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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2011 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef __cplusplus
# error This header can only be compiled as C++.
#endif
#ifndef __INCLUDED_PROTOCOL_H__
#define __INCLUDED_PROTOCOL_H__
#ifndef __WXMSW__
#include <netinet/in.h>
#endif
#include "serialize.h"
#include <string>
#include "uint256.h"
extern bool fTestNet;
static inline unsigned short GetDefaultPort(const bool testnet = fTestNet)
{
return testnet ? 18333 : 8333;
}
//
// Message header
// (4) message start
// (12) command
// (4) size
// (4) checksum
extern unsigned char pchMessageStart[4];
class CMessageHeader
{
public:
CMessageHeader();
CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn);
std::string GetCommand() const;
bool IsValid() const;
IMPLEMENT_SERIALIZE
(
READWRITE(FLATDATA(pchMessageStart));
READWRITE(FLATDATA(pchCommand));
READWRITE(nMessageSize);
if (nVersion >= 209)
READWRITE(nChecksum);
)
// TODO: make private (improves encapsulation)
public:
enum { COMMAND_SIZE=12 };
char pchMessageStart[sizeof(::pchMessageStart)];
char pchCommand[COMMAND_SIZE];
unsigned int nMessageSize;
unsigned int nChecksum;
};
enum
{
NODE_NETWORK = (1 << 0),
};
class CAddress
{
public:
CAddress();
CAddress(unsigned int ipIn, unsigned short portIn=0, uint64 nServicesIn=NODE_NETWORK);
explicit CAddress(const struct sockaddr_in& sockaddr, uint64 nServicesIn=NODE_NETWORK);
explicit CAddress(const char* pszIn, int portIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
explicit CAddress(const char* pszIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
explicit CAddress(std::string strIn, int portIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
explicit CAddress(std::string strIn, bool fNameLookup = false, uint64 nServicesIn=NODE_NETWORK);
void Init();
IMPLEMENT_SERIALIZE
(
if (fRead)
const_cast<CAddress*>(this)->Init();
if (nType & SER_DISK)
READWRITE(nVersion);
if ((nType & SER_DISK) || (nVersion >= 31402 && !(nType & SER_GETHASH)))
READWRITE(nTime);
READWRITE(nServices);
READWRITE(FLATDATA(pchReserved)); // for IPv6
READWRITE(ip);
READWRITE(port);
)
friend bool operator==(const CAddress& a, const CAddress& b);
friend bool operator!=(const CAddress& a, const CAddress& b);
friend bool operator<(const CAddress& a, const CAddress& b);
std::vector<unsigned char> GetKey() const;
struct sockaddr_in GetSockAddr() const;
bool IsIPv4() const;
bool IsRFC1918() const;
bool IsRFC3927() const;
bool IsLocal() const;
bool IsRoutable() const;
bool IsValid() const;
unsigned char GetByte(int n) const;
std::string ToStringIPPort() const;
std::string ToStringIP() const;
std::string ToStringPort() const;
std::string ToString() const;
void print() const;
// TODO: make private (improves encapsulation)
public:
uint64 nServices;
unsigned char pchReserved[12];
unsigned int ip;
unsigned short port;
// disk and network only
unsigned int nTime;
// memory only
unsigned int nLastTry;
};
class CInv
{
public:
CInv();
CInv(int typeIn, const uint256& hashIn);
CInv(const std::string& strType, const uint256& hashIn);
IMPLEMENT_SERIALIZE
(
READWRITE(type);
READWRITE(hash);
)
friend bool operator<(const CInv& a, const CInv& b);
bool IsKnownType() const;
const char* GetCommand() const;
std::string ToString() const;
void print() const;
// TODO: make private (improves encapsulation)
public:
int type;
uint256 hash;
};
#endif // __INCLUDED_PROTOCOL_H__
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