cfg.h

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/*
 * Copyright (c) 2005 MontaVista Software, Inc.
 * Copyright (c) 2006-2013 Red Hat, Inc.
 *
 * All rights reserved.
 *
 * Author: Steven Dake (sdake@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_CFG_H_DEFINED
#define COROSYNC_CFG_H_DEFINED
 
#include <netinet/in.h>
#include <corosync/corotypes.h>
 
typedef uint64_t corosync_cfg_handle_t;
 
typedef enum {
        COROSYNC_CFG_SHUTDOWN_FLAG_REQUEST = 0,
        COROSYNC_CFG_SHUTDOWN_FLAG_REGARDLESS = 1,
        COROSYNC_CFG_SHUTDOWN_FLAG_IMMEDIATE = 2,
} corosync_cfg_shutdown_flags_t;
 
typedef enum {
        COROSYNC_CFG_SHUTDOWN_FLAG_NO = 0,
        COROSYNC_CFG_SHUTDOWN_FLAG_YES = 1,
} corosync_cfg_shutdown_reply_flags_t;
 
typedef void (*corosync_cfg_shutdown_callback_t) (
        corosync_cfg_handle_t cfg_handle,
        corosync_cfg_shutdown_flags_t flags);
 
typedef struct {
        corosync_cfg_shutdown_callback_t corosync_cfg_shutdown_callback;
} corosync_cfg_callbacks_t;
 
typedef struct
{
        int address_length; 
        char address[sizeof(struct sockaddr_in6)];
} corosync_cfg_node_address_t;
 
/*
 * Interfaces
 */
#ifdef __cplusplus
extern "C" {
#endif
 
cs_error_t
corosync_cfg_initialize (
        corosync_cfg_handle_t *cfg_handle,
        const corosync_cfg_callbacks_t *cfg_callbacks);
 
cs_error_t
corosync_cfg_fd_get (
        corosync_cfg_handle_t cfg_handle,
        int32_t *selection_fd);
 
cs_error_t
corosync_cfg_dispatch (
        corosync_cfg_handle_t cfg_handle,
        cs_dispatch_flags_t dispatch_flags);
 
cs_error_t
corosync_cfg_finalize (
        corosync_cfg_handle_t cfg_handle);
 
cs_error_t
corosync_cfg_ring_status_get (
        corosync_cfg_handle_t cfg_handle,
        char ***interface_names,
        char ***status,
        unsigned int *interface_count);
 
typedef enum {
        CFG_NODE_STATUS_V1 = 1,
} corosync_cfg_node_status_version_t;
 
#define CFG_MAX_HOST_LEN 256
#define CFG_MAX_LINKS 8
 
struct corosync_knet_link_status_v1 {
        uint8_t enabled;                /* link is configured and admin enabled for traffic */
        uint8_t connected;              /* link is connected for data (local view) */
        uint8_t dynconnected;           /* link has been activated by remote dynip */
        unsigned int mtu;               /* current detected MTU on this link */
        char src_ipaddr[CFG_MAX_HOST_LEN];
        char dst_ipaddr[CFG_MAX_HOST_LEN];
};
 
struct corosync_cfg_node_status_v1 {
        corosync_cfg_node_status_version_t version;
        unsigned int nodeid;
        uint8_t reachable;
        uint8_t remote;
        uint8_t external;
        uint8_t onwire_min;
        uint8_t onwire_max;
        uint8_t onwire_ver;
        struct corosync_knet_link_status_v1 link_status[CFG_MAX_LINKS];
};
 
cs_error_t
corosync_cfg_node_status_get (
        corosync_cfg_handle_t cfg_handle,
        unsigned int nodeid,
        corosync_cfg_node_status_version_t version,
        void *node_status);
 
cs_error_t
corosync_cfg_kill_node (
        corosync_cfg_handle_t cfg_handle,
        unsigned int nodeid,
        const char *reason);
 
cs_error_t
corosync_cfg_trackstart (
        corosync_cfg_handle_t cfg_handle,
        uint8_t track_flags);
 
cs_error_t
corosync_cfg_trackstop (
        corosync_cfg_handle_t cfg_handle);
 
cs_error_t
corosync_cfg_try_shutdown (
        corosync_cfg_handle_t cfg_handle,
        corosync_cfg_shutdown_flags_t flags);
 
cs_error_t
corosync_cfg_replyto_shutdown (
        corosync_cfg_handle_t cfg_handle,
        corosync_cfg_shutdown_reply_flags_t flags);
 
cs_error_t
corosync_cfg_get_node_addrs (
        corosync_cfg_handle_t cfg_handle,
        unsigned int nodeid,
        size_t max_addrs,
        int *num_addrs,
        corosync_cfg_node_address_t *addrs);
 
cs_error_t
corosync_cfg_local_get (
        corosync_cfg_handle_t handle,
        unsigned int *local_nodeid);
 
cs_error_t corosync_cfg_reload_config (
        corosync_cfg_handle_t handle);
 
cs_error_t corosync_cfg_reopen_log_files (
        corosync_cfg_handle_t handle);
 
#ifdef __cplusplus
}
#endif
 
#endif /* COROSYNC_CFG_H_DEFINED */