#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/input.h>
-#include <sys/epoll.h>
+#include "sd-messages.h"
#include "conf-parser.h"
#include "util.h"
-#include "logind-button.h"
#include "special.h"
-#include "dbus-common.h"
+#include "logind-button.h"
Button* button_new(Manager *m, const char *name) {
Button *b;
hashmap_remove(b->manager->buttons, b->name);
+ sd_event_source_unref(b->io_event_source);
+ sd_event_source_unref(b->check_event_source);
+
if (b->fd >= 0) {
- hashmap_remove(b->manager->button_fds, INT_TO_PTR(b->fd + 1));
- assert_se(epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_DEL, b->fd, NULL) == 0);
- close_nointr_nofail(b->fd);
+ /* If the device has been unplugged close() returns
+ * ENODEV, let's ignore this, hence we don't use
+ * close_nointr_nofail() */
+ close(b->fd);
}
free(b->name);
return 0;
}
-int button_open(Button *b) {
- char name[256], *p;
- struct epoll_event ev;
- int r;
+static int button_recheck(sd_event_source *e, void *userdata) {
+ Button *b = userdata;
assert(b);
+ assert(b->lid_closed);
- if (b->fd >= 0) {
- close_nointr_nofail(b->fd);
- b->fd = -1;
- }
-
- p = strappend("/dev/input/", b->name);
- if (!p)
- return log_oom();
-
- b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- free(p);
- if (b->fd < 0) {
- log_warning("Failed to open %s: %m", b->name);
- return -errno;
- }
-
- if (ioctl(b->fd, EVIOCGNAME(sizeof(name)), name) < 0) {
- log_error("Failed to get input name: %m");
- r = -errno;
- goto fail;
- }
-
- zero(ev);
- ev.events = EPOLLIN;
- ev.data.u32 = FD_OTHER_BASE + b->fd;
-
- if (epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_ADD, b->fd, &ev) < 0) {
- log_error("Failed to add to epoll: %m");
- r = -errno;
- goto fail;
- }
-
- r = hashmap_put(b->manager->button_fds, INT_TO_PTR(b->fd + 1), b);
- if (r < 0) {
- log_error("Failed to add to hash map: %s", strerror(-r));
- assert_se(epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_DEL, b->fd, NULL) == 0);
- goto fail;
- }
-
- log_info("Watching system buttons on /dev/input/%s (%s)", b->name, name);
-
- return 0;
-
-fail:
- close_nointr_nofail(b->fd);
- b->fd = -1;
- return r;
-}
-
-static int lock_sessions(Manager *m) {
- Iterator i;
- Session *session;
-
- log_info("Locking sessions...");
-
- HASHMAP_FOREACH(session, m->sessions, i)
- session_send_lock(session, true);
-
+ manager_handle_action(b->manager, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false);
return 1;
}
-static int button_handle(
- Button *b,
- InhibitWhat inhibit_key,
- HandleButton handle,
- bool ignore_inhibited,
- bool is_edge) {
-
- static const char * const message_table[_HANDLE_BUTTON_MAX] = {
- [HANDLE_POWEROFF] = "Powering Off...",
- [HANDLE_REBOOT] = "Rebooting...",
- [HANDLE_HALT] = "Halting...",
- [HANDLE_KEXEC] = "Rebooting via kexec...",
- [HANDLE_SUSPEND] = "Suspending...",
- [HANDLE_HIBERNATE] = "Hibernating...",
- [HANDLE_HYBRID_SLEEP] = "Hibernating and suspend..."
