1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2014 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.
9 #include "utilstrencodings.h"
12 # include <arpa/inet.h>
15 static const char* ppszTypeName[] =
23 CMessageHeader::CMessageHeader(const MessageStartChars& pchMessageStartIn)
25 memcpy(pchMessageStart, pchMessageStartIn, MESSAGE_START_SIZE);
26 memset(pchCommand, 0, sizeof(pchCommand));
31 CMessageHeader::CMessageHeader(const MessageStartChars& pchMessageStartIn, const char* pszCommand, unsigned int nMessageSizeIn)
33 memcpy(pchMessageStart, pchMessageStartIn, MESSAGE_START_SIZE);
34 memset(pchCommand, 0, sizeof(pchCommand));
35 strncpy(pchCommand, pszCommand, COMMAND_SIZE);
36 nMessageSize = nMessageSizeIn;
40 std::string CMessageHeader::GetCommand() const
42 return std::string(pchCommand, pchCommand + strnlen(pchCommand, COMMAND_SIZE));
45 bool CMessageHeader::IsValid(const MessageStartChars& pchMessageStartIn) const
48 if (memcmp(pchMessageStart, pchMessageStartIn, MESSAGE_START_SIZE) != 0)
51 // Check the command string for errors
52 for (const char* p1 = pchCommand; p1 < pchCommand + COMMAND_SIZE; p1++)
56 // Must be all zeros after the first zero
57 for (; p1 < pchCommand + COMMAND_SIZE; p1++)
61 else if (*p1 < ' ' || *p1 > 0x7E)
66 if (nMessageSize > MAX_SIZE)
68 LogPrintf("CMessageHeader::IsValid(): (%s, %u bytes) nMessageSize > MAX_SIZE\n", GetCommand(), nMessageSize);
77 CAddress::CAddress() : CService()
82 CAddress::CAddress(CService ipIn, uint64_t nServicesIn) : CService(ipIn)
85 nServices = nServicesIn;
90 nServices = NODE_NETWORK;
100 CInv::CInv(int typeIn, const uint256& hashIn)
106 CInv::CInv(const std::string& strType, const uint256& hashIn)
109 for (i = 1; i < ARRAYLEN(ppszTypeName); i++)
111 if (strType == ppszTypeName[i])
117 if (i == ARRAYLEN(ppszTypeName))
118 throw std::out_of_range(strprintf("CInv::CInv(string, uint256): unknown type '%s'", strType));
122 bool operator<(const CInv& a, const CInv& b)
124 return (a.type < b.type || (a.type == b.type && a.hash < b.hash));
127 bool CInv::IsKnownType() const
129 return (type >= 1 && type < (int)ARRAYLEN(ppszTypeName));
132 const char* CInv::GetCommand() const
135 throw std::out_of_range(strprintf("CInv::GetCommand(): type=%d unknown type", type));
136 return ppszTypeName[type];
139 std::string CInv::ToString() const
141 return strprintf("%s %s", GetCommand(), hash.ToString());