diff options
Diffstat (limited to 'src/node')
-rw-r--r-- | src/node/blockstorage.cpp | 154 | ||||
-rw-r--r-- | src/node/blockstorage.h | 47 |
2 files changed, 116 insertions, 85 deletions
diff --git a/src/node/blockstorage.cpp b/src/node/blockstorage.cpp index e9f78c2870..8127ebd769 100644 --- a/src/node/blockstorage.cpp +++ b/src/node/blockstorage.cpp @@ -27,23 +27,6 @@ bool fHavePruned = false; bool fPruneMode = false; uint64_t nPruneTarget = 0; -// TODO make namespace { -RecursiveMutex cs_LastBlockFile; -std::vector<CBlockFileInfo> vinfoBlockFile; -int nLastBlockFile = 0; -/** Global flag to indicate we should check to see if there are -* block/undo files that should be deleted. Set on startup -* or if we allocate more file space when we're in prune mode -*/ -bool fCheckForPruning = false; - -/** Dirty block index entries. */ -std::set<CBlockIndex*> setDirtyBlockIndex; - -/** Dirty block file entries. */ -std::set<int> setDirtyFileInfo; -// } // namespace - static FILE* OpenUndoFile(const FlatFilePos& pos, bool fReadOnly = false); static FlatFileSeq BlockFileSeq(); static FlatFileSeq UndoFileSeq(); @@ -86,7 +69,7 @@ CBlockIndex* BlockManager::AddToBlockIndex(const CBlockHeader& block) if (pindexBestHeader == nullptr || pindexBestHeader->nChainWork < pindexNew->nChainWork) pindexBestHeader = pindexNew; - setDirtyBlockIndex.insert(pindexNew); + m_dirty_blockindex.insert(pindexNew); return pindexNew; } @@ -104,7 +87,7 @@ void BlockManager::PruneOneBlockFile(const int fileNumber) pindex->nFile = 0; pindex->nDataPos = 0; pindex->nUndoPos = 0; - setDirtyBlockIndex.insert(pindex); + m_dirty_blockindex.insert(pindex); // Prune from m_blocks_unlinked -- any block we prune would have // to be downloaded again in order to consider its chain, at which @@ -121,8 +104,8 @@ void BlockManager::PruneOneBlockFile(const int fileNumber) } } - vinfoBlockFile[fileNumber].SetNull(); - setDirtyFileInfo.insert(fileNumber); + m_blockfile_info[fileNumber].SetNull(); + m_dirty_fileinfo.insert(fileNumber); } void BlockManager::FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight, int chain_tip_height) @@ -137,8 +120,8 @@ void BlockManager::FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nM // last block to prune is the lesser of (user-specified height, MIN_BLOCKS_TO_KEEP from the tip) unsigned int nLastBlockWeCanPrune = std::min((unsigned)nManualPruneHeight, chain_tip_height - MIN_BLOCKS_TO_KEEP); int count = 0; - for (int fileNumber = 0; fileNumber < nLastBlockFile; fileNumber++) { - if (vinfoBlockFile[fileNumber].nSize == 0 || vinfoBlockFile[fileNumber].nHeightLast > nLastBlockWeCanPrune) { + for (int fileNumber = 0; fileNumber < m_last_blockfile; fileNumber++) { + if (m_blockfile_info[fileNumber].nSize == 0 || m_blockfile_info[fileNumber].nHeightLast > nLastBlockWeCanPrune) { continue; } PruneOneBlockFile(fileNumber); @@ -177,10 +160,10 @@ void BlockManager::FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPr nBuffer += nPruneTarget / 10; } - for (int fileNumber = 0; fileNumber < nLastBlockFile; fileNumber++) { - nBytesToPrune = vinfoBlockFile[fileNumber].nSize + vinfoBlockFile[fileNumber].nUndoSize; + for (int fileNumber = 0; fileNumber < m_last_blockfile; fileNumber++) { + nBytesToPrune = m_blockfile_info[fileNumber].nSize + m_blockfile_info[fileNumber].nUndoSize; - if (vinfoBlockFile[fileNumber].nSize == 0) { + if (m_blockfile_info[fileNumber].nSize == 0) { continue; } @@ -189,7 +172,7 @@ void BlockManager::FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPr } // don't prune files that could have a block within MIN_BLOCKS_TO_KEEP of the main chain's tip but keep scanning - if (vinfoBlockFile[fileNumber].nHeightLast > nLastBlockWeCanPrune) { + if (m_blockfile_info[fileNumber].nHeightLast > nLastBlockWeCanPrune) { continue; } @@ -290,7 +273,7 @@ bool BlockManager::LoadBlockIndex( } if (!