- };
-
- static const char * const target_table[_HANDLE_BUTTON_MAX] = {
- [HANDLE_POWEROFF] = SPECIAL_POWEROFF_TARGET,
- [HANDLE_REBOOT] = SPECIAL_REBOOT_TARGET,
- [HANDLE_HALT] = SPECIAL_HALT_TARGET,
- [HANDLE_KEXEC] = SPECIAL_KEXEC_TARGET,
- [HANDLE_SUSPEND] = SPECIAL_SUSPEND_TARGET,
- [HANDLE_HIBERNATE] = SPECIAL_HIBERNATE_TARGET,
- [HANDLE_HYBRID_SLEEP] = SPECIAL_HYBRID_SLEEP_TARGET
- };
-
- DBusError error;
+static int button_install_check_event_source(Button *b) {
int r;
- InhibitWhat inhibit_operation;
-
assert(b);
- /* If the key handling is turned off, don't do anything */
- if (handle == HANDLE_IGNORE) {
- log_debug("Refusing key handling, as it is turned off.");
- return 0;
- }
+ /* Install a post handler, so that we keep rechecking as long as the lid is closed. */
- /* If the key handling is inhibited, don't do anything */
- if (manager_is_inhibited(b->manager, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0)) {
- log_debug("Refusing key handling, %s is inhibited.", inhibit_what_to_string(inhibit_key));
+ if (b->check_event_source)
return 0;
- }
-
- /* Locking is handled differently from the rest. */
- if (handle == HANDLE_LOCK)
- return lock_sessions(b->manager);
-
- inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE || handle == HANDLE_HYBRID_SLEEP ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
-
- /* If the actual operation is inhibited, warn and fail */
- if (!ignore_inhibited &&
- manager_is_inhibited(b->manager, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0)) {
-
-
- /* If this is just a recheck of the lid switch then don't warn about anything */
- if (!is_edge) {
- log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
- return 0;
- }
-
- log_error("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
- warn_melody();
- return -EPERM;
- }
-
- log_info("%s", message_table[handle]);
- /* We are executing the operation, so make sure we don't
- * execute another one until the lid is opened/closed again */
- b->lid_close_queued = false;
-
- dbus_error_init(&error);
- r = bus_manager_shutdown_or_sleep_now_or_later(b->manager, target_table[handle], inhibit_operation, &error);
- if (r < 0) {
- log_error("Failed to execute operation: %s", bus_error_message(&error));
- dbus_error_free(&error);
+ r = sd_event_add_post(b->manager->event, &b->check_event_source, button_recheck, b);
+ if (r < 0)
return r;
- }
- return 1;
+ return sd_event_source_set_priority(b->check_event_source, SD_EVENT_PRIORITY_IDLE+1);
}
-int button_process(Button *b) {
+static int button_dispatch(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ Button *b = userdata;
struct input_event ev;
ssize_t l;
+ assert(s);
+ assert(fd == b->fd);
assert(b);
l = read(b->fd, &ev, sizeof(ev));
case KEY_POWER:
case KEY_POWER2:
- log_info("Power key pressed.");
- return button_handle(b, INHIBIT_HANDLE_POWER_KEY, b->manager->handle_power_key, b->manager->power_key_ignore_inhibited, true);
+ log_struct(LOG_INFO,
+ "MESSAGE=Power key pressed.",
+ MESSAGE_ID(SD_MESSAGE_POWER_KEY),
+ NULL);
+
+ manager_handle_action(b->manager, INHIBIT_HANDLE_POWER_KEY, b->manager->handle_power_key, b->manager->power_key_ignore_inhibited, true);
+ break;
/* The kernel is a bit confused here:
*/
case KEY_SLEEP:
- log_info("Suspend key pressed.");
- return button_handle(b, INHIBIT_HANDLE_SUSPEND_KEY, b->manager->handle_suspend_key, b->manager->suspend_key_ignore_inhibited, true);
+ log_struct(LOG_INFO,
+ "MESSAGE=Suspend key pressed.",
+ MESSAGE_ID(SD_MESSAGE_SUSPEND_KEY),
+ NULL);
+
