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Merge pull request #3009 from emersion/swayidle-sigusr

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swayidle: enter idle state on SIGUSR1
This commit is contained in:
Brian Ashworth 2018-10-28 13:31:02 -04:00 • committed by GitHub
commit d14a627c10
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2 changed files with 119 additions and 109 deletions
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200
swayidle/main.c
View file

@ -1,4 +1,5 @@
#define _XOPEN_SOURCE 500 #define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <errno.h> #include <errno.h>
#include <getopt.h> #include <getopt.h>
#include <pthread.h> #include <pthread.h>
@ -25,38 +26,24 @@
#include <elogind/sd-login.h> #include <elogind/sd-login.h>
#endif #endif
typedef void (*timer_callback_func)(void *data);
static struct org_kde_kwin_idle *idle_manager = NULL; static struct org_kde_kwin_idle *idle_manager = NULL;
static struct wl_seat *seat = NULL; static struct wl_seat *seat = NULL;
bool debug = false;
struct swayidle_state { struct swayidle_state {
struct wl_display *display; struct wl_display *display;
struct org_kde_kwin_idle_timeout *idle_timer;
struct org_kde_kwin_idle_timeout *lock_timer;
struct wl_event_loop *event_loop; struct wl_event_loop *event_loop;
list_t *timeout_cmds; list_t *timeout_cmds; // struct swayidle_timeout_cmd *
char *lock_cmd;
} state; } state;
struct swayidle_cmd {
timer_callback_func callback;
char *param;
};
struct swayidle_cmd *lock_cmd = NULL;
struct swayidle_timeout_cmd { struct swayidle_timeout_cmd {
uint32_t timeout; int timeout, registered_timeout;
struct swayidle_cmd *idle_cmd; struct org_kde_kwin_idle_timeout *idle_timer;
struct swayidle_cmd *resume_cmd; char *idle_cmd;
char *resume_cmd;
}; };
static void cmd_exec(void *data) { static void cmd_exec(char *param) {
if (data == NULL) {
return;
}
char *param = (char *)data;
wlr_log(WLR_DEBUG, "Cmd exec %s", param); wlr_log(WLR_DEBUG, "Cmd exec %s", param);
pid_t pid = fork(); pid_t pid = fork();
if (pid == 0) { if (pid == 0) {
@ -82,6 +69,7 @@ static void cmd_exec(void *data) {
#if defined(SWAY_IDLE_HAS_SYSTEMD) || defined(SWAY_IDLE_HAS_ELOGIND) #if defined(SWAY_IDLE_HAS_SYSTEMD) || defined(SWAY_IDLE_HAS_ELOGIND)
static int lock_fd = -1; static int lock_fd = -1;
static int ongoing_fd = -1; static int ongoing_fd = -1;
static struct sd_bus *bus = NULL;
static int release_lock(void *data) { static int release_lock(void *data) {
wlr_log(WLR_INFO, "Releasing sleep lock %d", ongoing_fd); wlr_log(WLR_INFO, "Releasing sleep lock %d", ongoing_fd);
@ -92,19 +80,10 @@ static int release_lock(void *data) {
return 0; return 0;
} }
void acquire_sleep_lock(void) { static void acquire_sleep_lock(void) {
sd_bus_message *msg = NULL; sd_bus_message *msg;
sd_bus_error error = SD_BUS_ERROR_NULL; sd_bus_error error;
struct sd_bus *bus; int ret = sd_bus_call_method(bus, "org.freedesktop.login1",
int ret = sd_bus_default_system(&bus);
if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to open D-Bus connection: %s",
strerror(-ret));
return;
}
ret = sd_bus_call_method(bus, "org.freedesktop.login1",
"/org/freedesktop/login1", "/org/freedesktop/login1",
