eabb519605
commands and options for network limiting works very well e.g. for 50 KiB/sec up and down ToS (QoS) flag peer number limit TODO some spikes in ingress/download TODO problems when other up and down limit added "otshell utils" - simple logging (with colors, text files channels)
363 lines
14 KiB
C++
363 lines
14 KiB
C++
/// @file
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/// @author rfree (current maintainer in monero.cc project)
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/// @brief base for connection, contains e.g. the ratelimit hooks
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// Copyright (c) 2014, 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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/* rfree: implementation for the non-template base, can be used by connection<> template class in abstract_tcp_server2 file */
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#include "connection_basic.hpp"
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#include <boost/asio.hpp>
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#include <string>
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#include <vector>
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#include <boost/noncopyable.hpp>
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#include <boost/shared_ptr.hpp>
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#include <atomic>
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#include <boost/asio.hpp>
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#include <boost/array.hpp>
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#include <boost/noncopyable.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/enable_shared_from_this.hpp>
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#include <boost/interprocess/detail/atomic.hpp>
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#include <boost/thread/thread.hpp>
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#include <memory>
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#include "syncobj.h"
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#include "../../contrib/epee/include/net/net_utils_base.h"
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#include "../../contrib/epee/include/misc_log_ex.h"
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#include <boost/lambda/bind.hpp>
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#include <boost/foreach.hpp>
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#include <boost/lambda/lambda.hpp>
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#include <boost/uuid/random_generator.hpp>
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#include <boost/chrono.hpp>
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#include <boost/utility/value_init.hpp>
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#include <boost/asio/deadline_timer.hpp>
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#include <boost/date_time/posix_time/posix_time.hpp>
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#include <boost/thread/thread.hpp>
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#include <boost/filesystem.hpp>
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#include "misc_language.h"
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#include "pragma_comp_defs.h"
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#include <fstream>
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#include <sstream>
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#include <iomanip>
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#include <algorithm>
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#include <mutex>
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#include <boost/asio/basic_socket.hpp>
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#include <boost/asio/ip/unicast.hpp>
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#include "../../contrib/epee/include/net/abstract_tcp_server2.h"
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#include "../../contrib/otshell_utils/utils.hpp"
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using namespace nOT::nUtils;
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// TODO:
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#include "../../src/p2p/network_throttle-detail.hpp"
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#include "../../src/cryptonote_core/cryptonote_core.h"
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// ################################################################################################
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// local (TU local) headers
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// ################################################################################################
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namespace epee
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{
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namespace net_utils
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{
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/* ============================================================================ */
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class connection_basic_pimpl {
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public:
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connection_basic_pimpl(const std::string &name);
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static int m_default_tos;
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network_throttle_bw m_throttle; // per-perr
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critical_section m_throttle_lock;
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int m_peer_number; // e.g. for debug/stats
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};
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} // namespace
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} // namespace
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// ################################################################################################
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// The implementation part
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// ################################################################################################
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namespace epee
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{
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namespace net_utils
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{
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// ================================================================================================
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// connection_basic_pimpl
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// ================================================================================================
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connection_basic_pimpl::connection_basic_pimpl(const std::string &name) : m_throttle(name) { }
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// ================================================================================================
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// connection_basic
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// ================================================================================================
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// static variables:
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int connection_basic_pimpl::m_default_tos;
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// methods:
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connection_basic::connection_basic(boost::asio::io_service& io_service, std::atomic<long> &ref_sock_count, std::atomic<long> &sock_number)
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:
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mI( new connection_basic_pimpl("peer") ),
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strand_(io_service),
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socket_(io_service),
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m_want_close_connection(false),
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m_was_shutdown(false),
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m_ref_sock_count(ref_sock_count)
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{
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++ref_sock_count; // increase the global counter
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mI->m_peer_number = sock_number.fetch_add(1); // use, and increase the generated number
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_note("Spawned connection p2p#"<<mI->m_peer_number<<" currently we have sockets count:" << m_ref_sock_count);
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boost::filesystem::create_directories("log/dr-monero/net/");
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/*boost::asio::SettableSocketOption option;// = new boost::asio::SettableSocketOption();
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option.level(IPPROTO_IP);
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option.name(IP_TOS);
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option.value(&tos);
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option.size = sizeof(tos);
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socket_.set_option(option);*/
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// TODO socket options
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}
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connection_basic::~connection_basic() {
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_note("Destructing connection p2p#"<<mI->m_peer_number);
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}
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void connection_basic::set_rate_up_limit(uint64_t limit) {
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save_limit_to_file(limit);
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{
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// TODO remove __SCALING_FACTOR...
