neobytes/src/protocol.cpp
UdjinM6 2d55b70381 (log) tweaks and (general) cleanup (#1086)
* docs

* deprecated/unused/duplicate

* comments

* log cleanup/verbosity tuning

* names/ifs/whitespaces/std
2016-10-22 20:52:14 +04:00

275 lines
7.7 KiB
C++

// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "protocol.h"
#include "util.h"
#include "utilstrencodings.h"
#ifndef WIN32
# include <arpa/inet.h>
#endif
namespace NetMsgType {
const char *VERSION="version";
const char *VERACK="verack";
const char *ADDR="addr";
const char *INV="inv";
const char *GETDATA="getdata";
const char *MERKLEBLOCK="merkleblock";
const char *GETBLOCKS="getblocks";
const char *GETHEADERS="getheaders";
const char *TX="tx";
const char *HEADERS="headers";
const char *BLOCK="block";
const char *GETADDR="getaddr";
const char *MEMPOOL="mempool";
const char *PING="ping";
const char *PONG="pong";
const char *ALERT="alert";
const char *NOTFOUND="notfound";
const char *FILTERLOAD="filterload";
const char *FILTERADD="filteradd";
const char *FILTERCLEAR="filterclear";
const char *REJECT="reject";
const char *SENDHEADERS="sendheaders";
// Dash message types
const char *TXLOCKREQUEST="ix";
const char *TXLOCKVOTE="txlvote";
const char *SPORK="spork";
const char *GETSPORKS="getsporks";
const char *MASTERNODEPAYMENTVOTE="mnw";
const char *MASTERNODEPAYMENTBLOCK="mnwb";
const char *MASTERNODEPAYMENTSYNC="mnget";
const char *MNBUDGETSYNC="mnvs"; // depreciated since 12.1
const char *MNBUDGETVOTE="mvote"; // depreciated since 12.1
const char *MNBUDGETPROPOSAL="mprop"; // depreciated since 12.1
const char *MNBUDGETFINAL="fbs"; // depreciated since 12.1
const char *MNBUDGETFINALVOTE="fbvote"; // depreciated since 12.1
const char *MNQUORUM="mn quorum"; // not implemented
const char *MNANNOUNCE="mnb";
const char *MNPING="mnp";
const char *DSACCEPT="dsa";
const char *DSVIN="dsi";
const char *DSFINALTX="dsf";
const char *DSSIGNFINALTX="dss";
const char *DSCOMPLETE="dsc";
const char *DSSTATUSUPDATE="dssu";
const char *DSTX="dstx";
const char *DSQUEUE="dsq";
const char *DSEG="dseg";
const char *SYNCSTATUSCOUNT="ssc";
const char *MNGOVERNANCESYNC="govsync";
const char *MNGOVERNANCEOBJECT="govobj";
const char *MNGOVERNANCEOBJECTVOTE="govobjvote";
const char *MNVERIFY="mnv";
};
static const char* ppszTypeName[] =
{
"ERROR", // Should never occur
NetMsgType::TX,
NetMsgType::BLOCK,
"filtered block", // Should never occur
// Dash message types
// NOTE: include non-implmented here, we must keep this list in sync with enum in protocol.h
NetMsgType::TXLOCKREQUEST,
NetMsgType::TXLOCKVOTE,
NetMsgType::SPORK,
NetMsgType::MASTERNODEPAYMENTVOTE,
NetMsgType::MASTERNODEPAYMENTBLOCK, // reusing, was MNSCANERROR previousely, was NOT used in 12.0, we need this for inv
NetMsgType::MNBUDGETVOTE, // depreciated since 12.1
NetMsgType::MNBUDGETPROPOSAL, // depreciated since 12.1
NetMsgType::MNBUDGETFINAL, // depreciated since 12.1
NetMsgType::MNBUDGETFINALVOTE, // depreciated since 12.1
NetMsgType::MNQUORUM, // not implemented
NetMsgType::MNANNOUNCE,
NetMsgType::MNPING,
NetMsgType::DSTX,
NetMsgType::MNGOVERNANCEOBJECT,
NetMsgType::MNGOVERNANCEOBJECTVOTE,
NetMsgType::MNVERIFY,
};
/** All known message types. Keep this in the same order as the list of
* messages above and in protocol.h.
*/
const static std::string allNetMessageTypes[] = {
NetMsgType::VERSION,
NetMsgType::VERACK,
NetMsgType::ADDR,
NetMsgType::INV,
NetMsgType::GETDATA,
NetMsgType::MERKLEBLOCK,
NetMsgType::GETBLOCKS,
NetMsgType::GETHEADERS,
NetMsgType::TX,
NetMsgType::HEADERS,
NetMsgType::BLOCK,
NetMsgType::GETADDR,
NetMsgType::MEMPOOL,
NetMsgType::PING,
NetMsgType::PONG,
NetMsgType::ALERT,
