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-rw-r--r--src/validation.cpp163
1 files changed, 84 insertions, 79 deletions
diff --git a/src/validation.cpp b/src/validation.cpp
index 405ff356f5..0266a63ccf 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1863,95 +1863,100 @@ static bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockInd
*/
bool static FlushStateToDisk(const CChainParams& chainparams, CValidationState &state, FlushStateMode mode, int nManualPruneHeight) {
int64_t nMempoolUsage = mempool.DynamicMemoryUsage();
- LOCK2(cs_main, cs_LastBlockFile);
+ LOCK(cs_main);
static int64_t nLastWrite = 0;
static int64_t nLastFlush = 0;
static int64_t nLastSetChain = 0;
std::set<int> setFilesToPrune;
bool fFlushForPrune = false;
+ bool fDoFullFlush = false;
+ int64_t nNow = 0;
try {
- if (fPruneMode && (fCheckForPruning || nManualPruneHeight > 0) && !fReindex) {
- if (nManualPruneHeight > 0) {
- FindFilesToPruneManual(setFilesToPrune, nManualPruneHeight);
- } else {
- FindFilesToPrune(setFilesToPrune, chainparams.PruneAfterHeight());
- fCheckForPruning = false;
- }
- if (!setFilesToPrune.empty()) {
- fFlushForPrune = true;
- if (!fHavePruned) {
- pblocktree->WriteFlag("prunedblockfiles", true);
- fHavePruned = true;
- }
- }
- }
- int64_t nNow = GetTimeMicros();
- // Avoid writing/flushing immediately after startup.
- if (nLastWrite == 0) {
- nLastWrite = nNow;
- }
- if (nLastFlush == 0) {
- nLastFlush = nNow;
- }
- if (nLastSetChain == 0) {
- nLastSetChain = nNow;
- }
- int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
- int64_t cacheSize = pcoinsTip->DynamicMemoryUsage();
- int64_t nTotalSpace = nCoinCacheUsage + std::max<int64_t>(nMempoolSizeMax - nMempoolUsage, 0);
- // The cache is large and we're within 10% and 10 MiB of the limit, but we have time now (not in the middle of a block processing).
- bool fCacheLarge = mode == FLUSH_STATE_PERIODIC && cacheSize > std::max((9 * nTotalSpace) / 10, nTotalSpace - MAX_BLOCK_COINSDB_USAGE * 1024 * 1024);
- // The cache is over the limit, we have to write now.
- bool fCacheCritical = mode == FLUSH_STATE_IF_NEEDED && cacheSize > nTotalSpace;
- // It's been a while since we wrote the block index to disk. Do this frequently, so we don't need to redownload after a crash.
- bool fPeriodicWrite = mode == FLUSH_STATE_PERIODIC && nNow > nLastWrite + (int64_t)DATABASE_WRITE_INTERVAL * 1000000;
- // It's been very long since we flushed the cache. Do this infrequently, to optimize cache usage.
- bool fPeriodicFlush = mode == FLUSH_STATE_PERIODIC && nNow > nLastFlush + (int64_t)DATABASE_FLUSH_INTERVAL * 1000000;
- // Combine all conditions that result in a full cache flush.
- bool fDoFullFlush = (mode == FLUSH_STATE_ALWAYS) || fCacheLarge || fCacheCritical || fPeriodicFlush || fFlushForPrune;
- // Write blocks and block index to disk.
- if (fDoFullFlush || fPeriodicWrite) {
- // Depend on nMinDiskSpace to ensure we can write block index
- if (!CheckDiskSpace(0))
- return state.Error("out of disk space");
- // First make sure all block and undo data is flushed to disk.
- FlushBlockFile();
- // Then update all block file information (which may refer to block and undo files).
- {
- std::vector<std::pair<int, const CBlockFileInfo*> > vFiles;
- vFiles.reserve(setDirtyFileInfo.size());
- for (std::set<int>::iterator it = setDirtyFileInfo.begin(); it != setDirtyFileInfo.end(); ) {
- vFiles.push_back(std::make_pair(*it, &vinfoBlockFile[*it]));
- setDirtyFileInfo.erase(it++);
+ {
+ LOCK(cs_LastBlockFile);
+ if (fPruneMode && (fCheckForPruning || nManualPruneHeight > 0) && !fReindex) {
+ if (nManualPruneHeight > 0) {
+ FindFilesToPruneManual(setFilesToPrune, nManualPruneHeight);
+ } else {
+ FindFilesToPrune(setFilesToPrune, chainparams.PruneAfterHeight());
+ fCheckForPruning = false;
}
- std::vector<const CBlockIndex*> vBlocks;
- vBlocks.reserve(setDirtyBlockIndex.size());
- for (std::set<CBlockIndex*>::iterator it = setDirtyBlockIndex.begin(); it != setDirtyBlockIndex.end(); ) {
- vBlocks.push_back(*it);
- setDirtyBlockIndex.erase(it++);
+ if (!setFilesToPrune.empty()) {
+ fFlushForPrune = true;
+ if (!fHavePruned) {
+ pblocktree->WriteFlag("prunedblockfiles", true);
+ fHavePruned = true;
+ }
}
- if (!pblocktree->WriteBatchSync(vFiles, nLastBlockFile, vBlocks)) {
- return AbortNode(state, "Failed to write to block index database");
+ }
+ nNow = GetTimeMicros();
+ // Avoid writing/flushing immediately after startup.
