mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 11:32:03 +00:00
274 lines
8.5 KiB
C++
274 lines
8.5 KiB
C++
#include <IO/ReadBufferFromString.h>
|
|
#include <IO/ReadHelpers.h>
|
|
#include <Poco/ConsoleChannel.h>
|
|
#include <Common/ZooKeeper/KeeperException.h>
|
|
#include <Common/ZooKeeper/ZooKeeper.h>
|
|
#include <common/LineReader.h>
|
|
#include <common/logger_useful.h>
|
|
#include <fmt/format.h>
|
|
#include <random>
|
|
#include <iterator>
|
|
#include <algorithm>
|
|
#include <chrono>
|
|
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include <exception>
|
|
#include <future>
|
|
|
|
using namespace std;
|
|
|
|
/// TODO: Remove ME
|
|
|
|
void checkEq(zkutil::ZooKeeper & zk, const std::string & path, const std::string & expected)
|
|
{
|
|
auto result = zk.get(path);
|
|
if (result != expected)
|
|
throw std::runtime_error(fmt::format("Data on path '{}' = '{}' doesn't match expected '{}'",
|
|
path, result, expected));
|
|
}
|
|
|
|
void checkExists(zkutil::ZooKeeper & zk, const std::string & path)
|
|
{
|
|
if (!zk.exists(path))
|
|
throw std::runtime_error(fmt::format("Path '{}' doesn't exists", path));
|
|
}
|
|
|
|
void testCreateGetExistsNode(zkutil::ZooKeeper & zk)
|
|
{
|
|
zk.create("/data", "test_string", zkutil::CreateMode::Persistent);
|
|
zk.create("/data/seq-", "another_string", zkutil::CreateMode::PersistentSequential);
|
|
checkEq(zk, "/data", "test_string");
|
|
checkExists(zk, "/data/seq-0000000000");
|
|
checkEq(zk, "/data/seq-0000000000", "another_string");
|
|
}
|
|
|
|
void testCreateSetNode(zkutil::ZooKeeper & zk)
|
|
{
|
|
zk.create("/data/set", "sssss", zkutil::CreateMode::Persistent);
|
|
checkEq(zk, "/data/set", "sssss");
|
|
zk.set("/data/set", "qqqqq");
|
|
checkEq(zk, "/data/set", "qqqqq");
|
|
}
|
|
|
|
void testCreateList(zkutil::ZooKeeper & zk)
|
|
{
|
|
zk.create("/data/lst", "", zkutil::CreateMode::Persistent);
|
|
zk.create("/data/lst/d1", "", zkutil::CreateMode::Persistent);
|
|
zk.create("/data/lst/d2", "", zkutil::CreateMode::Persistent);
|
|
zk.create("/data/lst/d3", "", zkutil::CreateMode::Persistent);
|
|
auto children = zk.getChildren("/data/lst");
|
|
if (children.size() != 3)
|
|
throw std::runtime_error("Children of /data/lst doesn't equal to three");
|
|
for (size_t i = 0; i < children.size(); ++i)
|
|
{
|
|
if (children[i] != "d" + std::to_string(i + 1))
|
|
throw std::runtime_error(fmt::format("Incorrect children #{} got {}, expected {}", i, children[i], "d" + std::to_string(i + 1)));
|
|
}
|
|
}
|
|
|
|
void testCreateSetVersionRequest(zkutil::ZooKeeper & zk)
|
|
{
|
|
zk.create("/data/check_data", "d", zkutil::CreateMode::Persistent);
|
|
Coordination::Stat stat;
|
|
std::string result = zk.get("/data/check_data", &stat);
|
|
try
|
|
{
|
|
zk.set("/data/check_data", "e", stat.version + 2);
|
|
std::terminate();
|
|
}
|
|
catch (...)
