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authormoneromooo-monero <moneromooo-monero@users.noreply.github.com>2017-11-29 19:30:06 +0000
committermoneromooo-monero <moneromooo-monero@users.noreply.github.com>2017-12-16 23:28:43 +0000
commitbb89ae8b2058d98a764f24e17e6c58089dd548f0 (patch)
tree345e5fba3b63920cb4b06d3d2553f580932684d9 /src/p2p/network_throttle-detail.cpp
parentcryptonote_core does not depend on p2p anymore (diff)
downloadmonero-bb89ae8b2058d98a764f24e17e6c58089dd548f0.tar.xz
move connection_basic and network_throttle from src/p2p to epee
These even had the epee namespace. This fixes some ugly circular dependencies.
Diffstat (limited to 'src/p2p/network_throttle-detail.cpp')
-rw-r--r--src/p2p/network_throttle-detail.cpp369
1 files changed, 0 insertions, 369 deletions
diff --git a/src/p2p/network_throttle-detail.cpp b/src/p2p/network_throttle-detail.cpp
deleted file mode 100644
index 651e01e6b..000000000
--- a/src/p2p/network_throttle-detail.cpp
+++ /dev/null
@@ -1,369 +0,0 @@
-/// @file
-/// @author rfree (current maintainer in monero.cc project)
-/// @brief implementaion for throttling of connection (count and rate-limit speed etc)
-
-// Copyright (c) 2014-2017, The Monero Project
-//
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without modification, are
-// permitted provided that the following conditions are met:
-//
-// 1. Redistributions of source code must retain the above copyright notice, this list of
-// conditions and the following disclaimer.
-//
-// 2. Redistributions in binary form must reproduce the above copyright notice, this list
-// of conditions and the following disclaimer in the documentation and/or other
-// materials provided with the distribution.
-//
-// 3. Neither the name of the copyright holder nor the names of its contributors may be
-// used to endorse or promote products derived from this software without specific
-// prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
-// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
-// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-/* rfree: implementation for throttle details */
-
-#include <boost/asio.hpp>
-#include <string>
-#include <vector>
-#include <boost/noncopyable.hpp>
-#include <boost/shared_ptr.hpp>
-#include <atomic>
-
-#include <boost/asio.hpp>
-#include <boost/array.hpp>
-#include <boost/noncopyable.hpp>
-#include <boost/shared_ptr.hpp>
-#include <boost/enable_shared_from_this.hpp>
-#include <boost/interprocess/detail/atomic.hpp>
-#include <boost/thread/thread.hpp>
-
-#include <memory>
-
-#include "syncobj.h"
-
-#include "net/net_utils_base.h"
-#include "misc_log_ex.h"
-#include <boost/lambda/bind.hpp>
-#include <boost/lambda/lambda.hpp>
-#include <boost/uuid/random_generator.hpp>
-#include <boost/chrono.hpp>
-#include <boost/utility/value_init.hpp>
-#include <boost/asio/deadline_timer.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
-#include <boost/thread/thread.hpp>
-#include "misc_language.h"
-#include "pragma_comp_defs.h"
-#include <sstream>
-#include <iomanip>
-#include <algorithm>
-
-
-
-#include <boost/asio/basic_socket.hpp>
-#include <boost/asio/ip/unicast.hpp>
-#include "net/abstract_tcp_server2.h"
-
-// TODO:
-#include "network_throttle-detail.hpp"
-
-#undef MONERO_DEFAULT_LOG_CATEGORY
-#define MONERO_DEFAULT_LOG_CATEGORY "net.throttle"
-
-// ################################################################################################
-// ################################################################################################
-// the "header part". Not separeted out for .hpp because point of this modification is
-// to rebuild just 1 translation unit while working on this code.
