fakevt: remove unused tool
The fakevt tool is no longer used. The same functionality was integrated into kmscon with the fake-VT uterm_vt backend. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann
parent
c69bb05bcd
commit
6967f0acda
1
.gitignore
vendored
1
.gitignore
vendored
@ -4,7 +4,6 @@
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*.lo
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*.la
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kmscon
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fakevt
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/test_*
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Makefile
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Makefile.in
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@ -28,8 +28,7 @@ pkgconfig_DATA =
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#
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bin_PROGRAMS = \
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kmscon \
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fakevt
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kmscon
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check_PROGRAMS = \
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test_output \
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test_vt \
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@ -357,6 +356,3 @@ test_vt_LDADD = libkmscon-core.la
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test_input_SOURCES = tests/test_input.c
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test_input_LDADD = libkmscon-core.la
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fakevt_SOURCES = tools/fakevt.c
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fakevt_LDADD = libkmscon-core.la
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408
tools/fakevt.c
408
tools/fakevt.c
@ -1,408 +0,0 @@
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/*
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* fakevt - Fake Terminal Helper
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*
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* Copyright (c) 2012 David Herrmann <dh.herrmann@googlemail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* Fake Terminal
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* This is a daemon which is run system wide and listens for input devices. It
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* is seat-aware and everything affects only the seat where the input data was
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* received.
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* On special key-combinations this sends a SIGUSR1 and SIGUSR2 to all global
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* kmscon instances. This will notify kmscon to activate or deactivate the
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* fake-seat. This does not affect seat0 if it uses real-VTs.
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*
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* This should be used for debugging only! You may create an emergency tool
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* based on this, but then you should probably improve the logic a bit.
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*/
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#include <errno.h>
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#include <paths.h>
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#include <signal.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/signalfd.h>
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#include <X11/keysym.h>
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#include "conf.h"
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#include "eloop.h"
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#include "log.h"
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#include "static_misc.h"
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#include "uterm.h"
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struct fakevt_app {
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struct ev_eloop *eloop;
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struct uterm_monitor *mon;
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struct kmscon_dlist seats;
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};
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struct fakevt_seat {
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struct kmscon_dlist list;
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struct fakevt_app *app;
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bool active;
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struct uterm_monitor_seat *useat;
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char *sname;
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struct uterm_input *input;
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};
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struct {
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bool debug;
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bool verbose;
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bool help;
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bool silent;
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bool exit;
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bool all_seats;
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char **seats;
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char *xkb_layout;
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char *xkb_variant;
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char *xkb_options;
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} fakevt_conf;
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static void sig_generic(struct ev_eloop *eloop, struct signalfd_siginfo *info,
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void *data)
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{
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struct fakevt_app *app = data;
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ev_eloop_exit(app->eloop);
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log_info("terminating due to caught signal %d", info->ssi_signo);
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}
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static void activate_seat(struct fakevt_seat *seat)
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{
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log_info("activating kmscon");
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system("killall -SIGUSR1 kmscon");
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}
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static void deactivate_seat(struct fakevt_seat *seat)
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{
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log_info("deactivating kmscon");
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system("killall -SIGUSR2 kmscon");
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}
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static void input_event(struct uterm_input *input,
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struct uterm_input_event *ev,
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void *data)
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{
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struct fakevt_seat *seat = data;
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if (UTERM_INPUT_HAS_MODS(ev, UTERM_CONTROL_MASK | UTERM_MOD4_MASK)) {
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if (ev->keysym == XK_F12) {
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if (seat->active)
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deactivate_seat(seat);
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else
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activate_seat(seat);
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seat->active = !seat->active;
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}
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}
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}
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static void seat_new(struct fakevt_app *app,
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struct uterm_monitor_seat *useat,
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const char *sname)
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{
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struct fakevt_seat *seat;
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int ret;
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unsigned int i;
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bool found;
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found = false;
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if (fakevt_conf.all_seats) {
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found = true;
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} else {
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for (i = 0; fakevt_conf.seats[i]; ++i) {
