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- // ECOin - Copyright (c) - 2014/2022 - GPLv3 - epsylon@riseup.net (https://03c8.net)
- #include "protocol.h"
- #include "util.h"
- #include "netbase.h"
- #ifndef WIN32
- # include <arpa/inet.h>
- #endif
- static const char* ppszTypeName[] =
- {
- "ERROR",
- "tx",
- "block",
- };
- CMessageHeader::CMessageHeader()
- {
- memcpy(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart));
- memset(pchCommand, 0, sizeof(pchCommand));
- pchCommand[1] = 1;
- nMessageSize = -1;
- nChecksum = 0;
- }
- CMessageHeader::CMessageHeader(const char* pszCommand, unsigned int nMessageSizeIn)
- {
- memcpy(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart));
- strncpy(pchCommand, pszCommand, COMMAND_SIZE);
- nMessageSize = nMessageSizeIn;
- nChecksum = 0;
- }
- std::string CMessageHeader::GetCommand() const
- {
- if (pchCommand[COMMAND_SIZE-1] == 0)
- return std::string(pchCommand, pchCommand + strlen(pchCommand));
- else
- return std::string(pchCommand, pchCommand + COMMAND_SIZE);
- }
- bool CMessageHeader::IsValid() const
- {
- // Check start string
- if (memcmp(pchMessageStart, ::pchMessageStart, sizeof(pchMessageStart)) != 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)
- {
- printf("CMessageHeader::IsValid() : (%s, %u bytes) nMessageSize > MAX_SIZE\n", GetCommand().c_str(), nMessageSize);
- return false;
- }
- return true;
- }
- CAddress::CAddress() : CService()
- {
- Init();
- }
- CAddress::CAddress(CService ipIn, uint64 nServicesIn) : CService(ipIn)
- {
- Init();
- nServices = nServicesIn;
- }
- void CAddress::Init()
- {
- nServices = NODE_NETWORK;
- nTime = 100000000;
- nLastTry = 0;
- }
- CInv::CInv()
- {
- type = 0;
- hash = 0;
- }
- 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.c_str()));
- 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().substr(0,20).c_str());
- }
- void CInv::print() const
- {
- printf("CInv(%s)\n", ToString().c_str());
- }
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