diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile.am | 6 | ||||
| -rw-r--r-- | tools/fakevt.c | 408 |
3 files changed, 1 insertions, 414 deletions
@@ -4,7 +4,6 @@ *.lo *.la kmscon -fakevt /test_* Makefile Makefile.in diff --git a/Makefile.am b/Makefile.am index f2eabf4..e99658a 100644 --- a/Makefile.am +++ b/Makefile.am @@ -28,8 +28,7 @@ pkgconfig_DATA = # bin_PROGRAMS = \ - kmscon \ - fakevt + kmscon check_PROGRAMS = \ test_output \ test_vt \ @@ -357,6 +356,3 @@ test_vt_LDADD = libkmscon-core.la test_input_SOURCES = tests/test_input.c test_input_LDADD = libkmscon-core.la - -fakevt_SOURCES = tools/fakevt.c -fakevt_LDADD = libkmscon-core.la diff --git a/tools/fakevt.c b/tools/fakevt.c deleted file mode 100644 index 7456198..0000000 --- a/tools/fakevt.c +++ /dev/null @@ -1,408 +0,0 @@ -/* - * fakevt - Fake Terminal Helper - * - * Copyright (c) 2012 David Herrmann <dh.herrmann@googlemail.com> - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * Fake Terminal - * This is a daemon which is run system wide and listens for input devices. It - * is seat-aware and everything affects only the seat where the input data was - * received. - * On special key-combinations this sends a SIGUSR1 and SIGUSR2 to all global - * kmscon instances. This will notify kmscon to activate or deactivate the - * fake-seat. This does not affect seat0 if it uses real-VTs. - * - * This should be used for debugging only! You may create an emergency tool - * based on this, but then you should probably improve the logic a bit. - */ - -#include <errno.h> -#include <paths.h> -#include <signal.h> -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/signalfd.h> -#include <X11/keysym.h> -#include "conf.h" -#include "eloop.h" -#include "log.h" -#include "static_misc.h" -#include "uterm.h" - -struct fakevt_app { - struct ev_eloop *eloop; - - struct uterm_monitor *mon; - struct kmscon_dlist seats; -}; - -struct fakevt_seat { - struct kmscon_dlist list; - struct fakevt_app *app; - - bool active; - struct uterm_monitor_seat *useat; - char *sname; - - struct uterm_input *input; -}; - -struct { - bool debug; - bool verbose; - bool help; - bool silent; - bool exit; - - bool all_seats; - char **seats; - - char *xkb_layout; - char *xkb_variant; - char *xkb_options; -} fakevt_conf; - -static void sig_generic(struct ev_eloop *eloop, struct signalfd_siginfo *info, - void *data) -{ - struct fakevt_app *app = data; - - ev_eloop_exit(app->eloop); - log_info("terminating due to caught signal %d", info->ssi_signo); -} - -static void activate_seat(struct fakevt_seat *seat) -{ - log_info("activating kmscon"); - system("killall -SIGUSR1 kmscon"); -} - -static void deactivate_seat(struct fakevt_seat *seat) -{ - log_info("deactivating kmscon"); - system("killall -SIGUSR2 kmscon"); -} - -static void input_event(struct uterm_input *input, - struct uterm_input_event *ev, - void *data) -{ - struct fakevt_seat *seat = data; - - if (UTERM_INPUT_HAS_MODS(ev, UTERM_CONTROL_MASK | UTERM_MOD4_MASK)) { - if (ev->keysym == XK_F12) { - if (seat->active) - deactivate_seat(seat); - else - activate_seat(seat); - seat->active = !seat->active; - } - } -} - -static void seat_new(struct fakevt_app *app, - struct uterm_monitor_seat *useat, - const char *sname) -{ - struct fakevt_seat *seat; - int ret; - unsigned int i; - bool found; - - found = false; - if (fakevt_conf.all_seats) { - found = true; - } else { - for (i = 