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if (!strcmp(fakevt_conf.seats[i], sname)) {
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found = true;
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break;
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}
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}
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}
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if (!found) {
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log_info("ignoring seat %s as not specified in seat-list",
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sname);
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return;
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}
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seat = malloc(sizeof(*seat));
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if (!seat)
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return;
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memset(seat, 0, sizeof(*seat));
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seat->app = app;
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seat->useat = useat;
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seat->active = false;
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seat->sname = strdup(sname);
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if (!seat->sname) {
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log_err("cannot allocate memory for seat name");
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goto err_free;
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}
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ret = uterm_input_new(&seat->input, app->eloop,
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fakevt_conf.xkb_layout,
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fakevt_conf.xkb_variant,
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fakevt_conf.xkb_options);
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if (ret)
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goto err_name;
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ret = uterm_input_register_cb(seat->input, input_event, seat);
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if (ret)
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goto err_input;
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uterm_input_wake_up(seat->input);
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uterm_monitor_set_seat_data(seat->useat, seat);
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kmscon_dlist_link(&app->seats, &seat->list);
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log_info("new seat %s", seat->sname);
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return;
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err_input:
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uterm_input_unref(seat->input);
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err_name:
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free(seat->sname);
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err_free:
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free(seat);
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}
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static void seat_free(struct fakevt_seat *seat)
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{
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log_info("free seat %s", seat->sname);
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kmscon_dlist_unlink(&seat->list);
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uterm_monitor_set_seat_data(seat->useat, NULL);
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uterm_input_unregister_cb(seat->input, input_event, seat);
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uterm_input_unref(seat->input);
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free(seat->sname);
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free(seat);
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}
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static void monitor_event(struct uterm_monitor *mon,
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struct uterm_monitor_event *ev,
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void *data)
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{
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struct fakevt_app *app = data;
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struct fakevt_seat *seat;
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switch (ev->type) {
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case UTERM_MONITOR_NEW_SEAT:
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seat_new(app, ev->seat, ev->seat_name);
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break;
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case UTERM_MONITOR_FREE_SEAT:
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if (ev->seat_data)
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seat_free(ev->seat_data);
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break;
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case UTERM_MONITOR_NEW_DEV:
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seat = ev->seat_data;
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if (!seat)
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break;
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if (ev->dev_type == UTERM_MONITOR_INPUT)
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uterm_input_add_dev(seat->input, ev->dev_node);
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break;
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case UTERM_MONITOR_FREE_DEV:
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seat = ev->seat_data;
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if (!seat)
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break;
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if (ev->dev_type == UTERM_MONITOR_INPUT)
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uterm_input_remove_dev(seat->input, ev->dev_node);
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break;
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}
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}
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static void destroy_app(struct fakevt_app *app)
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{
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uterm_monitor_unref(app->mon);
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ev_eloop_unregister_signal_cb(app->eloop, SIGINT, sig_generic, app);
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ev_eloop_unregister_signal_cb(app->eloop, SIGTERM, sig_generic, app);
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ev_eloop_unref(app->eloop);
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}
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static int setup_app(struct fakevt_app *app)
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{
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int ret;
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ret = ev_eloop_new(&app->eloop, log_llog);
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if (ret)
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goto err_app;
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ret = ev_eloop_register_signal_cb(app->eloop, SIGTERM,
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sig_generic, app);
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if (ret)
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goto err_app;
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ret = ev_eloop_register_signal_cb(app->eloop, SIGINT,
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sig_generic, app);
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if (ret)
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goto err_app;
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kmscon_dlist_init(&app->seats);
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ret = uterm_monitor_new(&app->mon, app->eloop, monitor_event, app);
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if (ret)
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goto err_app;
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uterm_monitor_scan(app->mon);
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return 0;
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err_app:
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destroy_app(app);
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return ret;
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}
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static void print_help()
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{
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/*
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* Usage/Help information
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* This should be scaled to a maximum of 80 characters per line:
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*
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* 80 char line:
