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old unbound #warning does not block compilation unit tests build fine. Even though the RPC/P2P network type is required again
644 lines
28 KiB
C++
644 lines
28 KiB
C++
// Copyright (c) 2014-2015, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#include <atomic>
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#include <chrono>
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#include <functional>
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#include <numeric>
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#include <thread>
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#include <vector>
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#include "gtest/gtest.h"
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#include "include_base_utils.h"
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#include "misc_language.h"
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#include "misc_log_ex.h"
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#include "storages/levin_abstract_invoke2.h"
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#include "net_load_tests.h"
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#include "../../contrib/otshell_utils/utils.hpp"
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using namespace net_load_tests;
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using namespace nOT::nUtils;
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namespace
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{
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const size_t CONNECTION_COUNT = 100000;
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const size_t CONNECTION_TIMEOUT = 10000;
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const size_t DEFAULT_OPERATION_TIMEOUT = 30000;
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const size_t RESERVED_CONN_CNT = 1;
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template<typename t_predicate>
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bool busy_wait_for(size_t timeout_ms, const t_predicate& predicate, size_t sleep_ms = 10)
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{
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for (size_t i = 0; i < timeout_ms / sleep_ms; ++i)
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{
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if (predicate())
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return true;
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//std::this_thread::sleep_for(std::chrono::milliseconds(sleep_ms));
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epee::misc_utils::sleep_no_w(static_cast<long>(sleep_ms));
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}
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return false;
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}
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class t_connection_opener_1
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{
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public:
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t_connection_opener_1(test_tcp_server& tcp_server, size_t open_request_target)
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: m_tcp_server(tcp_server)
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, m_open_request_target(open_request_target)
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, m_next_id(0)
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, m_error_count(0)
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, m_connections(open_request_target)
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{
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for (auto& conn_id : m_connections)
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conn_id = boost::uuids::nil_uuid();
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}
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bool open()
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{
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size_t id = m_next_id.fetch_add(1, std::memory_order_relaxed);
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if (m_open_request_target <= id)
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return false;
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bool r = m_tcp_server.connect_async("127.0.0.1", srv_port, CONNECTION_TIMEOUT, [=](const test_connection_context& context, const boost::system::error_code& ec) {
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if (!ec)
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{
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m_connections[id] = context.m_connection_id;
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}
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else
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{
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m_error_count.fetch_add(1, std::memory_order_relaxed);
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}
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});
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if (!r)
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{
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m_error_count.fetch_add(1, std::memory_order_relaxed);
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}
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return true;
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}
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bool close(size_t id)
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{
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if (!m_connections[id].is_nil())
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{
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m_tcp_server.get_config_object().close(m_connections[id]);
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return true;
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}
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else
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{
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return false;