0; fakevt_conf.seats[i]; ++i) { - if (!strcmp(fakevt_conf.seats[i], sname)) { - found = true; - break; - } - } - } - - if (!found) { - log_info("ignoring seat %s as not specified in seat-list", - sname); - return; - } - - seat = malloc(sizeof(*seat)); - if (!seat) - return; - memset(seat, 0, sizeof(*seat)); - seat->app = app; - seat->useat = useat; - seat->active = false; - - seat->sname = strdup(sname); - if (!seat->sname) { - log_err("cannot allocate memory for seat name"); - goto err_free; - } - - ret = uterm_input_new(&seat->input, app->eloop, - fakevt_conf.xkb_layout, - fakevt_conf.xkb_variant, - fakevt_conf.xkb_options); - if (ret) - goto err_name; - - ret = uterm_input_register_cb(seat->input, input_event, seat); - if (ret) - goto err_input; - - uterm_input_wake_up(seat->input); - uterm_monitor_set_seat_data(seat->useat, seat); - kmscon_dlist_link(&app->seats, &seat->list); - - log_info("new seat %s", seat->sname); - return; - -err_input: - uterm_input_unref(seat->input); -err_name: - free(seat->sname); -err_free: - free(seat); -} - -static void seat_free(struct fakevt_seat *seat) -{ - log_info("free seat %s", seat->sname); - - kmscon_dlist_unlink(&seat->list); - uterm_monitor_set_seat_data(seat->useat, NULL); - uterm_input_unregister_cb(seat->input, input_event, seat); - uterm_input_unref(seat->input); - free(seat->sname); - free(seat); -} - -static void monitor_event(struct uterm_monitor *mon, - struct uterm_monitor_event *ev, - void *data) -{ - struct fakevt_app *app = data; - struct fakevt_seat *seat; - - switch (ev->type) { - case UTERM_MONITOR_NEW_SEAT: - seat_new(app, ev->seat, ev->seat_name); - break; - case UTERM_MONITOR_FREE_SEAT: - if (ev->seat_data) - seat_free(ev->seat_data); - break; - case UTERM_MONITOR_NEW_DEV: - seat = ev->seat_data; - if (!seat) - break; - if (ev->dev_type == UTERM_MONITOR_INPUT) - uterm_input_add_dev(seat->input, ev->dev_node); - break; - case UTERM_MONITOR_FREE_DEV: - seat = ev->seat_data; - if (!seat) - break; - if (ev->dev_type == UTERM_MONITOR_INPUT) - uterm_input_remove_dev(seat->input, ev->dev_node); - break; - } -} - -static void destroy_app(struct fakevt_app *app) -{ - uterm_monitor_unref(app->mon); - ev_eloop_unregister_signal_cb(app->eloop, SIGINT, sig_generic, app); - ev_eloop_unregister_signal_cb(app->eloop, SIGTERM, sig_generic, app); - ev_eloop_unref(app->eloop); -} - -static int setup_app(struct fakevt_app *app) -{ - int ret; - - ret = ev_eloop_new(&app->eloop, log_llog); - if (ret) - goto err_app; - - ret = ev_eloop_register_signal_cb(app->eloop, SIGTERM, - sig_generic, app); - if (ret) - goto err_app; - - ret = ev_eloop_register_signal_cb(app->eloop, SIGINT, - sig_generic, app); - if (ret) - goto err_app; - - kmscon_dlist_init(&app->seats); - - ret = uterm_monitor_new(&app->mon, app->eloop, monitor_event, app); - if (ret) - goto err_app; - - uterm_monitor_scan(app->mon); - - return 0; - -err_app: - destroy_app(app); - return ret; -} - -static void print_help() -{ - /* - * Usage/Help information - * This should be scaled to a maximum of 80 characters per line: - * - * 80 char line: - * | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | - * "12345678901234567890123456789012345678901234567890123456789012345678901234567890\n" - * 80 char line starting with tab: - * |10| 20 | 30 | 40 | 50 | 60 | 70 | 80 | - * "\t901234567890123456789012345678901234567890123456789012345678901234567890\n" - */ - fprintf(stderr, - "Usage:\n" - "\t%1$s [options]\n" - "\t%1$s -h [options]\n" - "\n" - "You can prefix boolean options with \"no-\" to negate it. If an argument is\n" - "given multiple times, only the last argument matters if not otherwise stated.