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/*
* Copyright (c) 2002-2013 Balabit
* Copyright (c) 1998-2013 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "service-management.h"
#include "messages.h"
#if SYSLOG_NG_ENABLE_SYSTEMD
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <systemd/sd-daemon.h>
#endif
typedef struct _ServiceManagement ServiceManagement;
struct _ServiceManagement
{
ServiceManagementType type;
void (*publish_status)(const gchar *status);
void (*clear_status)(void);
void (*indicate_readiness)(void);
gboolean (*is_active)(void);
};
ServiceManagement *current_service_mgmt = NULL;
#if SYSLOG_NG_ENABLE_SYSTEMD
static inline void
service_management_systemd_publish_status(const gchar *status)
{
gchar *status_buffer;
time_t now = time(NULL);
status_buffer = g_strdup_printf("STATUS=%s (%s)", status, ctime(&now));
sd_notify(0, status_buffer);
g_free(status_buffer);
}
static inline void
service_management_systemd_clear_status(void)
{
sd_notify(0, "STATUS=");
}
static inline void
service_management_systemd_indicate_readiness(void)
{
sd_notify(0, "READY=1");
}
static gboolean
service_management_systemd_is_active(void)
{
struct stat st;
if (lstat("/run/systemd/system/", &st) < 0 || !S_ISDIR(st.st_mode))
{
msg_debug("Systemd is not detected as the running init system");
return FALSE;
}
else
{
msg_debug("Systemd is detected as the running init system");
return TRUE;
}
}
#endif
void
service_management_publish_status(const gchar *status)
{
current_service_mgmt->publish_status(status);
}
void
service_management_clear_status(void)
{
current_service_mgmt->clear_status();
}
void
service_management_indicate_readiness(void)
{
current_service_mgmt->indicate_readiness();
}
ServiceManagementType
service_management_get_type(void)
{
return current_service_mgmt->type;
}
static inline void
service_management_dummy_publish_status(const gchar *status)
{
}
static inline void
service_management_dummy_clear_status(void)
{
}
static inline void
service_management_dummy_indicate_readiness(void)
{
}
static gboolean
service_management_dummy_is_active(void)
{
return TRUE;
}
ServiceManagement service_managements[] =
{
{
.type = SMT_NONE,
.publish_status = service_management_dummy_publish_status,
.clear_status = service_management_dummy_clear_status,
.indicate_readiness = service_management_dummy_indicate_readiness,
.is_active = service_management_dummy_is_active
},
#if SYSLOG_NG_ENABLE_SYSTEMD
{
.type = SMT_SYSTEMD,
.publish_status = service_management_systemd_publish_status,
.clear_status = service_management_systemd_clear_status,
.indicate_readiness = service_management_systemd_indicate_readiness,
.is_active = service_management_systemd_is_active
}
#endif
};
void
service_management_init(void)
{
gint i = 0;
while (i < sizeof(service_managements) / sizeof(ServiceManagement))
{
if (service_managements[i].is_active())
current_service_mgmt = &service_managements[i];
i++;
}
}
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