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const double SCALING_FACTOR = 2.25; // to acheve the best performance
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limit *= SCALING_FACTOR;
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_out );
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network_throttle_manager::get_global_throttle_out().set_target_speed(limit);
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}
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// connection_basic_pimpl::m_throttle_global.m_out.set_target_speed(limit);
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}
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void connection_basic::set_rate_down_limit(uint64_t limit) {
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_in );
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network_throttle_manager::get_global_throttle_in().set_target_speed(limit);
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}
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_inreq );
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network_throttle_manager::get_global_throttle_inreq().set_target_speed(limit);
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}
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save_limit_to_file(limit);
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}
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void connection_basic::set_rate_limit(uint64_t limit) {
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// TODO
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}
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void connection_basic::set_kill_limit (uint64_t limit) {
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_in );
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network_throttle_manager::get_global_throttle_in().set_target_kill(limit);
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}
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_out );
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network_throttle_manager::get_global_throttle_out().set_target_kill(limit);
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}
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_inreq );
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network_throttle_manager::get_global_throttle_inreq().set_target_kill(limit);
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}
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}
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void connection_basic::save_limit_to_file(int limit) {
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// saving limit to file
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std::ofstream file;
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file.open("log/dr-monero/limit.info");
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file << limit;
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}
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void connection_basic::set_rate_autodetect(uint64_t limit) {
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// TODO
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LOG_PRINT_L0("inside connection_basic we set autodetect (this is additional notification)..");
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}
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void connection_basic::set_tos_flag(int tos) {
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connection_basic_pimpl::m_default_tos = tos;
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}
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int connection_basic::get_tos_flag() {
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return connection_basic_pimpl::m_default_tos;
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}
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void connection_basic::sleep_before_packet(size_t packet_size, int phase, int q_len) {
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double delay=0; // will be calculated
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do
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{ // rate limiting
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//XXX
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/*if (::cryptonote::core::get_is_stopping()) {
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_dbg1("We are stopping - so abort sleep");
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return;
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}*/
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if (m_was_shutdown) {
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_dbg2("m_was_shutdown - so abort sleep");
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return;
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}
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_out );
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delay = network_throttle_manager::get_global_throttle_out().get_sleep_time_after_tick( packet_size ); // decission from global
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}
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delay *= 0.50;
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delay = 0; // XXX
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if (delay > 0) {
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//delay += rand2*0.1;
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long int ms = (long int)(delay * 1000);
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_info_c("net/sleep", "Sleeping in " << __FUNCTION__ << " for " << ms << " ms before packet_size="<<packet_size); // XXX debug sleep
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_dbg1("sleep in sleep_before_packet");
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boost::this_thread::sleep(boost::posix_time::milliseconds( ms ) ); // TODO randomize sleeps
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}
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} while(delay > 0);
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// XXX LATER XXX
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_out );
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network_throttle_manager::get_global_throttle_out().handle_trafic_tcp( packet_size ); // increase counter - global
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//epee::critical_region_t<decltype(m_throttle_global_lock)> guard(m_throttle_global_lock); // *** critical ***
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//m_throttle_global.m_out.handle_trafic_tcp( packet_size ); // increase counter - global
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}
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}
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void connection_basic::set_start_time() {
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_out );
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m_start_time = network_throttle_manager::get_global_throttle_out().get_time_seconds();
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}
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void connection_basic::do_send_handler_start(const void* ptr , size_t cb ) {
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_fact_c("net/out/size", "*** do_sen() called for packet="<<cb<<" B");
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sleep_before_packet(cb,1,-1);
