char* fuFunctions[] = {"Set ", "Cancel ", NULL};
void* set = Action_pickFromVector(panel, affinityPanel, 15, fuFunctions, header);
if (set) {
Affinity* affinity = AffinityPanel_getAffinity(affinityPanel);
bool ok = Action_foreachProcess(panel, (Action_ForeachProcessFn) Process_setAffinity, (size_t) affinity, NULL);
if (!ok) beep();
Affinity_delete(affinity);
}
Panel_delete((Object*)affinityPanel);
#else
(void) panel;
(void) header;
#endif
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionKill(Panel* panel, ProcessList* pl, Header* header) {
(void) pl;
Panel* signalsPanel = (Panel*) SignalsPanel_new();
const char* fuFunctions[] = {"Send ", "Cancel ", NULL};
ListItem* sgn = (ListItem*) Action_pickFromVector(panel, signalsPanel, 15, fuFunctions, header);
if (sgn) {
if (sgn->key != 0) {
Panel_setHeader(panel, "Sending...");
Panel_draw(panel, true);
refresh();
Action_foreachProcess(panel, (Action_ForeachProcessFn) Process_sendSignal, (size_t) sgn->key, NULL);
napms(500);
}
}
Panel_delete((Object*)signalsPanel);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionFilterByUser(Panel* panel, ProcessList* pl, Header* header, State* state) {
Panel* usersPanel = Panel_new(0, 0, 0, 0, true, Class(ListItem));
Panel_setHeader(usersPanel, "Show processes of:");
UsersTable_foreach(state->ut, addUserToVector, usersPanel);
Vector_insertionSort(usersPanel->items);
ListItem* allUsers = ListItem_new("All users", -1);
Panel_insert(usersPanel, 0, (Object*) allUsers);
const char* fuFunctions[] = {"Show ", "Cancel ", NULL};
ListItem* picked = (ListItem*) Action_pickFromVector(panel, usersPanel, 20, fuFunctions, header);
if (picked) {
if (picked == allUsers) {
pl->userOnly = false;
} else {
setUserOnly(ListItem_getRef(picked), &(pl->userOnly), &(pl->userId));
}
}
Panel_delete((Object*)usersPanel);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionFollow() {
return HTOP_KEEP_FOLLOWING;
}
static Htop_Reaction actionSetup(Panel* panel, ProcessList* pl, Header* header, State* state) {
(void) pl;
Setup_run(state->settings, header);
// TODO: shouldn't need this, colors should be dynamic
int headerHeight = Header_calculateHeight(header);
Panel_move(panel, 0, headerHeight);
Panel_resize(panel, COLS, LINES-headerHeight-1);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionLsof(Panel* panel) {
Process* p = (Process*) Panel_getSelected(panel);
if (!p) return HTOP_OK;
OpenFilesScreen* ts = OpenFilesScreen_new(p);
OpenFilesScreen_run(ts);
OpenFilesScreen_delete(ts);
clear();
CRT_enableDelay();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionStrace(Panel* panel) {
Process* p = (Process*) Panel_getSelected(panel);
if (!p) return HTOP_OK;
TraceScreen* ts = TraceScreen_new(p);
TraceScreen_run(ts);
TraceScreen_delete(ts);
clear();
CRT_enableDelay();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionTag(Panel* panel) {
Process* p = (Process*) Panel_getSelected(panel);
if (!p) return HTOP_OK;
Process_toggleTag(p);
Panel_onKey(panel, KEY_DOWN);
return HTOP_OK;
}
static Htop_Reaction actionRedraw() {
clear();
return HTOP_REFRESH | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionHelp(Panel* panel, ProcessList* pl) {