"org.freedesktop.login1.Manager", "Inhibit", "org.freedesktop.login1.Manager", "Inhibit",
&error, &msg, "ssss", "sleep", "swayidle", &error, &msg, "ssss", "sleep", "swayidle",
@ -112,14 +91,16 @@ void acquire_sleep_lock(void) {
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to send Inhibit signal: %s", wlr_log(WLR_ERROR, "Failed to send Inhibit signal: %s",
strerror(-ret)); strerror(-ret));
} else { return;
}
ret = sd_bus_message_read(msg, "h", &lock_fd); ret = sd_bus_message_read(msg, "h", &lock_fd);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, wlr_log(WLR_ERROR, "Failed to parse D-Bus response for Inhibit: %s",
"Failed to parse D-Bus response for Inhibit: %s",
strerror(-ret)); strerror(-ret));
return;
} }
}
wlr_log(WLR_INFO, "Got sleep lock: %d", lock_fd); wlr_log(WLR_INFO, "Got sleep lock: %d", lock_fd);
} }
@ -140,8 +121,8 @@ static int prepare_for_sleep(sd_bus_message *msg, void *userdata,
ongoing_fd = lock_fd; ongoing_fd = lock_fd;
if (lock_cmd && lock_cmd->callback) { if (state.lock_cmd) {
lock_cmd->callback(lock_cmd->param); cmd_exec(state.lock_cmd);
} }
if (ongoing_fd >= 0) { if (ongoing_fd >= 0) {
@ -149,6 +130,7 @@ static int prepare_for_sleep(sd_bus_message *msg, void *userdata,
wl_event_loop_add_timer(state.event_loop, release_lock, NULL); wl_event_loop_add_timer(state.event_loop, release_lock, NULL);
wl_event_source_timer_update(source, 1000); wl_event_source_timer_update(source, 1000);
} }
wlr_log(WLR_DEBUG, "Prepare for sleep done"); wlr_log(WLR_DEBUG, "Prepare for sleep done");
return 0; return 0;
} }
@ -161,9 +143,7 @@ static int dbus_event(int fd, uint32_t mask, void *data) {
return 1; return 1;
} }
void setup_sleep_listener(void) { static void setup_sleep_listener(void) {
struct sd_bus *bus;
int ret = sd_bus_default_system(&bus); int ret = sd_bus_default_system(&bus);
if (ret < 0) { if (ret < 0) {
wlr_log(WLR_ERROR, "Failed to open D-Bus connection: %s", wlr_log(WLR_ERROR, "Failed to open D-Bus connection: %s",
@ -203,6 +183,7 @@ static void handle_global(void *data, struct wl_registry *registry,
static void handle_global_remove(void *data, struct wl_registry *registry, static void handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name) { uint32_t name) {
// Who cares
} }
static const struct wl_registry_listener registry_listener = { static const struct wl_registry_listener registry_listener = {
@ -210,19 +191,42 @@ static const struct wl_registry_listener registry_listener = {
.global_remove = handle_global_remove, .global_remove = handle_global_remove,
}; };
static const struct org_kde_kwin_idle_timeout_listener idle_timer_listener;
static void register_timeout(struct swayidle_timeout_cmd *cmd,
int timeout) {
if (cmd->idle_timer != NULL) {
org_kde_kwin_idle_timeout_destroy(cmd->idle_timer);
cmd->idle_timer = NULL;
}
if (timeout < 0) {
wlr_log(WLR_DEBUG, "Not registering idle timeout");
return;
}
wlr_log(WLR_DEBUG, "Register with timeout: %d", timeout);
cmd->idle_timer =
org_kde_kwin_idle_get_idle_timeout(idle_manager, seat, timeout);
org_kde_kwin_idle_timeout_add_listener(cmd->idle_timer,
&idle_timer_listener, cmd);
cmd->registered_timeout = timeout;
}