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}
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}
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size_t error_count() const { return m_error_count.load(std::memory_order_relaxed); }
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private:
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test_tcp_server& m_tcp_server;
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size_t m_open_request_target;
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std::atomic<size_t> m_next_id;
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std::atomic<size_t> m_error_count;
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std::vector<boost::uuids::uuid> m_connections;
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};
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class t_connection_opener_2
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{
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public:
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t_connection_opener_2(test_tcp_server& tcp_server, size_t open_request_target, size_t max_opened_connection_count)
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: m_tcp_server(tcp_server)
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, m_open_request_target(open_request_target)
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, m_open_request_count(0)
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, m_error_count(0)
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, m_open_close_test_helper(tcp_server, open_request_target, max_opened_connection_count)
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{
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}
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bool open_and_close()
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{
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size_t req_count = m_open_request_count.fetch_add(1, std::memory_order_relaxed);
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if (m_open_request_target <= req_count)
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return false;
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bool r = m_tcp_server.connect_async("127.0.0.1", srv_port, CONNECTION_TIMEOUT, [=](const test_connection_context& context, const boost::system::error_code& ec) {
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if (!ec)
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{
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m_open_close_test_helper.handle_new_connection(context.m_connection_id);
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}
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else
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{
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m_error_count.fetch_add(1, std::memory_order_relaxed);
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}
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});
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if (!r)
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{
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m_error_count.fetch_add(1, std::memory_order_relaxed);
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}
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return true;
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}
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void close_remaining_connections()
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{
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m_open_close_test_helper.close_remaining_connections();
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}
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size_t opened_connection_count() const { return m_open_close_test_helper.opened_connection_count(); }
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size_t error_count() const { return m_error_count.load(std::memory_order_relaxed); }
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private:
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test_tcp_server& m_tcp_server;
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size_t m_open_request_target;
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std::atomic<size_t> m_open_request_count;
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std::atomic<size_t> m_error_count;
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open_close_test_helper m_open_close_test_helper;
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};
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class net_load_test_clt : public ::testing::Test
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{
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public:
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net_load_test_clt()
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: m_tcp_server(epee::net_utils::e_connection_type_RPC) // RPC disables network limit for unit tests
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{
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}
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protected:
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virtual void SetUp()
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{
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m_thread_count = (std::max)(min_thread_count, std::thread::hardware_concurrency() / 2);
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m_tcp_server.get_config_object().m_pcommands_handler = &m_commands_handler;
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m_tcp_server.get_config_object().m_invoke_timeout = CONNECTION_TIMEOUT;
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ASSERT_TRUE(m_tcp_server.init_server(clt_port, "127.0.0.1"));
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ASSERT_TRUE(m_tcp_server.run_server(m_thread_count, false));
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// Connect to server
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std::atomic<int> conn_status(0);
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m_cmd_conn_id = boost::uuids::nil_uuid();
