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The UDPU transport is useful for those deployments which can't use multicast. UDPU works by using UDP unicast, which is fully supported by every switch manufacturer by default and doesn't rely on a functional IGMP implementation. An example of the UDPU transport is contained in the corosync.conf.example.udpu file which shows a 16 node cluster. This file should be copied to each node in the cluster and IP addresses changed as appropriate. Amended to remove dead udpu REUSEADDR socket option. Signed-off-by: Steven Dake <sdake@redhat.com>
142 lines
3.8 KiB
C
142 lines
3.8 KiB
C
/*
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* Copyright (c) 2005 MontaVista Software, Inc.
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* Copyright (c) 2006-2007, 2009 Red Hat, Inc.
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*
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* All rights reserved.
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*
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* Author: Steven Dake (sdake@redhat.com)
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*
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* This software licensed under BSD license, the text of which follows:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the MontaVista Software, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TOTEMRRP_H_DEFINED
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#define TOTEMRRP_H_DEFINED
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <corosync/totem/totem.h>
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#define TOTEMRRP_NOFLUSH 0
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#define TOTEMRRP_FLUSH 1
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/*
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* Totem Network interface - also does encryption/decryption
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* depends on poll abstraction, POSIX, IPV4
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*/
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/*
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* Create an instance
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*/
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extern int totemrrp_initialize (
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hdb_handle_t poll_handle,
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void **rrp_context,
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struct totem_config *totem_config,
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void *context,
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void (*deliver_fn) (
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void *context,
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const void *msg,
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unsigned int msg_len),
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void (*iface_change_fn) (
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void *context,
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const struct totem_ip_address *iface_addr,
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unsigned int iface_no),
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void (*token_seqid_get) (
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const void *msg,
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unsigned int *seqid,
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unsigned int *token_is),
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unsigned int (*msgs_missing) (void),
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void (*target_set_completed) (
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void *context)
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);
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extern int totemrrp_processor_count_set (
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void *rrp_context,
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unsigned int processor_count);
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extern int totemrrp_token_send (
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void *rrp_context,
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const void *msg,
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unsigned int msg_len);
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extern int totemrrp_mcast_noflush_send (
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void *rrp_context,
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const void *msg,
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unsigned int msg_len);
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extern int totemrrp_mcast_flush_send (
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void *rrp_context,
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const void *msg,
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unsigned int msg_len);
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extern int totemrrp_recv_flush (
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void *rrp_context);
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extern int totemrrp_send_flush (
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void *rrp_context);
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extern int totemrrp_token_target_set (
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void *rrp_context,
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struct totem_ip_address *target,
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unsigned int iface_no);
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extern int totemrrp_iface_check (void *rrp_context);
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extern int totemrrp_finalize (void *rrp_context);
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extern int totemrrp_ifaces_get (
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void *rrp_context,
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char ***status,
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unsigned int *iface_count);
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extern int totemrrp_crypto_set (
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void *rrp_context,
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unsigned int type);
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extern int totemrrp_ring_reenable (
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void *rrp_context);
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extern int totemrrp_mcast_recv_empty (
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void *rrp_context);
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extern int totemrrp_member_add (
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void *net_context,
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const struct totem_ip_address *member,
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int iface_no);
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extern int totemrrp_member_remove (
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void *net_context,
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const struct totem_ip_address *member,
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int iface_no);
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#endif /* TOTEMRRP_H_DEFINED */
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