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BitcoinPrivate-legacy
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Avoid reject message feedback loops

This commit is contained in:
Pieter Wuille 2014-09-12 16:37:53 +02:00
parent 3fa1c81b94
commit efad808aae
1 changed files with 16 additions and 12 deletions
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28
src/main.cpp
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@ -4106,21 +4106,25 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
else if (strCommand == "reject")
{
if (fDebug)
{
string strMsg; unsigned char ccode; string strReason;
vRecv >> LIMITED_STRING(strMsg, CMessageHeader::COMMAND_SIZE) >> ccode >> LIMITED_STRING(strReason, 111);
if (fDebug) {
try {
string strMsg; unsigned char ccode; string strReason;
vRecv >> LIMITED_STRING(strMsg, CMessageHeader::COMMAND_SIZE) >> ccode >> LIMITED_STRING(strReason, 111);
ostringstream ss;
ss << strMsg << " code " << itostr(ccode) << ": " << strReason;
ostringstream ss;
ss << strMsg << " code " << itostr(ccode) << ": " << strReason;
if (strMsg == "block" || strMsg == "tx")
{
uint256 hash;
vRecv >> hash;
ss << ": hash " << hash.ToString();
if (strMsg == "block" || strMsg == "tx")
{
uint256 hash;
vRecv >> hash;
ss << ": hash " << hash.ToString();
}
LogPrint("net", "Reject %s\n", SanitizeString(ss.str()));
} catch (std::ios_base::failure& e) {
// Avoid feedback loops by preventing reject messages from triggering a new reject message.
LogPrint("net", "Unparseable reject message received\n");
}
LogPrint("net", "Reject %s\n", SanitizeString(ss.str()));
}
}