static void handle_idle(void *data, struct org_kde_kwin_idle_timeout *timer) { static void handle_idle(void *data, struct org_kde_kwin_idle_timeout *timer) {
struct swayidle_timeout_cmd *cmd = data; struct swayidle_timeout_cmd *cmd = data;
wlr_log(WLR_DEBUG, "idle state"); wlr_log(WLR_DEBUG, "idle state");
if (cmd && cmd->idle_cmd && cmd->idle_cmd->callback) { if (cmd->idle_cmd) {
cmd->idle_cmd->callback(cmd->idle_cmd->param); cmd_exec(cmd->idle_cmd);
} }
} }
static void handle_resume(void *data, struct org_kde_kwin_idle_timeout *timer) { static void handle_resume(void *data, struct org_kde_kwin_idle_timeout *timer) {
struct swayidle_timeout_cmd *cmd = data; struct swayidle_timeout_cmd *cmd = data;
wlr_log(WLR_DEBUG, "active state"); wlr_log(WLR_DEBUG, "active state");
if (cmd && cmd->resume_cmd && cmd->resume_cmd->callback) { if (cmd->registered_timeout != cmd->timeout) {
cmd->resume_cmd->callback(cmd->resume_cmd->param); register_timeout(cmd, cmd->timeout);
}
if (cmd->resume_cmd) {
cmd_exec(cmd->resume_cmd);
} }
} }
@ -231,20 +235,17 @@ static const struct org_kde_kwin_idle_timeout_listener idle_timer_listener = {
.resumed = handle_resume, .resumed = handle_resume,
}; };
struct swayidle_cmd *parse_command(int argc, char **argv) { static char *parse_command(int argc, char **argv) {
if (argc < 1) { if (argc < 1) {
wlr_log(WLR_ERROR, "Too few parameters for command in parse_command"); wlr_log(WLR_ERROR, "Missing command");
return NULL; return NULL;
} }
struct swayidle_cmd *cmd = calloc(1, sizeof(struct swayidle_cmd));
wlr_log(WLR_DEBUG, "Command: %s", argv[0]); wlr_log(WLR_DEBUG, "Command: %s", argv[0]);
cmd->callback = cmd_exec; return strdup(argv[0]);
cmd->param = argv[0];
return cmd;
} }
int parse_timeout(int argc, char **argv) { static int parse_timeout(int argc, char **argv) {
if (argc < 3) { if (argc < 3) {
wlr_log(WLR_ERROR, "Too few parameters to timeout command. " wlr_log(WLR_ERROR, "Too few parameters to timeout command. "
"Usage: timeout <seconds> <command>"); "Usage: timeout <seconds> <command>");
@ -258,9 +259,15 @@ int parse_timeout(int argc, char **argv) {
"numeric value representing seconds", optarg); "numeric value representing seconds", optarg);
exit(-1); exit(-1);
} }
struct swayidle_timeout_cmd *cmd = struct swayidle_timeout_cmd *cmd =
calloc(1, sizeof(struct swayidle_timeout_cmd)); calloc(1, sizeof(struct swayidle_timeout_cmd));
if (seconds > 0) {
cmd->timeout = seconds * 1000; cmd->timeout = seconds * 1000;
} else {
cmd->timeout = -1;
}
wlr_log(WLR_DEBUG, "Register idle timeout at %d ms", cmd->timeout); wlr_log(WLR_DEBUG, "Register idle timeout at %d ms", cmd->timeout);
wlr_log(WLR_DEBUG, "Setup idle"); wlr_log(WLR_DEBUG, "Setup idle");
@ -276,26 +283,26 @@ int parse_timeout(int argc, char **argv) {
return result; return result;
} }
int parse_sleep(int argc, char **argv) { static int parse_sleep(int argc, char **argv) {
if (argc < 2) { if (argc < 2) {
wlr_log(WLR_ERROR, "Too few parameters to before-sleep command. " wlr_log(WLR_ERROR, "Too few parameters to before-sleep command. "
"Usage: before-sleep <command>"); "Usage: before-sleep <command>");
exit(-1); exit(-1);
} }
