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113 lines
2.5 KiB
113 lines
2.5 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.cpp
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#include "WhisperPeer.h"
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#include <libdevcore/Log.h>
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#include <libp2p/All.h>
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#include "WhisperHost.h"
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using namespace std;
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using namespace dev;
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using namespace dev::p2p;
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using namespace dev::shh;
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#if defined(clogS)
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#undef clogS
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#endif
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#define clogS(X) dev::LogOutputStream<X, true>(false) << "| " << std::setw(2) << session()->socketId() << "] "
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WhisperPeer::WhisperPeer(Session* _s, HostCapabilityFace* _h, unsigned _i): Capability(_s, _h, _i)
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{
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RLPStream s;
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sealAndSend(prep(s, StatusPacket, 1) << version());
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}
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WhisperPeer::~WhisperPeer()
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{
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}
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WhisperHost* WhisperPeer::host() const
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{
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return static_cast<WhisperHost*>(Capability::hostCapability());
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}
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bool WhisperPeer::interpret(unsigned _id, RLP const& _r)
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{
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switch (_id)
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{
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case StatusPacket:
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{
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auto protocolVersion = _r[0].toInt<unsigned>();
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clogS(NetMessageSummary) << "Status: " << protocolVersion;
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if (protocolVersion != version())
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disable("Invalid protocol version.");
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for (auto const& m: host()->all())
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m_unseen.insert(make_pair(0, m.first));
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if (session()->id() < host()->host()->id())
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sendMessages();
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break;
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}
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case MessagesPacket:
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{
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unsigned n = 0;
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for (auto i: _r)
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if (n++)
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host()->inject(Envelope(i), this);
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break;
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}
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default:
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return false;
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}
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return true;
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}
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void WhisperPeer::sendMessages()
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{
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RLPStream amalg;
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unsigned msgCount = 0;
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{
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Guard l(x_unseen);
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msgCount = m_unseen.size();
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while (m_unseen.size())
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{
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auto p = *m_unseen.begin();
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m_unseen.erase(m_unseen.begin());
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host()->streamMessage(p.second, amalg);
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}
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}
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if (msgCount)
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{
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RLPStream s;
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prep(s, MessagesPacket, msgCount).appendRaw(amalg.out(), msgCount);
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sealAndSend(s);
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}
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}
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void WhisperPeer::noteNewMessage(h256 _h, Envelope const& _m)
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{
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Guard l(x_unseen);
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m_unseen.insert(make_pair(rating(_m), _h));
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}
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