polardbxengine/extra/IS/consensus/unittest/tmp-t.cc

398 lines
11 KiB
C++

/************************************************************************
*
* Copyright (c) 2017 Alibaba.com, Inc. All Rights Reserved
* $Id: tmp-t.cc,v 1.0 02/16/2017 10:29:00 AM yingqiang.zyq(yingqiang.zyq@alibaba-inc.com) $
*
************************************************************************/
/**
* @file tmp-t.cc
* @author yingqiang.zyq(yingqiang.zyq@alibaba-inc.com)
* @date 02/16/2017 10:29:00 AM
* @version 1.0
* @brief
*
**/
#include <iostream>
#include <atomic>
#include <thread>
#include <gtest/gtest.h>
#include "easyNet.h"
#include "service.h"
#include "paxos.h"
#include "paxos_log.h"
#include "paxos_server.h"
#include "paxos_configuration.h"
#include "paxos.pb.h"
#include "rd_paxos_log.h"
#include "file_paxos_log.h"
#include "files.h"
using namespace alisql;
TEST(consensus, PB)
{
std::cout<< "start"<< std::endl << std::flush;
{
PaxosMsg pmsg;
PaxosMsg *msg= &pmsg;
::google::protobuf::RepeatedPtrField<LogEntry>* entries;
entries= msg->mutable_entries();
LogEntry entry;
entry.set_index(1);
entry.set_value("aaaaaaaaaaaaaaa");
*(entries->Add())= entry;
entry.set_index(2);
entry.set_value("bbbbbbbbbbbbbbbbbbb");
*(entries->Add())= entry;
}
std::cout<< "stop"<< std::endl << std::flush;
}
TEST(consensus, Cpp11Time)
{
std::cout<< "start"<< std::endl << std::flush;
std::chrono::steady_clock::time_point tp1, tp2;
tp1= std::chrono::steady_clock::now();
sleep(1);
/*
tp2= std::chrono::steady_clock::now();
auto tt= tp2 - tp1;
auto tt1= std::chrono::duration_cast<std::chrono::microseconds>(tt);
uint64_t diff= tt1.count();
*/
uint64_t diff= RemoteServer::diffMS(tp1);
std::cout<< "diff is:"<< diff << std::endl << std::flush;
std::cout<< "stop"<< std::endl << std::flush;
}
TEST(consensus, PB_bin)
{
std::cout<< "start"<< std::endl << std::flush;
TestMsg1 msg1;
msg1.set_id(0x5e5e5e);
TestMsg1 msg2;
msg2.set_id(0xe5e5e5);
msg2.set_c1(0xdddddd);
TestMsg2 msg3;
msg3.set_id(0xe5e5e5);
msg3.set_c1(0xdddddd);
TestMsg2 msg4;
msg4.set_id(0xe5e5e5);
msg4.set_c1(0xdddddd);
msg4.add_c2(0xeeeeee);
std::string buf1;
msg1.SerializeToString(&buf1);
std::string buf2;
msg2.SerializeToString(&buf2);
std::string buf3;
msg3.SerializeToString(&buf3);
std::string buf4;
msg4.SerializeToString(&buf4);
TestMsg2 msg5;
msg5.ParseFromString(buf2);
TestMsg1 msg6;
msg6.ParseFromString(buf4);
//uint64_t index= atoi("3572172862");
uint64_t index= strtoull("3572172862", NULL ,10);
std::cout<< "index:"<<index<< std::endl << std::flush;
std::cout<< "stop"<< std::endl << std::flush;
}
std::atomic<int> ttsCalled(0);
TEST(Service, ThreadTimer_weight_repeat)
{
auto tts= new ThreadTimerService();
ttsCalled.store(0);
ThreadTimer *tt3= new ThreadTimer(tts, 10.0, ThreadTimer::Stage, []{std::cout<< "foo3"<< std::endl << std::flush;ttsCalled.fetch_add(1);});
tt3->setRandWeight(5);
tt3->start();
std::cout << "Start sleep in ThreadTimerTest" << std::endl << std::flush;
sleep(9);
std::cout << "Stop sleep in ThreadTimerTest" << std::endl << std::flush;
EXPECT_EQ(tt3->getCurrentStage(), 0);
tt3->restart();
std::cout << "Start sleep 2 in ThreadTimerTest" << std::endl << std::flush;
sleep(9);
std::cout << "Stop sleep 2 in ThreadTimerTest" << std::endl << std::flush;
EXPECT_EQ(ttsCalled.load(), 0);
EXPECT_EQ(tt3->getCurrentStage(), 0);
sleep(4);
EXPECT_EQ(ttsCalled.load(), 0);
