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//
// MySQLException.cpp
//
// $Id: //poco/1.3/Data/MySQL/src/SessionImpl.cpp#4 $
//
// Library: Data/MySQL
// Package: MySQL
// Module: SessionImpl
//
// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "Poco/Data/MySQL/SessionImpl.h"
#include "Poco/Data/MySQL/MySQLStatementImpl.h"
#include "Poco/NumberParser.h"
namespace
{
std::string copyStripped(std::string::const_iterator from, std::string::const_iterator to)
{
// skip leading spaces
while ((from != to) && isspace(*from)) from++;
// skip trailing spaces
while ((from != to) && isspace(*(to - 1))) to--;
return std::string(from, to);
}
}
namespace Poco {
namespace Data {
namespace MySQL {
SessionImpl::SessionImpl(const std::string& connectionString) : _mysql(0), _connected(false), _inTransaction(0)
{
addProperty("insertId",
&SessionImpl::setInsertId,
&SessionImpl::getInsertId);
std::map<std::string, std::string> options;
// Default values
options["host"] = "localhost";
options["port"] = "3306";
options["user"] = "";
options["password"] = "";
options["db"] = "";
options["compress"] = "";
options["auto-reconnect"] = "";
//
// Parse string
//
for (std::string::const_iterator start = connectionString.begin();;)
{
// find next ';'
std::string::const_iterator finish = std::find(start, connectionString.end(), ';');
// find '='
std::string::const_iterator middle = std::find(start, finish, '=');
if (middle == finish)
{
throw MySQLException("create session: bad connection string format, can not find '='");
}
// Parse name and value, skip all spaces
options[copyStripped(start, middle)] = copyStripped(middle + 1, finish);
if (finish == connectionString.end())
{
// end of parse
break;
}
// move start position after ';'
start = finish + 1;
}
//
// Checking
//
if (options["user"] == "")
{
throw MySQLException("create session: specify user name");
}
if (options["db"] == "")
{
throw MySQLException("create session: specify database");
}
unsigned int port = 0;
if (!NumberParser::tryParseUnsigned(options["port"], port) || 0 == port || port > 65535)
{
throw MySQLException("create session: specify correct port (numeric in decimal notation)");
}
//
// Options
//
if (options["compress"] == "true")
{
_mysql.options(MYSQL_OPT_COMPRESS);
}
else if (options["compress"] == "false")
{
// do nothing
}
else if (options["compress"] != "")
{
throw MySQLException("create session: specify correct compress option (true or false) or skip it");
}
if (options["auto-reconnect"] == "true")
{
_mysql.options(MYSQL_OPT_RECONNECT, true);
}
else if (options["auto-reconnect"] == "false")
{
_mysql.options(MYSQL_OPT_RECONNECT, false);
}
else if (options["auto-reconnect"] != "")
{
throw MySQLException("create session: specify correct auto-reconnect option (true or false) or skip it");
}
//
// Real connect
//
_mysql.connect(
options["host"].c_str(),
options["user"].c_str(),
options["password"].c_str(),
options["db"].c_str(),
port);
_connected = true;
}
SessionImpl::~SessionImpl()
{
close();
}
Poco::Data::StatementImpl* SessionImpl::createStatementImpl()
{
return new MySQLStatementImpl(_mysql);
}
void SessionImpl::begin()
{
_mysql.query("START TRANSACTION");
_inTransaction++;
}
void SessionImpl::commit()
{
_mysql.query("COMMIT");
_inTransaction--;
// ?
// mysql_commit(fMysql);
}
void SessionImpl::rollback()
{
_mysql.query("ROLLBACK");
_inTransaction--;
// ?
// mysql_commit(fMysql);
}
void SessionImpl::close()
{
if (_connected)
{
_mysql.close();
_connected = false;
}
}
bool SessionImpl::isConnected()
{
return _connected;
}
bool SessionImpl::isTransaction()
{
return (_inTransaction > 0);
}
} } } // namespace Poco::Data::MySQL
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