lock_cmd = parse_command(argc - 1, &argv[1]); state.lock_cmd = parse_command(argc - 1, &argv[1]);
if (lock_cmd) { if (state.lock_cmd) {
wlr_log(WLR_DEBUG, "Setup sleep lock: %s", lock_cmd->param); wlr_log(WLR_DEBUG, "Setup sleep lock: %s", state.lock_cmd);
} }
return 2; return 2;
} }
static int parse_args(int argc, char *argv[]) {
bool debug = false;
int parse_args(int argc, char *argv[]) {
int c; int c;
while ((c = getopt(argc, argv, "hd")) != -1) {
while ((c = getopt(argc, argv, "hs:d")) != -1) {
switch (c) { switch (c) {
case 'd': case 'd':
debug = true; debug = true;
@ -311,13 +318,7 @@ int parse_args(int argc, char *argv[]) {
} }
} }
if (debug) { wlr_log_init(debug ? WLR_DEBUG : WLR_INFO, NULL);
wlr_log_init(WLR_DEBUG, NULL);
wlr_log(WLR_DEBUG, "Loglevel debug");
} else {
wlr_log_init(WLR_INFO, NULL);
}
state.timeout_cmds = create_list(); state.timeout_cmds = create_list();
@ -331,24 +332,36 @@ int parse_args(int argc, char *argv[]) {
i += parse_sleep(argc - i, &argv[i]); i += parse_sleep(argc - i, &argv[i]);
} else { } else {
wlr_log(WLR_ERROR, "Unsupported command '%s'", argv[i]); wlr_log(WLR_ERROR, "Unsupported command '%s'", argv[i]);
exit(-1); return 1;
} }
} }
return 0; return 0;
} }
void sway_terminate(int exit_code) { void sway_terminate(int exit_code) {
if (state.event_loop) {
wl_event_loop_destroy(state.event_loop);
}
if (state.display) {
wl_display_disconnect(state.display); wl_display_disconnect(state.display);
} wl_event_loop_destroy(state.event_loop);
exit(exit_code); exit(exit_code);
} }
void sig_handler(int signal) { static void register_zero_idle_timeout(void *item) {
struct swayidle_timeout_cmd *cmd = item;
register_timeout(cmd, 0);
}
static int handle_signal(int sig, void *data) {
switch (sig) {
case SIGINT:
case SIGTERM:
sway_terminate(0); sway_terminate(0);
return 0;
case SIGUSR1:
wlr_log(WLR_DEBUG, "Got SIGUSR1");
list_foreach(state.timeout_cmds, register_zero_idle_timeout);
return 1;
}
assert(false); // not reached
} }
static int display_event(int fd, uint32_t mask, void *data) { static int display_event(int fd, uint32_t mask, void *data) {
@ -359,33 +372,26 @@ static int display_event(int fd, uint32_t mask, void *data) {
wlr_log_errno(WLR_ERROR, "wl_display_dispatch failed, exiting"); wlr_log_errno(WLR_ERROR, "wl_display_dispatch failed, exiting");
sway_terminate(0); sway_terminate(0);
} }
wl_display_flush(state.display);
return 0; return 0;
} }
void register_idle_timeout(void *item) { static void register_idle_timeout(void *item) {
struct swayidle_timeout_cmd *cmd = item; struct swayidle_timeout_cmd *cmd = item;
if (cmd == NULL || !cmd->timeout) { register_timeout(cmd, cmd->timeout);
wlr_log(WLR_ERROR, "Invalid idle cmd, will not register");
return;
}
state.idle_timer =
org_kde_kwin_idle_get_idle_timeout(idle_manager, seat, cmd->timeout);
if (state.idle_timer != NULL) {
org_kde_kwin_idle_timeout_add_listener(state.idle_timer,
&idle_timer_listener, cmd);
} else {
wlr_log(WLR_ERROR, "Could not create idle timer");
}
} }
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
signal(SIGINT, sig_handler);
signal(SIGTERM, sig_handler);
if (parse_args(argc, argv) != 0) { if (parse_args(argc, argv) != 0) {
return -1; return -1;
} }