\n" - "\n" - "General Options:\n" - "\t-h, --help [off] Print this help and exit\n" - "\t-v, --verbose [off] Print verbose messages\n" - "\t --debug [off] Enable debug mode\n" - "\t --silent [off] Suppress notices and warnings\n" - "\t --seats <list,of,seats> [seat0] Select seats or pass 'all' to make\n" - "\t fakevt run on all seats\n" - "\n" - "Input Device Options:\n" - "\t --xkb-layout <layout> [us] Set XkbLayout for input devices\n" - "\t --xkb-variant <variant> [-] Set XkbVariant for input devices\n" - "\t --xkb-options <options> [-] Set XkbOptions for input devices\n", - "fakevt"); - /* - * 80 char line: - * | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | - * "12345678901234567890123456789012345678901234567890123456789012345678901234567890\n" - * 80 char line starting with tab: - * |10| 20 | 30 | 40 | 50 | 60 | 70 | 80 | - * "\t901234567890123456789012345678901234567890123456789012345678901234567890\n" - */ -} - -static int aftercheck_debug(struct conf_option *opt, int argc, char **argv, - int idx) -{ - /* --debug implies --verbose */ - if (fakevt_conf.debug) - fakevt_conf.verbose = 1; - - return 0; -} - -static int aftercheck_help(struct conf_option *opt, int argc, char **argv, - int idx) -{ - /* exit after printing --help information */ - if (fakevt_conf.help) { - print_help(); - fakevt_conf.exit = true; - } - - return 0; -} - -static int aftercheck_seats(struct conf_option *opt, int argc, char **argv, - int idx) -{ - if (fakevt_conf.seats[0] && - !fakevt_conf.seats[1] && - !strcmp(fakevt_conf.seats[0], "all")) - fakevt_conf.all_seats = true; - - return 0; -} - -static char *def_seats[] = { "seat0", NULL }; - -struct conf_option options[] = { - CONF_OPTION_BOOL('h', "help", aftercheck_help, &fakevt_conf.help, false), - CONF_OPTION_BOOL('v', "verbose", NULL, &fakevt_conf.verbose, false), - CONF_OPTION_BOOL(0, "debug", aftercheck_debug, &fakevt_conf.debug, false), - CONF_OPTION_BOOL(0, "silent", NULL, &fakevt_conf.silent, false), - CONF_OPTION_STRING(0, "xkb-layout", NULL, &fakevt_conf.xkb_layout, "us"), - CONF_OPTION_STRING(0, "xkb-variant", NULL, &fakevt_conf.xkb_variant, ""), - CONF_OPTION_STRING(0, "xkb-options", NULL, &fakevt_conf.xkb_options, ""), - CONF_OPTION_STRING_LIST(0, "seats", aftercheck_seats, &fakevt_conf.seats, def_seats), -}; - -int main(int argc, char **argv) -{ - int ret; - struct fakevt_app app; - size_t onum; - - onum = sizeof(options) / sizeof(*options); - ret = conf_parse_argv(options, onum, argc, argv); - if (ret) - goto err_out; - - if (fakevt_conf.exit) { - conf_free(options, onum); - return EXIT_SUCCESS; - } - - if (!fakevt_conf.debug && !fakevt_conf.verbose && fakevt_conf.silent) - log_set_config(&LOG_CONFIG_WARNING(0, 0, 0, 0)); - else - log_set_config(&LOG_CONFIG_INFO(fakevt_conf.debug, - fakevt_conf.verbose)); - - log_print_init("fakevt"); - - memset(&app, 0, sizeof(app)); - ret = setup_app(&app); - if (ret) - goto err_out; - - ev_eloop_run(app.eloop, -1); - - destroy_app(&app); - conf_free(options, onum); - log_info("exiting"); - - return EXIT_SUCCESS; - -err_out: - conf_free(options, onum); - log_err("cannot initialize fakevt, errno %d: %s", ret, strerror(-ret)); - return -ret; -} |