EXPECT_EQ(tt3->getCurrentStage(), 1);
sleep(5);
EXPECT_EQ(ttsCalled.load(), 1);
EXPECT_EQ(tt3->getCurrentStage(), 0);
tt3->stop();
delete tt3;
delete tts;
}
TEST(consensus, paxos_learner_restart)
{
std::vector<std::string> strConfig;
strConfig.emplace_back("127.0.0.1:11001");
uint64_t timeout= 2000;
std::shared_ptr<PaxosLog> rlog;
rlog= std::make_shared<FilePaxosLog>("paxosLogTestDir1");
Paxos *paxos1= new Paxos(timeout, rlog, 3000);
paxos1->init(strConfig, 1, NULL);
std::string strTmp1("127.0.0.1:11002");
std::string strTmp2("127.0.0.1:11003");
rlog= std::make_shared<FilePaxosLog>("paxosLogTestDir3");
Paxos *learner2= new Paxos(timeout, rlog);
learner2->initAsLearner(strTmp2);
sleep(1);
paxos1->requestVote();
sleep(3);
EXPECT_EQ(paxos1->getState(), Paxos::LEADER);
LogEntry le;
le.set_index(0);
le.set_optype(0);
le.set_value("aaa");
paxos1->replicateLog(le);
le.set_value("bbb");
paxos1->replicateLog(le);
sleep(1);
EXPECT_EQ(paxos1->getLastLogIndex(), paxos1->getCommitIndex());
EXPECT_EQ(paxos1->getConfig()->getServerNum(), 1);
EXPECT_EQ(paxos1->getConfig()->getServerNumLockFree(), 1);
// add node in one node cluster.
strConfig.clear();
strConfig.push_back(strTmp1);
strConfig.push_back(strTmp2);
strConfig.push_back(std::string("127.0.0.1:11004"));
strConfig.push_back(std::string("127.0.0.1:11005"));
strConfig.push_back(std::string("127.0.0.1:11006"));
strConfig.push_back(std::string("127.0.0.1:11007"));
strConfig.push_back(std::string("127.0.0.1:11008"));
paxos1->changeLearners(Paxos::CCAddNode, strConfig);
sleep(1);
auto config= std::dynamic_pointer_cast<StableConfiguration>(learner2->getConfig());
EXPECT_EQ(config->learnersToString(), std::string("127.0.0.1:11002$00;127.0.0.1:11003$00;127.0.0.1:11004$00;127.0.0.1:11005$00;127.0.0.1:11006$00;127.0.0.1:11007$00;127.0.0.1:11008$00"));
sleep(1);
strConfig.clear();
strConfig.push_back(std::string("127.0.0.1:11005"));
paxos1->changeLearners(Paxos::CCDelNode, strConfig);
sleep(1);
EXPECT_EQ(config->learnersToString(), std::string("127.0.0.1:11002$00;127.0.0.1:11003$00;127.0.0.1:11004$00;0;127.0.0.1:11006$00;127.0.0.1:11007$00;127.0.0.1:11008$00"));
sleep(1);
strConfig.clear();
strConfig.push_back(std::string("127.0.0.1:11006"));
paxos1->changeLearners(Paxos::CCDelNode, strConfig);
sleep(1);
EXPECT_EQ(config->learnersToString(), std::string("127.0.0.1:11002$00;127.0.0.1:11003$00;127.0.0.1:11004$00;0;0;127.0.0.1:11007$00;127.0.0.1:11008$00"));
sleep(1);
strConfig.clear();
strConfig.push_back(std::string("127.0.0.1:11004"));
paxos1->changeLearners(Paxos::CCDelNode, strConfig);
sleep(1);
EXPECT_EQ(config->learnersToString(), std::string("127.0.0.1:11002$00;127.0.0.1:11003$00;0;0;0;127.0.0.1:11007$00;127.0.0.1:11008$00"));
delete learner2;
sleep(1);
learner2= new Paxos(timeout, rlog);
learner2->initAsLearner(strTmp2);
le.clear_term();
paxos1->replicateLog(le);
sleep(1);
EXPECT_EQ(config->learnersToString(), std::string("127.0.0.1:11002$00;127.0.0.1:11003$00;0;0;0;127.0.0.1:11007$00;127.0.0.1:11008$00"));
config.reset();
delete learner2;
delete paxos1;
deleteDir("paxosLogTestDir1");
deleteDir("paxosLogTestDir3");
}
TEST(consensus, pb_large)
{
LogEntry le;
le.set_index(0);
le.set_optype(1);
le.set_term(1);
le.set_value(std::string(400*1024*1024, 'a'));
std::string buf;
le.SerializeToString(&buf);
std::cout << buf.length() << std::endl;
LogEntry le2;
