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-rw-r--r--src/db.cpp77
1 files changed, 43 insertions, 34 deletions
diff --git a/src/db.cpp b/src/db.cpp
index 3246e4b67a..36946b7dcc 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -39,22 +39,31 @@ void CDBEnv::EnvShutdown()
return;
fDbEnvInit = false;
- int ret = dbenv.close(0);
+ int ret = dbenv->close(0);
if (ret != 0)
LogPrintf("CDBEnv::EnvShutdown: Error %d shutting down database environment: %s\n", ret, DbEnv::strerror(ret));
if (!fMockDb)
DbEnv(0).remove(path.string().c_str(), 0);
}
-CDBEnv::CDBEnv() : dbenv(DB_CXX_NO_EXCEPTIONS)
+void CDBEnv::Reset()
{
+ delete dbenv;
+ dbenv = new DbEnv(DB_CXX_NO_EXCEPTIONS);
fDbEnvInit = false;
fMockDb = false;
}
+CDBEnv::CDBEnv() : dbenv(NULL)
+{
+ Reset();
+}
+
CDBEnv::~CDBEnv()
{
EnvShutdown();
+ delete dbenv;
+ dbenv = NULL;
}
void CDBEnv::Close()
@@ -79,17 +88,17 @@ bool CDBEnv::Open(const boost::filesystem::path& pathIn)
if (GetBoolArg("-privdb", true))
nEnvFlags |= DB_PRIVATE;
- dbenv.set_lg_dir(pathLogDir.string().c_str());
- dbenv.set_cachesize(0, 0x100000, 1); // 1 MiB should be enough for just the wallet
- dbenv.set_lg_bsize(0x10000);
- 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_flags(DB_AUTO_COMMIT, 1);
- dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1);
- dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1);
- int ret = dbenv.open(path.string().c_str(),
+ dbenv->set_lg_dir(pathLogDir.string().c_str());
+ dbenv->set_cachesize(0, 0x100000, 1); // 1 MiB should be enough for just the wallet
+ dbenv->set_lg_bsize(0x10000);
+ 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_flags(DB_AUTO_COMMIT, 1);
+ dbenv->set_flags(DB_TXN_WRITE_NOSYNC, 1);
+ dbenv->log_set_config(DB_LOG_AUTO_REMOVE, 1);
+ int ret = dbenv->open(path.string().c_str(),
DB_CREATE |
DB_INIT_LOCK |
DB_INIT_LOG |
@@ -116,14 +125,14 @@ void CDBEnv::MakeMock()
LogPrint("db", "CDBEnv::MakeMock\n");
- dbenv.set_cachesize(1, 0, 1);
- dbenv.set_lg_bsize(10485760 * 4);
- dbenv.set_lg_max(10485760);
- dbenv.set_lk_max_locks(10000);
- dbenv.set_lk_max_objects(10000);
- dbenv.set_flags(DB_AUTO_COMMIT, 1);
- dbenv.log_set_config(DB_LOG_IN_MEMORY, 1);
- int ret = dbenv.open(NULL,
+ dbenv->set_cachesize(1, 0, 1);
+ dbenv->set_lg_bsize(10485760 * 4);
+ dbenv->set_lg_max(10485760);
+ dbenv->set_lk_max_locks(10000);
+ dbenv->set_lk_max_objects(10000);
+ dbenv->set_flags(DB_AUTO_COMMIT, 1);
+ dbenv->log_set_config(DB_LOG_IN_MEMORY, 1);
+ int ret = dbenv->open(NULL,
DB_CREATE |
DB_INIT_LOCK |
DB_INIT_LOG |
@@ -144,7 +153,7 @@ CDBEnv::VerifyResult CDBEnv::Verify(std::string strFile, bool (*recoverFunc)(CDB
LOCK(cs_db);
assert(mapFileUseCount.count(strFile) == 0);
- Db db(&dbenv, 0);
+ Db db(dbenv, 0);
int result = db.verify(strFile.c_str(), NULL, NULL, 0);
if (result == 0)
return VERIFY_OK;
@@ -167,7 +176,7 @@ bool CDBEnv::Salvage(std::string strFile, bool fAggressive, std::vector<CDBEnv::