+ if (nLastWrite == 0) {
+ nLastWrite = nNow;
+ }
+ if (nLastFlush == 0) {
+ nLastFlush = nNow;
+ }
+ if (nLastSetChain == 0) {
+ nLastSetChain = nNow;
+ }
+ int64_t nMempoolSizeMax = GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000;
+ int64_t cacheSize = pcoinsTip->DynamicMemoryUsage();
+ int64_t nTotalSpace = nCoinCacheUsage + std::max<int64_t>(nMempoolSizeMax - nMempoolUsage, 0);
+ // The cache is large and we're within 10% and 10 MiB of the limit, but we have time now (not in the middle of a block processing).
+ bool fCacheLarge = mode == FLUSH_STATE_PERIODIC && cacheSize > std::max((9 * nTotalSpace) / 10, nTotalSpace - MAX_BLOCK_COINSDB_USAGE * 1024 * 1024);
+ // The cache is over the limit, we have to write now.
+ bool fCacheCritical = mode == FLUSH_STATE_IF_NEEDED && cacheSize > nTotalSpace;
+ // It's been a while since we wrote the block index to disk. Do this frequently, so we don't need to redownload after a crash.
+ bool fPeriodicWrite = mode == FLUSH_STATE_PERIODIC && nNow > nLastWrite + (int64_t)DATABASE_WRITE_INTERVAL * 1000000;
+ // It's been very long since we flushed the cache. Do this infrequently, to optimize cache usage.
+ bool fPeriodicFlush = mode == FLUSH_STATE_PERIODIC && nNow > nLastFlush + (int64_t)DATABASE_FLUSH_INTERVAL * 1000000;
+ // Combine all conditions that result in a full cache flush.
+ fDoFullFlush = (mode == FLUSH_STATE_ALWAYS) || fCacheLarge || fCacheCritical || fPeriodicFlush || fFlushForPrune;
+ // Write blocks and block index to disk.
+ if (fDoFullFlush || fPeriodicWrite) {
+ // Depend on nMinDiskSpace to ensure we can write block index
+ if (!CheckDiskSpace(0))
+ return state.Error("out of disk space");
+ // First make sure all block and undo data is flushed to disk.
+ FlushBlockFile();
+ // Then update all block file information (which may refer to block and undo files).
+ {
+ std::vector<std::pair<int, const CBlockFileInfo*> > vFiles;
+ vFiles.reserve(setDirtyFileInfo.size());
+ for (std::set<int>::iterator it = setDirtyFileInfo.begin(); it != setDirtyFileInfo.end(); ) {
+ vFiles.push_back(std::make_pair(*it, &vinfoBlockFile[*it]));
+ setDirtyFileInfo.erase(it++);
+ }
+ std::vector<const CBlockIndex*> vBlocks;
+ vBlocks.reserve(setDirtyBlockIndex.size());
+ for (std::set<CBlockIndex*>::iterator it = setDirtyBlockIndex.begin(); it != setDirtyBlockIndex.end(); ) {
+ vBlocks.push_back(*it);
+ setDirtyBlockIndex.erase(it++);
+ }
+ if (!pblocktree->WriteBatchSync(vFiles, nLastBlockFile, vBlocks)) {
+ return AbortNode(state, "Failed to write to block index database");
+ }
}
+ // Finally remove any pruned files
+ if (fFlushForPrune)
+ UnlinkPrunedFiles(setFilesToPrune);
+ nLastWrite = nNow;
+ }
+ // Flush best chain related state. This can only be done if the blocks / block index write was also done.
+ if (fDoFullFlush) {
+ // Typical Coin structures on disk are around 48 bytes in size.
+ // Pushing a new one to the database can cause it to be written
+ // twice (once in the log, and once in the tables). This is already
+ // an overestimation, as most will delete an existing entry or
+ // overwrite one. Still, use a conservative safety factor of 2.
+ if (!CheckDiskSpace(48 * 2 * 2 * pcoinsTip->GetCacheSize()))
+ return state.Error("out of disk space");
+ // Flush the chainstate (which may refer to block index entries).
+ if (!pcoinsTip->Flush())
+ return AbortNode(state, "Failed to write to coin database");
+ nLastFlush = nNow;
}
- // Finally remove any pruned files
- if (fFlushForPrune)
- UnlinkPrunedFiles(setFilesToPrune);
- nLastWrite = nNow;
- }
- // Flush best chain related state. This can only be done if the blocks / block index write was also done.
- if (fDoFullFlush) {
- // Typical Coin structures on disk are around 48 bytes in size.
- // Pushing a new one to the database can cause it to be written
- // twice (once in the log, and once in the tables). This is already
- // an overestimation, as most will delete an existing entry or
- // overwrite one. Still, use a conservative safety factor of 2.
- if (!CheckDiskSpace(48 * 2 * 2 * pcoinsTip->GetCacheSize()))
- return state.Error("out of disk space");
- // Flush the chainstate (which may refer to block index entries).
- if (!pcoinsTip->Flush())
- return AbortNode(state, "Failed to write to coin database");
- nLastFlush = nNow;
}
if (fDoFullFlush || ((mode == FLUSH_STATE_ALWAYS || mode == FLUSH_STATE_PERIODIC) && nNow > nLastSetChain + (int64_t)DATABASE_WRITE_INTERVAL * 1000000)) {
// Update best block in wallet (so we can detect restored wallets).