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testevsth.c
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/*
* Copyright (c) 2004 MontaVista Software, 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 <netinet/in.h>
#include <arpa/inet.h>
#include <errno.h>
#include <pthread.h>
#include "../include/evs.h"
char *delivery_string;
#define CALLBACKS 200000
int callback_count = 0;
void evs_deliver_fn (struct in_addr source_addr, const void *msg, size_t msg_len)
{
#ifdef PRINT_OUTPUT
char *buf;
buf += 100000;
printf ("Delivery callback\n");
printf ("callback %d '%s' msg '%s'\n", callback_count, delivery_string, buf);
#endif
callback_count += 1;
if (callback_count % 50 == 0) {
printf ("Callback %d\n", callback_count);
}
}
void evs_confchg_fn (
const struct in_addr *member_list, size_t member_list_entries,
const struct in_addr *left_list, size_t left_list_entries,
const struct in_addr *joined_list, size_t joined_list_entries)
{
int i;
printf ("CONFIGURATION CHANGE\n");
printf ("--------------------\n");
printf ("New configuration\n");
for (i = 0; i < member_list_entries; i++) {
printf ("%s\n", inet_ntoa (member_list[i]));
}
printf ("Members Left:\n");
for (i = 0; i < left_list_entries; i++) {
printf ("%s\n", inet_ntoa (left_list[i]));
}
printf ("Members Joined:\n");
for (i = 0; i < joined_list_entries; i++) {
printf ("%s\n", inet_ntoa (joined_list[i]));
}
}
evs_callbacks_t callbacks = {
evs_deliver_fn,
evs_confchg_fn
};
struct evs_group groups[3] = {
{ "key1" },
{ "key2" },
{ "key3" }
};
char buffer[1000];
struct iovec iov = {
.iov_base = buffer,
.iov_len = sizeof (buffer)
};
void *th_dispatch (void *arg)
{
cs_error_t result;
evs_handle_t handle = *(evs_handle_t *)arg;
printf ("THREAD DISPATCH starting.\n");
result = evs_dispatch (handle, CS_DISPATCH_BLOCKING);
printf ("THREAD DISPATCH return result is %d\n", result);
return (0);
}
static struct sched_param sched_param = {
sched_priority: 99
};
int main (void)
{
evs_handle_t handle;
cs_error_t result;
int i = 0;
pthread_t dispatch_thread;
pthread_attr_t dispatch_thread_attribute;
result = evs_initialize (&handle, &callbacks);
if (result != CS_OK) {
printf ("Couldn't initialize EVS service %d\n", result);
exit (0);
}
pthread_attr_init (&dispatch_thread_attribute);
pthread_attr_setschedpolicy (&dispatch_thread_attribute, SCHED_FIFO);
pthread_attr_setschedparam (&dispatch_thread_attribute, &sched_param);
pthread_create (&dispatch_thread, NULL, th_dispatch, &handle);
printf ("Init result %d\n", result);
result = evs_join (handle, groups, 3);
printf ("Join result %d\n", result);
result = evs_leave (handle, &groups[0], 1);
printf ("Leave result %d\n", result);
delivery_string = "evs_mcast_joined";
/*
* Demonstrate evs_mcast_joined
*/
for (i = 0; i < CALLBACKS/2; i++) {
sprintf (buffer, "evs_mcast_joined: This is message %d", i);
try_again_one:
result = evs_mcast_joined (handle, EVS_TYPE_AGREED, &iov, 1);
if (result == CS_ERR_TRY_AGAIN) {
goto try_again_one;
} else
if (result != CS_OK) {
printf ("Got error result, exiting %d\n", result);
exit (1);
}
}
/*
* Demonstrate evs_mcast_joined
*/
delivery_string = "evs_mcast_groups";
for (i = 0; i < CALLBACKS/2; i++) {
sprintf (buffer, "evs_mcast_groups: This is message %d", i);
try_again_two:
result = evs_mcast_groups (handle, EVS_TYPE_AGREED,
&groups[1], 1, &iov, 1);
if (result == CS_ERR_TRY_AGAIN) {
goto try_again_two;
}
}
/*
* Wait until all callbacks have been executed by dispatch thread
*/
for (;;) {
if (callback_count == CALLBACKS) {
printf ("Test completed successfully\n");
exit (0);
}
}
return (0);
}

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