src/addrdb.h

   1 // Copyright (c) 2009-2010 Satoshi Nakamoto
   2 // Copyright (c) 2009-2017 The Bitcoin Core developers
   3 // Distributed under the MIT software license, see the accompanying
   4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5
   6 #ifndef BITCOIN_ADDRDB_H
   7 #define BITCOIN_ADDRDB_H
   8
   9 #include <fs.h>
  10 #include <serialize.h>
  11
  12 #include <string>
  13 #include <map>
  14
  15 class CSubNet;
  16 class CAddrMan;
  17 class CDataStream;
  18
  19 typedef enum BanReason
  20 {
  21     BanReasonUnknown          = 0,
  22     BanReasonNodeMisbehaving  = 1,
  23     BanReasonManuallyAdded    = 2
  24 } BanReason;
  25
  26 class CBanEntry
  27 {
  28 public:
  29     static const int CURRENT_VERSION=1;
  30     int nVersion;
  31     int64_t nCreateTime;
  32     int64_t nBanUntil;
  33     uint8_t banReason;
  34
  35     CBanEntry()
  36     {
  37         SetNull();
  38     }
  39
  40     explicit CBanEntry(int64_t nCreateTimeIn)
  41     {
  42         SetNull();
  43         nCreateTime = nCreateTimeIn;
  44     }
  45
  46     ADD_SERIALIZE_METHODS;
  47
  48     template <typename Stream, typename Operation>
  49     inline void SerializationOp(Stream& s, Operation ser_action) {
  50         READWRITE(this->nVersion);
  51         READWRITE(nCreateTime);
  52         READWRITE(nBanUntil);
  53         READWRITE(banReason);
  54     }
  55
  56     void SetNull()
  57     {
  58         nVersion = CBanEntry::CURRENT_VERSION;
  59         nCreateTime = 0;
  60         nBanUntil = 0;
  61         banReason = BanReasonUnknown;
  62     }
  63
  64     std::string banReasonToString() const
  65     {
  66         switch (banReason) {
  67         case BanReasonNodeMisbehaving:
  68             return "node misbehaving";
  69         case BanReasonManuallyAdded:
  70             return "manually added";
  71         default:
  72             return "unknown";
  73         }
  74     }
  75 };
  76
  77 typedef std::map<CSubNet, CBanEntry> banmap_t;
  78
  79 /** Access to the (IP) address database (peers.dat) */
  80 class CAddrDB
  81 {
  82 private:
  83     fs::path pathAddr;
  84 public:
  85     CAddrDB();
  86     bool Write(const CAddrMan& addr);
  87     bool Read(CAddrMan& addr);
  88     static bool Read(CAddrMan& addr, CDataStream& ssPeers);
  89 };
  90
  91 /** Access to the banlist database (banlist.dat) */
  92 class CBanDB
  93 {
  94 private:
  95     fs::path pathBanlist;
  96 public:
  97     CBanDB();
  98     bool Write(const banmap_t& banSet);
  99     bool Read(banmap_t& banSet);
 100 };
 101
 102 #endif // BITCOIN_ADDRDB_H