(void) panel;
showHelp(pl);
return HTOP_RECALCULATE | HTOP_REDRAW_BAR;
}
static Htop_Reaction actionUntagAll(Panel* panel) {
for (int i = 0; i < Panel_size(panel); i++) {
Process* p = (Process*) Panel_get(panel, i);
p->tag = false;
}
return HTOP_REFRESH;
}
static Htop_Reaction actionTagAllChildren(Panel* panel) {
Process* p = (Process*) Panel_getSelected(panel);
if (!p) return HTOP_OK;
tagAllChildren(panel, p);
return HTOP_OK;
}
static void setBindings(Htop_Action* keys) {
keys[KEY_RESIZE] = actionResize;
keys['M'] = actionSortByMemory;
keys['T'] = actionSortByTime;
keys['P'] = actionSortByCPU;
keys['H'] = actionToggleUserlandThreads;
keys['K'] = actionToggleKernelThreads;
keys['t'] = actionToggleTreeView;
keys[KEY_F(5)] = actionToggleTreeView;
keys[KEY_F(4)] = actionIncFilter;
keys['\\'] = actionIncFilter;
keys[KEY_F(3)] = actionIncSearch;
keys['/'] = actionIncSearch;
keys[']'] = actionHigherPriority;
keys[KEY_F(7)] = actionHigherPriority;
keys['['] = actionLowerPriority;
keys[KEY_F(8)] = actionLowerPriority;
keys['I'] = actionInvertSortOrder;
keys[KEY_F(6)] = actionExpandCollapseOrSortColumn;
keys[KEY_F(18)] = actionExpandCollapseOrSortColumn;
keys['<'] = actionSetSortColumn;
keys[','] = actionSetSortColumn;
keys['>'] = actionSetSortColumn;
keys['.'] = actionSetSortColumn;
keys[KEY_F(10)] = actionQuit;
keys['q'] = actionQuit;
keys['a'] = actionSetAffinity;
keys[KEY_F(9)] = actionKill;
keys['k'] = actionKill;
keys['+'] = actionExpandOrCollapse;
keys['='] = actionExpandOrCollapse;
keys['-'] = actionExpandOrCollapse;
keys['u'] = actionFilterByUser;
keys['F'] = actionFollow;
keys['S'] = actionSetup;
keys['C'] = actionSetup;
keys[KEY_F(2)] = actionSetup;
keys['l'] = actionLsof;
keys['s'] = actionStrace;
keys[' '] = actionTag;
keys['\014'] = actionRedraw; // Ctrl+L
keys[KEY_F(1)] = actionHelp;
keys['h'] = actionHelp;
keys['?'] = actionHelp;
keys['U'] = actionUntagAll;
keys['c'] = actionTagAllChildren;
}
// ----------------------------------------
static void updateTreeFunctions(FunctionBar* fuBar, bool mode) {
if (mode) {
FunctionBar_setLabel(fuBar, KEY_F(5), "Sorted");
FunctionBar_setLabel(fuBar, KEY_F(6), "Collap");
} else {
FunctionBar_setLabel(fuBar, KEY_F(5), "Tree ");
FunctionBar_setLabel(fuBar, KEY_F(6), "SortBy");
}
}
int main(int argc, char** argv) {
int delay = -1;
bool userOnly = false;
uid_t userId = 0;
int usecolors = 1;
char *argCopy;
char *pid;
Hashtable *pidWhiteList = NULL;
int opt, opti=0;
static struct option long_opts[] =
{
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'v'},
{"delay", required_argument, 0, 'd'},
{"sort-key", required_argument, 0, 's'},
{"user", required_argument, 0, 'u'},
{"no-color", no_argument, 0, 'C'},
{"no-colour",no_argument, 0, 'C'},
{"pid", required_argument, 0, 'p'},
{0,0,0,0}
};
int sortKey = 0;
char *lc_ctype = getenv("LC_CTYPE");
if(lc_ctype != NULL)
setlocale(LC_CTYPE, lc_ctype);
else if ((lc_ctype = getenv("LC_ALL")))
setlocale(LC_CTYPE, lc_ctype);
else
setlocale(LC_CTYPE, "");
/* Parse arguments */
while ((opt = getopt_long(argc, argv, "hvCs:d:u:p:", long_opts, &opti))) {
if (opt == EOF) break;
switch (opt) {
case 'h':
printHelpFlag();
break;
case 'v':
