Object* Action_pickFromVector(State* st, Panel* list, int x) {
Panel* panel = st->panel;
Header* header = st->header;
Settings* settings = st->settings;
int y = panel->y;
ScreenManager* scr = ScreenManager_new(0, header->height, 0, -1, HORIZONTAL, header, settings, false);
scr->allowFocusChange = false;
ScreenManager_add(scr, list, x - 1);
ScreenManager_add(scr, panel, -1);
Panel* panelFocus;
int ch;
bool unfollow = false;
int pid = MainPanel_selectedPid((MainPanel*)panel);
if (header->pl->following == -1) {
header->pl->following = pid;
unfollow = true;
}
ScreenManager_run(scr, &panelFocus, &ch);
if (unfollow) {
header->pl->following = -1;
}
ScreenManager_delete(scr);
Panel_move(panel, 0, y);
Panel_resize(panel, COLS, LINES-y-1);
if (panelFocus == list && ch == 13) {
Process* selected = (Process*)Panel_getSelected(panel);
if (selected && selected->pid == pid)
return Panel_getSelected(list);
else
beep();
}
return NULL;
}
static Object* pickFromVector(Panel* panel, Panel* list, int x, int y, const char** keyLabels, FunctionBar* prevBar, Header* header) {
const char* fuKeys[] = {"Enter", "Esc", NULL};
int fuEvents[] = {13, 27};
ScreenManager* scr = ScreenManager_new(0, y, 0, -1, HORIZONTAL, header, false);
scr->allowFocusChange = false;
ScreenManager_add(scr, list, FunctionBar_new(keyLabels, fuKeys, fuEvents), x - 1);
ScreenManager_add(scr, panel, NULL, -1);
Panel* panelFocus;
int ch;
bool unfollow = false;
int pid = selectedPid(panel);
if (header->pl->following == -1) {
header->pl->following = pid;
unfollow = true;
}
ScreenManager_run(scr, &panelFocus, &ch);
if (unfollow) {
header->pl->following = -1;
}
ScreenManager_delete(scr);
Panel_move(panel, 0, y);
Panel_resize(panel, COLS, LINES-y-1);
FunctionBar_draw(prevBar, NULL);
if (panelFocus == list && ch == 13) {
Process* selected = (Process*)Panel_getSelected(panel);
if (selected && selected->pid == pid)
return Panel_getSelected(list);
else
beep();
}
return NULL;
}
static Htop_Reaction actionSetup(State* st) {
Action_runSetup(st->settings, st->header, st->pl);
// TODO: shouldn't need this, colors should be dynamic
int headerHeight = Header_calculateHeight(st->header);
Panel_move(st->panel, 0, headerHeight);
Panel_resize(st->panel, COLS, LINES-headerHeight-1);
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static Htop_Reaction actionResize(State* st) {
Panel_resize(st->panel, COLS, LINES-(st->panel->y)-1);
return HTOP_REDRAW_BAR;
}
static void millisleep(unsigned long millisec) {
struct timespec req = {
.tv_sec = 0,
.tv_nsec = millisec * 1000000L
};
while(nanosleep(&req,&req)==-1) {
continue;
}
}
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);
}
int quit = 0;
int refreshTimeout = 0;
int resetRefreshTimeout = 5;
bool doRefresh = true;
bool doRecalculate = false;
Settings* settings;
ProcessList* pl = NULL;
UsersTable* ut = UsersTable_new();
#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
pl = ProcessList_new(ut, pidWhiteList);
Process_getMaxPid();
Header* header = Header_new(pl);
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);
setTreeView(pl, defaultBar, pl->treeView);
if (sortKey > 0) {
pl->sortKey = sortKey;
setTreeView(pl, defaultBar, false);
pl->direction = 1;
}
