Bitcoin ABC  0.26.3
P2P Digital Currency
zmqabstractnotifier.h
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1 // Copyright (c) 2015 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #ifndef BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
6 #define BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
7 
8 #include <memory>
9 #include <string>
10 
11 class CBlockIndex;
12 class CTransaction;
14 
15 using CZMQNotifierFactory = std::unique_ptr<CZMQAbstractNotifier> (*)();
16 
18 public:
19  static const int DEFAULT_ZMQ_SNDHWM{1000};
20 
22  : psocket(nullptr),
24  virtual ~CZMQAbstractNotifier();
25 
26  template <typename T>
27  static std::unique_ptr<CZMQAbstractNotifier> Create() {
28  return std::make_unique<T>();
29  }
30 
31  std::string GetType() const { return type; }
32  void SetType(const std::string &t) { type = t; }
33  std::string GetAddress() const { return address; }
34  void SetAddress(const std::string &a) { address = a; }
37  }
38  void SetOutboundMessageHighWaterMark(const int sndhwm) {
39  if (sndhwm >= 0) {
41  }
42  }
43 
44  virtual bool Initialize(void *pcontext) = 0;
45  virtual void Shutdown() = 0;
46 
47  // Notifies of ConnectTip result, i.e., new active tip only
48  virtual bool NotifyBlock(const CBlockIndex *pindex);
49  // Notifies of every block connection
50  virtual bool NotifyBlockConnect(const CBlockIndex *pindex);
51  // Notifies of every block disconnection
52  virtual bool NotifyBlockDisconnect(const CBlockIndex *pindex);
53  // Notifies of every mempool acceptance
54  virtual bool NotifyTransactionAcceptance(const CTransaction &transaction,
55  uint64_t mempool_sequence);
56  // Notifies of every mempool removal, except inclusion in blocks
57  virtual bool NotifyTransactionRemoval(const CTransaction &transaction,
58  uint64_t mempool_sequence);
59  // Notifies of transactions added to mempool or appearing in blocks
60  virtual bool NotifyTransaction(const CTransaction &transaction);
61 
62 protected:
63  void *psocket;
64  std::string type;
65  std::string address;
67 };
68 
69 #endif // BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
The block chain is a tree shaped structure starting with the genesis block at the root,...
Definition: blockindex.h:23
The basic transaction that is broadcasted on the network and contained in blocks.
Definition: transaction.h:194
std::string GetType() const
virtual void Shutdown()=0
virtual bool NotifyBlockConnect(const CBlockIndex *pindex)
static const int DEFAULT_ZMQ_SNDHWM
void SetOutboundMessageHighWaterMark(const int sndhwm)
void SetAddress(const std::string &a)
virtual bool NotifyTransactionRemoval(const CTransaction &transaction, uint64_t mempool_sequence)
virtual bool NotifyBlock(const CBlockIndex *pindex)
virtual bool Initialize(void *pcontext)=0
virtual bool NotifyTransaction(const CTransaction &transaction)
static std::unique_ptr< CZMQAbstractNotifier > Create()
std::string GetAddress() const
virtual bool NotifyBlockDisconnect(const CBlockIndex *pindex)
void SetType(const std::string &t)
int GetOutboundMessageHighWaterMark() const
virtual bool NotifyTransactionAcceptance(const CTransaction &transaction, uint64_t mempool_sequence)
std::unique_ptr< CZMQAbstractNotifier >(*)() CZMQNotifierFactory