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e8b143595c
Patch adds new function to initialize cpg, cpg_model_initialize. Model is set of callbacks. With this function, future addions of models should be possible without changing the ABI. Patch also contains callback in CPG_MODEL_V1 for notification about Totem membership changes. git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@2770 fd59a12c-fef9-0310-b244-a6a79926bd2f
74 lines
3.0 KiB
Groff
74 lines
3.0 KiB
Groff
.\"/*
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.\" * Copyright (c) 2006-2009 Red Hat, Inc.
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.\" *
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.\" * All rights reserved.
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.\" *
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.\" * Author: Patrick Caulfield <pcaulfie@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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.TH CPG_OVERVIEW 8 2009-4-15 "corosync Man Page" "Corosync Cluster Engine Programmer's Manual"
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.SH NAME
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cpg_overview \- CPG library overview
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.SH OVERVIEW
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The CPG library is delivered with the corosync project. This library is used
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to create distributed applications that operate properly during cluster
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partitions, merges, and faults.
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.PP
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The library provides a mechanism to:
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* handle abstraction for multiple instances of a CPG library in one application
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* join one or more groups
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* leave one or more groups
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* Deliver messages to members of that group
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* Deliver configuration changes
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.PP
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.SH SECURITY
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If encryption is enabled in corosync.conf, the CPG library will encrypt and
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authenticate message contents. Applications must run as the ais user to be
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validated by corosync on IPC connection, otherwise they will be unable to
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access the corosync services.
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.SH "SEE ALSO"
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.BR cpg_overview (8),
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.BR cpg_initialize (3),
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.BR cpg_finalize (3),
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.BR cpg_fd_get (3),
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.BR cpg_dispatch (3),
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.BR cpg_join (3),
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.BR cpg_leave (3),
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.BR cpg_mcast_joined (3),
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.BR cpg_model_initialize (3),
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.BR cpg_membership_get (3)
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.BR cpg_zcb_alloc (3)
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.BR cpg_zcb_free (3)
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.BR cpg_zcb_mcast_joined (3)
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.BR cpg_context_get (3)
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.BR cpg_context_set (3)
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.BR cpg_local_get (3)
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.PP
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