ProcessList_printHeader(pl, Panel_getHeader(panel));
IncSet* inc = IncSet_new(defaultBar);
ProcessList_scan(pl);
millisleep(75);
FunctionBar_draw(defaultBar, NULL);
int acc = 0;
bool follow = false;
struct timeval tv;
double oldTime = 0.0;
int ch = ERR;
int closeTimeout = 0;
bool idle = false;
bool collapsed = false;
while (!quit) {
gettimeofday(&tv, NULL);
double newTime = ((double)tv.tv_sec * 10) + ((double)tv.tv_usec / 100000);
bool recalculate = (newTime - oldTime > settings->delay);
int following = follow ? selectedPid(panel) : -1;
if (recalculate) {
Header_draw(header);
oldTime = newTime;
}
if (doRefresh) {
if (recalculate || doRecalculate) {
ProcessList_scan(pl);
doRecalculate = false;
}
if (refreshTimeout == 0 || pl->treeView) {
ProcessList_sort(pl);
refreshTimeout = 1;
}
ProcessList_rebuildPanel(pl, true, following, userOnly, userId, IncSet_filter(inc));
idle = false;
}
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;
}
}
if (!idle) {
Panel_draw(panel, true);
}
int prev = ch;
if (inc->active)
move(LINES-1, CRT_cursorX);
ch = getch();
if (ch == ERR) {
if (!inc->active)
refreshTimeout--;
if (prev == ch && !recalculate) {
closeTimeout++;
if (closeTimeout == 100) {
break;
}
} else
closeTimeout = 0;
idle = true;
continue;
}
idle = false;
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);
setTreeView(pl, defaultBar, false);
} else {
setSortKey(pl, defaultBar, field, panel, settings);
}
refreshTimeout = 0;
continue;
} else if (mevent.y >= panel->y + 1 && mevent.y < LINES - 1) {
Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV - 1);
doRefresh = false;
refreshTimeout = resetRefreshTimeout;
follow = true;
continue;
} 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);
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;
}
switch (ch) {
case KEY_RESIZE:
Panel_resize(panel, COLS, LINES-headerHeight-1);
IncSet_drawBar(inc);
break;
case 'M':
{
refreshTimeout = 0;
setSortKey(pl, defaultBar, PERCENT_MEM, panel, settings);
break;
}
case 'T':
{
refreshTimeout = 0;
setSortKey(pl, defaultBar, TIME, panel, settings);
break;
}
case 'c':
{
Process* p = (Process*) Panel_getSelected(panel);
if (!p) break;
tagAllChildren(panel, p);
break;
}
case 'U':
{
for (int i = 0; i < Panel_size(panel); i++) {
Process* p = (Process*) Panel_get(panel, i);
p->tag = false;
}
doRefresh = true;
break;
}
case 'P':
{
refreshTimeout = 0;
setSortKey(pl, defaultBar, PERCENT_CPU, panel, settings);
break;
}
case KEY_F(1):
case 'h':
case '?':
{
showHelp(pl);
FunctionBar_draw(defaultBar, NULL);
refreshTimeout = 0;
break;
}
case '\014': // Ctrl+L
{
clear();
FunctionBar_draw(defaultBar, NULL);
refreshTimeout = 0;
break;
}
case ' ':
{
Process* p = (Process*) Panel_getSelected(panel);
if (!p) break;
Process_toggleTag(p);
Panel_onKey(panel, KEY_DOWN);
break;
}
case 's':
{
Process* p = (Process*) Panel_getSelected(panel);
if (!p) break;
TraceScreen* ts = TraceScreen_new(p);
TraceScreen_run(ts);
TraceScreen_delete(ts);
clear();
FunctionBar_draw(defaultBar, NULL);
refreshTimeout = 0;
CRT_enableDelay();
break;
}
case 'l':
{
Process* p = (Process*) Panel_getSelected(panel);
if (!p) break;
OpenFilesScreen* ts = OpenFilesScreen_new(p);
OpenFilesScreen_run(ts);
OpenFilesScreen_delete(ts);
clear();