+ manager_handle_action(b->manager, INHIBIT_HANDLE_SUSPEND_KEY, b->manager->handle_suspend_key, b->manager->suspend_key_ignore_inhibited, true);
+ break;
case KEY_SUSPEND:
- log_info("Hibernate key pressed.");
- return button_handle(b, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true);
+ log_struct(LOG_INFO,
+ "MESSAGE=Hibernate key pressed.",
+ MESSAGE_ID(SD_MESSAGE_HIBERNATE_KEY),
+ NULL);
+
+ manager_handle_action(b->manager, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true);
+ break;
}
} else if (ev.type == EV_SW && ev.value > 0) {
- switch (ev.code) {
+ if (ev.code == SW_LID) {
+ log_struct(LOG_INFO,
+ "MESSAGE=Lid closed.",
+ MESSAGE_ID(SD_MESSAGE_LID_CLOSED),
+ NULL);
- case SW_LID:
- log_info("Lid closed.");
- b->lid_close_queued = true;
+ b->lid_closed = true;
+ manager_handle_action(b->manager, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true);
+ button_install_check_event_source(b);
- return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true);
+ } else if (ev.code == SW_DOCK) {
+ log_struct(LOG_INFO,
+ "MESSAGE=System docked.",
+ MESSAGE_ID(SD_MESSAGE_SYSTEM_DOCKED),
+ NULL);
+
+ b->docked = true;
}
} else if (ev.type == EV_SW && ev.value == 0) {
- switch (ev.code) {
+ if (ev.code == SW_LID) {
+ log_struct(LOG_INFO,
+ "MESSAGE=Lid opened.",
+ MESSAGE_ID(SD_MESSAGE_LID_OPENED),
+ NULL);
- case SW_LID:
- log_info("Lid opened.");
- b->lid_close_queued = false;
- break;
+ b->lid_closed = false;
+ b->check_event_source = sd_event_source_unref(b->check_event_source);
+
+ } else if (ev.code == SW_DOCK) {
+ log_struct(LOG_INFO,
+ "MESSAGE=System undocked.",
+ MESSAGE_ID(SD_MESSAGE_SYSTEM_UNDOCKED),
+ NULL);
+
+ b->docked = false;
}
}
return 0;
}
-int button_recheck(Button *b) {
+int button_open(Button *b) {
+ char *p, name[256];
+ int r;
+
assert(b);
- if (!b->lid_close_queued)
- return 0;
+ if (b->fd >= 0) {
+ close(b->fd);
+ b->fd = -1;
+ }
+
+ p = strappenda("/dev/input/", b->name);
+
+ b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
+ if (b->fd < 0) {
+ log_warning("Failed to open %s: %m", b->name);
+ return -errno;
+ }
+
+ if (ioctl(b->fd, EVIOCGNAME(sizeof(name)), name) < 0) {
+ log_error("Failed to get input name: %m");
+ r = -errno;
+ goto fail;
+ }
+
+ r = sd_event_add_io(b->manager->event, &b->io_event_source, b->fd, EPOLLIN, button_dispatch, b);
+ if (r < 0) {
+ log_error("Failed to add button event: %s", strerror(-r));
+ goto fail;
+ }
+
+ log_info("Watching system buttons on /dev/input/%s (%s)", b->name, name);
- return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false);
+ return 0;
+
+fail:
+ close(b->fd);
+ b->fd = -1;
+ return r;
}
-static const char* const handle_button_table[_HANDLE_BUTTON_MAX] = {
- [HANDLE_IGNORE] = "ignore",
- [HANDLE_POWEROFF] = "poweroff",
- [HANDLE_REBOOT] = "reboot",
- [HANDLE_HALT] = "halt",
- [HANDLE_KEXEC] = "kexec",
- [HANDLE_SUSPEND] = "suspend",
- [HANDLE_HIBERNATE] = "hibernate",
- [HANDLE_HYBRID_SLEEP] = "hybrid-sleep",
- [HANDLE_LOCK] = "lock"
-};
-DEFINE_STRING_TABLE_LOOKUP(handle_button, HandleButton);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_handle_button, handle_button, HandleButton, "Failed to parse handle button setting");
+int button_check_switches(Button *b) {
+ uint8_t switches[SW_MAX/8+1] = {};
+ assert(b);
+
+ if (b->fd < 0)
+ return -EINVAL;
+
+ if (ioctl(b->fd, EVIOCGSW(sizeof(switches)), switches) < 0)
+ return -errno;
+
+ b->lid_closed = (switches[SW_LID/8] >> (SW_LID % 8)) & 1;
+ b->docked = (switches[SW_DOCK/8] >> (SW_DOCK % 8)) & 1;
+
+ if (b->lid_closed)
+ button_install_check_event_source(b);
+
+ return 0;
+}
~ianmdlvl / elogind.git / blobdiff