(pindex->nStatus & BLOCK_FAILED_MASK) && pindex->pprev && (pindex->pprev->nStatus & BLOCK_FAILED_MASK)) { pindex->nStatus |= BLOCK_FAILED_CHILD; - setDirtyBlockIndex.insert(pindex); + m_dirty_blockindex.insert(pindex); } if (pindex->IsAssumedValid() || (pindex->IsValid(BLOCK_VALID_TRANSACTIONS) && @@ -348,6 +331,31 @@ void BlockManager::Unload() } m_block_index.clear(); + + m_blockfile_info.clear(); + m_last_blockfile = 0; + m_dirty_blockindex.clear(); + m_dirty_fileinfo.clear(); +} + +bool BlockManager::WriteBlockIndexDB() +{ + std::vector<std::pair<int, const CBlockFileInfo*>> vFiles; + vFiles.reserve(m_dirty_fileinfo.size()); + for (std::set<int>::iterator it = m_dirty_fileinfo.begin(); it != m_dirty_fileinfo.end();) { + vFiles.push_back(std::make_pair(*it, &m_blockfile_info[*it])); + m_dirty_fileinfo.erase(it++); + } + std::vector<const CBlockIndex*> vBlocks; + vBlocks.reserve(m_dirty_blockindex.size()); + for (std::set<CBlockIndex*>::iterator it = m_dirty_blockindex.begin(); it != m_dirty_blockindex.end();) { + vBlocks.push_back(*it); + m_dirty_blockindex.erase(it++); + } + if (!m_block_tree_db->WriteBatchSync(vFiles, m_last_blockfile, vBlocks)) { + return false; + } + return true; } bool BlockManager::LoadBlockIndexDB(ChainstateManager& chainman) @@ -357,17 +365,17 @@ bool BlockManager::LoadBlockIndexDB(ChainstateManager& chainman) } // Load block file info - m_block_tree_db->ReadLastBlockFile(nLastBlockFile); - vinfoBlockFile.resize(nLastBlockFile + 1); - LogPrintf("%s: last block file = %i\n", __func__, nLastBlockFile); - for (int nFile = 0; nFile <= nLastBlockFile; nFile++) { - m_block_tree_db->ReadBlockFileInfo(nFile, vinfoBlockFile[nFile]); - } - LogPrintf("%s: last block file info: %s\n", __func__, vinfoBlockFile[nLastBlockFile].ToString()); - for (int nFile = nLastBlockFile + 1; true; nFile++) { + m_block_tree_db->ReadLastBlockFile(m_last_blockfile); + m_blockfile_info.resize(m_last_blockfile + 1); + LogPrintf("%s: last block file = %i\n", __func__, m_last_blockfile); + for (int nFile = 0; nFile <= m_last_blockfile; nFile++) { + m_block_tree_db->ReadBlockFileInfo(nFile, m_blockfile_info[nFile]); + } + LogPrintf("%s: last block file info: %s\n", __func__, m_blockfile_info[m_last_blockfile].ToString()); + for (int nFile = m_last_blockfile + 1; true; nFile++) { CBlockFileInfo info; if (m_block_tree_db->ReadBlockFileInfo(nFile, info)) { - vinfoBlockFile.push_back(info); + m_blockfile_info.push_back(info); } else { break; } @@ -425,7 +433,7 @@ bool IsBlockPruned(const CBlockIndex* pblockindex) // If we're using -prune with -reindex, then delete block files that will be ignored by the // reindex. Since reindexing works by starting at block file 0 and looping until a blockfile // is missing, do the same here to delete any later block files after a gap. Also delete all -// rev files since they'll be rewritten by the reindex anyway. This ensures that vinfoBlockFile +// rev files since they'll be rewritten by the reindex anyway. This ensures that m_blockfile_info // is in sync with what's actually on disk by the time we start downloading, so that pruning // works correctly. void CleanupBlockRevFiles() @@ -470,11 +478,11 @@ std::string CBlockFileInfo::ToString() const return strprintf("CBlockFileInfo(blocks=%u, size=%u, heights=%u...