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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "sd-event.h"
#include "sd-bus.h"
#include "hashmap.h"
#include "time-util.h"
#include "util.h"
typedef enum BusTransport {
BUS_TRANSPORT_LOCAL,
BUS_TRANSPORT_REMOTE,
BUS_TRANSPORT_CONTAINER,
_BUS_TRANSPORT_MAX,
_BUS_TRANSPORT_INVALID = -1
} BusTransport;
typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
struct bus_properties_map {
const char *member;
const char *signature;
bus_property_set_t set;
size_t offset;
};
int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
int bus_map_all_properties(sd_bus *bus,
const char *destination,
const char *path,
const struct bus_properties_map *map,
void *userdata);
int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name);
typedef bool (*check_idle_t)(void *userdata);
int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout, check_idle_t check_idle, void *userdata);
int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error);
int bus_check_peercred(sd_bus *c);
int bus_verify_polkit(sd_bus *bus, sd_bus_message *m, int capability, const char *action, bool interactive, bool *_challenge, sd_bus_error *e);
int bus_verify_polkit_async(sd_bus *bus, Hashmap **registry, sd_bus_message *m, int capability, const char *action, bool interactive, sd_bus_error *error, sd_bus_message_handler_t callback, void *userdata);
void bus_verify_polkit_async_registry_free(Hashmap *registry);
int bus_open_system_systemd(sd_bus **_bus);
int bus_open_user_systemd(sd_bus **_bus);
int bus_open_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
int bus_open_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
int bus_print_property(const char *name, sd_bus_message *property, bool all);
int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all);
int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
#define bus_property_get_usec ((sd_bus_property_get_t) NULL)
#define bus_property_set_usec ((sd_bus_property_set_t) NULL)
assert_cc(sizeof(int) == sizeof(int32_t));
#define bus_property_get_int ((sd_bus_property_get_t) NULL)
assert_cc(sizeof(unsigned) == sizeof(unsigned));
#define bus_property_get_unsigned ((sd_bus_property_get_t) NULL)
/* On 64bit machines we can use the default serializer for size_t and
* friends, otherwise we need to cast this manually */
#if __SIZEOF_SIZE_T__ == 8
#define bus_property_get_size ((sd_bus_property_get_t) NULL)
#else
int bus_property_get_size(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
#endif
#if __SIZEOF_LONG__ == 8
#define bus_property_get_long ((sd_bus_property_get_t) NULL)
#define bus_property_get_ulong ((sd_bus_property_get_t) NULL)
#else
int bus_property_get_long(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
int bus_property_get_ulong(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
#endif
/* uid_t and friends on Linux 32 bit. This means we can just use the
* default serializer for 32bit unsigned, for serializing it, and map
* it to NULL here */
assert_cc(sizeof(uid_t) == sizeof(uint32_t));
#define bus_property_get_uid ((sd_bus_property_get_t) NULL)
assert_cc(sizeof(gid_t) == sizeof(uint32_t));
#define bus_property_get_gid ((sd_bus_property_get_t) NULL)
assert_cc(sizeof(pid_t) == sizeof(uint32_t));
#define bus_property_get_pid ((sd_bus_property_get_t) NULL)
assert_cc(sizeof(mode_t) == sizeof(uint32_t));
#define bus_property_get_mode ((sd_bus_property_get_t) NULL)
int bus_log_parse_error(int r);
int bus_log_create_error(int r);
typedef struct UnitInfo {
const char *machine;
const char *id;
const char *description;
const char *load_state;
const char *active_state;
const char *sub_state;
const char *following;
const char *unit_path;
uint32_t job_id;
const char *job_type;
const char *job_path;
} UnitInfo;
int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u);
static inline void sd_bus_close_unrefp(sd_bus **bus) {
if (*bus) {
sd_bus_flush(*bus);
sd_bus_close(*bus);
sd_bus_unref(*bus);
}
}
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_unref);
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_slot*, sd_bus_slot_unref);
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_message*, sd_bus_message_unref);
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_creds*, sd_bus_creds_unref);
DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_track*, sd_bus_track_unref);
#define _cleanup_bus_unref_ _cleanup_(sd_bus_unrefp)
#define _cleanup_bus_close_unref_ _cleanup_(sd_bus_close_unrefp)
#define _cleanup_bus_slot_unref_ _cleanup_(sd_bus_slot_unrefp)
#define _cleanup_bus_message_unref_ _cleanup_(sd_bus_message_unrefp)
#define _cleanup_bus_creds_unref_ _cleanup_(sd_bus_creds_unrefp)
#define _cleanup_bus_track_unref_ _cleanup_(sd_bus_slot_unrefp)
#define _cleanup_bus_error_free_ _cleanup_(sd_bus_error_free)
#define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
int function(sd_bus *bus, \
const char *path, \
const char *interface, \
const char *property, \
sd_bus_message *reply, \
void *userdata, \
sd_bus_error *error) { \
\
const char *value; \
type *field = userdata; \
int r; \
\
assert(bus); \
assert(reply); \
assert(field); \
\
value = strempty(name##_to_string(*field)); \
\
r = sd_bus_message_append_basic(reply, 's', value); \
if (r < 0) \
return r; \
\
return 1; \
} \
struct __useless_struct_to_allow_trailing_semicolon__
#define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \
SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \
SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error);
int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment);
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