first pass at merging m5 with linux

--HG--
extra : convert_revision : dfe23349b80ae3b34d3cb95c5734e01ef62f700e

1 files changed, 97 insertions, 0 deletions

diff --git a/base/mysql.cc b/base/mysql.cc
new file mode 100644
index 000000000..8481e74e2
--- /dev/null
+++ b/base/mysql.cc
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+#include <iostream>
+
+#include "base/mysql.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);
+}
+
+/* namespace MySQL */ }