diff options
Diffstat (limited to 'backend/drm/session.c')
-rw-r--r-- | backend/drm/session.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/backend/drm/session.c b/backend/drm/session.c deleted file mode 100644 index 073f822b..00000000 --- a/backend/drm/session.c +++ /dev/null @@ -1,219 +0,0 @@ -#define _POSIX_C_SOURCE 200809L - -#include <stdio.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <systemd/sd-bus.h> -#include <systemd/sd-login.h> -#include <unistd.h> -#include <sys/sysmacros.h> -#include <sys/stat.h> -#include <fcntl.h> - -#include "backend/drm/backend.h" -#include "backend/drm/session.h" -#include "common/log.h" - -int wlr_session_take_device(struct wlr_session *restrict session, - const char *restrict path, - bool *restrict paused_out) -{ - int ret; - int fd = -1; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - struct stat st; - if (stat(path, &st) < 0) { - wlr_log(L_ERROR, "Failed to stat '%s'", path); - return -1; - } - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "TakeDevice", - &error, &msg, - "uu", major(st.st_rdev), minor(st.st_rdev)); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to take device '%s': %s", path, error.message); - goto error; - } - - int paused = 0; - ret = sd_bus_message_read(msg, "hb", &fd, &paused); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to parse DBus response for '%s': %s", - path, strerror(-ret)); - goto error; - } - - // The original fd seem to be closed when the message is freed - // so we just clone it. - fd = fcntl(fd, F_DUPFD_CLOEXEC, 0); - if (fd == -1) { - wlr_log(L_ERROR, "Failed to clone file descriptor for '%s': %s", - path, strerror(errno)); - goto error; - } - - if (paused_out) - *paused_out = paused; - -error: - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return fd; -} - -void wlr_session_release_device(struct wlr_session *session, int fd) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - struct stat st; - if (fstat(fd, &st) < 0) { - wlr_log(L_ERROR, "Failed to stat device '%d'", fd); - return; - } - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "ReleaseDevice", - &error, &msg, - "uu", major(st.st_rdev), minor(st.st_rdev)); - if (ret < 0) - wlr_log(L_ERROR, "Failed to release device '%d'", fd); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); -} - -static bool session_activate(struct wlr_session *session) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "Activate", - &error, &msg, - ""); - if (ret < 0) - wlr_log(L_ERROR, "Failed to activate session"); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return ret >= 0; -} - -static bool take_control(struct wlr_session *session) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "TakeControl", - &error, &msg, - "b", false); - if (ret < 0) - wlr_log(L_ERROR, "Failed to take control of session"); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return ret >= 0; -} - -static void release_control(struct wlr_session *session) -{ - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, - "org.freedesktop.login1", - session->path, - "org.freedesktop.login1.Session", - "ReleaseControl", - &error, &msg, - ""); - if (ret < 0) - wlr_log(L_ERROR, "Failed to release control of session"); - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); -} - -void wlr_session_end(struct wlr_session *session) -{ - release_control(session); - - sd_bus_unref(session->bus); - free(session->id); - free(session->path); - free(session->seat); -} - -bool wlr_session_start(struct wlr_session *session) -{ - int ret; - - ret = sd_pid_get_session(getpid(), &session->id); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to get session id: %s", strerror(-ret)); - goto error; - } - - ret = sd_session_get_seat(session->id, &session->seat); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to get seat id: %s", strerror(-ret)); - goto error; - } - - // This could be done using asprintf, but I don't want to define _GNU_SOURCE - - const char *fmt = "/org/freedesktop/login1/session/%s"; - int len = snprintf(NULL, 0, fmt, session->id); - - session->path = malloc(len + 1); - if (!session->path) - goto error; - - sprintf(session->path, fmt, session->id); - - ret = sd_bus_default_system(&session->bus); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to open DBus connection: %s", strerror(-ret)); - goto error; - } - - if (!session_activate(session)) - goto error_bus; - - if (!take_control(session)) - goto error_bus; - - return true; - -error_bus: - sd_bus_unref(session->bus); - -error: - free(session->path); - free(session->id); - free(session->seat); - return false; -} |