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ASSERT_TRUE(m_tcp_server.connect_async("127.0.0.1", srv_port, CONNECTION_TIMEOUT, [&](const test_connection_context& context, const boost::system::error_code& ec) {
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if (!ec)
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{
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m_cmd_conn_id = context.m_connection_id;
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}
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else
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{
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LOG_ERROR("Connection error: " << ec.message());
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}
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conn_status.store(1, std::memory_order_seq_cst);
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}));
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EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return 0 != conn_status.load(std::memory_order_seq_cst); })) << "connect_async timed out";
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ASSERT_EQ(1, conn_status.load(std::memory_order_seq_cst));
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ASSERT_FALSE(m_cmd_conn_id.is_nil());
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conn_status.store(0, std::memory_order_seq_cst);
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CMD_RESET_STATISTICS::request req;
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ASSERT_TRUE(epee::net_utils::async_invoke_remote_command2<CMD_RESET_STATISTICS::response>(m_cmd_conn_id, CMD_RESET_STATISTICS::ID, req,
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m_tcp_server.get_config_object(), [&](int code, const CMD_RESET_STATISTICS::response& rsp, const test_connection_context&) {
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conn_status.store(code, std::memory_order_seq_cst);
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}));
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EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return 0 != conn_status.load(std::memory_order_seq_cst); })) << "reset statistics timed out";
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ASSERT_LT(0, conn_status.load(std::memory_order_seq_cst));
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}
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virtual void TearDown()
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{
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m_tcp_server.send_stop_signal();
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ASSERT_TRUE(m_tcp_server.timed_wait_server_stop(DEFAULT_OPERATION_TIMEOUT));
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}
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static void TearDownTestCase()
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{
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// Stop server
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test_levin_commands_handler commands_handler;
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test_tcp_server tcp_server(epee::net_utils::e_connection_type_NET);
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tcp_server.get_config_object().m_pcommands_handler = &commands_handler;
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tcp_server.get_config_object().m_invoke_timeout = CONNECTION_TIMEOUT;
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if (!tcp_server.init_server(clt_port, "127.0.0.1")) return;
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if (!tcp_server.run_server(2, false)) return;
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// Connect to server and invoke shutdown command
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std::atomic<int> conn_status(0);
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boost::uuids::uuid cmd_conn_id = boost::uuids::nil_uuid();
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tcp_server.connect_async("127.0.0.1", srv_port, CONNECTION_TIMEOUT, [&](const test_connection_context& context, const boost::system::error_code& ec) {
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cmd_conn_id = context.m_connection_id;
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conn_status.store(!ec ? 1 : -1, std::memory_order_seq_cst);
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});
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if (!busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return 0 != conn_status.load(std::memory_order_seq_cst); })) return;
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if (1 != conn_status.load(std::memory_order_seq_cst)) return;
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epee::net_utils::notify_remote_command2(cmd_conn_id, CMD_SHUTDOWN::ID, CMD_SHUTDOWN::request(), tcp_server.get_config_object());
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busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return 0 != commands_handler.close_connection_counter(); });
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}
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template<typename Func>
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static auto call_func(size_t /*thread_index*/, const Func& func, int) -> decltype(func())
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{
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func();
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}
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template<typename Func>
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static auto call_func(size_t thread_index, const Func& func, long) -> decltype(func(thread_index))
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{
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func(thread_index);
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}
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template<typename Func>
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void parallel_exec(const Func& func)
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{