|
|
{
|
|
std::cerr << "Got exception on incorrect version (it's ok)\n";
|
|
}
|
|
|
|
checkEq(zk, "/data/check_data", "d");
|
|
zk.set("/data/check_data", "e", stat.version);
|
|
|
|
checkEq(zk, "/data/check_data", "e");
|
|
}
|
|
|
|
void testCreateSetWatchEvent(zkutil::ZooKeeper & zk)
|
|
{
|
|
|
|
std::shared_ptr<Poco::Event> event = std::make_shared<Poco::Event>();
|
|
zk.create("/data/nodeforwatch", "", zkutil::CreateMode::Persistent);
|
|
Coordination::Stat stat;
|
|
zk.get("/data/nodeforwatch", &stat, event);
|
|
|
|
if (event->tryWait(300))
|
|
throw std::runtime_error(fmt::format("Event for path {} was set without any actions", "/data/nodeforwatch"));
|
|
|
|
zk.set("/data/nodeforwatch", "x");
|
|
if (!event->tryWait(300))
|
|
throw std::runtime_error(fmt::format("Event for path {} was not set after set", "/data/nodeforwatch"));
|
|
else
|
|
std::cerr << "Event was set well\n";
|
|
}
|
|
|
|
void testCreateListWatchEvent(zkutil::ZooKeeper & zk)
|
|
{
|
|
std::shared_ptr<Poco::Event> event = std::make_shared<Poco::Event>();
|
|
std::string path = "/data/pathforwatch";
|
|
zk.create(path, "", zkutil::CreateMode::Persistent);
|
|
zk.create(path + "/n1", "", zkutil::CreateMode::Persistent);
|
|
zk.create(path + "/n2", "", zkutil::CreateMode::Persistent);
|
|
zk.getChildren(path, nullptr, event);
|
|
|
|
if (event->tryWait(300))
|
|
throw std::runtime_error(fmt::format("ListEvent for path {} was set without any actions", path));
|
|
|
|
zk.create(path + "/n3", "", zkutil::CreateMode::Persistent);
|
|
if (!event->tryWait(300))
|
|
throw std::runtime_error(fmt::format("ListEvent for path {} was not set after create", path));
|
|
else
|
|
std::cerr << "ListEvent was set well\n";
|
|
}
|
|
|
|
void testMultiRequest(zkutil::ZooKeeper & zk)
|
|
{
|
|
Coordination::Requests requests;
|
|
requests.push_back(zkutil::makeCreateRequest("/data/multirequest", "aaa", zkutil::CreateMode::Persistent));
|
|
requests.push_back(zkutil::makeSetRequest("/data/multirequest", "bbb", -1));
|
|
zk.multi(requests);
|
|
|
|
try
|
|
{
|
|
requests.clear();
|
|
requests.push_back(zkutil::makeCreateRequest("/data/multirequest", "qweqwe", zkutil::CreateMode::Persistent));
|
|
requests.push_back(zkutil::makeSetRequest("/data/multirequest", "bbb", -1));
|
|
requests.push_back(zkutil::makeSetRequest("/data/multirequest", "ccc", -1));
|
|
zk.multi(requests);
|
|
std::terminate();
|
|
}
|
|
catch (...)