state.event_loop = wl_event_loop_create();
wl_event_loop_add_signal(state.event_loop, SIGINT, handle_signal, NULL);
wl_event_loop_add_signal(state.event_loop, SIGTERM, handle_signal, NULL);
wl_event_loop_add_signal(state.event_loop, SIGUSR1, handle_signal, NULL);
state.display = wl_display_connect(NULL); state.display = wl_display_connect(NULL);
if (state.display == NULL) { if (state.display == NULL) {
wlr_log(WLR_ERROR, "Unable to connect to the compositor. " wlr_log(WLR_ERROR, "Unable to connect to the compositor. "
@ -397,7 +403,6 @@ int main(int argc, char *argv[]) {
struct wl_registry *registry = wl_display_get_registry(state.display); struct wl_registry *registry = wl_display_get_registry(state.display);
wl_registry_add_listener(registry, &registry_listener, NULL); wl_registry_add_listener(registry, &registry_listener, NULL);
wl_display_roundtrip(state.display); wl_display_roundtrip(state.display);
state.event_loop = wl_event_loop_create();
if (idle_manager == NULL) { if (idle_manager == NULL) {
wlr_log(WLR_ERROR, "Display doesn't support idle protocol"); wlr_log(WLR_ERROR, "Display doesn't support idle protocol");
@ -410,7 +415,7 @@ int main(int argc, char *argv[]) {
bool should_run = state.timeout_cmds->length > 0; bool should_run = state.timeout_cmds->length > 0;
#if defined(SWAY_IDLE_HAS_SYSTEMD) || defined(SWAY_IDLE_HAS_ELOGIND) #if defined(SWAY_IDLE_HAS_SYSTEMD) || defined(SWAY_IDLE_HAS_ELOGIND)
if (lock_cmd) { if (state.lock_cmd) {
should_run = true; should_run = true;
setup_sleep_listener(); setup_sleep_listener();
} }
@ -419,12 +424,15 @@ int main(int argc, char *argv[]) {
wlr_log(WLR_INFO, "No command specified! Nothing to do, will exit"); wlr_log(WLR_INFO, "No command specified! Nothing to do, will exit");
sway_terminate(0); sway_terminate(0);
} }
list_foreach(state.timeout_cmds, register_idle_timeout); list_foreach(state.timeout_cmds, register_idle_timeout);
wl_display_roundtrip(state.display); wl_display_roundtrip(state.display);
wl_event_loop_add_fd(state.event_loop, wl_display_get_fd(state.display), struct wl_event_source *source = wl_event_loop_add_fd(state.event_loop,
WL_EVENT_READABLE, display_event, NULL); wl_display_get_fd(state.display), WL_EVENT_READABLE,
display_event, NULL);
wl_event_source_check(source);
while (wl_event_loop_dispatch(state.event_loop, -1) != 1) { while (wl_event_loop_dispatch(state.event_loop, -1) != 1) {
// This space intentionally left blank // This space intentionally left blank

4
swayidle/swayidle.1.scd
View file

@ -22,6 +22,8 @@ swayidle listens for idle activity on your Wayland compositor and executes tasks
on various idle-related events. You can specify any number of events at the on various idle-related events. You can specify any number of events at the
command line. command line.
Sending SIGUSR1 to swayidle will immediately enter idle state.
# EVENTS # EVENTS
*timeout* <timeout> <timeout command> [resume <resume command>] *timeout* <timeout> <timeout command> [resume <resume command>]
@ -58,4 +60,4 @@ https://github.com/swaywm/sway.
# SEE ALSO # SEE ALSO
*sway*(5) *swaymsg*(1) *sway-input*(5) *sway-bar*(5) *sway*(5) *swaymsg*(1) *sway-input*(5) *sway-output*(5) *sway-bar*(5)