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313 lines
11 KiB
C++
313 lines
11 KiB
C++
// Copyright (c) 2017-2020, 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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#include "include_base_utils.h"
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#include "file_io_utils.h"
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#include "net/net_utils_base.h"
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#include "net/abstract_tcp_server2.h"
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#include "storages/levin_abstract_invoke2.h"
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#include "net/levin_protocol_handler_async.h"
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#include "fuzzer.h"
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namespace
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{
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class call_counter
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{
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public:
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call_counter() : m_counter(0) { }
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// memory_order_relaxed is enough for call counter
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void inc() volatile { m_counter.fetch_add(1, std::memory_order_relaxed); }
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size_t get() volatile const { return m_counter.load(std::memory_order_relaxed); }
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void reset() volatile { m_counter.store(0, std::memory_order_relaxed); }
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private:
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std::atomic<size_t> m_counter;
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};
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struct test_levin_connection_context : public epee::net_utils::connection_context_base
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{
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static constexpr int handshake_command() noexcept { return 1001; }
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static constexpr bool handshake_complete() noexcept { return true; }
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size_t get_max_bytes(int command) const { return LEVIN_DEFAULT_MAX_PACKET_SIZE; }
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};
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typedef epee::levin::async_protocol_handler_config<test_levin_connection_context> test_levin_protocol_handler_config;
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typedef epee::levin::async_protocol_handler<test_levin_connection_context> test_levin_protocol_handler;
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struct test_levin_commands_handler : public epee::levin::levin_commands_handler<test_levin_connection_context>
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{
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test_levin_commands_handler()
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: m_return_code(LEVIN_OK)
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, m_last_command(-1)
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{
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}
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virtual int invoke(int command, const epee::span<const uint8_t> in_buff, epee::byte_stream& buff_out, test_levin_connection_context& context)
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{
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m_invoke_counter.inc();
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boost::unique_lock<boost::mutex> lock(m_mutex);
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m_last_command = command;
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m_last_in_buf = std::string((const char*)in_buff.data(), in_buff.size());
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buff_out.write(epee::to_span(m_invoke_out_buf));
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return m_return_code;
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}
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virtual int notify(int command, const epee::span<const uint8_t> in_buff, test_levin_connection_context& context)
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{
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m_notify_counter.inc();
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boost::unique_lock<boost::mutex> lock(m_mutex);
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m_last_command = command;
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m_last_in_buf = std::string((const char*)in_buff.data(), in_buff.size());
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return m_return_code;
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}
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virtual void callback(test_levin_connection_context& context)
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{
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m_callback_counter.inc();
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//std::cout << "test_levin_commands_handler::callback()" << std::endl;
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}
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virtual void on_connection_new(test_levin_connection_context& context)
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{
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m_new_connection_counter.inc();
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//std::cout << "test_levin_commands_handler::on_connection_new()" << std::endl;
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}
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virtual void on_connection_close(test_levin_connection_context& context)
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{
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m_close_connection_counter.inc();
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//std::cout << "test_levin_commands_handler::on_connection_close()" << std::endl;
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}
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size_t invoke_counter() const { return m_invoke_counter.get(); }
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size_t notify_counter() const { return m_notify_counter.get(); }
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size_t callback_counter() const { return m_callback_counter.get(); }
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size_t new_connection_counter() const { return m_new_connection_counter.get(); }
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size_t close_connection_counter() const { return m_close_connection_counter.get(); }
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int return_code() const { return m_return_code; }
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void return_code(int v) { m_return_code = v; }
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void invoke_out_buf(std::string v) { m_invoke_out_buf = epee::byte_slice{std::move(v)}; }
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int last_command() const { return m_last_command; }
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const std::string& last_in_buf() const { return m_last_in_buf; }
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private:
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call_counter m_invoke_counter;
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call_counter m_notify_counter;
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call_counter m_callback_counter;
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call_counter m_new_connection_counter;
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call_counter m_close_connection_counter;
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boost::mutex m_mutex;
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int m_return_code;
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epee::byte_slice m_invoke_out_buf;
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int m_last_command;
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std::string m_last_in_buf;
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};
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class test_connection : public epee::net_utils::i_service_endpoint
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{
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public:
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test_connection(boost::asio::io_service& io_service, test_levin_protocol_handler_config& protocol_config)
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: m_io_service(io_service)
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, m_protocol_handler(this, protocol_config, m_context)
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, m_send_return(true)
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{
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}
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void start()
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{
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m_protocol_handler.after_init_connection();
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}
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// Implement epee::net_utils::i_service_endpoint interface
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virtual bool do_send(epee::byte_slice message)
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{
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m_send_counter.inc();
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boost::unique_lock<boost::mutex> lock(m_mutex);
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m_last_send_data.append(reinterpret_cast<const char*>(message.data()), message.size());
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return m_send_return;
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}
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virtual bool close() { return true; }
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virtual bool send_done() { return true; }
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virtual bool call_run_once_service_io() { return true; }
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virtual bool request_callback() { return true; }