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unit_test::call_counter properly_finished_threads;
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std::vector<std::thread> threads(m_thread_count);
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for (size_t i = 0; i < threads.size(); ++i)
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{
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threads[i] = std::thread([&, i] {
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call_func(i, func, 0);
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properly_finished_threads.inc();
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});
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}
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for (auto& th : threads)
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th.join();
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ASSERT_EQ(properly_finished_threads.get(), m_thread_count);
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}
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void get_server_statistics(CMD_GET_STATISTICS::response& statistics)
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{
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std::atomic<int> req_status(0);
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CMD_GET_STATISTICS::request req;
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ASSERT_TRUE(epee::net_utils::async_invoke_remote_command2<CMD_GET_STATISTICS::response>(m_cmd_conn_id, CMD_GET_STATISTICS::ID, req,
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m_tcp_server.get_config_object(), [&](int code, const CMD_GET_STATISTICS::response& rsp, const test_connection_context&) {
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if (0 < code)
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{
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statistics = rsp;
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}
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else
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{
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LOG_ERROR("Get server statistics error: " << code);
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}
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req_status.store(0 < code ? 1 : -1, std::memory_order_seq_cst);
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}));
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EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return 0 != req_status.load(std::memory_order_seq_cst); })) << "get_server_statistics timed out";
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ASSERT_EQ(1, req_status.load(std::memory_order_seq_cst));
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}
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template <typename t_predicate>
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bool busy_wait_for_server_statistics(CMD_GET_STATISTICS::response& statistics, const t_predicate& predicate)
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{
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for (size_t i = 0; i < 30; ++i)
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{
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get_server_statistics(statistics);
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if (predicate(statistics))
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{
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return true;
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}
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//std::this_thread::sleep_for(std::chrono::seconds(1));
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epee::misc_utils::sleep_no_w(1000);
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}
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return false;
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}
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void ask_for_data_requests(size_t request_size = 0)
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{
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CMD_SEND_DATA_REQUESTS::request req;
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req.request_size = request_size;
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epee::net_utils::notify_remote_command2(m_cmd_conn_id, CMD_SEND_DATA_REQUESTS::ID, req, m_tcp_server.get_config_object());
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}
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protected:
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test_tcp_server m_tcp_server;
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test_levin_commands_handler m_commands_handler;
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size_t m_thread_count;
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boost::uuids::uuid m_cmd_conn_id;
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};
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}
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TEST_F(net_load_test_clt, a_lot_of_client_connections_and_connections_closed_by_client)
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{
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// Open connections
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t_connection_opener_1 connection_opener(m_tcp_server, CONNECTION_COUNT);
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parallel_exec([&] {
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while (connection_opener.open());
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});
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// Wait for all open requests to complete
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EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return CONNECTION_COUNT + RESERVED_CONN_CNT <= m_commands_handler.new_connection_counter() + connection_opener.error_count(); }));
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LOG_PRINT_L0("number of opened connections / fails (total): " << m_commands_handler.new_connection_counter() <<
