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Add more information to errors in ReadBlockFromDisk

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A lot of times, disk corruption problems appear here.
To facilitate debugging and troubleshooting, add position information
to the error messages.
This commit is contained in:
Wladimir J. van der Laan 2015-01-26 09:47:59 +01:00
parent 1c4e3f99f0
commit f5791c6ae3
2 changed files with 11 additions and 4 deletions
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6
src/chain.h
View file

@ -48,6 +48,12 @@ struct CDiskBlockPos
void SetNull() { nFile = -1; nPos = 0; }
bool IsNull() const { return (nFile == -1); }
std::string ToString() const
{
return strprintf("CBlockDiskPos(nFile=%i, nPos=%i)", nFile, nPos);
}
};
enum BlockStatus {

9
src/main.cpp
View file

@ -1199,19 +1199,19 @@ bool ReadBlockFromDisk(CBlock& block, const CDiskBlockPos& pos)
// Open history file to read
CAutoFile filein(OpenBlockFile(pos, true), SER_DISK, CLIENT_VERSION);
if (filein.IsNull())
return error("ReadBlockFromDisk: OpenBlockFile failed");
return error("ReadBlockFromDisk: OpenBlockFile failed for %s", pos.ToString());
// Read block
try {
filein >> block;
}
catch (const std::exception& e) {
return error("%s: Deserialize or I/O error - %s", __func__, e.what());
return error("%s: Deserialize or I/O error - %s at %s", __func__, e.what(), pos.ToString());
}
// Check the header
if (!CheckProofOfWork(block.GetHash(), block.nBits))
return error("ReadBlockFromDisk: Errors in block header");
return error("ReadBlockFromDisk: Errors in block header at %s", pos.ToString());
return true;
}
@ -1221,7 +1221,8 @@ bool ReadBlockFromDisk(CBlock& block, const CBlockIndex* pindex)
if (!ReadBlockFromDisk(block, pindex->GetBlockPos()))
return false;
if (block.GetHash() != pindex->GetBlockHash())
return error("ReadBlockFromDisk(CBlock&, CBlockIndex*): GetHash() doesn't match index");
return error("ReadBlockFromDisk(CBlock&, CBlockIndex*): GetHash() doesn't match index for %s at %s",
pindex->ToString(), pindex->GetBlockPos().ToString());
return true;
}