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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cppunit/extensions/HelperMacros.h>
#include "CppAssertHelper.h"
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include "Vector.h"
using namespace std;
#include <zookeeper.h>
#include "Util.h"
#include "WatchUtil.h"
class Zookeeper_clientretry : public CPPUNIT_NS::TestFixture
{
CPPUNIT_TEST_SUITE(Zookeeper_clientretry);
#ifdef THREADED
CPPUNIT_TEST(testRetry);
#endif
CPPUNIT_TEST_SUITE_END();
static void watcher(zhandle_t *, int type, int state, const char *path,void*v){
watchctx_t *ctx = (watchctx_t*)v;
if (state == ZOO_CONNECTED_STATE) {
ctx->connected = true;
} else {
ctx->connected = false;
}
if (type != ZOO_SESSION_EVENT) {
evt_t evt;
evt.path = path;
evt.type = type;
ctx->putEvent(evt);
}
}
static const char hostPorts[];
const char *getHostPorts() {
return hostPorts;
}
zhandle_t *createClient(watchctx_t *ctx) {
zhandle_t *zk = zookeeper_init(hostPorts, watcher, 10000, 0,
ctx, 0);
ctx->zh = zk;
sleep(1);
return zk;
}
FILE *logfile;
public:
Zookeeper_clientretry() {
logfile = openlogfile("Zookeeper_clientretry");
}
~Zookeeper_clientretry() {
if (logfile) {
fflush(logfile);
fclose(logfile);
logfile = 0;
}
}
void setUp()
{
zoo_set_log_stream(logfile);
char cmd[1024];
sprintf(cmd, "%s stop %s", ZKSERVER_CMD, getHostPorts());
CPPUNIT_ASSERT(system(cmd) == 0);
/* we are testing that if max cnxns is exceeded the server does the right thing */
sprintf(cmd, "ZKMAXCNXNS=1 %s startClean %s", ZKSERVER_CMD, getHostPorts());
CPPUNIT_ASSERT(system(cmd) == 0);
struct sigaction act;
act.sa_handler = SIG_IGN;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
CPPUNIT_ASSERT(sigaction(SIGPIPE, &act, NULL) == 0);
}
void tearDown()
{
char cmd[1024];
sprintf(cmd, "%s stop %s", ZKSERVER_CMD, getHostPorts());
CPPUNIT_ASSERT(system(cmd) == 0);
/* restart the server in "normal" mode */
sprintf(cmd, "%s startClean %s", ZKSERVER_CMD, getHostPorts());
CPPUNIT_ASSERT(system(cmd) == 0);
struct sigaction act;
act.sa_handler = SIG_IGN;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
CPPUNIT_ASSERT(sigaction(SIGPIPE, &act, NULL) == 0);
}
bool waitForEvent(zhandle_t *zh, watchctx_t *ctx, int seconds) {
time_t expires = time(0) + seconds;
while(ctx->countEvents() == 0 && time(0) < expires) {
yield(zh, 1);
}
return ctx->countEvents() > 0;
}
static zhandle_t *async_zk;
void testRetry()
{
watchctx_t ctx1, ctx2;
zhandle_t *zk1 = createClient(&ctx1);
CPPUNIT_ASSERT_EQUAL(true, ctx1.waitForConnected(zk1));
zhandle_t *zk2 = createClient(&ctx2);
zookeeper_close(zk1);
CPPUNIT_ASSERT_EQUAL(true, ctx2.waitForConnected(zk2));
ctx1.zh = 0;
}
};
zhandle_t *Zookeeper_clientretry::async_zk;
const char Zookeeper_clientretry::hostPorts[] = "127.0.0.1:22181";
CPPUNIT_TEST_SUITE_REGISTRATION(Zookeeper_clientretry);
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