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testsam.c

/*
* Copyright (c) 2009 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Friesse (jfriesse@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 Red Hat, 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.
*/
/*
* Provides test of SAM API
*/
#include <config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <corosync/corotypes.h>
#include <corosync/sam.h>
#include <signal.h>
#include <sys/wait.h>
static int test2_sig_delivered = 0;
static int test4_hc_cb_count = 0;
/*
* First test will just register SAM, with policy restart. First instance will
* sleep one second, send hc and sleep another 3 seconds. This should force restart.
* Second instance will sleep one second, send hc, stop hc and sleep 3 seconds.
* Then start hc again and sleep 3 seconds. This should force restart again.
* Last instance just calls initialize again. This should end with error.
* Then call start, followed by stop and start again. Finally, we will call finalize
* twice. One should succeed, second should fail. After this, we will call every function
* (none should succeed).
*/
static int test1 (void)
{
cs_error_t error;
unsigned int instance_id;
int i;
printf ("%s: initialize\n", __FUNCTION__);
error = sam_initialize (2000, SAM_RECOVERY_POLICY_RESTART);
if (error != CS_OK) {
fprintf (stderr, "Can't initialize SAM API. Error %d\n", error);
return 1;
}
printf ("%s: register\n", __FUNCTION__);
error = sam_register (&instance_id);
if (error != CS_OK) {
fprintf (stderr, "Can't register. Error %d\n", error);
return 1;
}
if (instance_id == 1 || instance_id == 2) {
printf ("%s iid %d: start\n", __FUNCTION__, instance_id);
error = sam_start ();
if (error != CS_OK) {
fprintf (stderr, "Can't start hc. Error %d\n", error);
return 1;
}
for (i = 0; i < 10; i++) {
printf ("%s iid %d: sleep 1\n", __FUNCTION__, instance_id);
sleep (1);
printf ("%s iid %d: hc send\n", __FUNCTION__, instance_id);
error = sam_hc_send ();
if (error != CS_OK) {
fprintf (stderr, "Can't send hc. Error %d\n", error);
return 1;
}
}
if (instance_id == 2) {
printf ("%s iid %d: stop\n", __FUNCTION__, instance_id);
error = sam_stop ();
if (error != CS_OK) {
fprintf (stderr, "Can't send hc. Error %d\n", error);
return 1;
}
}
printf ("%s iid %d: sleep 3\n", __FUNCTION__, instance_id);
sleep (3);
printf ("%s iid %d: start\n", __FUNCTION__, instance_id);
error = sam_start ();
if (error != CS_OK) {
fprintf (stderr, "Can't start hc. Error %d\n", error);
return 1;
}
printf ("%s iid %d: sleep 3\n", __FUNCTION__, instance_id);
sleep (3);
return 0;
}
if (instance_id == 3) {
error = sam_initialize (2000, SAM_RECOVERY_POLICY_RESTART);
if (error == CS_OK) {
fprintf (stderr, "Can initialize SAM API after initialization");
return 1;
}
error = sam_start ();
if (error != CS_OK) {
fprintf (stderr, "Can't start hc. Error %d\n", error);
return 1;
}
error = sam_stop ();
if (error != CS_OK) {
fprintf (stderr, "Can't stop hc. Error %d\n", error);
return 1;
}
error = sam_finalize ();
if (error != CS_OK) {
fprintf (stderr, "Can't finalize sam. Error %d\n", error);
return 1;
}
error = sam_finalize ();
if (error == CS_OK) {
fprintf (stderr, "Can finalize sam after finalization!\n");
return 1;
}
if (sam_initialize (2, SAM_RECOVERY_POLICY_RESTART) == CS_OK ||
sam_start () == CS_OK || sam_stop () == CS_OK ||
sam_register (NULL) == CS_OK || sam_hc_send () == CS_OK ||
sam_hc_callback_register (NULL) == CS_OK) {
fprintf (stderr, "Can call one of function after finalization!\n");
return 1;
}
return 0;
}
return 1;
}
static void test2_signal (int sig) {
printf ("%s\n", __FUNCTION__);
test2_sig_delivered = 1;
}
/*
* This tests recovery policy quit and callback.
*/
static int test2 (void) {
cs_error_t error;
unsigned int instance_id;
printf ("%s: initialize\n", __FUNCTION__);
error = sam_initialize (2000, SAM_RECOVERY_POLICY_QUIT);
if (error != CS_OK) {
fprintf (stderr, "Can't initialize SAM API. Error %d\n", error);
return 1;
}
printf ("%s: register\n", __FUNCTION__);
error = sam_register (&instance_id);
if (error != CS_OK) {
fprintf (stderr, "Can't register. Error %d\n", error);
return 1;
}
if (instance_id == 1) {
signal (SIGTERM, test2_signal);
printf ("%s iid %d: start\n", __FUNCTION__, instance_id);
error = sam_start ();
if (error != CS_OK) {
fprintf (stderr, "Can't start hc. Error %d\n", error);
return 1;
}
printf ("%s iid %d: sleep 1\n", __FUNCTION__, instance_id);
sleep (1);
printf ("%s iid %d: hc send\n", __FUNCTION__, instance_id);
error = sam_hc_send ();
if (error != CS_OK) {
fprintf (stderr, "Can't send hc. Error %d\n", error);
return 1;
}
printf ("%s iid %d: wait for delivery of signal\n", __FUNCTION__, instance_id);
while (!test2_sig_delivered) {
sleep (1);
}
printf ("%s iid %d: wait for real kill\n", __FUNCTION__, instance_id);
sleep (3);
}
return 1;
}
/*
* Smoke test. Better to turn off coredump ;) This has no time limit, just restart process
* when it dies.