|
|
{
|
|
std::cerr << "Got exception on multy request (it's ok)\n";
|
|
}
|
|
|
|
checkEq(zk, "/data/multirequest", "bbb");
|
|
}
|
|
|
|
std::mutex elements_mutex;
|
|
std::vector<int> current_elements;
|
|
std::atomic<int> watches_triggered = 0;
|
|
|
|
void triggerWatch(const Coordination::WatchResponse &)
|
|
{
|
|
watches_triggered++;
|
|
}
|
|
|
|
template<typename Iter, typename RandomGenerator>
|
|
Iter select_randomly(Iter start, Iter end, RandomGenerator& g)
|
|
{
|
|
std::uniform_int_distribution<> dis(0, std::distance(start, end) - 1);
|
|
std::advance(start, dis(g));
|
|
return start;
|
|
}
|
|
|
|
template<typename Iter>
|
|
Iter select_randomly(Iter start, Iter end)
|
|
{
|
|
static std::random_device rd;
|
|
static std::mt19937 gen(rd());
|
|
return select_randomly(start, end, gen);
|
|
}
|
|
|
|
std::atomic<int> element_counter = 0;
|
|
std::atomic<int> failed_setup_counter = 0;
|
|
|
|
void createPathAndSetWatch(zkutil::ZooKeeper & zk, const String & path_prefix, size_t total)
|
|
{
|
|
for (size_t i = 0; i < total; ++i)
|
|
{
|
|
int element = element_counter++;
|
|
zk.createIfNotExists(path_prefix + "/" + std::to_string(element), "");
|
|
|
|
std::string result;
|
|
if (!zk.tryGetWatch(path_prefix + "/" + std::to_string(element), result, nullptr, triggerWatch))
|
|
failed_setup_counter++;
|
|
|
|
{
|
|
std::lock_guard lock(elements_mutex);
|
|
current_elements.push_back(element);
|
|
}
|
|
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(200));
|
|
|
|
{
|
|
std::lock_guard lock(elements_mutex);
|
|
if (current_elements.empty())
|
|
continue;
|
|
element = *select_randomly(current_elements.begin(), current_elements.end());
|
|
current_elements.erase(std::remove(current_elements.begin(), current_elements.end(), element), current_elements.end());
|
|
}
|
|
zk.tryRemove(path_prefix + "/" + std::to_string(element));
|
|
}
|
|
|
|
}
|
|
|
|
void tryConcurrentWatches(zkutil::ZooKeeper & zk)
|
|
{
|
|
std::string path_prefix = "/concurrent_watches";
|
|
std::vector<std::future<void>> asyncs;
|
|
zk.createIfNotExists(path_prefix, "");
|
|
for (size_t i = 0; i < 100; ++i)
|
|
{
|
|
auto callback = [&zk, path_prefix] ()
|
|
{
|
|
createPathAndSetWatch(zk, path_prefix, 100);
|
|
};
|
|
asyncs.push_back(std::async(std::launch::async, callback));
|
|
}
|
|
|
|
for (auto & async : asyncs)
|
|
{
|
|
async.wait();
|
|
}
|
|
|
|
size_t counter = 0;
|
|
while (watches_triggered != 100 * 100)
|
|
{
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
|
if (counter++ > 20)
|
|
break;
|
|
}
|
|
|
|
std::cerr << "Failed setup counter:" << failed_setup_counter << std::endl;
|
|
std::cerr << "Current elements size:" << current_elements.size() << std::endl;
|
|
std::cerr << "WatchesTriggered:" << watches_triggered << std::endl;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
{
|
|
std::cerr << "usage: " << argv[0] << " hosts" << std::endl;
|
|
return 2;
|
|
}
|
|
Poco::AutoPtr<Poco::ConsoleChannel> channel = new Poco::ConsoleChannel(std::cerr);
|
|
Poco::Logger::root().setChannel(channel);
|
|
Poco::Logger::root().setLevel("trace");
|
|
|
|
zkutil::ZooKeeper zk(argv[1]);
|
|
|
|
try
|
|
{
|
|
zk.tryRemoveRecursive("/data");
|
|
testCreateGetExistsNode(zk);
|
|
testCreateSetNode(zk);
|
|
testCreateList(zk);
|
|
testCreateSetVersionRequest(zk);
|
|
testMultiRequest(zk);
|
|
testCreateSetWatchEvent(zk);
|
|
testCreateListWatchEvent(zk);
|
|
tryConcurrentWatches(zk);
|
|
}
|
|
catch (...)
|
|
{
|
|
zk.tryRemoveRecursive("/data");
|
|
throw;
|
|
}
|
|
return 0;
|
|
}
|