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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/libsystemd/sd-bus/bus-protocol.h
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libsystemd/sd-bus/bus-protocol.h')
-rw-r--r--src/libsystemd/sd-bus/bus-protocol.h88
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
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+++ b/src/libsystemd/sd-bus/bus-protocol.h
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+/* 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,
+};