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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/libsystemd/sd-bus/bus-protocol.h | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/libsystemd/sd-bus/bus-protocol.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/bus-protocol.h b/src/libsystemd/sd-bus/bus-protocol.h new file mode 100644 index 0000000..be46b5f --- /dev/null +++ b/src/libsystemd/sd-bus/bus-protocol.h @@ -0,0 +1,88 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include <endian.h> + +#include "macro.h" + +/* Packet header */ + +struct _packed_ bus_header { + uint8_t endian; + uint8_t type; + uint8_t flags; + uint8_t version; + uint32_t body_size; + /* Note that what the bus spec calls "serial" we'll call "cookie" instead, because we don't + * want to imply that the cookie was in any way monotonically increasing. */ + uint32_t serial; + uint32_t fields_size; +}; + +/* Endianness */ + +enum { + _BUS_INVALID_ENDIAN = 0, + BUS_LITTLE_ENDIAN = 'l', + BUS_BIG_ENDIAN = 'B', +#if __BYTE_ORDER == __BIG_ENDIAN + BUS_NATIVE_ENDIAN = BUS_BIG_ENDIAN, + BUS_REVERSE_ENDIAN = BUS_LITTLE_ENDIAN +#else + BUS_NATIVE_ENDIAN = BUS_LITTLE_ENDIAN, + BUS_REVERSE_ENDIAN = BUS_BIG_ENDIAN +#endif +}; + +/* Flags */ + +enum { + BUS_MESSAGE_NO_REPLY_EXPECTED = 1 << 0, + BUS_MESSAGE_NO_AUTO_START = 1 << 1, + BUS_MESSAGE_ALLOW_INTERACTIVE_AUTHORIZATION = 1 << 2, +}; + +/* Header fields */ + +enum { + _BUS_MESSAGE_HEADER_INVALID = 0, + BUS_MESSAGE_HEADER_PATH, + BUS_MESSAGE_HEADER_INTERFACE, + BUS_MESSAGE_HEADER_MEMBER, + BUS_MESSAGE_HEADER_ERROR_NAME, + BUS_MESSAGE_HEADER_REPLY_SERIAL, + BUS_MESSAGE_HEADER_DESTINATION, + BUS_MESSAGE_HEADER_SENDER, + BUS_MESSAGE_HEADER_SIGNATURE, + BUS_MESSAGE_HEADER_UNIX_FDS, + _BUS_MESSAGE_HEADER_MAX +}; + +/* RequestName parameters */ + +enum { + BUS_NAME_ALLOW_REPLACEMENT = 1 << 0, + BUS_NAME_REPLACE_EXISTING = 1 << 1, + BUS_NAME_DO_NOT_QUEUE = 1 << 2, +}; + +/* RequestName returns */ +enum { + BUS_NAME_PRIMARY_OWNER = 1, + BUS_NAME_IN_QUEUE = 2, + BUS_NAME_EXISTS = 3, + BUS_NAME_ALREADY_OWNER = 4 +}; + +/* ReleaseName returns */ +enum { + BUS_NAME_RELEASED = 1, + BUS_NAME_NON_EXISTENT = 2, + BUS_NAME_NOT_OWNER = 3, +}; + +/* StartServiceByName returns */ +enum { + BUS_START_REPLY_SUCCESS = 1, + BUS_START_REPLY_ALREADY_RUNNING = 2, +}; |