You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.7 KiB
89 lines
2.7 KiB
/*
|
|
This file is part of cpp-ethereum.
|
|
|
|
cpp-ethereum is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
cpp-ethereum is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file WhisperHost.h
|
|
* @author Gav Wood <i@gavwood.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <mutex>
|
|
#include <array>
|
|
#include <set>
|
|
#include <memory>
|
|
#include <utility>
|
|
#include <libdevcore/RLP.h>
|
|
#include <libdevcore/Worker.h>
|
|
#include <libdevcore/Guards.h>
|
|
#include <libdevcrypto/SHA3.h>
|
|
#include "Common.h"
|
|
#include "WhisperPeer.h"
|
|
#include "Interface.h"
|
|
|
|
namespace dev
|
|
{
|
|
namespace shh
|
|
{
|
|
|
|
class WhisperHost: public HostCapability<WhisperPeer>, public Interface, public Worker
|
|
{
|
|
friend class WhisperPeer;
|
|
|
|
public:
|
|
WhisperHost();
|
|
virtual ~WhisperHost();
|
|
|
|
unsigned protocolVersion() const { return 1; }
|
|
|
|
virtual void inject(Envelope const& _e, WhisperPeer* _from = nullptr) override;
|
|
|
|
using Interface::installWatch;
|
|
virtual unsigned installWatch(TopicFilter const& _filter) override;
|
|
virtual unsigned installWatchOnId(h256 _filterId) override;
|
|
virtual void uninstallWatch(unsigned _watchId) override;
|
|
virtual h256s peekWatch(unsigned _watchId) const override { dev::Guard l(m_filterLock); try { return m_watches.at(_watchId).changes; } catch (...) { return h256s(); } }
|
|
virtual h256s checkWatch(unsigned _watchId) override { cleanup(); dev::Guard l(m_filterLock); h256s ret; try { ret = m_watches.at(_watchId).changes; m_watches.at(_watchId).changes.clear(); } catch (...) {} return ret; }
|
|
virtual h256s watchMessages(unsigned _watchId) override;
|
|
|
|
virtual Envelope envelope(h256 _m) const override { try { dev::ReadGuard l(x_messages); return m_messages.at(_m); } catch (...) { return Envelope(); } }
|
|
|
|
std::map<h256, Envelope> all() const { ReadGuard l(x_messages); return m_messages; }
|
|
|
|
void cleanup();
|
|
|
|
protected:
|
|
void doWork();
|
|
|
|
private:
|
|
virtual void onStarting() { startWorking(); }
|
|
virtual void onStopping() { stopWorking(); }
|
|
|
|
void streamMessage(h256 _m, RLPStream& _s) const;
|
|
|
|
void noteChanged(h256 _messageHash, h256 _filter);
|
|
|
|
mutable dev::SharedMutex x_messages;
|
|
std::map<h256, Envelope> m_messages;
|
|
std::map<unsigned, h256> m_expiryQueue;
|
|
|
|
mutable dev::Mutex m_filterLock;
|
|
std::map<h256, InstalledFilter> m_filters;
|
|
std::map<unsigned, ClientWatch> m_watches;
|
|
};
|
|
|
|
}
|
|
}
|
|
|