bool ret = le2.ParseFromString(buf);
#if GOOGLE_PROTOBUF_VERSION < 3006001
EXPECT_EQ(ret, false);
#else
EXPECT_EQ(ret, true);
#endif
std::cout << le2.value().length() << std::endl;
LogEntry le3;
ret = MyParseFromArray(le3, buf.c_str(), buf.length());
EXPECT_EQ(ret, true);
std::cout << le3.value().length() << std::endl;
EXPECT_EQ(le3.value().length(), le.value().length());
}
TEST(consensus, stability)
{
std::vector<std::string> strConfig = { "127.0.0.1:11001", "127.0.0.1:11002",
"127.0.0.1:11003" };
uint64_t timeout = 12500;
std::shared_ptr<PaxosLog> rlog;
rlog = std::make_shared<RDPaxosLog>("paxosLogTestDir1", true, 4 * 1024 * 1024);
Paxos *paxos1 = new Paxos(timeout, rlog);
paxos1->init(strConfig, 1, NULL);
rlog = std::make_shared<RDPaxosLog>("paxosLogTestDir2", true, 4 * 1024 * 1024);
Paxos *paxos2 = new Paxos(timeout, rlog);
paxos2->init(strConfig, 2, NULL);
rlog = std::make_shared<RDPaxosLog>("paxosLogTestDir3", true, 4 * 1024 * 1024);
Paxos *paxos3 = new Paxos(timeout, rlog);
paxos3->init(strConfig, 3, NULL);
sleep(1);
paxos1->requestVote();
sleep(2);
EXPECT_EQ(paxos1->getState(), Paxos::LEADER);
/* replicate a log */
LogEntry le;
le.set_index(0);
le.set_optype(1);
le.set_value("12345");
paxos1->replicateLog(le);
std::atomic<bool> shutdown(false);
auto worker_main = [&shutdown](Paxos* p, uint64_t time) {
while(shutdown.load() == false)
{
LogEntry le;
le.set_index(0);
le.set_optype(1);
le.set_value("12345");
if (p->getState() == Paxos::LEADER)
p->replicateLog(le);
usleep(time * 1000);
}
};
std::thread writer1(worker_main, paxos1, 100);
std::thread writer2(worker_main, paxos2, 100);
std::thread writer3(worker_main, paxos3, 100);
/* leader transfer */
std::thread op1([paxos1, paxos2, paxos3, &shutdown](){
while(shutdown.load() == false)
{
sleep(2);
paxos1->leaderTransfer(2);
paxos2->leaderTransfer(3);
paxos3->leaderTransfer(1);
}
});
/* config change (sometimes config change will cause leaderTransfer check fail) */
std::thread op2([paxos1, paxos2, paxos3, &shutdown](){
std::vector<std::string> strConfig;
strConfig.emplace_back("127.0.0.1:12000");
while(shutdown.load() == false)
{
sleep(3);
paxos1->changeLearners(Paxos::CCAddNode, strConfig);
paxos2->changeLearners(Paxos::CCAddNode, strConfig);
paxos3->changeLearners(Paxos::CCAddNode, strConfig);
sleep(3);
paxos1->changeLearners(Paxos::CCDelNode, strConfig);
paxos2->changeLearners(Paxos::CCDelNode, strConfig);
paxos3->changeLearners(Paxos::CCDelNode, strConfig);
sleep(3);
}
});
/* set cluster id (randomly kick a node out) */
std::thread op3([paxos1, paxos2, paxos3, &shutdown](){
while(shutdown.load() == false)
{
sleep(1);
switch (rand()%3) {
case 0:
paxos1->setClusterId(1);
sleep(1);
paxos1->setClusterId(0);
break;
case 1:
paxos2->setClusterId(1);
sleep(1);
paxos2->setClusterId(0);
break;
case 2:
paxos3->setClusterId(1);
sleep(1);
paxos3->setClusterId(0);
break;
}
}
});
/* how long to test */
sleep(20);
shutdown.store(true);
writer1.join();
writer2.join();
writer3.join();
op1.join();
op2.join();
op3.join();
paxos1->replicateLog(le);
paxos2->replicateLog(le);
paxos3->replicateLog(le);
sleep(2);
EXPECT_EQ(paxos1->getLastLogIndex(), paxos2->getLastLogIndex());
EXPECT_EQ(paxos2->getLastLogIndex(), paxos3->getLastLogIndex());
delete paxos1;
delete paxos2;
delete paxos3;
deleteDir("paxosLogTestDir1");
deleteDir("paxosLogTestDir2");
deleteDir("paxosLogTestDir3");
}