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77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
// Copyright (c) 2014, The Monero Project
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//
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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 modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2006-2013, Andrey N. Sabelnikov
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#pragma once
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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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struct i_sub_handler
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{
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virtual ~i_sub_handler(){}
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virtual bool update_in( std::string& piece_of_transfer)=0;
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virtual void stop(std::string& OUT collect_remains)=0;
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virtual bool update_and_stop(std::string& OUT collect_remains, bool& is_changed)
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{
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is_changed = true;
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bool res = this->update_in(collect_remains);
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if(res)
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this->stop(collect_remains);
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return res;
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}
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};
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struct i_target_handler
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{
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virtual ~i_target_handler(){}
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virtual bool handle_target_data( std::string& piece_of_transfer)=0;
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};
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class do_nothing_sub_handler: public i_sub_handler
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{
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public:
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do_nothing_sub_handler(i_target_handler* powner_filter):m_powner_filter(powner_filter)
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{}
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virtual bool update_in( std::string& piece_of_transfer)
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{
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return m_powner_filter->handle_target_data(piece_of_transfer);
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}
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virtual void stop(std::string& OUT collect_remains)
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{
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}
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i_target_handler* m_powner_filter;
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};
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}
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} |