*/
static int test3 (void) {
cs_error_t error;
unsigned int instance_id;
int tmp1, tmp2, tmp3;
printf ("%s: initialize\n", __FUNCTION__);
error = sam_initialize (0, SAM_RECOVERY_POLICY_RESTART);
if (error != CS_OK) {
fprintf (stderr, "Can't initialize SAM API. Error %d\n", error);
return 1;
}
printf ("%s: register\n", __FUNCTION__);
error = sam_register (&instance_id);
if (error != CS_OK) {
fprintf (stderr, "Can't register. Error %d\n", error);
return 1;
}
if (instance_id < 100) {
printf ("%s iid %d: start\n", __FUNCTION__, instance_id);
error = sam_start ();
if (error != CS_OK) {
fprintf (stderr, "Can't start hc. Error %d\n", error);
return 1;
}
printf ("%s iid %d: divide by zero\n", __FUNCTION__, instance_id);
tmp2 = rand ();
tmp3 = 0;
tmp1 = tmp2 / tmp3;
return 1;
}
return 0;
}
static int test4_hc_cb (void)
{
printf ("%s %d\n", __FUNCTION__, ++test4_hc_cb_count);
if (test4_hc_cb_count > 10)
return 1;
return 0;
}
/*
* Test event driven healtchecking.
*/
static int test4 (void)
{
cs_error_t error;
unsigned int instance_id;
printf ("%s: initialize\n", __FUNCTION__);
error = sam_initialize (100, SAM_RECOVERY_POLICY_RESTART);
if (error != CS_OK) {
fprintf (stderr, "Can't initialize SAM API. Error %d\n", error);
return 1;
}
printf ("%s: register\n", __FUNCTION__);
error = sam_register (&instance_id);
if (error != CS_OK) {
fprintf (stderr, "Can't register. Error %d\n", error);
return 1;
}
if (instance_id == 1) {
printf ("%s iid %d: hc callback register\n", __FUNCTION__, instance_id);
error = sam_hc_callback_register (test4_hc_cb);
if (error != CS_OK) {
fprintf (stderr, "Can't register hc cb. Error %d\n", error);
return 1;
}
printf ("%s iid %d: start\n", __FUNCTION__, instance_id);
error = sam_start ();
if (error != CS_OK) {
fprintf (stderr, "Can't start hc. Error %d\n", error);
return 1;
}
sleep (2);
printf ("%s iid %d: Failed. Wasn't killed.\n", __FUNCTION__, instance_id);
return 1;
}
if (instance_id == 2) {
return 0;
}
return 1;
}
int main(int argc, char *argv[])
{
pid_t pid;
int err;
int stat;
int all_passed = 1;
pid = fork ();
if (pid == -1) {
fprintf (stderr, "Can't fork\n");
return 1;
}
if (pid == 0) {
err = test1 ();
fprintf (stderr, "test1 %s\n", (err == 0 ? "passed" : "failed"));
if (err != 0)
all_passed = 0;
return err;
}
waitpid (pid, NULL, 0);
pid = fork ();
if (pid == -1) {
fprintf (stderr, "Can't fork\n");
return 1;
}
if (pid == 0) {
err = test2 ();
return err;
}
waitpid (pid, &stat, 0);
fprintf (stderr, "test2 %s\n", (WEXITSTATUS (stat) == 0 ? "passed" : "failed"));
if (WEXITSTATUS (stat) != 0)
all_passed = 0;
pid = fork ();
if (pid == -1) {
fprintf (stderr, "Can't fork\n");
return 1;
}
if (pid == 0) {
err = test3 ();
fprintf (stderr, "test3 %s\n", (err == 0 ? "passed" : "failed"));
if (err != 0)
all_passed = 0;
return err;
}
waitpid (pid, NULL, 0);
pid = fork ();
if (pid == -1) {
fprintf (stderr, "Can't fork\n");
return 1;
}
if (pid == 0) {
err = test4 ();
fprintf (stderr, "test4 %s\n", (err == 0 ? "passed" : "failed"));
if (err != 0)
all_passed = 0;
return err;
}
waitpid (pid, NULL, 0);
if (all_passed)
fprintf (stderr, "All tests passed\n");
return (all_passed ? 0 : 1);
}

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