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-rw-r--r--src/wallet/db.cpp209
1 files changed, 133 insertions, 76 deletions
diff --git a/src/wallet/db.cpp b/src/wallet/db.cpp
index 0801bd7300..c8928a3b66 100644
--- a/src/wallet/db.cpp
+++ b/src/wallet/db.cpp
@@ -6,6 +6,7 @@
#include "db.h"
#include "addrman.h"
+#include "fs.h"
#include "hash.h"
#include "protocol.h"
#include "util.h"
@@ -17,10 +18,8 @@
#include <sys/stat.h>
#endif
-#include <boost/filesystem.hpp>
#include <boost/foreach.hpp>
#include <boost/thread.hpp>
-#include <boost/version.hpp>
//
// CDB
@@ -66,7 +65,7 @@ void CDBEnv::Close()
EnvShutdown();
}
-bool CDBEnv::Open(const boost::filesystem::path& pathIn)
+bool CDBEnv::Open(const fs::path& pathIn)
{
if (fDbEnvInit)
return true;
@@ -74,9 +73,9 @@ bool CDBEnv::Open(const boost::filesystem::path& pathIn)
boost::this_thread::interruption_point();
strPath = pathIn.string();
- boost::filesystem::path pathLogDir = pathIn / "database";
- TryCreateDirectory(pathLogDir);
- boost::filesystem::path pathErrorFile = pathIn / "db.log";
+ fs::path pathLogDir = pathIn / "database";
+ TryCreateDirectories(pathLogDir);
+ fs::path pathErrorFile = pathIn / "db.log";
LogPrintf("CDBEnv::Open: LogDir=%s ErrorFile=%s\n", pathLogDir.string(), pathErrorFile.string());
unsigned int nEnvFlags = 0;
@@ -89,7 +88,7 @@ bool CDBEnv::Open(const boost::filesystem::path& pathIn)
dbenv->set_lg_max(1048576);
dbenv->set_lk_max_locks(40000);
dbenv->set_lk_max_objects(40000);
- dbenv->set_errfile(fopen(pathErrorFile.string().c_str(), "a")); /// debug
+ dbenv->set_errfile(fsbridge::fopen(pathErrorFile, "a")); /// debug
dbenv->set_flags(DB_AUTO_COMMIT, 1);
dbenv->set_flags(DB_TXN_WRITE_NOSYNC, 1);
dbenv->log_set_config(DB_LOG_AUTO_REMOVE, 1);
@@ -118,7 +117,7 @@ void CDBEnv::MakeMock()
boost::this_thread::interruption_point();
- LogPrint("db", "CDBEnv::MakeMock\n");
+ LogPrint(BCLog::DB, "CDBEnv::MakeMock\n");
dbenv->set_cachesize(1, 0, 1);
dbenv->set_lg_bsize(10485760 * 4);
@@ -143,7 +142,7 @@ void CDBEnv::MakeMock()
fMockDb = true;
}
-CDBEnv::VerifyResult CDBEnv::Verify(const std::string& strFile, bool (*recoverFunc)(const std::string& strFile))
+CDBEnv::VerifyResult CDBEnv::Verify(const std::string& strFile, recoverFunc_type recoverFunc, std::string& out_backup_filename)
{
LOCK(cs_db);
assert(mapFileUseCount.count(strFile) == 0);
@@ -156,21 +155,21 @@ CDBEnv::VerifyResult CDBEnv::Verify(const std::string& strFile, bool (*recoverFu
return RECOVER_FAIL;
// Try to recover:
- bool fRecovered = (*recoverFunc)(strFile);
+ bool fRecovered = (*recoverFunc)(strFile, out_backup_filename);
return (fRecovered ? RECOVER_OK : RECOVER_FAIL);
}
-bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue))
+bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*recoverKVcallback)(void* callbackData, CDataStream ssKey, CDataStream ssValue), std::string& newFilename)
{
// Recovery procedure:
- // move wallet file to wallet.timestamp.bak
+ // move wallet file to walletfilename.timestamp.bak
// Call Salvage with fAggressive=true to
// get as much data as possible.