NetMsgType::NOTFOUND,
NetMsgType::FILTERLOAD,
NetMsgType::FILTERADD,
NetMsgType::FILTERCLEAR,
NetMsgType::REJECT,
NetMsgType::SENDHEADERS,
// Dash message types
// NOTE: do NOT include non-implmented here, we want them to be "Unknown command" in ProcessMessage()
NetMsgType::TXLOCKREQUEST,
NetMsgType::TXLOCKVOTE,
NetMsgType::SPORK,
NetMsgType::GETSPORKS,
NetMsgType::MASTERNODEPAYMENTVOTE,
// NetMsgType::MASTERNODEPAYMENTBLOCK, // there is no message for this, only inventory
NetMsgType::MASTERNODEPAYMENTSYNC,
NetMsgType::MNANNOUNCE,
NetMsgType::MNPING,
NetMsgType::DSACCEPT,
NetMsgType::DSVIN,
NetMsgType::DSFINALTX,
NetMsgType::DSSIGNFINALTX,
NetMsgType::DSCOMPLETE,
NetMsgType::DSSTATUSUPDATE,
NetMsgType::DSTX,
NetMsgType::DSQUEUE,
NetMsgType::DSEG,
NetMsgType::SYNCSTATUSCOUNT,
NetMsgType::MNGOVERNANCESYNC,
NetMsgType::MNGOVERNANCEOBJECT,
NetMsgType::MNGOVERNANCEOBJECTVOTE,
NetMsgType::MNVERIFY,
};
const static std::vector<std::string> allNetMessageTypesVec(allNetMessageTypes, allNetMessageTypes+ARRAYLEN(allNetMessageTypes));
CMessageHeader::CMessageHeader(const MessageStartChars& pchMessageStartIn)
{
memcpy(pchMessageStart, pchMessageStartIn, MESSAGE_START_SIZE);
memset(pchCommand, 0, sizeof(pchCommand));
nMessageSize = -1;
nChecksum = 0;
}
CMessageHeader::CMessageHeader(const MessageStartChars& pchMessageStartIn, const char* pszCommand, unsigned int nMessageSizeIn)
{
memcpy(pchMessageStart, pchMessageStartIn, MESSAGE_START_SIZE);
memset(pchCommand, 0, sizeof(pchCommand));
strncpy(pchCommand, pszCommand, COMMAND_SIZE);
nMessageSize = nMessageSizeIn;
nChecksum = 0;
}
std::string CMessageHeader::GetCommand() const
{
return std::string(pchCommand, pchCommand + strnlen(pchCommand, COMMAND_SIZE));
}
bool CMessageHeader::IsValid(const MessageStartChars& pchMessageStartIn) const
{
// Check start string
if (memcmp(pchMessageStart, pchMessageStartIn, MESSAGE_START_SIZE) != 0)
return false;
// Check the command string for errors
for (const char* p1 = pchCommand; p1 < pchCommand + COMMAND_SIZE; p1++)
{
if (*p1 == 0)
{
// Must be all zeros after the first zero
for (; p1 < pchCommand + COMMAND_SIZE; p1++)
if (*p1 != 0)
return false;
}
else if (*p1 < ' ' || *p1 > 0x7E)
return false;
}
// Message size
if (nMessageSize > MAX_SIZE)
{
LogPrintf("CMessageHeader::IsValid(): (%s, %u bytes) nMessageSize > MAX_SIZE\n", GetCommand(), nMessageSize);
return false;
}
return true;
}
CAddress::CAddress() : CService()
{
Init();
}
CAddress::CAddress(CService ipIn, uint64_t nServicesIn) : CService(ipIn)
{
Init();
nServices = nServicesIn;
}
void CAddress::Init()
{
nServices = NODE_NETWORK;
nTime = 100000000;
}
CInv::CInv()
{
type = 0;
hash.SetNull();
}
CInv::CInv(int typeIn, const uint256& hashIn)
{
type = typeIn;
hash = hashIn;
}
CInv::CInv(const std::string& strType, const uint256& hashIn)
{
unsigned int i;
for (i = 1; i < ARRAYLEN(ppszTypeName); i++)
{
if (strType == ppszTypeName[i])
{
type = i;
break;
}
}
if (i == ARRAYLEN(ppszTypeName))
throw std::out_of_range(strprintf("CInv::CInv(string, uint256): unknown type '%s'", strType));
hash = hashIn;
}
bool operator<(const CInv& a, const CInv& b)
{
return (a.type < b.type || (a.type == b.type && a.hash < b.hash));
}
bool CInv::IsKnownType() const
{
return (type >= 1 && type < (int)ARRAYLEN(ppszTypeName));
}
const char* CInv::GetCommand() const
{
if (!IsKnownType())
throw std::out_of_range(strprintf("CInv::GetCommand(): type=%d unknown type", type));
return ppszTypeName[type];
}
std::string CInv::ToString() const
{
return strprintf("%s %s", GetCommand(), hash.ToString());
}
const std::vector<std::string> &getAllNetMessageTypes()
{
return allNetMessageTypesVec;
}