%u, time=%s...%s)", nBlocks, nSize, nHeightFirst, nHeightLast, FormatISO8601Date(nTimeFirst), FormatISO8601Date(nTimeLast)); } -CBlockFileInfo* GetBlockFileInfo(size_t n) +CBlockFileInfo* BlockManager::GetBlockFileInfo(size_t n) { LOCK(cs_LastBlockFile); - return &vinfoBlockFile.at(n); + return &m_blockfile_info.at(n); } static bool UndoWriteToDisk(const CBlockUndo& blockundo, FlatFilePos& pos, const uint256& hashBlock, const CMessageHeader::MessageStartChars& messageStart) @@ -538,32 +546,32 @@ bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex* pindex) return true; } -static void FlushUndoFile(int block_file, bool finalize = false) +void BlockManager::FlushUndoFile(int block_file, bool finalize) { - FlatFilePos undo_pos_old(block_file, vinfoBlockFile[block_file].nUndoSize); + FlatFilePos undo_pos_old(block_file, m_blockfile_info[block_file].nUndoSize); if (!UndoFileSeq().Flush(undo_pos_old, finalize)) { AbortNode("Flushing undo file to disk failed. This is likely the result of an I/O error."); } } -void FlushBlockFile(bool fFinalize = false, bool finalize_undo = false) +void BlockManager::FlushBlockFile(bool fFinalize, bool finalize_undo) { LOCK(cs_LastBlockFile); - FlatFilePos block_pos_old(nLastBlockFile, vinfoBlockFile[nLastBlockFile].nSize); + FlatFilePos block_pos_old(m_last_blockfile, m_blockfile_info[m_last_blockfile].nSize); if (!BlockFileSeq().Flush(block_pos_old, fFinalize)) { AbortNode("Flushing block file to disk failed. This is likely the result of an I/O error."); } // we do not always flush the undo file, as the chain tip may be lagging behind the incoming blocks, // e.g. during IBD or a sync after a node going offline - if (!fFinalize || finalize_undo) FlushUndoFile(nLastBlockFile, finalize_undo); + if (!fFinalize || finalize_undo) FlushUndoFile(m_last_blockfile, finalize_undo); } -uint64_t CalculateCurrentUsage() +uint64_t BlockManager::CalculateCurrentUsage() { LOCK(cs_LastBlockFile); uint64_t retval = 0; - for (const CBlockFileInfo& file : vinfoBlockFile) { + for (const CBlockFileInfo& file : m_blockfile_info) { retval += file.nSize + file.nUndoSize; } return retval; @@ -605,44 +613,44 @@ fs::path GetBlockPosFilename(const FlatFilePos& pos) return BlockFileSeq().FileName(pos); } -bool FindBlockPos(FlatFilePos& pos, unsigned int nAddSize, unsigned int nHeight, CChain& active_chain, uint64_t nTime, bool fKnown = false) +bool BlockManager::FindBlockPos(FlatFilePos& pos, unsigned int nAddSize, unsigned int nHeight, CChain& active_chain, uint64_t nTime, bool fKnown) { LOCK(cs_LastBlockFile); - unsigned int nFile = fKnown ? pos.nFile : nLastBlockFile; - if (vinfoBlockFile.size() <= nFile) { - vinfoBlockFile.resize(nFile + 1); + unsigned int nFile = fKnown ? pos.nFile : m_last_blockfile; + if (m_blockfile_info.size() <= nFile) { + m_blockfile_info.resize(nFile + 1); } bool finalize_undo = false; if (!fKnown) { - while (vinfoBlockFile[nFile].nSize + nAddSize >= (gArgs.GetBoolArg("-fastprune", false) ? 