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+ 9438A1F1A661180998E98347B42EB49363F6C4FEF82F8D970D4D1E0A367AA32055A505431BD86F100929BEA481DCAF6FDD6FC95BB4E1D083E7044AEE102D4479
bitcoin/src/protocol.h
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17484 // Copyright (c) 2009-2010 Satoshi Nakamoto
17485 // Copyright (c) 2011 The Bitcoin developers
17486 // Distributed under the MIT/X11 software license, see the accompanying
17487 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
17488 
17489 #ifndef __cplusplus
17490 # error This header can only be compiled as C++.
17491 #endif
17492 
17493 #ifndef __INCLUDED_PROTOCOL_H__
17494 #define __INCLUDED_PROTOCOL_H__
17495 
17496 #include "serialize.h"
17497 #include <string>
17498 #include "uint256.h"
17499 
17500 extern bool fTestNet;
17501 static inline unsigned short GetDefaultPort(const bool testnet = fTestNet)
17502 {
17503     return testnet ? 18333 : 8333;
17504 }
17505 
17506 //
17507 // Message header
17508 //  (4) message start
17509 //  (12) command
17510 //  (4) size
17511 //  (4) checksum
17512 
17513 extern unsigned char pchMessageStart[4];
17514 
17515 class CMessageHeader
17516 {
17517     public:
17518         CMessageHeader();
17519         CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn);
17520 
17521         std::string GetCommand() const;
17522         bool IsValid() const;
17523 
17524         IMPLEMENT_SERIALIZE
17525             (
17526              READWRITE(FLATDATA(pchMessageStart));
17527              READWRITE(FLATDATA(pchCommand));
17528              READWRITE(nMessageSize);
17529              if (nVersion >= 209)
17530              READWRITE(nChecksum);
17531             )
17532 
17533     // TODO: make private (improves encapsulation)
17534     public:
17535         enum { COMMAND_SIZE=12 };
17536         char pchMessageStart[sizeof(::pchMessageStart)];
17537         char pchCommand[COMMAND_SIZE];
17538         unsigned int nMessageSize;
17539         unsigned int nChecksum;
17540 };
17541 
17542 enum
17543 {
17544     NODE_NETWORK = (1 << 0),
17545 };
17546 
17547 class CAddress
17548 {
17549     public:
17550         CAddress();
17551         CAddress(unsigned int ipIn, unsigned short portIn=0, uint64 nServicesIn=NODE_NETWORK);
17552         explicit CAddress(const struct sockaddr_in& sockaddr, uint64 nServicesIn=NODE_NETWORK);
17553         explicit CAddress(const char* pszIn, int portIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
17554         explicit CAddress(const char* pszIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
17555         explicit CAddress(std::string strIn, int portIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
17556         explicit CAddress(std::string strIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
17557 
17558         void Init();
17559 
17560         IMPLEMENT_SERIALIZE
17561             (
17562              if (fRead)
17563              const_cast<CAddress*>(this)->Init();
17564              if (nType & SER_DISK)
17565              READWRITE(nVersion);
17566              if ((nType & SER_DISK) || (nVersion >= 31402 && !(nType & SER_GETHASH)))
17567              READWRITE(nTime);
17568              READWRITE(nServices);
17569              READWRITE(FLATDATA(pchReserved)); // for IPv6
17570              READWRITE(ip);
17571              READWRITE(port);
17572             )
17573 
17574         friend bool operator==(const CAddress& a, const CAddress& b);
17575         friend bool operator!=(const CAddress& a, const CAddress& b);
17576         friend bool operator<(const CAddress& a, const CAddress& b);
17577 
17578         std::vector<unsigned char> GetKey() const;
17579         struct sockaddr_in GetSockAddr() const;
17580         bool IsIPv4() const;
17581         bool IsRFC1918() const;
17582         bool IsRFC3927() const;
17583         bool IsLocal() const;
17584         bool IsRoutable() const;
17585         bool IsValid() const;
17586         unsigned char GetByte(int n) const;
17587         std::string ToStringIPPort() const;
17588         std::string ToStringIP() const;
17589         std::string ToStringPort() const;
17590         std::string ToString() const;
17591         void print() const;
17592 
17593     // TODO: make private (improves encapsulation)
17594     public:
17595         uint64 nServices;
17596         unsigned char pchReserved[12];
17597         unsigned int ip;
17598         unsigned short port;
17599 
17600         // disk and network only
17601         unsigned int nTime;
17602 
17603         // memory only
17604         unsigned int nLastTry;
17605 };
17606 
17607 class CInv
17608 {
17609     public:
17610         CInv();
17611         CInv(int typeIn, const uint256& hashIn);
17612         CInv(const std::string& strType, const uint256& hashIn);
17613 
17614         IMPLEMENT_SERIALIZE
17615         (
17616             READWRITE(type);
17617             READWRITE(hash);
17618         )
17619 
17620         friend bool operator<(const CInv& a, const CInv& b);
17621 
17622         bool IsKnownType() const;
17623         const char* GetCommand() const;
17624         std::string ToString() const;
17625         void print() const;
17626 
17627     // TODO: make private (improves encapsulation)
17628     public:
17629         int type;
17630         uint256 hash;
17631 };
17632 
17633 #endif // __INCLUDED_PROTOCOL_H__