BewareMyPower commented on code in PR #533: URL: https://github.com/apache/pulsar-client-cpp/pull/533#discussion_r2693945935
########## lib/MockServer.h: ########## @@ -0,0 +1,130 @@ +/** + * 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. + */ +#pragma once + +#include <initializer_list> +#include <memory> +#include <mutex> +#include <unordered_map> +#include <vector> + +#include "ClientConnection.h" +#include "ConsumerImpl.h" +#include "ExecutorService.h" +#include "LogUtils.h" +#include "PulsarApi.pb.h" + +namespace pulsar { + +class MockServer : public std::enable_shared_from_this<MockServer> { + public: + using RequestDelayType = std::unordered_map<std::string, long /* delay in milliseconds */>; + + MockServer(const ClientConnectionPtr& connection) : connection_(connection) {} + + void setRequestDelay(std::initializer_list<typename RequestDelayType::value_type> delays) { + std::lock_guard<std::mutex> lock(mutex_); + for (auto&& delay : delays) { + requestDelays_[delay.first] = delay.second; + } + } + + bool sendRequest(const std::string& request, uint64_t requestId) { + auto connection = connection_.lock(); + if (!connection) { + return false; + } + std::lock_guard<std::mutex> lock(mutex_); + if (auto iter = requestDelays_.find(request); iter != requestDelays_.end()) { + // Mock the `CLOSE_CONSUMER` command sent by broker, for simplicity, disconnect all consumers + if (request == "SEEK") { + connection->executor_->postWork([connection] { + std::vector<uint64_t> consumerIds; + { + std::lock_guard<std::mutex> lock{connection->mutex_}; + for (auto&& kv : connection->consumers_) { + if (auto consumer = kv.second.lock()) { + consumerIds.push_back(consumer->getConsumerId()); + } + } + } + for (auto consumerId : consumerIds) { + proto::CommandCloseConsumer closeConsumerCmd; + closeConsumerCmd.set_consumer_id(consumerId); + connection->handleCloseConsumer(closeConsumerCmd); + } + }); + } + long delayMs = iter->second; + auto timer = connection->executor_->createDeadlineTimer(); + auto key = request + std::to_string(requestId); + pendingTimers_[key] = timer; + timer->expires_from_now(std::chrono::milliseconds(delayMs)); + + LOG_INFO("Mock sending request " << key << " with delay " << delayMs << " ms"); + auto self = shared_from_this(); + timer->async_wait([this, self, key, connection, requestId, timer](const auto& ec) { Review Comment: `timer`'s lifetime must exceed the callback, it's required by asio -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
