1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2013 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU Lesser General Public License as published by
12 the Free Software Foundation; either version 2.1 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include <sys/socket.h>
31 #include "time-util.h"
33 struct bus_container {
53 struct sd_bus_message {
56 uint32_t reply_serial;
59 const char *interface;
61 const char *destination;
85 struct bus_header *header;
88 struct kdbus_msg *kdbus;
97 struct bus_container root_container, *containers;
98 unsigned n_containers;
100 struct iovec iovec[3];
103 char *peeked_signature;
107 char sender_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
108 char destination_buffer[3 + DECIMAL_STR_MAX(uint64_t) + 1];
112 const char *tid_comm;
115 size_t cmdline_length;
117 char **cmdline_array;
120 #define BUS_MESSAGE_NEED_BSWAP(m) ((m)->header->endian != SD_BUS_NATIVE_ENDIAN)
122 static inline uint16_t BUS_MESSAGE_BSWAP16(sd_bus_message *m, uint16_t u) {
123 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_16(u) : u;
126 static inline uint32_t BUS_MESSAGE_BSWAP32(sd_bus_message *m, uint32_t u) {
127 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_32(u) : u;
130 static inline uint64_t BUS_MESSAGE_BSWAP64(sd_bus_message *m, uint64_t u) {
131 return BUS_MESSAGE_NEED_BSWAP(m) ? bswap_64(u) : u;
134 static inline uint32_t BUS_MESSAGE_SERIAL(sd_bus_message *m) {
135 return BUS_MESSAGE_BSWAP32(m, m->header->serial);
138 static inline uint32_t BUS_MESSAGE_BODY_SIZE(sd_bus_message *m) {
139 return BUS_MESSAGE_BSWAP32(m, m->header->body_size);
142 static inline uint32_t BUS_MESSAGE_FIELDS_SIZE(sd_bus_message *m) {
143 return BUS_MESSAGE_BSWAP32(m, m->header->fields_size);
146 static inline uint32_t BUS_MESSAGE_SIZE(sd_bus_message *m) {
148 sizeof(struct bus_header) +
149 ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) +
150 BUS_MESSAGE_BODY_SIZE(m);
153 static inline void bus_message_unrefp(sd_bus_message **m) {
154 sd_bus_message_unref(*m);
157 #define _cleanup_bus_message_unref_ __attribute__((cleanup(bus_message_unrefp)))
159 int bus_message_seal(sd_bus_message *m, uint64_t serial);
160 int bus_message_dump(sd_bus_message *m);
161 int bus_message_get_blob(sd_bus_message *m, void **buffer, size_t *sz);
162 int bus_message_read_strv_extend(sd_bus_message *m, char ***l);
164 int bus_message_from_header(
169 const struct ucred *ucred,
172 sd_bus_message **ret);
174 int bus_message_from_malloc(
179 const struct ucred *ucred,
181 sd_bus_message **ret);
183 const char* bus_message_get_arg(sd_bus_message *m, unsigned i);
185 int bus_message_append_ap(sd_bus_message *m, const char *types, va_list ap);
187 int bus_message_parse_fields(sd_bus_message *m);
189 int bus_header_size(struct bus_header *h, size_t *sum);