From 90e27b4356f2a6ab98e812c4096b0b76f94a8fb3 Mon Sep 17 00:00:00 2001
From: David Härdeman <david@hardeman.nu>
Date: Tue, 7 Jul 2020 18:41:38 +0200
Subject: Flesh out the ping implementation

---
 minecproxy/systemd.c | 164 ---------------------------------------------------
 1 file changed, 164 deletions(-)
 delete mode 100644 minecproxy/systemd.c

(limited to 'minecproxy/systemd.c')

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");
-}
-- 
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