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Diffstat (limited to 'src/libsystemd-bus/sd-bus.h')
-rw-r--r-- | src/libsystemd-bus/sd-bus.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/libsystemd-bus/sd-bus.h b/src/libsystemd-bus/sd-bus.h new file mode 100644 index 0000000000..6d53d5afd8 --- /dev/null +++ b/src/libsystemd-bus/sd-bus.h @@ -0,0 +1,135 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#ifndef foosdbushfoo +#define foosdbushfoo + +/*** + 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 <inttypes.h> +#include <sys/types.h> + +#include "sd-bus-protocol.h" + +typedef struct sd_bus sd_bus; +typedef struct sd_bus_message sd_bus_message; + +typedef struct { + const char *name; + const char *message; + int need_free; +} sd_bus_error; + +typedef int (*sd_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata); + +/* Connections */ + +int sd_bus_open_system(sd_bus **ret); +int sd_bus_open_user(sd_bus **ret); +int sd_bus_open_address(const char *address, sd_bus **ret); +int sd_bus_open_fd(int fd, sd_bus **ret); +void sd_bus_close(sd_bus *bus); + +sd_bus *sd_bus_ref(sd_bus *bus); +sd_bus *sd_bus_unref(sd_bus *bus); + +int sd_bus_is_running(sd_bus *bus); +int sd_bus_can_send(sd_bus *bus, char type); + +int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *serial); +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); +int sd_bus_send_with_reply_cancel(sd_bus *bus, uint64_t serial); +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); + +int sd_bus_get_fd(sd_bus *bus); +int sd_bus_get_events(sd_bus *bus); +int sd_bus_process(sd_bus *bus, sd_bus_message **r); +int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec); +int sd_bus_flush(sd_bus *bus); + +int sd_bus_add_filter(sd_bus *bus, sd_message_handler_t callback, void *userdata); +int sd_bus_remove_filter(sd_bus *bus, sd_message_handler_t callback, void *userdata); + +/* Message object */ + +int sd_bus_message_new_signal(sd_bus *bus, const char *path, const char *interface, const char *member, sd_bus_message **m); +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); +int sd_bus_message_new_method_return(sd_bus *bus, sd_bus_message *call, sd_bus_message **m); +int sd_bus_message_new_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m); + +sd_bus_message* sd_bus_message_ref(sd_bus_message *m); +sd_bus_message* sd_bus_message_unref(sd_bus_message *m); + +int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type); +int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial); +int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial); +int sd_bus_message_get_no_reply(sd_bus_message *m); + +const char *sd_bus_message_get_path(sd_bus_message *m); +const char *sd_bus_message_get_interface(sd_bus_message *m); +const char *sd_bus_message_get_member(sd_bus_message *m); +const char *sd_bus_message_get_destination(sd_bus_message *m); +const char *sd_bus_message_get_sender(sd_bus_message *m); +const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m); + +int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid); +int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid); +int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid); +int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid); + +int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member); +int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member); +int sd_bus_message_is_method_error(sd_bus_message *m, const char *name); + +int sd_bus_message_set_no_reply(sd_bus_message *m, int b); +int sd_bus_message_set_destination(sd_bus_message *m, const char *destination); + +int sd_bus_message_append(sd_bus_message *m, const char *types, ...); +int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p); +int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents); +int sd_bus_message_close_container(sd_bus_message *m); + +int sd_bus_message_read_type(sd_bus_message *m, char *type, char *element, size_t *length); +int sd_bus_message_read_basic(sd_bus_message *m, char type, char element, const void **p, size_t *length); +int sd_bus_message_read(sd_bus_message *m, const char *types, ...); + +/* Bus management */ + +const char *sd_bus_get_unique_name(sd_bus *bus); +int sd_bus_request_name(sd_bus *bus, const char *name, int flags); +int sd_bus_release_name(sd_bus *bus, const char *name); +int sd_bus_list_names(sd_bus *bus, char ***l); +int sd_bus_get_owner(sd_bus *bus, const char *name, char **owner); +int sd_bus_get_owner_uid(sd_bus *bus, const char *name, uid_t *uid); +int sd_bus_get_owner_pid(sd_bus *bus, const char *name, pid_t *pid); +int sd_bus_add_match(sd_bus *bus, const char *match); +int sd_bus_remove_match(sd_bus *bus, const char *match); + +/* Error objects */ + +#define SD_BUS_ERROR_INIT (NULL, NULL, false) + +void sd_bus_error_free(sd_bus_error *e); +int sd_bus_error_set(sd_bus_error *e, const char *name, const char *format, ...); +void sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message); +int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e); +int sd_bus_error_is_set(const sd_bus_error *e); +int sd_bus_error_has_name(const sd_bus_error *e, const char *name); + +#endif |