// Rewrite salvaged data to fresh wallet file
// Set -rescan so any missing transactions will be
// found.
int64_t now = GetTime();
- std::string newFilename = strprintf("wallet.%d.bak", now);
+ newFilename = strprintf("%s.%d.bak", filename, now);
int result = bitdb.dbenv->dbrename(NULL, filename.c_str(), NULL,
newFilename.c_str(), DB_AUTO_COMMIT);
@@ -205,13 +204,12 @@ bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*reco
}
DbTxn* ptxn = bitdb.TxnBegin();
- BOOST_FOREACH(CDBEnv::KeyValPair& row, salvagedData)
+ for (CDBEnv::KeyValPair& row : salvagedData)
{
if (recoverKVcallback)
{
CDataStream ssKey(row.first, SER_DISK, CLIENT_VERSION);
CDataStream ssValue(row.second, SER_DISK, CLIENT_VERSION);
- std::string strType, strErr;
if (!(*recoverKVcallback)(callbackDataIn, ssKey, ssValue))
continue;
}
@@ -227,13 +225,13 @@ bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*reco
return fSuccess;
}
-bool CDB::VerifyEnvironment(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& errorStr)
+bool CDB::VerifyEnvironment(const std::string& walletFile, const fs::path& dataDir, std::string& errorStr)
{
LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0));
LogPrintf("Using wallet %s\n", walletFile);
// Wallet file must be a plain filename without a directory
- if (walletFile != boost::filesystem::basename(walletFile) + boost::filesystem::extension(walletFile))
+ if (walletFile != fs::basename(walletFile) + fs::extension(walletFile))
{
errorStr = strprintf(_("Wallet %s resides outside data directory %s"), walletFile, dataDir.string());
return false;
@@ -242,12 +240,12 @@ bool CDB::VerifyEnvironment(const std::string& walletFile, const boost::filesyst
if (!bitdb.Open(dataDir))
{
// try moving the database env out of the way
- boost::filesystem::path pathDatabase = dataDir / "database";
- boost::filesystem::path pathDatabaseBak = dataDir / strprintf("database.%d.bak", GetTime());
+ fs::path pathDatabase = dataDir / "database";
+ fs::path pathDatabaseBak = dataDir / strprintf("database.%d.bak", GetTime());
try {
- boost::filesystem::rename(pathDatabase, pathDatabaseBak);
+ fs::rename(pathDatabase, pathDatabaseBak);
LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string(), pathDatabaseBak.string());
- } catch (const boost::filesystem::filesystem_error&) {
+ } catch (const fs::filesystem_error&) {
// failure is ok (well, not really, but it's not worse than what we started with)
}
@@ -261,18 +259,19 @@ bool CDB::VerifyEnvironment(const std::string& walletFile, const boost::filesyst
return true;
}
-bool CDB::VerifyDatabaseFile(const std::string& walletFile, const boost::filesystem::path& dataDir, std::string& warningStr, std::string& errorStr, bool (*recoverFunc)(const std::string& strFile))
+bool CDB::VerifyDatabaseFile(const std::string& walletFile, const fs::path& dataDir, std::string& warningStr, std::string& errorStr, CDBEnv::recoverFunc_type recoverFunc)
{
- if (boost::filesystem::exists(dataDir / walletFile))
+ if (fs::exists(dataDir / walletFile))
{
- CDBEnv::VerifyResult r = bitdb.Verify(walletFile, recoverFunc);
+ std::string backup_filename;
+ CDBEnv::VerifyResult r = bitdb.Verify(walletFile, recoverFunc, backup_filename);
if (r == CDBEnv::RECOVER_OK)
{
warningStr = strprintf(_("Warning: Wallet file corrupt, data salvaged!"
