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-/*
- * Copyright (c) 2004-2005 The Regents of The University of Michigan
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Authors: Nathan Binkert
- */
-
-#include <iostream>
-
-#include "base/mysql.hh"
-#include "base/trace.hh"
-#include "debug/SQL.hh"
-
-using namespace std;
-
-namespace MySQL {
-
-inline const char *
-charstar(const string &string)
-{
- return string.empty() ? NULL : string.c_str();
-}
-
-ostream &
-operator<<(ostream &stream, const Error &error)
-{
- stream << error.string();
- return stream;
-}
-
-/*
- * The connection class
- */
-Connection::Connection()
- : valid(false)
-{
-}
-
-Connection::~Connection()
-{
- if (valid)
- close();
-}
-
-
-bool
-Connection::connect(const string &xhost, const string &xuser,
- const string &xpasswd, const string &xdatabase)
-{
- if (connected())
- return error.set("Already Connected");
-
- _host = xhost;
- _user = xuser;
- _passwd = xpasswd;
- _database = xdatabase;
-
- error.clear();
-
- mysql_init(&mysql);
- mysql_options(&mysql, MYSQL_OPT_COMPRESS, 0); // might want to be 1
- mysql_options(&mysql, MYSQL_READ_DEFAULT_GROUP, "odbc");
- if (!mysql_real_connect(&mysql, charstar(_host), charstar(_user),
- charstar(_passwd), charstar(_database),
- 0, NULL, 0))
- return error.set(mysql_error(&mysql));
-
- valid = true;
- return false;
-}
-
-void
-Connection::close()
-{
- mysql_close(&mysql);
-}
-
-bool
-Connection::query(const string &sql)
-{
- DPRINTF(SQL, "Sending SQL query to server:\n%s", sql);
- error.clear();
- if (mysql_real_query(&mysql, sql.c_str(), sql.size()))
- error.set(mysql_error(&mysql));
-
- return error;
-}
-
-
-} // namespace MySQL