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@ -170,6 +170,14 @@ CDB::CDB(const char *pszFile, const char* pszMode) :
@@ -170,6 +170,14 @@ CDB::CDB(const char *pszFile, const char* pszMode) :
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} |
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} |
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static bool IsChainFile(std::string strFile) |
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{ |
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if (strFile == "blkindex.dat") |
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return true; |
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return false; |
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} |
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void CDB::Close() |
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{ |
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if (!pdb) |
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@ -183,9 +191,9 @@ void CDB::Close()
@@ -183,9 +191,9 @@ void CDB::Close()
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unsigned int nMinutes = 0; |
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if (fReadOnly) |
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nMinutes = 1; |
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if (strFile == "blkindex.dat") |
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if (IsChainFile(strFile)) |
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nMinutes = 2; |
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if (strFile == "blkindex.dat" && IsInitialBlockDownload()) |
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if (IsChainFile(strFile) && IsInitialBlockDownload()) |
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nMinutes = 5; |
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bitdb.dbenv.txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100)*1024 : 0, nMinutes, 0); |
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@ -327,7 +335,7 @@ void CDBEnv::Flush(bool fShutdown)
@@ -327,7 +335,7 @@ void CDBEnv::Flush(bool fShutdown)
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CloseDb(strFile); |
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printf("%s checkpoint\n", strFile.c_str()); |
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dbenv.txn_checkpoint(0, 0, 0); |
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if (strFile != "blkindex.dat" || fDetachDB) { |
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if (!IsChainFile(strFile) || fDetachDB) { |
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printf("%s detach\n", strFile.c_str()); |
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dbenv.lsn_reset(strFile.c_str(), 0); |
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} |
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@ -529,68 +537,9 @@ CBlockIndex static * InsertBlockIndex(uint256 hash)
@@ -529,68 +537,9 @@ CBlockIndex static * InsertBlockIndex(uint256 hash)
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bool CTxDB::LoadBlockIndex() |
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{ |
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// Get database cursor
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Dbc* pcursor = GetCursor(); |
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if (!pcursor) |
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if (!LoadBlockIndexGuts()) |
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return false; |
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// Load mapBlockIndex
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unsigned int fFlags = DB_SET_RANGE; |
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loop |
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{ |
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// Read next record
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CDataStream ssKey(SER_DISK, CLIENT_VERSION); |
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if (fFlags == DB_SET_RANGE) |
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ssKey << make_pair(string("blockindex"), uint256(0)); |
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CDataStream ssValue(SER_DISK, CLIENT_VERSION); |
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int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); |
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fFlags = DB_NEXT; |
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if (ret == DB_NOTFOUND) |
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break; |
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else if (ret != 0) |
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return false; |
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// Unserialize
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try { |
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string strType; |
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ssKey >> strType; |
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if (strType == "blockindex" && !fRequestShutdown) |
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{ |
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CDiskBlockIndex diskindex; |
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ssValue >> diskindex; |
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// Construct block index object
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CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash()); |
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pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev); |
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pindexNew->pnext = InsertBlockIndex(diskindex.hashNext); |
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pindexNew->nFile = diskindex.nFile; |
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pindexNew->nBlockPos = diskindex.nBlockPos; |
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pindexNew->nHeight = diskindex.nHeight; |
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pindexNew->nVersion = diskindex.nVersion; |
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pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot; |
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pindexNew->nTime = diskindex.nTime; |
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pindexNew->nBits = diskindex.nBits; |
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pindexNew->nNonce = diskindex.nNonce; |
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// Watch for genesis block
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if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock) |
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pindexGenesisBlock = pindexNew; |
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if (!pindexNew->CheckIndex()) |
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return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight); |
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} |
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else |
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{ |
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break; // if shutdown requested or finished loading block index
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} |
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} // try
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catch (std::exception &e) { |
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return error("%s() : deserialize error", __PRETTY_FUNCTION__); |
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} |
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} |
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pcursor->close(); |
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if (fRequestShutdown) |
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return true; |
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@ -756,6 +705,75 @@ bool CTxDB::LoadBlockIndex()
@@ -756,6 +705,75 @@ bool CTxDB::LoadBlockIndex()
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bool CTxDB::LoadBlockIndexGuts() |
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{ |
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// Get database cursor
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Dbc* pcursor = GetCursor(); |
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if (!pcursor) |
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return false; |
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// Load mapBlockIndex
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unsigned int fFlags = DB_SET_RANGE; |
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loop |
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{ |
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// Read next record
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CDataStream ssKey(SER_DISK, CLIENT_VERSION); |
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if (fFlags == DB_SET_RANGE) |
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ssKey << make_pair(string("blockindex"), uint256(0)); |
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CDataStream ssValue(SER_DISK, CLIENT_VERSION); |
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int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); |
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fFlags = DB_NEXT; |
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if (ret == DB_NOTFOUND) |
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break; |
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else if (ret != 0) |
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return false; |
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// Unserialize
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try { |
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string strType; |
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ssKey >> strType; |
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if (strType == "blockindex" && !fRequestShutdown) |
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{ |
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CDiskBlockIndex diskindex; |
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ssValue >> diskindex; |
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// Construct block index object
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CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash()); |
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pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev); |
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pindexNew->pnext = InsertBlockIndex(diskindex.hashNext); |
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pindexNew->nFile = diskindex.nFile; |
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pindexNew->nBlockPos = diskindex.nBlockPos; |
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pindexNew->nHeight = diskindex.nHeight; |
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pindexNew->nVersion = diskindex.nVersion; |
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pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot; |
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pindexNew->nTime = diskindex.nTime; |
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pindexNew->nBits = diskindex.nBits; |
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pindexNew->nNonce = diskindex.nNonce; |
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// Watch for genesis block
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if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock) |
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pindexGenesisBlock = pindexNew; |
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if (!pindexNew->CheckIndex()) |
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return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight); |
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} |
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else |
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{ |
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break; // if shutdown requested or finished loading block index
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} |
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} // try
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catch (std::exception &e) { |
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return error("%s() : deserialize error", __PRETTY_FUNCTION__); |
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} |
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} |
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pcursor->close(); |
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return true; |
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} |
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//
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