" Original %s saved as %s in %s; if"
" your balance or transactions are incorrect you should"
" restore from a backup."),
- walletFile, "wallet.{timestamp}.bak", dataDir);
+ walletFile, backup_filename, dataDir);
}
if (r == CDBEnv::RECOVER_FAIL)
{
@@ -359,13 +358,15 @@ void CDBEnv::CheckpointLSN(const std::string& strFile)
}
-CDB::CDB(const std::string& strFilename, const char* pszMode, bool fFlushOnCloseIn) : pdb(NULL), activeTxn(NULL)
+CDB::CDB(CWalletDBWrapper& dbw, const char* pszMode, bool fFlushOnCloseIn) : pdb(NULL), activeTxn(NULL)
{
- int ret;
fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w'));
fFlushOnClose = fFlushOnCloseIn;
- if (strFilename.empty())
+ env = dbw.env;
+ if (dbw.IsDummy()) {
return;
+ }
+ const std::string &strFilename = dbw.strFile;
bool fCreate = strchr(pszMode, 'c') != NULL;
unsigned int nFlags = DB_THREAD;
@@ -373,17 +374,18 @@ CDB::CDB(const std::string& strFilename, const char* pszMode, bool fFlushOnClose
nFlags |= DB_CREATE;
{
- LOCK(bitdb.cs_db);
- if (!bitdb.Open(GetDataDir()))
+ LOCK(env->cs_db);
+ if (!env->Open(GetDataDir()))
throw std::runtime_error("CDB: Failed to open database environment.");
strFile = strFilename;
- ++bitdb.mapFileUseCount[strFile];
- pdb = bitdb.mapDb[strFile];
+ ++env->mapFileUseCount[strFile];
+ pdb = env->mapDb[strFile];
if (pdb == NULL) {
- pdb = new Db(bitdb.dbenv, 0);
+ int ret;
+ pdb = new Db(env->dbenv, 0);
- bool fMockDb = bitdb.IsMock();
+ bool fMockDb = env->IsMock();
if (fMockDb) {
DbMpoolFile* mpf = pdb->get_mpf();
ret = mpf->set_flags(DB_MPOOL_NOFILE, 1);
@@ -401,7 +403,7 @@ CDB::CDB(const std::string& strFilename, const char* pszMode, bool fFlushOnClose
if (ret != 0) {
delete pdb;
pdb = NULL;
- --bitdb.mapFileUseCount[strFile];
+ --env->mapFileUseCount[strFile];
strFile = "";
throw std::runtime_error(strprintf("CDB: Error %d, can't open database %s", ret, strFilename));
}
@@ -413,7 +415,7 @@ CDB::CDB(const std::string& strFilename, const char* pszMode, bool fFlushOnClose
fReadOnly = fTmp;
}
- bitdb.mapDb[strFile] = pdb;
+ env->mapDb[strFile] = pdb;
}
}
}
@@ -428,7 +430,12 @@ void CDB::Flush()
if (fReadOnly)
nMinutes = 1;
- bitdb.dbenv->txn_checkpoint(nMinutes ? GetArg("-dblogsize", DEFAULT_WALLET_DBLOGSIZE) * 1024 : 0, nMinutes, 0);
+ env->dbenv->txn_checkpoint(nMinutes ? GetArg("-dblogsize", DEFAULT_WALLET_DBLOGSIZE) * 1024 : 0, nMinutes, 0);
+}
+
+void CWalletDBWrapper::IncrementUpdateCounter()
+{
+ ++nUpdateCounter;
}
void CDB::Close()
@@ -444,8 +451,8 @@ void CDB::Close()
Flush();
{
- LOCK(bitdb.cs_db);
- --bitdb.mapFileUseCount[strFile];
+ LOCK(env->cs_db);
+ --env->mapFileUseCount[strFile];
}
}
@@ -463,32 +470,28 @@ void CDBEnv::CloseDb(const std::string& strFile)
}
}
-bool CDBEnv::RemoveDb(const std::string& strFile)
-{
- this->CloseDb(strFile);
-
- LOCK(cs_db);
- int rc = dbenv->dbremove(NULL, strFile.c_str(), NULL, DB_AUTO_COMMIT);
- return (rc == 0);
-}
-
-bool CDB::Rewrite(const std::string& strFile, const char* pszSkip)
+bool CDB::Rewrite(CWalletDBWrapper& dbw, const char* pszSkip)
