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07c4276cbe
A timedsync is issued every minute on a connection, but the input tineout is 2 minutes. This means a new sync request could be issued while a slow sync request was already in progress. The additional request will further clog the network on a slow connection, and cause a premature timeout.
183 lines
7.5 KiB
C++
183 lines
7.5 KiB
C++
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
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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
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of the Andrey N. Sabelnikov nor the
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// names of its contributors may be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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#ifndef _NET_UTILS_BASE_H_
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#define _NET_UTILS_BASE_H_
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#include <boost/asio/io_service.hpp>
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#include <boost/uuid/uuid.hpp>
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#include "string_tools.h"
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#include "misc_log_ex.h"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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#define MONERO_DEFAULT_LOG_CATEGORY "net"
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#ifndef MAKE_IP
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#define MAKE_IP( a1, a2, a3, a4 ) (a1|(a2<<8)|(a3<<16)|(a4<<24))
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#endif
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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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/* */
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/************************************************************************/
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struct connection_context_base
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{
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const boost::uuids::uuid m_connection_id;
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const uint32_t m_remote_ip;
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const uint32_t m_remote_port;
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const bool m_is_income;
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const time_t m_started;
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bool m_in_timedsync;
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time_t m_last_recv;
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time_t m_last_send;
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uint64_t m_recv_cnt;
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uint64_t m_send_cnt;
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double m_current_speed_down;
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double m_current_speed_up;
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connection_context_base(boost::uuids::uuid connection_id,
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long remote_ip, int remote_port, bool is_income,
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time_t last_recv = 0, time_t last_send = 0,
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uint64_t recv_cnt = 0, uint64_t send_cnt = 0):
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m_connection_id(connection_id),
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m_remote_ip(remote_ip),
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m_remote_port(remote_port),
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m_is_income(is_income),
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m_started(time(NULL)),
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m_in_timedsync(false),
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m_last_recv(last_recv),
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m_last_send(last_send),
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m_recv_cnt(recv_cnt),
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m_send_cnt(send_cnt),
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m_current_speed_down(0),
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m_current_speed_up(0)
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{}
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connection_context_base(): m_connection_id(),
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m_remote_ip(0),
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m_remote_port(0),
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m_is_income(false),
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m_started(time(NULL)),
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m_in_timedsync(false),
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m_last_recv(0),
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m_last_send(0),
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m_recv_cnt(0),
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m_send_cnt(0),
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m_current_speed_down(0),
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m_current_speed_up(0)
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{}
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connection_context_base& operator=(const connection_context_base& a)
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{
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set_details(a.m_connection_id, a.m_remote_ip, a.m_remote_port, a.m_is_income);
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return *this;
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}
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private:
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template<class t_protocol_handler>
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friend class connection;
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void set_details(boost::uuids::uuid connection_id, long remote_ip, int remote_port, bool is_income)
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{
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this->~connection_context_base();
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new(this) connection_context_base(connection_id, remote_ip, remote_port, is_income);
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}
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};
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/************************************************************************/
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/* */
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/************************************************************************/
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struct i_service_endpoint
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{
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virtual bool do_send(const void* ptr, size_t cb)=0;
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virtual bool close()=0;
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virtual bool call_run_once_service_io()=0;
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virtual bool request_callback()=0;
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virtual boost::asio::io_service& get_io_service()=0;
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//protect from deletion connection object(with protocol instance) during external call "invoke"
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virtual bool add_ref()=0;
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virtual bool release()=0;
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protected:
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virtual ~i_service_endpoint() noexcept(false) {}
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};
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//some helpers
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inline
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std::string print_connection_context(const connection_context_base& ctx)
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{
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std::stringstream ss;
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ss << epee::string_tools::get_ip_string_from_int32(ctx.m_remote_ip) << ":" << ctx.m_remote_port << " " << epee::string_tools::get_str_from_guid_a(ctx.m_connection_id) << (ctx.m_is_income ? " INC":" OUT");
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return ss.str();
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}
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inline
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std::string print_connection_context_short(const connection_context_base& ctx)
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{
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std::stringstream ss;
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ss << epee::string_tools::get_ip_string_from_int32(ctx.m_remote_ip) << ":" << ctx.m_remote_port << (ctx.m_is_income ? " INC":" OUT");
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return ss.str();
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}
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inline MAKE_LOGGABLE(connection_context_base, ct, os)
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{
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os << "[" << epee::net_utils::print_connection_context_short(ct) << "] ";
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return os;
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}
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#define LOG_ERROR_CC(ct, message) MERROR(ct << message)
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#define LOG_WARNING_CC(ct, message) MWARNING(ct << message)
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#define LOG_INFO_CC(ct, message) MINFO(ct << message)
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#define LOG_DEBUG_CC(ct, message) MDEBUG(ct << message)
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#define LOG_TRACE_CC(ct, message) MTRACE(ct << message)
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#define LOG_CC(level, ct, message) MLOG(level, ct << message)
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#define LOG_PRINT_CC_L0(ct, message) LOG_PRINT_L0(ct << message)
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#define LOG_PRINT_CC_L1(ct, message) LOG_PRINT_L1(ct << message)
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#define LOG_PRINT_CC_L2(ct, message) LOG_PRINT_L2(ct << message)
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#define LOG_PRINT_CC_L3(ct, message) LOG_PRINT_L3(ct << message)
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#define LOG_PRINT_CC_L4(ct, message) LOG_PRINT_L4(ct << message)
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#define LOG_PRINT_CCONTEXT_L0(message) LOG_PRINT_CC_L0(context, message)
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#define LOG_PRINT_CCONTEXT_L1(message) LOG_PRINT_CC_L1(context, message)
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#define LOG_PRINT_CCONTEXT_L2(message) LOG_PRINT_CC_L2(context, message)
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#define LOG_PRINT_CCONTEXT_L3(message) LOG_PRINT_CC_L3(context, message)
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#define LOG_ERROR_CCONTEXT(message) LOG_ERROR_CC(context, message)
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#define CHECK_AND_ASSERT_MES_CC(condition, return_val, err_message) CHECK_AND_ASSERT_MES(condition, return_val, "[" << epee::net_utils::print_connection_context_short(context) << "]" << err_message)
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}
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}
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#endif //_NET_UTILS_BASE_H_
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