// Copyright (c) 2014, 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.
//
// Parts of this file are originally copyright (c) 2006-2013, Andrey N. Sabelnikov
#pragma once
namespace epee
{
namespace net_utils
{
struct i_sub_handler
{
virtual ~i_sub_handler(){}
virtual bool update_in( std::string& piece_of_transfer)=0;
virtual void stop(std::string& OUT collect_remains)=0;
virtual bool update_and_stop(std::string& OUT collect_remains, bool& is_changed)
{
is_changed = true;
bool res = this->update_in(collect_remains);
if(res)
this->stop(collect_remains);
return res;
}
};
struct i_target_handler
{
virtual ~i_target_handler(){}
virtual bool handle_target_data( std::string& piece_of_transfer)=0;
};
class do_nothing_sub_handler: public i_sub_handler
{
public:
do_nothing_sub_handler(i_target_handler* powner_filter):m_powner_filter(powner_filter)
{}
virtual bool update_in( std::string& piece_of_transfer)
{
return m_powner_filter->handle_target_data(piece_of_transfer);
}
virtual void stop(std::string& OUT collect_remains)
{
}
i_target_handler* m_powner_filter;
};
}
}