0x10000 /* 64kb */ : MAX_BLOCKFILE_SIZE)) { + while (m_blockfile_info[nFile].nSize + nAddSize >= (gArgs.GetBoolArg("-fastprune", false) ? 0x10000 /* 64kb */ : MAX_BLOCKFILE_SIZE)) { // when the undo file is keeping up with the block file, we want to flush it explicitly // when it is lagging behind (more blocks arrive than are being connected), we let the // undo block write case handle it - finalize_undo = (vinfoBlockFile[nFile].nHeightLast == (unsigned int)active_chain.Tip()->nHeight); + finalize_undo = (m_blockfile_info[nFile].nHeightLast == (unsigned int)active_chain.Tip()->nHeight); nFile++; - if (vinfoBlockFile.size() <= nFile) { - vinfoBlockFile.resize(nFile + 1); + if (m_blockfile_info.size() <= nFile) { + m_blockfile_info.resize(nFile + 1); } } pos.nFile = nFile; - pos.nPos = vinfoBlockFile[nFile].nSize; + pos.nPos = m_blockfile_info[nFile].nSize; } - if ((int)nFile != nLastBlockFile) { + if ((int)nFile != m_last_blockfile) { if (!fKnown) { - LogPrint(BCLog::BLOCKSTORE, "Leaving block file %i: %s\n", nLastBlockFile, vinfoBlockFile[nLastBlockFile].ToString()); + LogPrint(BCLog::BLOCKSTORE, "Leaving block file %i: %s\n", m_last_blockfile, m_blockfile_info[m_last_blockfile].ToString()); } FlushBlockFile(!fKnown, finalize_undo); - nLastBlockFile = nFile; + m_last_blockfile = nFile; } - vinfoBlockFile[nFile].AddBlock(nHeight, nTime); + m_blockfile_info[nFile].AddBlock(nHeight, nTime); if (fKnown) { - vinfoBlockFile[nFile].nSize = std::max(pos.nPos + nAddSize, vinfoBlockFile[nFile].nSize); + m_blockfile_info[nFile].nSize = std::max(pos.nPos + nAddSize, m_blockfile_info[nFile].nSize); } else { - vinfoBlockFile[nFile].nSize += nAddSize; + m_blockfile_info[nFile].nSize += nAddSize; } if (!fKnown) { @@ -652,23 +660,23 @@ bool FindBlockPos(FlatFilePos& pos, unsigned int nAddSize, unsigned int nHeight, return AbortNode("Disk space is too low!", _("Disk space is too low!")); } if (bytes_allocated != 0 && fPruneMode) { - fCheckForPruning = true; + m_check_for_pruning = true; } } - setDirtyFileInfo.insert(nFile); + m_dirty_fileinfo.insert(nFile); return true; } -static bool FindUndoPos(BlockValidationState& state, int nFile, FlatFilePos& pos, unsigned int nAddSize) +bool BlockManager::FindUndoPos(BlockValidationState& state, int nFile, FlatFilePos& pos, unsigned int nAddSize) { pos.nFile = nFile; LOCK(cs_LastBlockFile); - pos.nPos = vinfoBlockFile[nFile].nUndoSize; - vinfoBlockFile[nFile].nUndoSize += nAddSize; - setDirtyFileInfo.insert(nFile); + pos.nPos = m_blockfile_info[nFile].nUndoSize; + m_blockfile_info[nFile].nUndoSize += nAddSize; + m_dirty_fileinfo.insert(nFile); bool out_of_space; size_t bytes_allocated = UndoFileSeq().Allocate(pos, nAddSize, out_of_space); @@ -676,7 +684,7 @@ static bool FindUndoPos(BlockValidationState& state, int nFile, FlatFilePos& pos return AbortNode(state, "Disk space is too low!", _("Disk space is too low!")); } if (bytes_allocated != 0 && fPruneMode) { - fCheckForPruning = true; + m_check_for_pruning = true; } return true; @@ -705,7 +713,7 @@ static bool WriteBlockToDisk(const CBlock& block, FlatFilePos& pos, const CMessa return true; } -bool WriteUndoDataForBlock(const CBlockUndo& blockundo, BlockValidationState& state, CBlockIndex* pindex, const CChainParams& chainparams) +bool BlockManager::WriteUndoDataForBlock(const