-// (But maybe common parts will be separated out later though - if needed)
-// ################################################################################################
-// ################################################################################################
-
-namespace epee
-{
-namespace net_utils
-{
-
-
-/* ============================================================================ */
-
-class connection_basic_pimpl {
- public:
- connection_basic_pimpl(const std::string &name);
-
- static int m_default_tos;
-
- network_throttle_bw m_throttle; // per-perr
- critical_section m_throttle_lock;
-
- void _packet(size_t packet_size, int phase, int q_len); // execute a sleep ; phase is not really used now(?) could be used for different kinds of sleep e.g. direct/queue write
-};
-
-
-} // namespace
-} // namespace
-
-
-
-
-
-
-// ################################################################################################
-// ################################################################################################
-// The implementation part
-// ################################################################################################
-// ################################################################################################
-
-namespace epee
-{
-namespace net_utils
-{
-
-// ================================================================================================
-// network_throttle
-// ================================================================================================
-
-network_throttle::~network_throttle() { }
-
-network_throttle::packet_info::packet_info()
- : m_size(0)
-{
-}
-
-network_throttle::network_throttle(const std::string &nameshort, const std::string &name, int window_size)
- : m_window_size( (window_size==-1) ? 10 : window_size ),
- m_history( m_window_size ), m_nameshort(nameshort)
-{
- set_name(name);
- m_network_add_cost = 128;
- m_network_minimal_segment = 256;
- m_network_max_segment = 1024*1024;
- m_any_packet_yet = false;
- m_slot_size = 1.0; // hard coded in few places
- m_target_speed = 16 * 1024; // other defaults are probably defined in the command-line parsing code when this class is used e.g. as main global throttle
-}
-
-void network_throttle::set_name(const std::string &name)
-{
- m_name = name;
-}
-
-void network_throttle::set_target_speed( network_speed_kbps target )
-{
- m_target_speed = target * 1024;
- MINFO("Setting LIMIT: " << target << " kbps");
-}
-
-network_speed_kbps network_throttle::get_target_speed()
-{
- return m_target_speed / 1024;
-}
-
-void network_throttle::tick()
-{
- double time_now = get_time_seconds();
- if (!m_any_packet_yet) m_start_time = time_now; // starting now
-
- network_time_seconds current_sample_time_slot = time_to_slot( time_now ); // T=13.7 --> 13 (for 1-second smallwindow)
- network_time_seconds last_sample_time_slot = time_to_slot( m_last_sample_time );
-
- // moving to next position, and filling gaps
- // !! during this loop the m_last_sample_time and last_sample_time_slot mean the variable moved in +1
- // TODO optimize when moving few slots at once
- while ( (!m_any_packet_yet) || (last_sample_time_slot < current_sample_time_slot))
- {
- _dbg3("Moving counter buffer by 1 second " << last_sample_time_slot << " < " << current_sample_time_slot << " (last time " << m_last_sample_time<<")");
- // rotate buffer
- for (size_t i=m_history.size()-1; i>=1; --i) m_history[i] = m_history[i-1];
- m_history[0] = packet_info();
- if (! m_any_packet_yet)
- {
- m_last_sample_time = time_now;
- }
- m_last_sample_time += 1; last_sample_time_slot = time_to_slot( m_last_sample_time ); // increase and recalculate time, time slot
- m_any_packet_yet=true;
- }
- m_last_sample_time = time_now; // the real exact last time
-}
-
-void network_throttle::handle_trafic_exact(size_t packet_size)
-{
- _handle_trafic_exact(packet_size, packet_size);
-}
-
-void network_throttle::_handle_trafic_exact(size_t packet_size, size_t orginal_size)
-{
- tick();
-
- calculate_times_struct cts ; calculate_times(packet_size, cts , false, -1);
- calculate_times_struct cts2; calculate_times(packet_size, cts2, false, 5);
- m_history[0].m_size += packet_size;
-
- std::ostringstream oss; oss << "["; for (auto sample: m_history) oss << sample.m_size << " "; oss << "]" << std::ends;
- std::string history_str = oss.str();
-
- MTRACE("Throttle " << m_name << ": packet of ~"<<packet_size<<"b " << " (from "<<orginal_size<<" b)"
- << " Speed AVG=" << std::setw(4) << ((long int)(cts .average/1024)) <<"[w="<<cts .window<<"]"
- << " " << std::setw(4) << ((long int)(cts2.average/1024)) <<"[w="<<cts2.window<<"]"
- <<" / " << " Limit="<< ((long int)(m_target_speed/1024)) <<" KiB/sec "
- << " " << history_str
- );
-}
-
-void network_throttle::handle_trafic_tcp(size_t packet_size)
-{
- size_t all_size = packet_size + m_network_add_cost;
- all_size = std::max( m_network_minimal_segment , all_size);
- _handle_trafic_exact( all_size , packet_size );
-}
-
-network_time_seconds network_throttle::get_sleep_time_after_tick(size_t packet_size) {
- tick();
- return get_sleep_time(packet_size);
-}
-
-void network_throttle::logger_handle_net(const std::string &filename, double time, size_t size) {