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" / " << connection_opener.error_count() << " (" << (m_commands_handler.new_connection_counter() + connection_opener.error_count()) << ")");
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// Check
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ASSERT_GT(m_commands_handler.new_connection_counter(), RESERVED_CONN_CNT);
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ASSERT_EQ(m_commands_handler.new_connection_counter() + connection_opener.error_count(), CONNECTION_COUNT + RESERVED_CONN_CNT);
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ASSERT_EQ(m_commands_handler.new_connection_counter() - m_commands_handler.close_connection_counter(), m_tcp_server.get_config_object().get_connections_count());
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// Close connections
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parallel_exec([&](size_t thread_idx) {
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for (size_t i = thread_idx; i < CONNECTION_COUNT; i += m_thread_count)
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{
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connection_opener.close(i);
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}
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});
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// Wait for all opened connections to close
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EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT <= m_commands_handler.close_connection_counter(); }));
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LOG_PRINT_L0("number of opened / closed connections: " << m_tcp_server.get_config_object().get_connections_count() <<
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" / " << m_commands_handler.close_connection_counter());
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// Check all connections are closed
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ASSERT_EQ(m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT, m_commands_handler.close_connection_counter());
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ASSERT_EQ(RESERVED_CONN_CNT, m_tcp_server.get_config_object().get_connections_count());
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// Wait for server to handle all open and close requests
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CMD_GET_STATISTICS::response srv_stat;
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busy_wait_for_server_statistics(srv_stat, [](const CMD_GET_STATISTICS::response& stat) { return stat.new_connection_counter - RESERVED_CONN_CNT <= stat.close_connection_counter; });
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LOG_PRINT_L0("server statistics: " << srv_stat.to_string());
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// Check server status
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// It's OK, if server didn't close all opened connections, because of it could receive not all FIN packets
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ASSERT_LE(srv_stat.close_connection_counter, srv_stat.new_connection_counter - RESERVED_CONN_CNT);
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ASSERT_LE(RESERVED_CONN_CNT, srv_stat.opened_connections_count);
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// Request data from server, it causes to close rest connections
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ask_for_data_requests();
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// Wait for server to close rest connections
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busy_wait_for_server_statistics(srv_stat, [](const CMD_GET_STATISTICS::response& stat) { return stat.new_connection_counter - RESERVED_CONN_CNT <= stat.close_connection_counter; });
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LOG_PRINT_L0("server statistics: " << srv_stat.to_string());
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// Check server status. All connections should be closed
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ASSERT_EQ(srv_stat.close_connection_counter, srv_stat.new_connection_counter - RESERVED_CONN_CNT);
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ASSERT_EQ(RESERVED_CONN_CNT, srv_stat.opened_connections_count);
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}
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TEST_F(net_load_test_clt, a_lot_of_client_connections_and_connections_closed_by_server)
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{
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// Open connections
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t_connection_opener_1 connection_opener(m_tcp_server, CONNECTION_COUNT);
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parallel_exec([&] {
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while (connection_opener.open());
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});
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// Wait for all open requests to complete
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EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return CONNECTION_COUNT + RESERVED_CONN_CNT <= m_commands_handler.new_connection_counter() + connection_opener.error_count(); }));
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LOG_PRINT_L0("number of opened connections / fails (total): " << m_commands_handler.new_connection_counter() <<
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" / " << connection_opener.error_count() << " (" << (m_commands_handler.new_connection_counter() + connection_opener.error_count()) << ")");
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// Check
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ASSERT_GT(m_commands_handler.new_connection_counter(), RESERVED_CONN_CNT);
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ASSERT_EQ(m_commands_handler.new_connection_counter() + connection_opener.error_count(), CONNECTION_COUNT + RESERVED_CONN_CNT);
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ASSERT_EQ(m_commands_handler.new_connection_counter() - m_commands_handler.close_connection_counter(), m_tcp_server.get_config_object().get_connections_count());
