/* $NetBSD: clvmd-comms.h,v 1.1.1.3 2009/12/02 00:27:01 haad Exp $ */ /* * Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved. * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved. * * This file is part of LVM2. * * This copyrighted material is made available to anyone wishing to use, * modify, copy, or redistribute it subject to the terms and conditions * of the GNU General Public License v.2. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * Abstraction layer for clvmd cluster communications */ #ifndef _CLVMD_COMMS_H #define _CLVMD_COMMS_H struct local_client; struct cluster_ops { void (*cluster_init_completed) (void); int (*cluster_send_message) (const void *buf, int msglen, const char *csid, const char *errtext); int (*name_from_csid) (const char *csid, char *name); int (*csid_from_name) (char *csid, const char *name); int (*get_num_nodes) (void); int (*cluster_fd_callback) (struct local_client *fd, char *buf, int len, const char *csid, struct local_client **new_client); int (*get_main_cluster_fd) (void); /* gets accept FD or cman cluster socket */ int (*cluster_do_node_callback) (struct local_client *client, void (*callback) (struct local_client *, const char *csid, int node_up)); int (*is_quorate) (void); void (*get_our_csid) (char *csid); void (*add_up_node) (const char *csid); void (*reread_config) (void); void (*cluster_closedown) (void); int (*get_cluster_name)(char *buf, int buflen); int (*sync_lock) (const char *resource, int mode, int flags, int *lockid); int (*sync_unlock) (const char *resource, int lockid); }; #ifdef USE_GULM # include "tcp-comms.h" struct cluster_ops *init_gulm_cluster(void); #define MAX_CSID_LEN GULM_MAX_CSID_LEN #define MAX_CLUSTER_MEMBER_NAME_LEN GULM_MAX_CLUSTER_MEMBER_NAME_LEN #endif #ifdef USE_CMAN # include # include "libcman.h" # define CMAN_MAX_CSID_LEN 4 # ifndef MAX_CSID_LEN # define MAX_CSID_LEN CMAN_MAX_CSID_LEN # endif # undef MAX_CLUSTER_MEMBER_NAME_LEN # define MAX_CLUSTER_MEMBER_NAME_LEN CMAN_MAX_NODENAME_LEN # define CMAN_MAX_CLUSTER_MESSAGE 1500 # define CLUSTER_PORT_CLVMD 11 struct cluster_ops *init_cman_cluster(void); #endif #ifdef USE_OPENAIS # include # include # define OPENAIS_CSID_LEN (sizeof(int)) # define OPENAIS_MAX_CLUSTER_MESSAGE MESSAGE_SIZE_MAX # define OPENAIS_MAX_CLUSTER_MEMBER_NAME_LEN SA_MAX_NAME_LENGTH # ifndef MAX_CLUSTER_MEMBER_NAME_LEN # define MAX_CLUSTER_MEMBER_NAME_LEN SA_MAX_NAME_LENGTH # endif # ifndef CMAN_MAX_CLUSTER_MESSAGE # define CMAN_MAX_CLUSTER_MESSAGE MESSAGE_SIZE_MAX # endif # ifndef MAX_CSID_LEN # define MAX_CSID_LEN sizeof(int) # endif struct cluster_ops *init_openais_cluster(void); #endif #ifdef USE_COROSYNC # include # define COROSYNC_CSID_LEN (sizeof(int)) # define COROSYNC_MAX_CLUSTER_MESSAGE 65535 # define COROSYNC_MAX_CLUSTER_MEMBER_NAME_LEN CS_MAX_NAME_LENGTH # ifndef MAX_CLUSTER_MEMBER_NAME_LEN # define MAX_CLUSTER_MEMBER_NAME_LEN CS_MAX_NAME_LENGTH # endif # ifndef CMAN_MAX_CLUSTER_MESSAGE # define CMAN_MAX_CLUSTER_MESSAGE 65535 # endif # ifndef MAX_CSID_LEN # define MAX_CSID_LEN sizeof(int) # endif struct cluster_ops *init_corosync_cluster(void); #endif #endif