FunctionBar_draw(defaultBar, NULL);
refreshTimeout = 0;
CRT_enableDelay();
break;
}
case 'S':
case 'C':
case KEY_F(2):
{
Setup_run(settings, header);
// TODO: shouldn't need this, colors should be dynamic
ProcessList_printHeader(pl, Panel_getHeader(panel));
headerHeight = Header_calculateHeight(header);
Panel_move(panel, 0, headerHeight);
Panel_resize(panel, COLS, LINES-headerHeight-1);
FunctionBar_draw(defaultBar, NULL);
refreshTimeout = 0;
break;
}
case 'F':
{
follow = true;
continue;
}
case 'u':
{
Panel* usersPanel = Panel_new(0, 0, 0, 0, true, Class(ListItem));
Panel_setHeader(usersPanel, "Show processes of:");
UsersTable_foreach(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*) pickFromVector(panel, usersPanel, 20, headerHeight, fuFunctions, defaultBar, header);
if (picked) {
if (picked == allUsers) {
userOnly = false;
} else {
setUserOnly(ListItem_getRef(picked), &userOnly, &userId);
}
}
Panel_delete((Object*)usersPanel);
break;
}
case '+':
case '=':
case '-':
{
if (expandCollapse(panel)) {
doRecalculate = true;
refreshTimeout = 0;
}
break;
}
case KEY_F(9):
case 'k':
{
Panel* signalsPanel = (Panel*) SignalsPanel_new();
const char* fuFunctions[] = {"Send ", "Cancel ", NULL};
ListItem* sgn = (ListItem*) pickFromVector(panel, signalsPanel, 15, headerHeight, fuFunctions, defaultBar, header);
if (sgn) {
if (sgn->key != 0) {
Panel_setHeader(panel, "Sending...");
Panel_draw(panel, true);
refresh();
foreachProcess(panel, (ForeachProcessFn) Process_sendSignal, (size_t) sgn->key, NULL);
napms(500);
}
}
ProcessList_printHeader(pl, Panel_getHeader(panel));
Panel_delete((Object*)signalsPanel);
refreshTimeout = 0;
break;
}
#if (HAVE_LIBHWLOC || HAVE_NATIVE_AFFINITY)
case 'a':
{
if (pl->cpuCount == 1)
break;
Process* p = (Process*) Panel_getSelected(panel);
if (!p) break;
Affinity* affinity = Process_getAffinity(p);
if (!affinity) break;
Panel* affinityPanel = AffinityPanel_new(pl, affinity);
Affinity_delete(affinity);
const char* fuFunctions[] = {"Set ", "Cancel ", NULL};
void* set = pickFromVector(panel, affinityPanel, 15, headerHeight, fuFunctions, defaultBar, header);
if (set) {
Affinity* affinity = AffinityPanel_getAffinity(affinityPanel);
bool ok = foreachProcess(panel, (ForeachProcessFn) Process_setAffinity, (size_t) affinity, NULL);
if (!ok) beep();
Affinity_delete(affinity);
}
Panel_delete((Object*)affinityPanel);
ProcessList_printHeader(pl, Panel_getHeader(panel));
refreshTimeout = 0;
break;
}
#endif
case KEY_F(10):
case 'q':
quit = 1;
break;
case '<':
case ',':
case '>':
case '.':
{
sortBy(panel, pl, settings, headerHeight, defaultBar, header);
refreshTimeout = 0;
break;
}
case KEY_F(18):
case KEY_F(6):
{
if (pl->treeView) {
if (expandCollapse(panel)) {
doRecalculate = true;
refreshTimeout = 0;
}
} else {
sortBy(panel, pl, settings, headerHeight, defaultBar, header);
refreshTimeout = 0;
}
break;
}
case 'i':
{
Process* p = (Process*) Panel_getSelected(panel);
if (!p) break;
IOPriority ioprio = p->ioPriority;
Panel* ioprioPanel = IOPriorityPanel_new(ioprio);
const char* fuFunctions[] = {"Set ", "Cancel ", NULL};
void* set = pickFromVector(panel, ioprioPanel, 21, headerHeight, fuFunctions, defaultBar, header);
if (set) {
IOPriority ioprio = IOPriorityPanel_getIOPriority(ioprioPanel);
