diff options
Diffstat (limited to 'minecproxy/systemd.c')
| -rw-r--r-- | minecproxy/systemd.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/minecproxy/systemd.c b/minecproxy/systemd.c deleted file mode 100644 index 94d5b8b..0000000 --- a/minecproxy/systemd.c +++ /dev/null @@ -1,164 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include <string.h> -#include <stdlib.h> -#include <systemd/sd-bus.h> -#include <errno.h> - -#include "main.h" -#include "server.h" -#include "systemd.h" -#include "config.h" - -void systemd_delete() -{ - assert_return_silent(cfg->sd_bus); - - sd_bus_unref(cfg->sd_bus); - cfg->sd_bus = NULL; -} - -static sd_bus *get_bus() -{ - int r; - - if (cfg->sd_bus_failed) - return NULL; - - if (!cfg->sd_bus) { - r = sd_bus_open_user(&cfg->sd_bus); - if (r < 0) { - error("failed to connect to user system bus: %s", - strerror(-r)); - cfg->sd_bus_failed = true; - return NULL; - } - } - - return cfg->sd_bus; -} - -/* - * Check if a systemd service is running. - * - * This is equivalent to (assuming service mc@world1): - * gdbus call --session - * --dest org.freedesktop.systemd1 - * --object-path /org/freedesktop/systemd1/unit/mc_40world1_2eservice - * --method org.freedesktop.DBus.Properties.Get - * "org.freedesktop.systemd1.Unit" - * "ActiveState" - */ -bool systemd_service_running(struct server *server) -{ - sd_bus *bus = get_bus(); - sd_bus_error error = SD_BUS_ERROR_NULL; - char *status = NULL; - bool running = false; - int r; - - assert_return(server && bus && server->scfg.systemd_service && - server->scfg.systemd_obj, - false); - -again: - r = sd_bus_get_property_string(bus, SYSTEMD_DBUS_SERVICE, - server->scfg.systemd_obj, - SYSTEMD_DBUS_INTERFACE, "ActiveState", - &error, &status); - if (r < 0) { - if (sd_bus_error_get_errno(&error) == EINTR) - goto again; - - error("failed to get status for service %s (%s): %s", - server->scfg.systemd_service, server->scfg.systemd_obj, - error.message); - goto out; - } - - if (streq(status, "active")) { - running = true; - debug(DBG_SYSD, "systemd service %s (%s) is active", - server->scfg.systemd_service, server->scfg.systemd_obj); - } else - debug(DBG_SYSD, "systemd service %s (%s) is not active", - server->scfg.systemd_service, server->scfg.systemd_obj); - -out: - free(status); - sd_bus_error_free(&error); - return running; -} - -static bool systemd_service_action(struct server *server, const char *action) -{ - sd_bus_error error = SD_BUS_ERROR_NULL; - sd_bus_message *m = NULL; - sd_bus *bus = get_bus(); - const char *path; - bool performed = false; - int r; - - assert_return(server && bus && server->scfg.systemd_service && - server->scfg.systemd_obj && action, - false); - -again: - r = sd_bus_call_method(bus, SYSTEMD_DBUS_SERVICE, server->scfg.systemd_obj, - SYSTEMD_DBUS_INTERFACE, action, &error, &m, "s", - "fail"); - if (r < 0) { - if (sd_bus_error_get_errno(&error) == EINTR) - goto again; - - error("failed to perform action %s on systemd service %s: %s", - action, server->scfg.systemd_service, error.message); - goto out; - } - - r = sd_bus_message_read(m, "o", &path); - if (r < 0) { - error("failed to parse response message: %s", strerror(-r)); - goto out; - } - - verbose("action %s queued for service %s", action, - server->scfg.systemd_service); - performed = true; - -out: - sd_bus_error_free(&error); - sd_bus_message_unref(m); - return performed; -} - -/* - * Stop systemd service. - * - * This is equivalent to (assuming service mc@world1): - * gdbus call --session - * --dest org.freedesktop.systemd1 - * --object-path /org/freedesktop/systemd1/unit/mc_40world1_2eservice - * --method org.freedesktop.systemd1.Unit.Stop "fail" - */ -bool systemd_service_stop(struct server *server) -{ - assert_return(server, false); - - return systemd_service_action(server, "Stop"); -} - -/* - * Start systemd service. - * - * This is equivalent to (assuming service mc@world1): - * gdbus call --session - * --dest org.freedesktop.systemd1 - * --object-path /org/freedesktop/systemd1/unit/mc_40world1_2eservice - * --method org.freedesktop.systemd1.Unit.Start "fail" - */ -bool systemd_service_start(struct server *server) -{ - assert_return(server, false); - - return systemd_service_action(server, "Start"); -} |