printVersionFlag();
break;
case 's':
if (strcmp(optarg, "help") == 0) {
for (int j = 1; j < LAST_PROCESSFIELD; j++)
printf ("%s\n", Process_fieldNames[j]);
exit(0);
}
sortKey = ColumnsPanel_fieldNameToIndex(optarg);
if (sortKey == -1) {
fprintf(stderr, "Error: invalid column \"%s\".\n", optarg);
exit(1);
}
break;
case 'd':
if (sscanf(optarg, "%16d", &delay) == 1) {
if (delay < 1) delay = 1;
if (delay > 100) delay = 100;
} else {
fprintf(stderr, "Error: invalid delay value \"%s\".\n", optarg);
exit(1);
}
break;
case 'u':
if (!setUserOnly(optarg, &userOnly, &userId)) {
fprintf(stderr, "Error: invalid user \"%s\".\n", optarg);
exit(1);
}
break;
case 'C':
usecolors=0;
break;
case 'p': {
argCopy = strdup(optarg);
char* saveptr;
pid = strtok_r(argCopy, ",", &saveptr);
if( !pidWhiteList ) {
pidWhiteList = Hashtable_new(8, false);
}
while( pid ) {
unsigned int num_pid = atoi(pid);
Hashtable_put(pidWhiteList, num_pid, (void *) 1);
pid = strtok_r(NULL, ",", &saveptr);
}
free(argCopy);
break;
}
default:
exit(1);
}
}
if (access(PROCDIR, R_OK) != 0) {
fprintf(stderr, "Error: could not read procfs (compiled to look in %s).\n", PROCDIR);
exit(1);
}
#ifdef HAVE_LIBNCURSESW
char *locale = setlocale(LC_ALL, NULL);
if (locale == NULL || locale[0] == '\0')
locale = setlocale(LC_CTYPE, NULL);
if (locale != NULL &&
(strstr(locale, "UTF-8") ||
strstr(locale, "utf-8") ||
strstr(locale, "UTF8") ||
strstr(locale, "utf8")))
CRT_utf8 = true;
else
CRT_utf8 = false;
#endif
UsersTable* ut = UsersTable_new();
ProcessList* pl = ProcessList_new(ut, pidWhiteList);
pl->userOnly = userOnly;
pl->userId = userId;
Process_setupColumnWidths();
Header* header = Header_new(pl);
Settings* settings = Settings_new(pl, header, pl->cpuCount);
int headerHeight = Header_calculateHeight(header);
// FIXME: move delay code to settings
if (delay != -1)
settings->delay = delay;
if (!usecolors)
settings->colorScheme = COLORSCHEME_MONOCHROME;
CRT_init(settings->delay, settings->colorScheme);
Panel* panel = Panel_new(0, headerHeight, COLS, LINES - headerHeight - 2, false, &Process_class);
ProcessList_setPanel(pl, panel);
FunctionBar* defaultBar = FunctionBar_new(defaultFunctions, NULL, NULL);
updateTreeFunctions(defaultBar, pl->treeView);
if (sortKey > 0) {
pl->sortKey = sortKey;
pl->treeView = false;
pl->direction = 1;
}
ProcessList_printHeader(pl, Panel_getHeader(panel));
IncSet* inc = IncSet_new(defaultBar);
ProcessList_scan(pl);
millisleep(75);
ProcessList_scan(pl);
FunctionBar_draw(defaultBar, NULL);
int acc = 0;
bool follow = false;
struct timeval tv;
double oldTime = 0.0;
int ch = ERR;
int closeTimeout = 0;
bool drawPanel = true;
bool collapsed = false;
Htop_Action keys[KEY_MAX] = { NULL };
setBindings(keys);
Platform_setBindings(keys);
State state = {
.inc = inc,
.settings = settings,
.ut = ut,
};
bool quit = false;
int sortTimeout = 0;
int resetSortTimeout = 5;
bool doRefresh = true;
bool forceRecalculate = false;
while (!quit) {
gettimeofday(&tv, NULL);
double newTime = ((double)tv.tv_sec * 10) + ((double)tv.tv_usec / 100000);
bool timeToRecalculate = (newTime - oldTime > settings->delay);
if (newTime < oldTime) timeToRecalculate = true; // clock was adjusted?
