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danicoin/contrib/epee/include/net/net_utils_base.h
rfree2monero 5ce4256e3d 2014 network limit 1.1 +utils +toc -doc -drmonero 
Update of the PR with network limits

works very well for all speeds
(but remember that low download speed can stop upload
because we then slow down downloading of blockchain
requests too)

more debug options

fixed pedantic warnings in our code
should work again on Mac OS X and FreeBSD
fixed warning about size_t
tested on Debian, Ubuntu, Windows(testing now)

TCP options and ToS (QoS) flag
FIXED peer number limit
FIXED some spikes in ingress/download
FIXED problems when other up and down limit
2015-02-20 22:13:00 +01:00

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// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of the Andrey N. Sabelnikov 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 OWNER 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.
//
#ifndef _NET_UTILS_BASE_H_
#define _NET_UTILS_BASE_H_
#include <boost/uuid/uuid.hpp>
#include "string_tools.h"
#ifndef MAKE_IP
#define MAKE_IP( a1, a2, a3, a4 ) (a1|(a2<<8)|(a3<<16)|(a4<<24))
#endif
namespace epee
{
namespace net_utils
{
/************************************************************************/
/* */
/************************************************************************/
struct connection_context_base
{
const boost::uuids::uuid m_connection_id;
const uint32_t m_remote_ip;
const uint32_t m_remote_port;
const bool m_is_income;
const time_t m_started;
time_t m_last_recv;
time_t m_last_send;
uint64_t m_recv_cnt;
uint64_t m_send_cnt;
double m_current_speed_down;
double m_current_speed_up;
connection_context_base(boost::uuids::uuid connection_id,
long remote_ip, int remote_port, bool is_income,
time_t last_recv = 0, time_t last_send = 0,
uint64_t recv_cnt = 0, uint64_t send_cnt = 0):
m_connection_id(connection_id),
m_remote_ip(remote_ip),
m_remote_port(remote_port),
m_is_income(is_income),
m_started(time(NULL)),
m_last_recv(last_recv),
m_last_send(last_send),
m_recv_cnt(recv_cnt),
m_send_cnt(send_cnt),
m_current_speed_down(0),
m_current_speed_up(0)
{}
connection_context_base(): m_connection_id(),
m_remote_ip(0),
m_remote_port(0),
m_is_income(false),
m_started(time(NULL)),
m_last_recv(0),
m_last_send(0),
m_recv_cnt(0),
m_send_cnt(0),
m_current_speed_down(0),
m_current_speed_up(0)
{}
connection_context_base& operator=(const connection_context_base& a)
{
set_details(a.m_connection_id, a.m_remote_ip, a.m_remote_port, a.m_is_income);
return *this;
}
private:
template<class t_protocol_handler>
friend class connection;
void set_details(boost::uuids::uuid connection_id, long remote_ip, int remote_port, bool is_income)
{
this->~connection_context_base();
new(this) connection_context_base(connection_id, remote_ip, remote_port, is_income);
}
};
/************************************************************************/
/* */
/************************************************************************/
struct i_service_endpoint
{
virtual bool do_send(const void* ptr, size_t cb)=0;
virtual bool close()=0;
virtual bool call_run_once_service_io()=0;
virtual bool request_callback()=0;
virtual boost::asio::io_service& get_io_service()=0;
//protect from deletion connection object(with protocol instance) during external call "invoke"
virtual bool add_ref()=0;
virtual bool release()=0;
protected:
virtual ~i_service_endpoint(){}
};
//some helpers
inline
std::string print_connection_context(const connection_context_base& ctx)
{
std::stringstream ss;
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");
return ss.str();
}
inline
std::string print_connection_context_short(const connection_context_base& ctx)
{
std::stringstream ss;
ss << epee::string_tools::get_ip_string_from_int32(ctx.m_remote_ip) << ":" << ctx.m_remote_port << (ctx.m_is_income ? " INC":" OUT");
return ss.str();
}
#define LOG_PRINT_CC(ct, message, log_level) LOG_PRINT("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, log_level)
#define LOG_PRINT_CC_GREEN(ct, message, log_level) LOG_PRINT_GREEN("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, log_level)
#define LOG_PRINT_CC_RED(ct, message, log_level) LOG_PRINT_RED("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, log_level)
#define LOG_PRINT_CC_BLUE(ct, message, log_level) LOG_PRINT_BLUE("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, log_level)
#define LOG_PRINT_CC_YELLOW(ct, message, log_level) LOG_PRINT_YELLOW("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, log_level)
#define LOG_PRINT_CC_CYAN(ct, message, log_level) LOG_PRINT_CYAN("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, log_level)
#define LOG_PRINT_CC_MAGENTA(ct, message, log_level) LOG_PRINT_MAGENTA("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, log_level)
#define LOG_ERROR_CC(ct, message) LOG_PRINT_RED("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message, LOG_LEVEL_2)
#define LOG_PRINT_CC_L0(ct, message) LOG_PRINT_L0("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message)
#define LOG_PRINT_CC_L1(ct, message) LOG_PRINT_L1("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message)
#define LOG_PRINT_CC_L2(ct, message) LOG_PRINT_L2("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message)
#define LOG_PRINT_CC_L3(ct, message) LOG_PRINT_L3("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message)
#define LOG_PRINT_CC_L4(ct, message) LOG_PRINT_L4("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message)
#define LOG_PRINT_CCONTEXT_L0(message) LOG_PRINT_CC_L0(context, message)
#define LOG_PRINT_CCONTEXT_L1(message) LOG_PRINT_CC_L1(context, message)
#define LOG_PRINT_CCONTEXT_L2(message) LOG_PRINT_CC_L2(context, message)
#define LOG_PRINT_CCONTEXT_L3(message) LOG_PRINT_CC_L3(context, message)
#define LOG_ERROR_CCONTEXT(message) LOG_ERROR_CC(context, message)
#define LOG_PRINT_CCONTEXT_GREEN(message, log_level) LOG_PRINT_CC_GREEN(context, message, log_level)
#define LOG_PRINT_CCONTEXT_RED(message, log_level) LOG_PRINT_CC_RED(context, message, log_level)
#define LOG_PRINT_CCONTEXT_BLUE(message, log_level) LOG_PRINT_CC_BLUE(context, message, log_level)
#define LOG_PRINT_CCONTEXT_YELLOW(message, log_level) LOG_PRINT_CC_YELLOW(context, message, log_level)
#define LOG_PRINT_CCONTEXT_CYAN(message, log_level) LOG_PRINT_CC_CYAN(context, message, log_level)
#define LOG_PRINT_CCONTEXT_MAGENTA(message, log_level) LOG_PRINT_CC_MAGENTA(context, message, log_level)
#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)
}
}
#endif //_NET_UTILS_BASE_H_
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