clvmd-comms.h revision 1.1.1.2 1 /* $NetBSD: clvmd-comms.h,v 1.1.1.2 2009/02/18 11:16:34 haad Exp $ */
2
3 /*
4 * Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
5 * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
6 *
7 * This file is part of LVM2.
8 *
9 * This copyrighted material is made available to anyone wishing to use,
10 * modify, copy, or redistribute it subject to the terms and conditions
11 * of the GNU General Public License v.2.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 */
17
18 /*
19 * Abstraction layer for clvmd cluster communications
20 */
21
22 #ifndef _CLVMD_COMMS_H
23 #define _CLVMD_COMMS_H
24
25 struct local_client;
26
27 struct cluster_ops {
28 void (*cluster_init_completed) (void);
29
30 int (*cluster_send_message) (const void *buf, int msglen,
31 const char *csid,
32 const char *errtext);
33 int (*name_from_csid) (const char *csid, char *name);
34 int (*csid_from_name) (char *csid, const char *name);
35 int (*get_num_nodes) (void);
36 int (*cluster_fd_callback) (struct local_client *fd, char *buf, int len,
37 const char *csid,
38 struct local_client **new_client);
39 int (*get_main_cluster_fd) (void); /* gets accept FD or cman cluster socket */
40 int (*cluster_do_node_callback) (struct local_client *client,
41 void (*callback) (struct local_client *,
42 const char *csid,
43 int node_up));
44 int (*is_quorate) (void);
45
46 void (*get_our_csid) (char *csid);
47 void (*add_up_node) (const char *csid);
48 void (*reread_config) (void);
49 void (*cluster_closedown) (void);
50
51 int (*get_cluster_name)(char *buf, int buflen);
52
53 int (*sync_lock) (const char *resource, int mode,
54 int flags, int *lockid);
55 int (*sync_unlock) (const char *resource, int lockid);
56
57 };
58
59 #ifdef USE_GULM
60 # include "tcp-comms.h"
61 struct cluster_ops *init_gulm_cluster(void);
62 #define MAX_CSID_LEN GULM_MAX_CSID_LEN
63 #define MAX_CLUSTER_MEMBER_NAME_LEN GULM_MAX_CLUSTER_MEMBER_NAME_LEN
64 #endif
65
66 #ifdef USE_CMAN
67 # include <netinet/in.h>
68 # include "libcman.h"
69 # define CMAN_MAX_CSID_LEN 4
70 # ifndef MAX_CSID_LEN
71 # define MAX_CSID_LEN CMAN_MAX_CSID_LEN
72 # endif
73 # undef MAX_CLUSTER_MEMBER_NAME_LEN
74 # define MAX_CLUSTER_MEMBER_NAME_LEN CMAN_MAX_NODENAME_LEN
75 # define CMAN_MAX_CLUSTER_MESSAGE 1500
76 # define CLUSTER_PORT_CLVMD 11
77 struct cluster_ops *init_cman_cluster(void);
78 #endif
79
80 #ifdef USE_OPENAIS
81 # include <openais/saAis.h>
82 # include <openais/totem/totem.h>
83 # define OPENAIS_CSID_LEN (sizeof(int))
84 # define OPENAIS_MAX_CLUSTER_MESSAGE MESSAGE_SIZE_MAX
85 # define OPENAIS_MAX_CLUSTER_MEMBER_NAME_LEN SA_MAX_NAME_LENGTH
86 # ifndef MAX_CLUSTER_MEMBER_NAME_LEN
87 # define MAX_CLUSTER_MEMBER_NAME_LEN SA_MAX_NAME_LENGTH
88 # endif
89 # ifndef CMAN_MAX_CLUSTER_MESSAGE
90 # define CMAN_MAX_CLUSTER_MESSAGE MESSAGE_SIZE_MAX
91 # endif
92 # ifndef MAX_CSID_LEN
93 # define MAX_CSID_LEN sizeof(int)
94 # endif
95 struct cluster_ops *init_openais_cluster(void);
96 #endif
97
98 #ifdef USE_COROSYNC
99 # include <corosync/corotypes.h>
100 # define COROSYNC_CSID_LEN (sizeof(int))
101 # define COROSYNC_MAX_CLUSTER_MESSAGE 65535
102 # define COROSYNC_MAX_CLUSTER_MEMBER_NAME_LEN CS_MAX_NAME_LENGTH
103 # ifndef MAX_CLUSTER_MEMBER_NAME_LEN
104 # define MAX_CLUSTER_MEMBER_NAME_LEN CS_MAX_NAME_LENGTH
105 # endif
106 # ifndef CMAN_MAX_CLUSTER_MESSAGE
107 # define CMAN_MAX_CLUSTER_MESSAGE 65535
108 # endif
109 # ifndef MAX_CSID_LEN
110 # define MAX_CSID_LEN sizeof(int)
111 # endif
112 struct cluster_ops *init_corosync_cluster(void);
113 #endif
114
115
116 #endif
117