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68 lines
2.3 KiB
68 lines
2.3 KiB
// Copyright (c) 2015-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
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#define BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
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#include <util/memory.h>
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#include <memory>
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#include <string>
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class CBlockIndex;
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class CTransaction;
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class CZMQAbstractNotifier;
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using CZMQNotifierFactory = std::unique_ptr<CZMQAbstractNotifier> (*)();
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class CZMQAbstractNotifier
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{
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public:
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static const int DEFAULT_ZMQ_SNDHWM {1000};
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CZMQAbstractNotifier() : psocket(nullptr), outbound_message_high_water_mark(DEFAULT_ZMQ_SNDHWM) { }
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virtual ~CZMQAbstractNotifier();
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template <typename T>
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static std::unique_ptr<CZMQAbstractNotifier> Create()
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{
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return MakeUnique<T>();
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}
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std::string GetType() const { return type; }
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void SetType(const std::string &t) { type = t; }
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std::string GetAddress() const { return address; }
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void SetAddress(const std::string &a) { address = a; }
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int GetOutboundMessageHighWaterMark() const { return outbound_message_high_water_mark; }
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void SetOutboundMessageHighWaterMark(const int sndhwm) {
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if (sndhwm >= 0) {
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outbound_message_high_water_mark = sndhwm;
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}
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}
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virtual bool Initialize(void *pcontext) = 0;
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virtual void Shutdown() = 0;
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// Notifies of ConnectTip result, i.e., new active tip only
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virtual bool NotifyBlock(const CBlockIndex *pindex);
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// Notifies of every block connection
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virtual bool NotifyBlockConnect(const CBlockIndex *pindex);
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// Notifies of every block disconnection
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virtual bool NotifyBlockDisconnect(const CBlockIndex *pindex);
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// Notifies of every mempool acceptance
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virtual bool NotifyTransactionAcceptance(const CTransaction &transaction, uint64_t mempool_sequence);
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// Notifies of every mempool removal, except inclusion in blocks
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virtual bool NotifyTransactionRemoval(const CTransaction &transaction, uint64_t mempool_sequence);
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// Notifies of transactions added to mempool or appearing in blocks
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virtual bool NotifyTransaction(const CTransaction &transaction);
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protected:
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void *psocket;
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std::string type;
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std::string address;
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int outbound_message_high_water_mark; // aka SNDHWM
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};
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#endif // BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
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