CBlockUndo& blockundo, BlockValidationState& state, CBlockIndex* pindex, const CChainParams& chainparams) { // Write undo information to disk if (pindex->GetUndoPos().IsNull()) { @@ -721,14 +729,14 @@ bool WriteUndoDataForBlock(const CBlockUndo& blockundo, BlockValidationState& st // in the block file info as below; note that this does not catch the case where the undo writes are keeping up // with the block writes (usually when a synced up node is getting newly mined blocks) -- this case is caught in // the FindBlockPos function - if (_pos.nFile < nLastBlockFile && static_cast<uint32_t>(pindex->nHeight) == vinfoBlockFile[_pos.nFile].nHeightLast) { + if (_pos.nFile < m_last_blockfile && static_cast<uint32_t>(pindex->nHeight) == m_blockfile_info[_pos.nFile].nHeightLast) { FlushUndoFile(_pos.nFile, true); } // update nUndoPos in block index pindex->nUndoPos = _pos.nPos; pindex->nStatus |= BLOCK_HAVE_UNDO; - setDirtyBlockIndex.insert(pindex); + m_dirty_blockindex.insert(pindex); } return true; @@ -825,7 +833,7 @@ bool ReadRawBlockFromDisk(std::vector<uint8_t>& block, const CBlockIndex* pindex } /** Store block on disk. If dbp is non-nullptr, the file is known to already reside on disk */ -FlatFilePos SaveBlockToDisk(const CBlock& block, int nHeight, CChain& active_chain, const CChainParams& chainparams, const FlatFilePos* dbp) +FlatFilePos BlockManager::SaveBlockToDisk(const CBlock& block, int nHeight, CChain& active_chain, const CChainParams& chainparams, const FlatFilePos* dbp) { unsigned int nBlockSize = ::GetSerializeSize(block, CLIENT_VERSION); FlatFilePos blockPos; diff --git a/src/node/blockstorage.h b/src/node/blockstorage.h index a18203f48d..b0485e5a00 100644 --- a/src/node/blockstorage.h +++ b/src/node/blockstorage.h @@ -64,8 +64,14 @@ struct CBlockIndexWorkComparator { class BlockManager { friend CChainState; + friend ChainstateManager; private: + void FlushBlockFile(bool fFinalize = false, bool finalize_undo = false); + void FlushUndoFile(int block_file, bool finalize = false); + bool FindBlockPos(FlatFilePos& pos, unsigned int nAddSize, unsigned int nHeight, CChain& active_chain, uint64_t nTime, bool fKnown); + bool FindUndoPos(BlockValidationState& state, int nFile, FlatFilePos& pos, unsigned int nAddSize); + /* Calculate the block/rev files to delete based on height specified by user with RPC command pruneblockchain */ void FindFilesToPruneManual(std::set<int>& setFilesToPrune, int nManualPruneHeight, int chain_tip_height); @@ -75,9 +81,9 @@ private: * space is allocated in a block or undo file, staying below the target. Changing back to unpruned requires a reindex * (which in this case means the blockchain must be re-downloaded.) * - * Pruning functions are called from FlushStateToDisk when the global fCheckForPruning flag has been set. + * Pruning functions are called from FlushStateToDisk when the m_check_for_pruning flag has been set. * Block and undo files are deleted in lock-step (when blk00003.dat is deleted, so is rev00003.dat.) - * Pruning cannot take place until the longest chain is at least a certain length (100000 on mainnet, 1000 on testnet, 1000 on regtest). + * Pruning cannot take place until the longest chain is at least a certain length (CChainParams::nPruneAfterHeight). * Pruning will never delete a block within a defined distance (currently 288) from the active chain's tip. * The block index is updated by