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81 lines
2.4 KiB
81 lines
2.4 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file WhisperPeer.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#pragma once
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#include <mutex>
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#include <array>
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#include <set>
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#include <memory>
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#include <utility>
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#include <libdevcore/RLP.h>
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#include <libdevcore/Guards.h>
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#include <libdevcore/SHA3.h>
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#include "Common.h"
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#include "Message.h"
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namespace dev
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{
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namespace shh
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{
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using p2p::Session;
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using p2p::HostCapabilityFace;
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using p2p::HostCapability;
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using p2p::Capability;
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using p2p::CapDesc;
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class WhisperPeer: public Capability
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{
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friend class WhisperHost;
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public:
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WhisperPeer(std::shared_ptr<Session> _s, HostCapabilityFace* _h, unsigned _i, CapDesc const& _cap);
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virtual ~WhisperPeer();
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WhisperHost* host() const;
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static std::string name() { return "shh"; }
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static u256 version() { return WhisperProtocolVersion; }
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static unsigned messageCount() { return PacketCount; }
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TopicBloomFilterHash bloom() const { dev::Guard g(x_bloom); return m_bloom; }
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void sendTopicsOfInterest(TopicBloomFilterHash const& _bloom); ///< sends our bloom filter to remote peer
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void noteAdvertiseTopicsOfInterest() { dev::Guard g(x_advertiseTopicsOfInterest); m_advertiseTopicsOfInterest = true; }
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private:
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virtual bool interpret(unsigned _id, RLP const&) override;
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void sendMessages();
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unsigned ratingForPeer(Envelope const& e) const;
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void noteNewMessage(h256 _h, Envelope const& _m);
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void setBloom(TopicBloomFilterHash const& _b) { dev::Guard g(x_bloom); m_bloom = _b; }
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mutable dev::Mutex x_unseen;
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std::multimap<unsigned, h256> m_unseen; ///< Rated according to what they want.
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std::chrono::system_clock::time_point m_timer = std::chrono::system_clock::now();
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mutable dev::Mutex x_bloom;
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TopicBloomFilterHash m_bloom; ///< Peer's topics of interest
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mutable dev::Mutex x_advertiseTopicsOfInterest;
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bool m_advertiseTopicsOfInterest;
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};
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}
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}
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