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SF [2643953] Improve Data::Session connection

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This commit is contained in:
Aleksandar Fabijanic
2009-02-27 03:14:53 +00:00
parent 9bef44cab6
commit 68a79674c1
50 changed files with 689 additions and 165 deletions
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66
Data/SQLite/src/SessionImpl.cpp
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@@ -38,7 +38,10 @@
#include "Poco/Data/SQLite/Utility.h"
#include "Poco/Data/SQLite/SQLiteStatementImpl.h"
#include "Poco/Data/SQLite/Connector.h"
#include "Poco/Data/SQLite/SQLiteException.h"
#include "Poco/Data/Session.h"
#include "Poco/ActiveMethod.h"
#include "Poco/ActiveResult.h"
#include "Poco/String.h"
#include "Poco/Exception.h"
#include "sqlite3.h"
@@ -55,8 +58,8 @@ const std::string SessionImpl::COMMIT_TRANSACTION("COMMIT");
const std::string SessionImpl::ABORT_TRANSACTION("ROLLBACK");
SessionImpl::SessionImpl(const std::string& fileName):
Poco::Data::AbstractSessionImpl<SessionImpl>(fileName),
SessionImpl::SessionImpl(const std::string& fileName, std::size_t timeout):
Poco::Data::AbstractSessionImpl<SessionImpl>(fileName, timeout),
_connector(toLower(Connector::KEY)),
_pDB(0),
_connected(false),
@@ -133,14 +136,61 @@ bool SessionImpl::isTransactionIsolation(Poco::UInt32 ti)
}
void SessionImpl::open()
class ActiveConnector
{
int rc = sqlite3_open(connectionString().c_str(), &_pDB);
if (rc != 0)
public:
ActiveConnector(const std::string& connectString, sqlite3** ppDB):
connect(this, &ActiveConnector::connectImpl),
_connectString(connectString),
_ppDB(ppDB)
{
close();
Utility::throwException(rc);
poco_check_ptr(_ppDB);
}
ActiveMethod<int, void, ActiveConnector> connect;
private:
ActiveConnector();
inline int connectImpl()
{
return sqlite3_open(_connectString.c_str(), _ppDB);
}
std::string _connectString;
sqlite3** _ppDB;
};
void SessionImpl::open(const std::string& connect)
{
if (connect != connectionString())
{
if (isConnected())
throw InvalidAccessException("Session already connected");
if (!connect.empty())
setConnectionString(connect);
}
poco_assert_dbg (!connectionString().empty());
try
{
ActiveConnector connector(connectionString(), &_pDB);
ActiveResult<int> result = connector.connect();
if (!result.tryWait(getTimeout() * 1000))
throw ConnectionFailedException("Timed out.");
int rc = result.data();
if (rc != 0)
{
close();
Utility::throwException(rc);
}
} catch (SQLiteException& ex)
{
throw ConnectionFailedException(ex.displayText());
}
_connected = true;