1 files changed, 60 insertions, 0 deletions
diff --git a/server-tools/instance-manager/instance.h b/server-tools/instance-manager/instance.h
new file mode 100644
index 00000000000..6733985116a
--- /dev/null
+++ b/server-tools/instance-manager/instance.h
@@ -0,0 +1,60 @@
+#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H
+#define INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H
+/* Copyright (C) 2004 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <my_global.h>
+#include <my_sys.h>
+#include <mysql.h>
+#include "instance_options.h"
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+class Instance
+{
+public:
+  Instance(): is_connected(FALSE)
+  {}
+  ~Instance();
+
+  int init(const char *name);
+
+  /* check if the instance is running and set up mysql connection if yes */
+  bool is_running();
+  int start();
+  int stop();
+  int cleanup();
+
+public:
+  Instance_options options;
+
+  /* connection to the instance */
+  MYSQL mysql;
+
+private:
+  /*
+    Mutex protecting the instance. Currently we use it to avoid the
+    double start of the instance. This happens when the instance is starting
+    and we issue the start command once more.
+  */
+  pthread_mutex_t LOCK_instance;
+  /* Here we store the state of the following connection */
+  bool is_connected;
+};
+
+#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_H */