| 974 | } |
| 975 | |
| 976 | void ThreadFlushWalletDB(const string& strFile) |
| 977 | { |
| 978 | // Make this thread recognisable as the wallet flushing thread |
| 979 | RenameThread("lux-wallet"); |
| 980 | |
| 981 | static bool fOneThread; |
| 982 | if (fOneThread) |
| 983 | return; |
| 984 | fOneThread = true; |
| 985 | if (!GetBoolArg("-flushwallet", true)) |
| 986 | return; |
| 987 | |
| 988 | unsigned int nLastSeen = CWalletDB::GetUpdateCounter(); |
| 989 | unsigned int nLastFlushed = CWalletDB::GetUpdateCounter(); |
| 990 | int64_t nLastWalletUpdate = GetTime(); |
| 991 | while (true) { |
| 992 | MilliSleep(500); |
| 993 | |
| 994 | if (nLastSeen != CWalletDB::GetUpdateCounter()) { |
| 995 | nLastSeen = CWalletDB::GetUpdateCounter(); |
| 996 | nLastWalletUpdate = GetTime(); |
| 997 | } |
| 998 | |
| 999 | if (nLastFlushed != CWalletDB::GetUpdateCounter() && GetTime() - nLastWalletUpdate >= 2) { |
| 1000 | TRY_LOCK(bitdb.cs_db, lockDb); |
| 1001 | if (lockDb) { |
| 1002 | // Don't do this if any databases are in use |
| 1003 | int nRefCount = 0; |
| 1004 | map<string, int>::iterator mi = bitdb.mapFileUseCount.begin(); |
| 1005 | while (mi != bitdb.mapFileUseCount.end()) { |
| 1006 | nRefCount += (*mi).second; |
| 1007 | mi++; |
| 1008 | } |
| 1009 | |
| 1010 | if (nRefCount == 0) { |
| 1011 | boost::this_thread::interruption_point(); |
| 1012 | map<string, int>::iterator mi = bitdb.mapFileUseCount.find(strFile); |
| 1013 | if (mi != bitdb.mapFileUseCount.end()) { |
| 1014 | LogPrint("db", "Flushing wallet.dat\n"); |
| 1015 | nLastFlushed = CWalletDB::GetUpdateCounter(); |
| 1016 | int64_t nStart = GetTimeMillis(); |
| 1017 | |
| 1018 | // Flush wallet.dat so it's self contained |
| 1019 | bitdb.CloseDb(strFile); |
| 1020 | bitdb.CheckpointLSN(strFile); |
| 1021 | |
| 1022 | //bitdb.mapFileUseCount.erase(mi++); I'll reference this: https://github.com/bitcoin/bitcoin/issues/7475 |
| 1023 | LogPrint("db", "Flushed wallet.dat %dms\n", GetTimeMillis() - nStart); |
| 1024 | } |
| 1025 | } |
| 1026 | } |
| 1027 | } |
| 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | bool BackupWallet(const CWallet& wallet, const string& strDest) |
| 1032 | { |
no test coverage detected