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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>
121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/*
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* Copyright (c) 2005 MontaVista Software, Inc.
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* Copyright (c) 2006-2010 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 TOTEMUDPU_H_DEFINED
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#define TOTEMUDPU_H_DEFINED
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <corosync/hdb.h>
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#include <corosync/totem/totem.h>
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/*
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* Create an instance
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*/
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extern int totemudpu_initialize (
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hdb_handle_t poll_handle,
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void **udpu_context,
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struct totem_config *totem_config,
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int interface_no,
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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_address),
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void (*target_set_completed) (
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void *context));
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extern int totemudpu_processor_count_set (
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void *udpu_context,
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int processor_count);
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extern int totemudpu_token_send (
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void *udpu_context,
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const void *msg,
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unsigned int msg_len);
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extern int totemudpu_mcast_flush_send (
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void *udpu_context,
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const void *msg,
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unsigned int msg_len);
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extern int totemudpu_mcast_noflush_send (
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void *udpu_context,
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const void *msg,
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unsigned int msg_len);
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extern int totemudpu_recv_flush (void *udpu_context);
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extern int totemudpu_send_flush (void *udpu_context);
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extern int totemudpu_iface_check (void *udpu_context);
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extern int totemudpu_finalize (void *udpu_context);
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extern void totemudpu_net_mtu_adjust (void *udpu_context, struct totem_config *totem_config);
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extern const char *totemudpu_iface_print (void *udpu_context);
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extern int totemudpu_iface_get (
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void *udpu_context,
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struct totem_ip_address *addr);
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extern int totemudpu_token_target_set (
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void *udpu_context,
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const struct totem_ip_address *token_target);
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extern int totemudpu_crypto_set (
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void *udpu_context,
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unsigned int type);
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extern int totemudpu_recv_mcast_empty (
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void *udpu_context);
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extern int totemudpu_member_add (
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void *udpu_context,
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const struct totem_ip_address *member);
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extern int totemudpu_member_remove (
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void *udpu_context,
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const struct totem_ip_address *member);
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#endif /* TOTEMUDPU_H_DEFINED */
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