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// Wait for server accepts all connections
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CMD_GET_STATISTICS::response srv_stat;
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int last_new_connection_counter = -1;
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busy_wait_for_server_statistics(srv_stat, [&last_new_connection_counter](const CMD_GET_STATISTICS::response& stat) {
|
|
if (last_new_connection_counter == static_cast<int>(stat.new_connection_counter)) return true;
|
|
else { last_new_connection_counter = static_cast<int>(stat.new_connection_counter); return false; }
|
|
});
|
|
|
|
// Close connections
|
|
CMD_CLOSE_ALL_CONNECTIONS::request req;
|
|
ASSERT_TRUE(epee::net_utils::notify_remote_command2(m_cmd_conn_id, CMD_CLOSE_ALL_CONNECTIONS::ID, req, m_tcp_server.get_config_object()));
|
|
|
|
// Wait for all opened connections to close
|
|
busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT <= m_commands_handler.close_connection_counter(); });
|
|
LOG_PRINT_L0("number of opened / closed connections: " << m_tcp_server.get_config_object().get_connections_count() <<
|
|
" / " << m_commands_handler.close_connection_counter());
|
|
|
|
// It's OK, if server didn't close all connections, because it could accept not all our connections
|
|
ASSERT_LE(m_commands_handler.close_connection_counter(), m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT);
|
|
ASSERT_LE(RESERVED_CONN_CNT, m_tcp_server.get_config_object().get_connections_count());
|
|
|
|
// Wait for server to handle all open and close requests
|
|
busy_wait_for_server_statistics(srv_stat, [](const CMD_GET_STATISTICS::response& stat) { return stat.new_connection_counter - RESERVED_CONN_CNT <= stat.close_connection_counter; });
|
|
LOG_PRINT_L0("server statistics: " << srv_stat.to_string());
|
|
|
|
// Check server status
|
|
ASSERT_EQ(srv_stat.close_connection_counter, srv_stat.new_connection_counter - RESERVED_CONN_CNT);
|
|
ASSERT_EQ(RESERVED_CONN_CNT, srv_stat.opened_connections_count);
|
|
|
|
// Close rest connections
|
|
m_tcp_server.get_config_object().foreach_connection([&](test_connection_context& ctx) {
|
|
if (ctx.m_connection_id != m_cmd_conn_id)
|
|
{
|
|
CMD_DATA_REQUEST::request req;
|
|
bool r = epee::net_utils::async_invoke_remote_command2<CMD_DATA_REQUEST::response>(ctx.m_connection_id, CMD_DATA_REQUEST::ID, req,
|
|
m_tcp_server.get_config_object(), [=](int code, const CMD_DATA_REQUEST::response& rsp, const test_connection_context&) {
|
|
if (code <= 0)
|
|
{
|
|
LOG_PRINT_L0("Failed to invoke CMD_DATA_REQUEST. code = " << code);
|
|
}
|
|
});
|
|
if (!r)
|
|
LOG_PRINT_L0("Failed to invoke CMD_DATA_REQUEST");
|
|
}
|
|
return true;
|
|
});
|
|
|
|
// Wait for all opened connections to close
|
|
EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT <= m_commands_handler.close_connection_counter(); }));
|
|
LOG_PRINT_L0("number of opened / closed connections: " << m_tcp_server.get_config_object().get_connections_count() <<
|
|
" / " << m_commands_handler.close_connection_counter());
|
|
|
|
// Check
|
|
ASSERT_EQ(m_commands_handler.close_connection_counter(), m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT);
|
|
ASSERT_EQ(RESERVED_CONN_CNT, m_tcp_server.get_config_object().get_connections_count());
|
|
}
|
|
|
|
TEST_F(net_load_test_clt, permament_open_and_close_and_connections_closed_by_client)
|
|
{
|
|
static const size_t MAX_OPENED_CONN_COUNT = 100;
|
|
|
|
// Open/close connections
|
|
t_connection_opener_2 connection_opener(m_tcp_server, CONNECTION_COUNT, MAX_OPENED_CONN_COUNT);
|
|
parallel_exec([&] {
|
|
while (connection_opener.open_and_close());
|
|
});
|
|
|
|
// Wait for all open requests to complete
|
|
EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return CONNECTION_COUNT + RESERVED_CONN_CNT <= m_commands_handler.new_connection_counter() + connection_opener.error_count(); }));
|
|
LOG_PRINT_L0("number of opened connections / fails (total): " << m_commands_handler.new_connection_counter() <<
|
|
" / " << connection_opener.error_count() << " (" << (m_commands_handler.new_connection_counter() + connection_opener.error_count()) << ")");
|
|
|
|
// Check
|
|
ASSERT_GT(m_commands_handler.new_connection_counter(), RESERVED_CONN_CNT);
|
|
ASSERT_EQ(m_commands_handler.new_connection_counter() + connection_opener.error_count(), CONNECTION_COUNT + RESERVED_CONN_CNT);
|
|
|
|
// Wait for all close requests to complete
|
|
EXPECT_TRUE(busy_wait_for(4 * DEFAULT_OPERATION_TIMEOUT, [&](){ return connection_opener.opened_connection_count() <= MAX_OPENED_CONN_COUNT; }));
|
|
LOG_PRINT_L0("actual number of opened connections: " << connection_opener.opened_connection_count());
|
|
|
|
// Check
|
|
ASSERT_EQ(MAX_OPENED_CONN_COUNT, connection_opener.opened_connection_count());
|
|
|
|
connection_opener.close_remaining_connections();
|
|
|
|
// Wait for all close requests to complete
|
|
EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return m_commands_handler.new_connection_counter() <= m_commands_handler.close_connection_counter() + RESERVED_CONN_CNT; }));
|
|
LOG_PRINT_L0("actual number of opened connections: " << connection_opener.opened_connection_count());
|
|
|
|
ASSERT_EQ(m_commands_handler.new_connection_counter(), m_commands_handler.close_connection_counter() + RESERVED_CONN_CNT);
|
|
ASSERT_EQ(0, connection_opener.opened_connection_count());
|
|
ASSERT_EQ(RESERVED_CONN_CNT, m_tcp_server.get_config_object().get_connections_count());
|
|
|
|
// Wait for server to handle all open and close requests
|
|
CMD_GET_STATISTICS::response srv_stat;
|
|
busy_wait_for_server_statistics(srv_stat, [](const CMD_GET_STATISTICS::response& stat) { return stat.new_connection_counter - RESERVED_CONN_CNT <= stat.close_connection_counter; });
|
|
LOG_PRINT_L0("server statistics: " << srv_stat.to_string());
|
|
|
|
// Check server status
|
|
// It's OK, if server didn't close all opened connections, because of it could receive not all FIN packets
|
|
ASSERT_LE(srv_stat.close_connection_counter, srv_stat.new_connection_counter - RESERVED_CONN_CNT);
|
|
ASSERT_LE(RESERVED_CONN_CNT, srv_stat.opened_connections_count);
|
|
|
|