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* | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
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* "12345678901234567890123456789012345678901234567890123456789012345678901234567890\n"
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* 80 char line starting with tab:
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* |10| 20 | 30 | 40 | 50 | 60 | 70 | 80 |
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* "\t901234567890123456789012345678901234567890123456789012345678901234567890\n"
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*/
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fprintf(stderr,
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"Usage:\n"
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"\t%1$s [options]\n"
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"\t%1$s -h [options]\n"
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"\n"
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"You can prefix boolean options with \"no-\" to negate it. If an argument is\n"
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"given multiple times, only the last argument matters if not otherwise stated.\n"
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"\n"
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"General Options:\n"
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"\t-h, --help [off] Print this help and exit\n"
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"\t-v, --verbose [off] Print verbose messages\n"
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"\t --debug [off] Enable debug mode\n"
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"\t --silent [off] Suppress notices and warnings\n"
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"\t --seats <list,of,seats> [seat0] Select seats or pass 'all' to make\n"
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"\t fakevt run on all seats\n"
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"\n"
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"Input Device Options:\n"
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"\t --xkb-layout <layout> [us] Set XkbLayout for input devices\n"
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"\t --xkb-variant <variant> [-] Set XkbVariant for input devices\n"
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"\t --xkb-options <options> [-] Set XkbOptions for input devices\n",
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"fakevt");
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/*
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* 80 char line:
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* | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
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* "12345678901234567890123456789012345678901234567890123456789012345678901234567890\n"
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* 80 char line starting with tab:
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* |10| 20 | 30 | 40 | 50 | 60 | 70 | 80 |
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* "\t901234567890123456789012345678901234567890123456789012345678901234567890\n"
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*/
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}
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static int aftercheck_debug(struct conf_option *opt, int argc, char **argv,
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int idx)
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{
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/* --debug implies --verbose */
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if (fakevt_conf.debug)
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fakevt_conf.verbose = 1;
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return 0;
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}
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static int aftercheck_help(struct conf_option *opt, int argc, char **argv,
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int idx)
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{
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/* exit after printing --help information */
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if (fakevt_conf.help) {
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print_help();
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fakevt_conf.exit = true;
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}
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return 0;
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}
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static int aftercheck_seats(struct conf_option *opt, int argc, char **argv,
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int idx)
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{
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if (fakevt_conf.seats[0] &&
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!fakevt_conf.seats[1] &&
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!strcmp(fakevt_conf.seats[0], "all"))
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fakevt_conf.all_seats = true;
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return 0;
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}
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static char *def_seats[] = { "seat0", NULL };
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struct conf_option options[] = {
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CONF_OPTION_BOOL('h', "help", aftercheck_help, &fakevt_conf.help, false),
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CONF_OPTION_BOOL('v', "verbose", NULL, &fakevt_conf.verbose, false),
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CONF_OPTION_BOOL(0, "debug", aftercheck_debug, &fakevt_conf.debug, false),
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CONF_OPTION_BOOL(0, "silent", NULL, &fakevt_conf.silent, false),
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CONF_OPTION_STRING(0, "xkb-layout", NULL, &fakevt_conf.xkb_layout, "us"),
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CONF_OPTION_STRING(0, "xkb-variant", NULL, &fakevt_conf.xkb_variant, ""),
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CONF_OPTION_STRING(0, "xkb-options", NULL, &fakevt_conf.xkb_options, ""),
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CONF_OPTION_STRING_LIST(0, "seats", aftercheck_seats, &fakevt_conf.seats, def_seats),
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};
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int main(int argc, char **argv)
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{
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int ret;
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struct fakevt_app app;
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size_t onum;
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onum = sizeof(options) / sizeof(*options);
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ret = conf_parse_argv(options, onum, argc, argv);
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if (ret)
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goto err_out;
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if (fakevt_conf.exit) {
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conf_free(options, onum);
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return EXIT_SUCCESS;
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}
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if (!fakevt_conf.debug && !fakevt_conf.verbose && fakevt_conf.silent)
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log_set_config(&LOG_CONFIG_WARNING(0, 0, 0, 0));
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else
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log_set_config(&LOG_CONFIG_INFO(fakevt_conf.debug,
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fakevt_conf.verbose));
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log_print_init("fakevt");
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memset(&app, 0, sizeof(app));
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ret = setup_app(&app);
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if (ret)
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goto err_out;
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ev_eloop_run(app.eloop, -1);
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destroy_app(&app);
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conf_free(options, onum);
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log_info("exiting");
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return EXIT_SUCCESS;
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err_out:
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conf_free(options, onum);
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log_err("cannot initialize fakevt, errno %d: %s", ret, strerror(-ret));
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return -ret;
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}
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