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// set_start_time();
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}
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void connection_basic::do_send_handler_delayed(const void* ptr , size_t cb ) {
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// CRITICAL_REGION_LOCAL(network_throttle_manager::m_lock_get_global_throttle_out);
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// auto sending_time = network_throttle_manager::get_global_throttle_out().get_time_seconds() - m_start_time; // wrong? --r
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}
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void connection_basic::do_send_handler_write(const void* ptr , size_t cb ) {
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sleep_before_packet(cb,1,-1);
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_info_c("net/out/size", "handler_write (direct) - before ASIO write, for packet="<<cb<<" B (after sleep)");
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set_start_time();
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}
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void connection_basic::do_send_handler_stop(const void* ptr , size_t cb ) {
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}
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void connection_basic::do_send_handler_after_write(const boost::system::error_code& e, size_t cb) {
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// CRITICAL_REGION_LOCAL(network_throttle_manager::m_lock_get_global_throttle_out);
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// auto sending_time = network_throttle_manager::get_global_throttle_out().get_time_seconds() - m_start_time;
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// lag: if current sending time > max sending time
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//if (sending_time > 0.1) network_throttle_manager::get_global_throttle_out().set_overheat(sending_time); // TODO
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}
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void connection_basic::do_send_handler_write_from_queue( const boost::system::error_code& e, size_t cb, int q_len ) {
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sleep_before_packet(cb,2,q_len);
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_info_c("net/out/size", "handler_write (after write, from queue="<<q_len<<") - before ASIO write, for packet="<<cb<<" B (after sleep)");
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set_start_time();
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}
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void connection_basic::do_read_handler_start(const boost::system::error_code& e, std::size_t bytes_transferred) { // from read, after read completion
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const size_t packet_size = bytes_transferred;
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{
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CRITICAL_REGION_LOCAL( network_throttle_manager::m_lock_get_global_throttle_in );
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// sleep_before_packet(packet_size * __SCALING_FACTOR, 1, -1); // TODO remove __SCALING_FACTOR
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network_throttle_manager::get_global_throttle_in().handle_trafic_tcp( packet_size ); // increase counter - global
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// epee::critical_region_t<decltype(mI->m_throttle_global_lock)> guard(mI->m_throttle_global_lock); // *** critical ***
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// mI->m_throttle_global.m_in.handle_trafic_tcp( packet_size ); // increase counter - global
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}
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}
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void connection_basic::logger_handle_net_peer(size_t size, bool io) { // network data written
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// TODO OPTIMIZE! do NOT reopen idiotically :)
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std::ostringstream oss;
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std::string filename;
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if (io) { // write
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double time = network_throttle_manager::get_global_throttle_in().get_time_seconds() ;
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oss << "log/dr-monero/net/in-peer-" << (mI->m_peer_number) << ".dat" << std::ends;
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filename = oss.str();
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network_throttle_manager::get_global_throttle_out().logger_handle_net(filename,time,size);
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}
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else { // read
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double time = network_throttle_manager::get_global_throttle_out().get_time_seconds() ;
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oss << "log/dr-monero/net/out-peer-" << (mI->m_peer_number) << ".dat" << std::ends;
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filename = oss.str();
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network_throttle_manager::get_global_throttle_in().logger_handle_net(filename,time,size);
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}
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}
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void connection_basic::logger_handle_net_read(size_t size) { // network data read
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std::string filename = "log/dr-monero/net/in-all.data";
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double time = network_throttle_manager::get_global_throttle_in().get_time_seconds() ;
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network_throttle_manager::get_global_throttle_in().logger_handle_net(filename, time, size);
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logger_handle_net_peer(size,0);
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}
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void connection_basic::logger_handle_net_write(size_t size) {
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std::string filename = "log/dr-monero/net/out-all.data";
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double time = network_throttle_manager::get_global_throttle_out().get_time_seconds() ;
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network_throttle_manager::get_global_throttle_out().logger_handle_net(filename, time, size);
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logger_handle_net_peer(size,1);
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}
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double connection_basic::get_sleep_time(size_t cb) {
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auto t = network_throttle_manager::get_global_throttle_out().get_sleep_time(cb);
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return t;
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}
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} // namespace
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} // namespace
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