/usr/include/corosync/confdb.h is in libconfdb-dev 1.4.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2008-2010 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Christine Caulfield (ccaulfi@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef COROSYNC_CONFDB_H_DEFINED
#define COROSYNC_CONFDB_H_DEFINED
#include <corosync/corotypes.h>
#include <corosync/hdb.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup confdb_corosync
*
* @{
*/
typedef uint64_t confdb_handle_t;
#define OBJECT_PARENT_HANDLE 0xFFFFFFFF00000000ULL
typedef enum {
CONFDB_VALUETYPE_INT16,
CONFDB_VALUETYPE_UINT16,
CONFDB_VALUETYPE_INT32,
CONFDB_VALUETYPE_UINT32,
CONFDB_VALUETYPE_INT64,
CONFDB_VALUETYPE_UINT64,
CONFDB_VALUETYPE_FLOAT,
CONFDB_VALUETYPE_DOUBLE,
CONFDB_VALUETYPE_STRING,
CONFDB_VALUETYPE_ANY,
} confdb_value_types_t;
typedef enum {
CONFDB_TRACK_DEPTH_ONE,
CONFDB_TRACK_DEPTH_RECURSIVE
} confdb_track_depth_t;
typedef enum {
OBJECT_KEY_CREATED,
OBJECT_KEY_REPLACED,
OBJECT_KEY_DELETED,
} confdb_change_type_t;
typedef enum {
CONFDB_RELOAD_NOTIFY_START,
CONFDB_RELOAD_NOTIFY_END,
CONFDB_RELOAD_NOTIFY_FAILED
} confdb_reload_type_t;
typedef void (*confdb_key_change_notify_fn_t) (
confdb_handle_t handle,
confdb_change_type_t change_type,
hdb_handle_t parent_object_handle,
hdb_handle_t object_handle,
const void *object_name,
size_t object_name_len,
const void *key_name,
size_t key_name_len,
const void *key_value,
size_t key_value_len);
typedef void (*confdb_object_create_notify_fn_t) (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
hdb_handle_t object_handle,
const void *name_pt,
size_t name_len);
typedef void (*confdb_object_delete_notify_fn_t) (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *name_pt,
size_t name_len);
typedef void (*confdb_reload_notify_fn_t) (
confdb_handle_t handle,
confdb_reload_type_t type);
typedef struct {
confdb_object_create_notify_fn_t confdb_object_create_change_notify_fn;
confdb_object_delete_notify_fn_t confdb_object_delete_change_notify_fn;
confdb_key_change_notify_fn_t confdb_key_change_notify_fn;
confdb_reload_notify_fn_t confdb_reload_notify_fn;
} confdb_callbacks_t;
/** @} */
/*
* Create a new confdb connection
*/
cs_error_t confdb_initialize (
confdb_handle_t *handle,
confdb_callbacks_t *callbacks);
/*
* Close the confdb handle
*/
cs_error_t confdb_finalize (
confdb_handle_t handle);
/*
* Write back the configuration
*/
cs_error_t confdb_write (
confdb_handle_t handle,
char *error_text,
size_t errbuf_len);
/*
* Reload the configuration
*/
cs_error_t confdb_reload (
confdb_handle_t handle,
int flush,
char *error_text,
size_t errbuf_len);
/*
* Get a file descriptor on which to poll. confdb_handle_t is NOT a
* file descriptor and may not be used directly.
*/
cs_error_t confdb_fd_get (
confdb_handle_t handle,
int *fd);
/*
* Dispatch configuration changes
*/
cs_error_t confdb_dispatch (
confdb_handle_t handle,
cs_dispatch_flags_t dispatch_types);
/*
* Change notification
*/
cs_error_t confdb_track_changes (
confdb_handle_t handle,
hdb_handle_t object_handle,
unsigned int flags);
cs_error_t confdb_stop_track_changes (
confdb_handle_t handle);
/*
* Manipulate objects
*/
cs_error_t confdb_object_create (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *object_name,
size_t object_name_len,
hdb_handle_t *object_handle);
cs_error_t confdb_object_destroy (
confdb_handle_t handle,
hdb_handle_t object_handle);
cs_error_t confdb_object_parent_get (
confdb_handle_t handle,
hdb_handle_t object_handle,
hdb_handle_t *parent_object_handle);
cs_error_t confdb_object_name_get (
confdb_handle_t handle,
hdb_handle_t object_handle,
char *object_name,
size_t *object_name_len);
/*
* Manipulate keys
*/
cs_error_t confdb_key_create (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *key_name,
size_t key_name_len,
const void *value,
size_t value_len);
cs_error_t confdb_key_create_typed (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const char *key_name,
const void *value,
size_t value_len,
confdb_value_types_t type);
cs_error_t confdb_key_delete (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *key_name,
size_t key_name_len,
const void *value,
size_t value_len);
/*
* Key queries
*/
cs_error_t confdb_key_get (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *key_name,
size_t key_name_len,
void *value,
size_t *value_len);
cs_error_t confdb_key_get_typed (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const char *key_name,
void *value,
size_t *value_len,
confdb_value_types_t *type);
cs_error_t confdb_key_replace (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *key_name,
size_t key_name_len,
const void *old_value,
size_t old_value_len,
const void *new_value,
size_t new_value_len);
cs_error_t confdb_key_increment (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *key_name,
size_t key_name_len,
unsigned int *value);
cs_error_t confdb_key_decrement (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *key_name,
size_t key_name_len,
unsigned int *value);
/*
* Object queries
* "find" loops through all objects of a given name and is also
* a quick way of finding a specific object,
* "iter" returns each object in sequence.
*/
cs_error_t confdb_object_find_start (
confdb_handle_t handle,
hdb_handle_t parent_object_handle);
cs_error_t confdb_object_find (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
const void *object_name,
size_t object_name_len,
hdb_handle_t *object_handle);
cs_error_t confdb_object_find_destroy(
confdb_handle_t handle,
hdb_handle_t parent_object_handle);
cs_error_t confdb_object_iter_start (
confdb_handle_t handle,
hdb_handle_t parent_object_handle);
cs_error_t confdb_object_iter (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
hdb_handle_t *object_handle,
void *object_name,
size_t *object_name_len);
cs_error_t confdb_object_iter_destroy(
confdb_handle_t handle,
hdb_handle_t parent_object_handle);
/*
* Key iterator
*/
cs_error_t confdb_key_iter_start (
confdb_handle_t handle,
hdb_handle_t object_handle);
cs_error_t confdb_key_iter (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
void *key_name,
size_t *key_name_len,
void *value,
size_t *value_len);
cs_error_t confdb_key_iter_typed (
confdb_handle_t handle,
hdb_handle_t parent_object_handle,
char *key_name,
void *value,
size_t *value_len,
confdb_value_types_t *type);
/*
* Get/set context variable
*/
cs_error_t confdb_context_get (
confdb_handle_t handle,
const void **context);
cs_error_t confdb_context_set (
confdb_handle_t handle,
const void *context);
#ifdef __cplusplus
}
#endif
#endif /* COROSYNC_CONFDB_H_DEFINED */
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