// Request data from server, it causes to close rest connections
|
|
ask_for_data_requests();
|
|
|
|
// Wait for server to close rest connections
|
|
busy_wait_for_server_statistics(srv_stat, [](const CMD_GET_STATISTICS::response& stat) { return stat.new_connection_counter - RESERVED_CONN_CNT <= stat.close_connection_counter; });
|
|
LOG_PRINT_L0("server statistics: " << srv_stat.to_string());
|
|
|
|
// Check server status. All connections should be closed
|
|
ASSERT_EQ(srv_stat.close_connection_counter, srv_stat.new_connection_counter - RESERVED_CONN_CNT);
|
|
ASSERT_EQ(RESERVED_CONN_CNT, srv_stat.opened_connections_count);
|
|
}
|
|
|
|
TEST_F(net_load_test_clt, permament_open_and_close_and_connections_closed_by_server)
|
|
{
|
|
static const size_t MAX_OPENED_CONN_COUNT = 100;
|
|
|
|
// Init test
|
|
std::atomic<int> test_state(0);
|
|
CMD_START_OPEN_CLOSE_TEST::request req_start;
|
|
req_start.open_request_target = CONNECTION_COUNT;
|
|
req_start.max_opened_conn_count = MAX_OPENED_CONN_COUNT;
|
|
ASSERT_TRUE(epee::net_utils::async_invoke_remote_command2<CMD_START_OPEN_CLOSE_TEST::response>(m_cmd_conn_id, CMD_START_OPEN_CLOSE_TEST::ID, req_start,
|
|
m_tcp_server.get_config_object(), [&](int code, const CMD_START_OPEN_CLOSE_TEST::response&, const test_connection_context&) {
|
|
test_state.store(0 < code ? 1 : -1, std::memory_order_seq_cst);
|
|
}));
|
|
|
|
// Wait for server response
|
|
EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&]{ return 1 == test_state.load(std::memory_order_seq_cst); }));
|
|
ASSERT_EQ(1, test_state.load(std::memory_order_seq_cst));
|
|
|
|
// Open connections
|
|
t_connection_opener_1 connection_opener(m_tcp_server, CONNECTION_COUNT);
|
|
parallel_exec([&] {
|
|
while (connection_opener.open());
|
|
});
|
|
|
|
// Wait for all open requests to complete
|
|
EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return CONNECTION_COUNT + RESERVED_CONN_CNT <= m_commands_handler.new_connection_counter() + connection_opener.error_count(); }));
|
|
LOG_PRINT_L0("number of opened connections / fails (total): " << m_commands_handler.new_connection_counter() <<
|
|
" / " << connection_opener.error_count() << " (" << (m_commands_handler.new_connection_counter() + connection_opener.error_count()) << ")");
|
|
LOG_PRINT_L0("actual number of opened connections: " << m_tcp_server.get_config_object().get_connections_count());
|
|
|
|
ASSERT_GT(m_commands_handler.new_connection_counter(), RESERVED_CONN_CNT);
|
|
ASSERT_EQ(m_commands_handler.new_connection_counter() + connection_opener.error_count(), CONNECTION_COUNT + RESERVED_CONN_CNT);
|
|
|
|
// Wait for server accepts all connections
|
|
CMD_GET_STATISTICS::response srv_stat;
|
|
int last_new_connection_counter = -1;
|
|
busy_wait_for_server_statistics(srv_stat, [&last_new_connection_counter](const CMD_GET_STATISTICS::response& stat) {
|
|
if (last_new_connection_counter == static_cast<int>(stat.new_connection_counter)) return true;
|
|
else { last_new_connection_counter = static_cast<int>(stat.new_connection_counter); return false; }
|
|
});
|
|
|
|
// Ask server to close rest connections
|
|
CMD_CLOSE_ALL_CONNECTIONS::request req;
|
|
ASSERT_TRUE(epee::net_utils::notify_remote_command2(m_cmd_conn_id, CMD_CLOSE_ALL_CONNECTIONS::ID, req, m_tcp_server.get_config_object()));
|
|
|
|
// Wait for almost all connections to be closed by server
|
|
busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return m_commands_handler.new_connection_counter() <= m_commands_handler.close_connection_counter() + RESERVED_CONN_CNT; });
|
|
|
|
// It's OK, if there are opened connections, because server could accept not all our connections
|
|
ASSERT_LE(m_commands_handler.close_connection_counter() + RESERVED_CONN_CNT, m_commands_handler.new_connection_counter());
|
|
ASSERT_LE(RESERVED_CONN_CNT, m_tcp_server.get_config_object().get_connections_count());
|
|
|
|
// Wait for server to handle all open and close requests
|
|
busy_wait_for_server_statistics(srv_stat, [](const CMD_GET_STATISTICS::response& stat) { return stat.new_connection_counter - RESERVED_CONN_CNT <= stat.close_connection_counter; });
|
|
LOG_PRINT_L0("server statistics: " << srv_stat.to_string());
|
|
|
|
// Check server status
|
|
ASSERT_EQ(srv_stat.close_connection_counter, srv_stat.new_connection_counter - RESERVED_CONN_CNT);
|
|
ASSERT_EQ(RESERVED_CONN_CNT, srv_stat.opened_connections_count);
|
|
|
|
// Close rest connections
|
|
m_tcp_server.get_config_object().foreach_connection([&](test_connection_context& ctx) {
|
|
if (ctx.m_connection_id != m_cmd_conn_id)
|
|
{
|
|
CMD_DATA_REQUEST::request req;
|
|
bool r = epee::net_utils::async_invoke_remote_command2<CMD_DATA_REQUEST::response>(ctx.m_connection_id, CMD_DATA_REQUEST::ID, req,
|
|
m_tcp_server.get_config_object(), [=](int code, const CMD_DATA_REQUEST::response& rsp, const test_connection_context&) {
|
|
if (code <= 0)
|
|
{
|
|
LOG_PRINT_L0("Failed to invoke CMD_DATA_REQUEST. code = " << code);
|
|
}
|
|
});
|
|
if (!r)
|
|
LOG_PRINT_L0("Failed to invoke CMD_DATA_REQUEST");
|
|
}
|
|
return true;
|
|
});
|
|
|
|
// Wait for all opened connections to close
|
|
EXPECT_TRUE(busy_wait_for(DEFAULT_OPERATION_TIMEOUT, [&](){ return m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT <= m_commands_handler.close_connection_counter(); }));
|
|
LOG_PRINT_L0("number of opened / closed connections: " << m_tcp_server.get_config_object().get_connections_count() <<
|
|
" / " << m_commands_handler.close_connection_counter());
|
|
|
|
// Check
|
|
ASSERT_EQ(m_commands_handler.close_connection_counter(), m_commands_handler.new_connection_counter() - RESERVED_CONN_CNT);
|
|
ASSERT_EQ(RESERVED_CONN_CNT, m_tcp_server.get_config_object().get_connections_count());
|
|
}
|
|
|
|
unsigned int epee::g_test_dbg_lock_sleep = 0;
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
epee::debug::get_set_enable_assert(true, false);
|
|
//set up logging options
|
|
epee::log_space::get_set_log_detalisation_level(true, LOG_LEVEL_0);
|
|
epee::log_space::log_singletone::add_logger(LOGGER_CONSOLE, NULL, NULL);
|
|
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
epee::net_utils::data_logger::get_instance().kill_instance();
|
|
return RUN_ALL_TESTS();
|
|
}
|