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/*
* Copyright (c) 2009 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Steven Dake (sdake@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <string.h>
#include <corosync/corotypes.h>
#include <corosync/cpg.h>
static void cpg_deliver_fn (
cpg_handle_t handle,
const struct cpg_name *group_name,
uint32_t nodeid,
uint32_t pid,
void *m,
size_t msg_len)
{
}
static void cpg_confchg_fn (
cpg_handle_t handle,
const struct cpg_name *group_name,
const struct cpg_address *member_list, size_t member_list_entries,
const struct cpg_address *left_list, size_t left_list_entries,
const struct cpg_address *joined_list, size_t joined_list_entries)
{
}
static cpg_callbacks_t callbacks = {
cpg_deliver_fn,
cpg_confchg_fn
};
static struct cpg_name group_name = {
.value = "cpg_bm",
.length = 6
};
static unsigned char buffer[2000000];
int main (void)
{
cpg_handle_t handle;
cs_error_t result;
unsigned int i = 0;
struct iovec iov;
int res;
unsigned int msg_size;
result = cpg_initialize (&handle, &callbacks);
if (result != CS_OK) {
printf ("Couldn't initialize CPG service %d\n", result);
exit (0);
}
res = cpg_join (handle, &group_name);
if (res != CS_OK) {
printf ("cpg_join failed with result %d\n", res);
exit (1);
}
iov.iov_base = (void *)buffer;
/*
* Demonstrate cpg_mcast_joined
*/
msg_size = 1025000;
for (i = 0; i < 1000000000; i++) {
iov.iov_len = msg_size;
try_again_one:
result = cpg_mcast_joined (handle, CPG_TYPE_AGREED,
&iov, 1);
if (result == CS_ERR_TRY_AGAIN) {
goto try_again_one;
}
if (result == CS_ERR_INVALID_PARAM) {
printf ("found boundary at %d\n", msg_size);
exit (1);
}
msg_size += 1;
printf ("msg size %d\n", msg_size);
result = cpg_dispatch (handle, CS_DISPATCH_ALL);
if (result != CS_OK && result != CS_ERR_TRY_AGAIN) {
printf ("cpg_dispatch failed with result %d\n", res);
exit (1);
}
}
cpg_finalize (handle);
return (0);
}
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