{
+ if (dbw.IsDummy()) {
+ return true;
+ }
+ CDBEnv *env = dbw.env;
+ const std::string& strFile = dbw.strFile;
while (true) {
{
- LOCK(bitdb.cs_db);
- if (!bitdb.mapFileUseCount.count(strFile) || bitdb.mapFileUseCount[strFile] == 0) {
+ LOCK(env->cs_db);
+ if (!env->mapFileUseCount.count(strFile) || env->mapFileUseCount[strFile] == 0) {
// Flush log data to the dat file
- bitdb.CloseDb(strFile);
- bitdb.CheckpointLSN(strFile);
- bitdb.mapFileUseCount.erase(strFile);
+ env->CloseDb(strFile);
+ env->CheckpointLSN(strFile);
+ env->mapFileUseCount.erase(strFile);
bool fSuccess = true;
LogPrintf("CDB::Rewrite: Rewriting %s...\n", strFile);
std::string strFileRes = strFile + ".rewrite";
{ // surround usage of db with extra {}
- CDB db(strFile.c_str(), "r");
- Db* pdbCopy = new Db(bitdb.dbenv, 0);
+ CDB db(dbw, "r");
+ Db* pdbCopy = new Db(env->dbenv, 0);
int ret = pdbCopy->open(NULL, // Txn pointer
strFileRes.c_str(), // Filename
@@ -531,17 +534,17 @@ bool CDB::Rewrite(const std::string& strFile, const char* pszSkip)
}
if (fSuccess) {
db.Close();
- bitdb.CloseDb(strFile);
+ env->CloseDb(strFile);
if (pdbCopy->close(0))
fSuccess = false;
delete pdbCopy;
}
}
if (fSuccess) {
- Db dbA(bitdb.dbenv, 0);
+ Db dbA(env->dbenv, 0);
if (dbA.remove(strFile.c_str(), NULL, 0))
fSuccess = false;
- Db dbB(bitdb.dbenv, 0);
+ Db dbB(env->dbenv, 0);
if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0))
fSuccess = false;
}
@@ -560,7 +563,7 @@ void CDBEnv::Flush(bool fShutdown)
{
int64_t nStart = GetTimeMillis();
// Flush log data to the actual data file on all files that are not in use
- LogPrint("db", "CDBEnv::Flush: Flush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " database not started");
+ LogPrint(BCLog::DB, "CDBEnv::Flush: Flush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " database not started");
if (!fDbEnvInit)
return;
{
@@ -569,43 +572,48 @@ void CDBEnv::Flush(bool fShutdown)
while (mi != mapFileUseCount.end()) {
std::string strFile = (*mi).first;
int nRefCount = (*mi).second;
- LogPrint("db", "CDBEnv::Flush: Flushing %s (refcount = %d)...\n", strFile, nRefCount);
+ LogPrint(BCLog::DB, "CDBEnv::Flush: Flushing %s (refcount = %d)...\n", strFile, nRefCount);
if (nRefCount == 0) {
// Move log data to the dat file
CloseDb(strFile);
- LogPrint("db", "CDBEnv::Flush: %s checkpoint\n", strFile);
+ LogPrint(BCLog::DB, "CDBEnv::Flush: %s checkpoint\n", strFile);
dbenv->txn_checkpoint(0, 0, 0);
- LogPrint("db", "CDBEnv::Flush: %s detach\n", strFile);
+ LogPrint(BCLog::DB, "CDBEnv::Flush: %s detach\n", strFile);
if (!fMockDb)
dbenv->lsn_reset(strFile.c_str(), 0);
- LogPrint("db", "CDBEnv::Flush: %s closed\n", strFile);
+ LogPrint(BCLog::DB, "CDBEnv::Flush: %s closed\n", strFile);
mapFileUseCount.erase(mi++);
} else
mi++;
}
- LogPrint("db", "CDBEnv::Flush: Flush(%s)%s took %15dms\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " database not started", GetTimeMillis() - nStart);