int following = follow ? Action_selectedPid(panel) : -1;
if (timeToRecalculate) {
Header_draw(header);
oldTime = newTime;
}
if (doRefresh) {
if (timeToRecalculate || forceRecalculate) {
ProcessList_scan(pl);
forceRecalculate = false;
}
if (sortTimeout == 0 || pl->treeView) {
ProcessList_sort(pl);
sortTimeout = 1;
}
ProcessList_rebuildPanel(pl, true, following, IncSet_filter(inc));
drawPanel = true;
}
doRefresh = true;
if (pl->treeView) {
Process* p = (Process*) Panel_getSelected(panel);
if (p) {
if (!p->showChildren && !collapsed) {
FunctionBar_setLabel(defaultBar, KEY_F(6), "Expand");
FunctionBar_draw(defaultBar, NULL);
} else if (p->showChildren && collapsed) {
FunctionBar_setLabel(defaultBar, KEY_F(6), "Collap");
FunctionBar_draw(defaultBar, NULL);
}
collapsed = !p->showChildren;
}
} else {
collapsed = false;
}
if (drawPanel) {
Panel_draw(panel, true);
}
int prev = ch;
if (inc->active)
move(LINES-1, CRT_cursorX);
ch = getch();
if (ch == ERR) {
if (!inc->active)
sortTimeout--;
if (prev == ch && !timeToRecalculate) {
closeTimeout++;
if (closeTimeout == 100) {
break;
}
} else
closeTimeout = 0;
drawPanel = false;
continue;
}
drawPanel = true;
Htop_Reaction reaction = HTOP_OK;
if (ch == KEY_MOUSE) {
MEVENT mevent;
int ok = getmouse(&mevent);
if (ok == OK) {
if (mevent.bstate & BUTTON1_CLICKED) {
if (mevent.y == panel->y) {
int x = panel->scrollH + mevent.x + 1;
ProcessField field = ProcessList_keyAt(pl, x);
if (field == pl->sortKey) {
ProcessList_invertSortOrder(pl);
pl->treeView = false;
reaction |= HTOP_REDRAW_BAR;
} else {
reaction |= setSortKey(pl, field);
}
sortTimeout = 0;
ch = ERR;
} else if (mevent.y >= panel->y + 1 && mevent.y < LINES - 1) {
Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV - 1);
follow = true;
ch = ERR;
} if (mevent.y == LINES - 1) {
ch = FunctionBar_synthesizeEvent(inc->bar, mevent.x);
}
} else if (mevent.bstate & BUTTON4_CLICKED) {
ch = KEY_UP;
#if NCURSES_MOUSE_VERSION > 1
} else if (mevent.bstate & BUTTON5_CLICKED) {
ch = KEY_DOWN;
#endif
}
}
}
if (inc->active) {
doRefresh = IncSet_handleKey(inc, ch, panel, getMainPanelValue, NULL);
if (!inc->active) {
follow = true;
}
continue;
}
if (isdigit((char)ch)) {
if (Panel_size(panel) == 0) continue;
pid_t pid = ch-48 + acc;
for (int i = 0; i < ProcessList_size(pl); i++) {
Panel_setSelected(panel, i);
Process* p = (Process*) Panel_getSelected(panel);
if (p && p->pid == pid) {
break;
}
}
acc = pid * 10;
if (acc > 10000000)
acc = 0;
continue;
} else {
acc = 0;
}
if(ch != ERR && keys[ch]) {
reaction |= (keys[ch])(panel, pl, header, &state);
} else {
doRefresh = false;
sortTimeout = resetSortTimeout;
Panel_onKey(panel, ch);
}
// Reaction handlers:
if (reaction & HTOP_REDRAW_BAR) {
updateTreeFunctions(defaultBar, pl->treeView);
IncSet_drawBar(inc);
}
if (reaction & HTOP_UPDATE_PANELHDR) {
ProcessList_printHeader(pl, Panel_getHeader(panel));
}
if (reaction & HTOP_REFRESH) {
doRefresh = true;
sortTimeout = 0;
}
if (reaction & HTOP_RECALCULATE) {
forceRecalculate = true;
sortTimeout = 0;
}
if (reaction & HTOP_SAVE_SETTINGS) {
settings->changed = true;
}
if (reaction & HTOP_QUIT) {
quit = true;
}
follow = (reaction & HTOP_KEEP_FOLLOWING);
}
attron(CRT_colors[RESET_COLOR]);
mvhline(LINES-1, 0, ' ', COLS);
attroff(CRT_colors[RESET_COLOR]);
refresh();
CRT_done();
if (settings->changed)
Settings_write(settings);
Header_delete(header);
ProcessList_delete(pl);
FunctionBar_delete((Object*)defaultBar);
Panel_delete((Object*)panel);
IncSet_delete(inc);
UsersTable_delete(ut);
Settings_delete(settings);
if(pidWhiteList) {
Hashtable_delete(pidWhiteList);
}
return 0;
}
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