29f6aadd53
If nobody keeps the serial number of an outgoing message we know that nobody expects an answer to it, so set the no_reply flag accordingly.
157 lines
6.4 KiB
C
157 lines
6.4 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#ifndef foosdbushfoo
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#define foosdbushfoo
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/***
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This file is part of systemd.
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Copyright 2013 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <inttypes.h>
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#include <sys/types.h>
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#include "sd-bus-protocol.h"
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/* TODO:
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*
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* - make unix fd passing work
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* - add page donation logic
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* - api for appending/reading fixed arrays
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* - always verify container depth
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* - handle NULL strings nicer when appending
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* - merge busctl into systemctl or so?
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* - add object handlers
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* - add peer message handlers
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* - verify object paths
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* - when reading a message, verify its size
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* - add limits to wqueue and rqueue alike
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*/
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typedef struct sd_bus sd_bus;
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typedef struct sd_bus_message sd_bus_message;
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typedef struct {
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const char *name;
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const char *message;
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int need_free;
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} sd_bus_error;
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typedef int (*sd_message_handler_t)(sd_bus *bus, int ret, sd_bus_message *m, void *userdata);
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/* Connections */
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int sd_bus_open_system(sd_bus **ret);
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int sd_bus_open_user(sd_bus **ret);
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int sd_bus_open_address(const char *address, sd_bus **ret);
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int sd_bus_open_fd(int fd, sd_bus **ret);
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void sd_bus_close(sd_bus *bus);
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sd_bus *sd_bus_ref(sd_bus *bus);
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sd_bus *sd_bus_unref(sd_bus *bus);
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int sd_bus_is_open(sd_bus *bus);
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int sd_bus_is_running(sd_bus *bus);
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int sd_bus_can_send(sd_bus *bus, char type);
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int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *serial);
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int sd_bus_send_with_reply(sd_bus *bus, sd_bus_message *m, sd_message_handler_t callback, void *userdata, uint64_t usec, uint64_t *serial);
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int sd_bus_send_with_reply_cancel(sd_bus *bus, uint64_t serial);
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int sd_bus_send_with_reply_and_block(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *error, sd_bus_message **r);
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int sd_bus_get_fd(sd_bus *bus);
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int sd_bus_get_events(sd_bus *bus);
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int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec);
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int sd_bus_process(sd_bus *bus, sd_bus_message **r);
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int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
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int sd_bus_flush(sd_bus *bus);
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int sd_bus_add_filter(sd_bus *bus, sd_message_handler_t callback, void *userdata);
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int sd_bus_remove_filter(sd_bus *bus, sd_message_handler_t callback, void *userdata);
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/* Message object */
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int sd_bus_message_new_signal(sd_bus *bus, const char *path, const char *interface, const char *member, sd_bus_message **m);
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int sd_bus_message_new_method_call(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message **m);
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int sd_bus_message_new_method_return(sd_bus *bus, sd_bus_message *call, sd_bus_message **m);
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int sd_bus_message_new_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m);
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sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
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sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
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int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type);
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int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial);
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int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial);
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int sd_bus_message_get_no_reply(sd_bus_message *m);
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const char *sd_bus_message_get_path(sd_bus_message *m);
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const char *sd_bus_message_get_interface(sd_bus_message *m);
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const char *sd_bus_message_get_member(sd_bus_message *m);
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const char *sd_bus_message_get_destination(sd_bus_message *m);
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const char *sd_bus_message_get_sender(sd_bus_message *m);
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const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m);
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int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid);
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int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid);
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int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid);
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int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid);
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int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member);
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int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member);
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int sd_bus_message_is_method_error(sd_bus_message *m, const char *name);
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int sd_bus_message_set_no_reply(sd_bus_message *m, int b);
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int sd_bus_message_set_destination(sd_bus_message *m, const char *destination);
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int sd_bus_message_append(sd_bus_message *m, const char *types, ...);
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int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p);
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int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
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int sd_bus_message_close_container(sd_bus_message *m);
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int sd_bus_message_read(sd_bus_message *m, const char *types, ...);
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int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p);
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int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents);
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int sd_bus_message_exit_container(sd_bus_message *m);
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int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
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int sd_bus_message_rewind(sd_bus_message *m, int complete);
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/* Bus management */
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const char *sd_bus_get_unique_name(sd_bus *bus);
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int sd_bus_request_name(sd_bus *bus, const char *name, int flags);
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int sd_bus_release_name(sd_bus *bus, const char *name);
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int sd_bus_list_names(sd_bus *bus, char ***l);
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int sd_bus_get_owner(sd_bus *bus, const char *name, char **owner);
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int sd_bus_get_owner_uid(sd_bus *bus, const char *name, uid_t *uid);
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int sd_bus_get_owner_pid(sd_bus *bus, const char *name, pid_t *pid);
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int sd_bus_add_match(sd_bus *bus, const char *match);
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int sd_bus_remove_match(sd_bus *bus, const char *match);
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/* Error structures */
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#define SD_BUS_ERROR_INIT {NULL, NULL, 0}
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#define SD_BUS_ERROR_INIT_CONST(name, message) {(name), (message), 0}
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void sd_bus_error_free(sd_bus_error *e);
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int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...);
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void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
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int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
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int sd_bus_error_is_set(const sd_bus_error *e);
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int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
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#endif
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