stringstream strDump;
- Db db(&dbenv, 0);
+ Db db(dbenv, 0);
int result = db.verify(strFile.c_str(), NULL, &strDump, flags);
if (result == DB_VERIFY_BAD) {
LogPrintf("CDBEnv::Salvage: Database salvage found errors, all data may not be recoverable.\n");
@@ -208,10 +217,10 @@ bool CDBEnv::Salvage(std::string strFile, bool fAggressive, std::vector<CDBEnv::
void CDBEnv::CheckpointLSN(const std::string& strFile)
{
- dbenv.txn_checkpoint(0, 0, 0);
+ dbenv->txn_checkpoint(0, 0, 0);
if (fMockDb)
return;
- dbenv.lsn_reset(strFile.c_str(), 0);
+ dbenv->lsn_reset(strFile.c_str(), 0);
}
@@ -237,7 +246,7 @@ CDB::CDB(const std::string& strFilename, const char* pszMode, bool fFlushOnClose
++bitdb.mapFileUseCount[strFile];
pdb = bitdb.mapDb[strFile];
if (pdb == NULL) {
- pdb = new Db(&bitdb.dbenv, 0);
+ pdb = new Db(bitdb.dbenv, 0);
bool fMockDb = bitdb.IsMock();
if (fMockDb) {
@@ -284,7 +293,7 @@ void CDB::Flush()
if (fReadOnly)
nMinutes = 1;
- bitdb.dbenv.txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100) * 1024 : 0, nMinutes, 0);
+ bitdb.dbenv->txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100) * 1024 : 0, nMinutes, 0);
}
void CDB::Close()
@@ -324,7 +333,7 @@ bool CDBEnv::RemoveDb(const string& strFile)
this->CloseDb(strFile);
LOCK(cs_db);
- int rc = dbenv.dbremove(NULL, strFile.c_str(), NULL, DB_AUTO_COMMIT);
+ int rc = dbenv->dbremove(NULL, strFile.c_str(), NULL, DB_AUTO_COMMIT);
return (rc == 0);
}
@@ -344,7 +353,7 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
string strFileRes = strFile + ".rewrite";
{ // surround usage of db with extra {}
CDB db(strFile.c_str(), "r");
- Db* pdbCopy = new Db(&bitdb.dbenv, 0);
+ Db* pdbCopy = new Db(bitdb.dbenv, 0);
int ret = pdbCopy->open(NULL, // Txn pointer
strFileRes.c_str(), // Filename
@@ -394,10 +403,10 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip)
}
}
if (fSuccess) {
- Db dbA(&bitdb.dbenv, 0);
+ Db dbA(bitdb.dbenv, 0);
if (dbA.remove(strFile.c_str(), NULL, 0))
fSuccess = false;
- Db dbB(&bitdb.dbenv, 0);
+ Db dbB(bitdb.dbenv, 0);
if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0))
fSuccess = false;
}
@@ -430,10 +439,10 @@ void CDBEnv::Flush(bool fShutdown)
// Move log data to the dat file
CloseDb(strFile);
LogPrint("db", "CDBEnv::Flush: %s checkpoint\n", strFile);
- dbenv.txn_checkpoint(0, 0, 0);
+ dbenv->txn_checkpoint(0, 0, 0);
LogPrint("db", "CDBEnv::Flush: %s detach\n", strFile);
if (!fMockDb)
- dbenv.lsn_reset(strFile.c_str(), 0);
+ dbenv->lsn_reset(strFile.c_str(), 0);
LogPrint("db", "CDBEnv::Flush: %s closed\n", strFile);
mapFileUseCount.erase(mi++);
} else
@@ -443,7 +452,7 @@ void CDBEnv::Flush(bool fShutdown)
if (fShutdown) {
char** listp;
if (mapFileUseCount.empty()) {
- dbenv.log_archive(&listp, DB_ARCH_REMOVE);
+ dbenv->log_archive(&listp, DB_ARCH_REMOVE);
Close();
if (!fMockDb)
boost::filesystem::remove_all(path / "database");