+ LogPrint(BCLog::DB, "CDBEnv::Flush: Flush(%s)%s took %15dms\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " database not started", GetTimeMillis() - nStart);
if (fShutdown) {
char** listp;
if (mapFileUseCount.empty()) {
dbenv->log_archive(&listp, DB_ARCH_REMOVE);
Close();
if (!fMockDb)
- boost::filesystem::remove_all(boost::filesystem::path(strPath) / "database");
+ fs::remove_all(fs::path(strPath) / "database");
}
}
}
}
-bool CDB::PeriodicFlush(std::string strFile)
+bool CDB::PeriodicFlush(CWalletDBWrapper& dbw)
{
+ if (dbw.IsDummy()) {
+ return true;
+ }
bool ret = false;
+ CDBEnv *env = dbw.env;
+ const std::string& strFile = dbw.strFile;
TRY_LOCK(bitdb.cs_db,lockDb);
if (lockDb)
{
// Don't do this if any databases are in use
int nRefCount = 0;
- std::map<std::string, int>::iterator mit = bitdb.mapFileUseCount.begin();
- while (mit != bitdb.mapFileUseCount.end())
+ std::map<std::string, int>::iterator mit = env->mapFileUseCount.begin();
+ while (mit != env->mapFileUseCount.end())
{
nRefCount += (*mit).second;
mit++;
@@ -614,18 +622,18 @@ bool CDB::PeriodicFlush(std::string strFile)
if (nRefCount == 0)
{
boost::this_thread::interruption_point();
- std::map<std::string, int>::iterator mi = bitdb.mapFileUseCount.find(strFile);
- if (mi != bitdb.mapFileUseCount.end())
+ std::map<std::string, int>::iterator mi = env->mapFileUseCount.find(strFile);
+ if (mi != env->mapFileUseCount.end())
{
- LogPrint("db", "Flushing %s\n", strFile);
+ LogPrint(BCLog::DB, "Flushing %s\n", strFile);
int64_t nStart = GetTimeMillis();
// Flush wallet file so it's self contained
- bitdb.CloseDb(strFile);
- bitdb.CheckpointLSN(strFile);
+ env->CloseDb(strFile);
+ env->CheckpointLSN(strFile);
- bitdb.mapFileUseCount.erase(mi++);
- LogPrint("db", "Flushed %s %dms\n", strFile, GetTimeMillis() - nStart);
+ env->mapFileUseCount.erase(mi++);
+ LogPrint(BCLog::DB, "Flushed %s %dms\n", strFile, GetTimeMillis() - nStart);
ret = true;
}
}
@@ -633,3 +641,52 @@ bool CDB::PeriodicFlush(std::string strFile)
return ret;
}
+
+bool CWalletDBWrapper::Rewrite(const char* pszSkip)
+{
+ return CDB::Rewrite(*this, pszSkip);
+}
+
+bool CWalletDBWrapper::Backup(const std::string& strDest)
+{
+ if (IsDummy()) {
+ return false;
+ }
+ while (true)
+ {
+ {
+ LOCK(env->cs_db);
+ if (!env->mapFileUseCount.count(strFile) || env->mapFileUseCount[strFile] == 0)
+ {
+ // Flush log data to the dat file
+ env->CloseDb(strFile);
+ env->CheckpointLSN(strFile);
+ env->mapFileUseCount.erase(strFile);
+
+ // Copy wallet file
+ fs::path pathSrc = GetDataDir() / strFile;
+ fs::path pathDest(strDest);
+ if (fs::is_directory(pathDest))
+ pathDest /= strFile;
+
+ try {
+ fs::copy_file(pathSrc, pathDest, fs::copy_option::overwrite_if_exists);
+ LogPrintf("copied %s to %s\n", strFile, pathDest.string());
+ return true;
+ } catch (const fs::filesystem_error& e) {
+ LogPrintf("error copying %s to %s - %s\n", strFile, pathDest.string(), e.what());
+ return false;
+ }
+ }
+ }
+ MilliSleep(100);
+ }
+ return false;
+}
+
+void CWalletDBWrapper::Flush(bool shutdown)
+{
+ if (!IsDummy()) {
+ env->Flush(shutdown);
+ }
+}