- boost::mutex mutex;
- mutex.lock(); {
- std::fstream file;
- file.open(filename.c_str(), std::ios::app | std::ios::out );
- file.precision(6);
- if(!file.is_open())
- _warn("Can't open file " << filename);
- file << static_cast<int>(time) << " " << static_cast<double>(size/1024) << "\n";
- file.close();
- } mutex.unlock();
-}
-
-// fine tune this to decide about sending speed:
-network_time_seconds network_throttle::get_sleep_time(size_t packet_size) const
-{
- double D2=0;
- calculate_times_struct cts = { 0, 0, 0, 0};
- calculate_times(packet_size, cts, true, m_window_size); D2=cts.delay;
- return D2;
-}
-
-// MAIN LOGIC:
-void network_throttle::calculate_times(size_t packet_size, calculate_times_struct &cts, bool dbg, double force_window) const
-{
- const double the_window_size = std::max( (double)m_window_size ,
- ((force_window>0) ? force_window : m_window_size)
- );
-
- if (!m_any_packet_yet) {
- cts.window=0; cts.average=0; cts.delay=0;
- cts.recomendetDataSize = m_network_minimal_segment; // should be overrided by caller anyway
- return ; // no packet yet, I can not decide about sleep time
- }
-
- network_time_seconds window_len = (the_window_size-1) * m_slot_size ; // -1 since current slot is not finished
- window_len += (m_last_sample_time - time_to_slot(m_last_sample_time)); // add the time for current slot e.g. 13.7-13 = 0.7
-
- auto time_passed = get_time_seconds() - m_start_time;
- cts.window = std::max( std::min( window_len , time_passed ) , m_slot_size ) ; // window length resulting from size of history but limited by how long ago history was started,
- // also at least slot size (e.g. 1 second) to not be ridiculous
- // window_len e.g. 5.7 because takes into account current slot time
-
- size_t Epast = 0; // summ of traffic till now
- for (auto sample : m_history) Epast += sample.m_size;
-
- const size_t E = Epast;
- const size_t Enow = Epast + packet_size ; // including the data we're about to send now
-
- const double M = m_target_speed; // max
- const double D1 = (Epast - M*cts.window) / M; // delay - how long to sleep to get back to target speed
- const double D2 = (Enow - M*cts.window) / M; // delay - how long to sleep to get back to target speed (including current packet)
-
- cts.delay = (D1*0.80 + D2*0.20); // finall sleep depends on both with/without current packet
- // update_overheat();
- cts.average = Epast/cts.window; // current avg. speed (for info)
-
- if (Epast <= 0) {
- if (cts.delay>=0) cts.delay = 0; // no traffic in history so we will not wait
- }
-
- double Wgood=-1;
- { // how much data we recommend now to download
- Wgood = the_window_size + 1;
- cts.recomendetDataSize = M*cts.window - E;
- }
-
- if (dbg) {
- std::ostringstream oss; oss << "["; for (auto sample: m_history) oss << sample.m_size << " "; oss << "]" << std::ends;
- std::string history_str = oss.str();
- MTRACE((cts.delay > 0 ? "SLEEP" : "")
- << "dbg " << m_name << ": "
- << "speed is A=" << std::setw(8) <<cts.average<<" vs "
- << "Max=" << std::setw(8) <<M<<" "
- << " so sleep: "
- << "D=" << std::setw(8) <<cts.delay<<" sec "
- << "E="<< std::setw(8) << E << " (Enow="<<std::setw(8)<<Enow<<") "
- << "M=" << std::setw(8) << M <<" W="<< std::setw(8) << cts.window << " "
- << "R=" << std::setw(8) << cts.recomendetDataSize << " Wgood" << std::setw(8) << Wgood << " "
- << "History: " << std::setw(8) << history_str << " "
- << "m_last_sample_time=" << std::setw(8) << m_last_sample_time
- );
-
- }
-}
-
-double network_throttle::get_time_seconds() const {
- #if defined(__APPLE__)
- auto point = std::chrono::system_clock::now();
- #else
- auto point = std::chrono::steady_clock::now();
- #endif
- auto time_from_epoh = point.time_since_epoch();
- auto ms = std::chrono::duration_cast< std::chrono::milliseconds >( time_from_epoh ).count();
- double ms_f = ms;
- return ms_f / 1000.;
-}
-
-size_t network_throttle::get_recommended_size_of_planned_transport_window(double force_window) const {
- calculate_times_struct cts = { 0, 0, 0, 0};
- network_throttle::calculate_times(0, cts, true, force_window);
- cts.recomendetDataSize += m_network_add_cost;
- if (cts.recomendetDataSize<0) cts.recomendetDataSize=0;
- if (cts.recomendetDataSize>m_network_max_segment) cts.recomendetDataSize=m_network_max_segment;
- size_t RI = (long int)cts.recomendetDataSize;
- return RI;
-}
-
-size_t network_throttle::get_recommended_size_of_planned_transport() const {
- size_t R1=0,R2=0,R3=0;
- R1 = get_recommended_size_of_planned_transport_window( -1 );
- R2 = get_recommended_size_of_planned_transport_window(m_window_size / 2);
- R3 = get_recommended_size_of_planned_transport_window( 5 );
- auto RM = std::min(R1, std::min(R2,R3));
-
- const double a1=20, a2=10, a3=10, am=10; // weight of the various windows in decisssion // TODO 70 => 20
- return (R1*a1 + R2*a2 + R3*a3 + RM*am) / (a1+a2+a3+am);
-}
-
-double network_throttle::get_current_speed() const {
- unsigned int bytes_transferred = 0;
- if (m_history.size() == 0 || m_slot_size == 0)
- return 0;
-
- auto it = m_history.begin();
- while (it < m_history.end() - 1)
- {
- bytes_transferred += it->m_size;
- it ++;
- }
-
- return bytes_transferred / ((m_history.size() - 1) * m_slot_size);
-}
-
-} // namespace
-} // namespace
-