bool ok = foreachProcess(panel, (ForeachProcessFn) Process_setIOPriority, (size_t) ioprio, NULL);
if (!ok)
beep();
}
Panel_delete((Object*)ioprioPanel);
ProcessList_printHeader(pl, Panel_getHeader(panel));
refreshTimeout = 0;
break;
}
case 'I':
{
refreshTimeout = 0;
settings->changed = true;
ProcessList_invertSortOrder(pl);
break;
}
case KEY_F(8):
case '[':
{
doRefresh = changePriority(panel, 1);
break;
}
case KEY_F(7):
case ']':
{
doRefresh = changePriority(panel, -1);
break;
}
case KEY_F(3):
case '/':
IncSet_activate(inc, INC_SEARCH);
break;
case KEY_F(4):
case '\\':
IncSet_activate(inc, INC_FILTER);
refreshTimeout = 0;
doRefresh = true;
continue;
case 't':
case KEY_F(5):
refreshTimeout = 0;
collapsed = false;
setTreeView(pl, defaultBar, !pl->treeView);
if (pl->treeView) pl->direction = 1;
ProcessList_printHeader(pl, Panel_getHeader(panel));
ProcessList_expandTree(pl);
settings->changed = true;
if (following != -1) continue;
break;
case 'H':
doRecalculate = true;
refreshTimeout = 0;
pl->hideUserlandThreads = !pl->hideUserlandThreads;
pl->hideThreads = pl->hideUserlandThreads;
settings->changed = true;
break;
case 'K':
doRecalculate = true;
refreshTimeout = 0;
pl->hideKernelThreads = !pl->hideKernelThreads;
settings->changed = true;
break;
default:
doRefresh = false;
refreshTimeout = resetRefreshTimeout;
Panel_onKey(panel, ch);
break;
}
follow = false;
}
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);
IncSet_delete(inc);
FunctionBar_delete((Object*)defaultBar);
Panel_delete((Object*)panel);
UsersTable_delete(ut);
Settings_delete(settings);
if(pidWhiteList) {
Hashtable_delete(pidWhiteList);
}
return 0;
}
void OpenFilesScreen_run(OpenFilesScreen* htop_this) {
Panel* panel = htop_this->display;
Panel_setHeader(panel, " FD TYPE DEVICE SIZE NODE NAME");
FunctionBar* bar = FunctionBar_new(ofsFunctions, ofsKeys, ofsEvents);
IncSet* inc = IncSet_new(bar);
Vector* lines = Vector_new(panel->items->type, true, DEFAULT_SIZE);
OpenFilesScreen_scan(htop_this, lines, inc);
OpenFilesScreen_draw(htop_this, inc);
bool looping = true;
while (looping) {
Panel_draw(panel, true);
if (inc->active)
move(LINES-1, CRT_cursorX);
int ch = getch();
if (ch == KEY_MOUSE) {
MEVENT mevent;
int ok = getmouse(&mevent);
if (ok == OK)
if (mevent.y >= panel->y && mevent.y < LINES - 1) {
Panel_setSelected(panel, mevent.y - panel->y + panel->scrollV);
ch = 0;
}
if (mevent.y == LINES - 1)
ch = FunctionBar_synthesizeEvent(inc->bar, mevent.x);
}
if (inc->active) {
IncSet_handleKey(inc, ch, panel, IncSet_getListItemValue, lines);
continue;
}
switch(ch) {
case ERR:
continue;
case KEY_F(3):
case '/':
IncSet_activate(inc, INC_SEARCH);
break;
case KEY_F(4):
case '\\':
IncSet_activate(inc, INC_FILTER);
break;
case KEY_F(5):
clear();
OpenFilesScreen_scan(htop_this, lines, inc);
OpenFilesScreen_draw(htop_this, inc);
break;
case '\014': // Ctrl+L
clear();
OpenFilesScreen_draw(htop_this, inc);
break;
case 'q':
case 27:
case KEY_F(10):
looping = false;
break;
case KEY_RESIZE:
Panel_resize(panel, COLS, LINES-2);
OpenFilesScreen_draw(htop_this, inc);
break;
default:
Panel_onKey(panel, ch);
}
}
Vector_delete(lines);
FunctionBar_delete((Object*)bar);
IncSet_delete(inc);
}