unsetting HAVE_DATA and HAVE_UNDO for any blocks that were stored in the deleted files. * A db flag records the fact that at least some block files have been pruned. @@ -86,6 +92,21 @@ private: */ void FindFilesToPrune(std::set<int>& setFilesToPrune, uint64_t nPruneAfterHeight, int chain_tip_height, int prune_height, bool is_ibd); + RecursiveMutex cs_LastBlockFile; + std::vector<CBlockFileInfo> m_blockfile_info; + int m_last_blockfile = 0; + /** Global flag to indicate we should check to see if there are + * block/undo files that should be deleted. Set on startup + * or if we allocate more file space when we're in prune mode + */ + bool m_check_for_pruning = false; + + /** Dirty block index entries. */ + std::set<CBlockIndex*> m_dirty_blockindex; + + /** Dirty block file entries. */ + std::set<int> m_dirty_fileinfo; + public: BlockMap m_block_index GUARDED_BY(cs_main); @@ -97,12 +118,13 @@ public: std::unique_ptr<CBlockTreeDB> m_block_tree_db GUARDED_BY(::cs_main); + bool WriteBlockIndexDB() EXCLUSIVE_LOCKS_REQUIRED(::cs_main); bool LoadBlockIndexDB(ChainstateManager& chainman) EXCLUSIVE_LOCKS_REQUIRED(::cs_main); /** * Load the blocktree off disk and into memory. Populate certain metadata * per index entry (nStatus, nChainWork, nTimeMax, etc.) as well as peripheral - * collections like setDirtyBlockIndex. + * collections like m_dirty_blockindex. */ bool LoadBlockIndex( const Consensus::Params& consensus_params, @@ -120,6 +142,16 @@ public: CBlockIndex* LookupBlockIndex(const uint256& hash) const EXCLUSIVE_LOCKS_REQUIRED(cs_main); + /** Get block file info entry for one block file */ + CBlockFileInfo* GetBlockFileInfo(size_t n); + + bool WriteUndoDataForBlock(const CBlockUndo& blockundo, BlockValidationState& state, CBlockIndex* pindex, const CChainParams& chainparams); + + FlatFilePos SaveBlockToDisk(const CBlock& block, int nHeight, CChain& active_chain, const CChainParams& chainparams, const FlatFilePos* dbp); + + /** Calculate the amount of disk space the block & undo files currently use */ + uint64_t CalculateCurrentUsage(); + //! Returns last CBlockIndex* that is a checkpoint CBlockIndex* GetLastCheckpoint(const CCheckpointData& data) EXCLUSIVE_LOCKS_REQUIRED(cs_main); @@ -139,12 +171,6 @@ FILE* OpenBlockFile(const FlatFilePos& pos, bool fReadOnly = false); /** Translation to a filesystem path */ fs::path GetBlockPosFilename(const FlatFilePos& pos); -/** Get block file info entry for one block file */ -CBlockFileInfo* GetBlockFileInfo(size_t n); - -/** Calculate the amount of disk space the block & undo files currently use */ -uint64_t CalculateCurrentUsage(); - /** * Actually unlink the specified files */ @@ -157,9 +183,6 @@ bool ReadRawBlockFromDisk(std::vector<uint8_t>& block, const FlatFilePos& pos, c bool ReadRawBlockFromDisk(std::vector<uint8_t>& block, const CBlockIndex* pindex, const CMessageHeader::MessageStartChars& message_start); bool UndoReadFromDisk(CBlockUndo& blockundo, const CBlockIndex* pindex); -bool WriteUndoDataForBlock(const CBlockUndo& blockundo, BlockValidationState& state, CBlockIndex* pindex, const CChainParams& chainparams); - -FlatFilePos SaveBlockToDisk(const CBlock& block, int nHeight, CChain& active_chain, const CChainParams& chainparams, const FlatFilePos* dbp); void ThreadImport(ChainstateManager& chainman, std::vector<fs::path> vImportFiles, const ArgsManager& args); |