// 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 boost::uint32_t m_remote_ip;
const boost::uint32_t m_remote_port;
const bool m_is_income;
connection_context_base(boost::uuids::uuid connection_id, long remote_ip, int remote_port, bool is_income):
m_connection_id(connection_id),
m_remote_ip(remote_ip),
m_remote_port(remote_port),
m_is_income(is_income)
{}
connection_context_base(): m_connection_id(),
m_remote_ip(0),
m_remote_port(0),
m_is_income(false)
{}
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_ERROR_CC(ct, message) LOG_ERROR("[" << epee::net_utils::print_connection_context_short(ct) << "]" << message)
#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 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_