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virtual boost::asio::io_service& get_io_service() { return m_io_service; }
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virtual bool add_ref() { return true; }
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virtual bool release() { return true; }
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size_t send_counter() const { return m_send_counter.get(); }
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const std::string& last_send_data() const { return m_last_send_data; }
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void reset_last_send_data() { boost::unique_lock<boost::mutex> lock(m_mutex); m_last_send_data.clear(); }
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bool send_return() const { return m_send_return; }
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void send_return(bool v) { m_send_return = v; }
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public:
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test_levin_connection_context m_context;
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test_levin_protocol_handler m_protocol_handler;
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private:
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boost::asio::io_service& m_io_service;
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call_counter m_send_counter;
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boost::mutex m_mutex;
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std::string m_last_send_data;
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bool m_send_return;
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};
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#if 0
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class async_protocol_handler_test : public ::testing::Test
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{
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public:
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const static uint64_t invoke_timeout = 5 * 1000;
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const static size_t max_packet_size = 10 * 1024 * 1024;
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typedef std::unique_ptr<test_connection> test_connection_ptr;
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async_protocol_handler_test():
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m_pcommands_handler(new test_levin_commands_handler()),
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m_commands_handler(*m_pcommands_handler)
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{
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m_handler_config.set_handler(m_pcommands_handler, [](epee::levin::levin_commands_handler<test_levin_connection_context> *handler) { delete handler; });
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m_handler_config.m_invoke_timeout = invoke_timeout;
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m_handler_config.m_max_packet_size = max_packet_size;
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}
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virtual void SetUp()
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{
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}
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protected:
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test_connection_ptr create_connection(bool start = true)
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{
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test_connection_ptr conn(new test_connection(m_io_service, m_handler_config));
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if (start)
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{
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conn->start();
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}
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return conn;
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}
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protected:
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boost::asio::io_service m_io_service;
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test_levin_protocol_handler_config m_handler_config;
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test_levin_commands_handler *m_pcommands_handler, &m_commands_handler;
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};
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class positive_test_connection_to_levin_protocol_handler_calls : public async_protocol_handler_test
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{
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};
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class test_levin_protocol_handler__hanle_recv_with_invalid_data : public async_protocol_handler_test
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{
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public:
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static const int expected_command = 5615871;
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static const int expected_return_code = 782546;
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test_levin_protocol_handler__hanle_recv_with_invalid_data()
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: m_expected_invoke_out_buf(512, 'y')
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{
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}
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virtual void SetUp()
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{
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async_protocol_handler_test::SetUp();
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m_conn = create_connection();
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m_in_data.assign(256, 't');
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m_req_head.m_signature = LEVIN_SIGNATURE;
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m_req_head.m_cb = m_in_data.size();
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m_req_head.m_have_to_return_data = true;
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m_req_head.m_command = expected_command;
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m_req_head.m_return_code = LEVIN_OK;
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m_req_head.m_flags = LEVIN_PACKET_REQUEST;
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m_req_head.m_protocol_version = LEVIN_PROTOCOL_VER_1;
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m_commands_handler.return_code(expected_return_code);
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m_commands_handler.invoke_out_buf(m_expected_invoke_out_buf);
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}
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protected:
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void prepare_buf()
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{
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m_buf.assign(reinterpret_cast<const char*>(&m_req_head), sizeof(m_req_head));
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m_buf += m_in_data;
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}
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protected:
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test_connection_ptr m_conn;
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epee::levin::bucket_head2 m_req_head;
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std::string m_in_data;
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std::string m_buf;
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std::string m_expected_invoke_out_buf;
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};
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#endif
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}
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BEGIN_INIT_SIMPLE_FUZZER()
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END_INIT_SIMPLE_FUZZER()
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BEGIN_SIMPLE_FUZZER()
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#if 0
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epee::levin::bucket_head2 req_head;
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req_head.m_signature = LEVIN_SIGNATURE;
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req_head.m_cb = 0;
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req_head.m_have_to_return_data = true;
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req_head.m_command = 2000;
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req_head.m_flags = LEVIN_PACKET_REQUEST;
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req_head.m_protocol_version = LEVIN_PROTOCOL_VER_1;
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req_head.m_return_code = 0;
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FILE *f=fopen("/tmp/out.levin", "w");
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fwrite(&req_head,sizeof(req_head),1, f);
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fclose(f);
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#endif
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//std::unique_ptr<test_connection> conn = new test();
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boost::asio::io_service io_service;
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test_levin_protocol_handler_config m_handler_config;
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test_levin_commands_handler *m_pcommands_handler = new test_levin_commands_handler();
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m_handler_config.set_handler(m_pcommands_handler, [](epee::levin::levin_commands_handler<test_levin_connection_context> *handler) { delete handler; });
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std::unique_ptr<test_connection> conn(new test_connection(io_service, m_handler_config));
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conn->start();
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//m_commands_handler.invoke_out_buf(expected_out_data);
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//m_commands_handler.return_code(expected_return_code);
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conn->m_protocol_handler.handle_recv(buf, len);
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END_SIMPLE_FUZZER()
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