1 files changed, 93 insertions, 0 deletions
diff --git a/server-tools/instance-manager/instance_map.h b/server-tools/instance-manager/instance_map.h
new file mode 100644
index 00000000000..e1bfe6ab391
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+++ b/server-tools/instance-manager/instance_map.h
@@ -0,0 +1,93 @@
+#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_MAP_H
+#define INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_MAP_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 <hash.h>
+
+#ifdef __GNUC__
+#pragma interface
+#endif
+
+#include "protocol.h"
+#include "guardian.h"
+
+class Instance;
+extern int load_all_groups(char ***groups, const char *filename);
+extern void free_groups(char **groups);
+
+
+/*
+  Instance_map - stores all existing instances
+*/
+
+class Instance_map
+{
+  friend class Iterator;
+public:
+  /* Instance_map iterator */
+  class Iterator
+  {
+  private:
+    uint current_instance;
+    Instance_map *instance_map;
+  public:
+    Iterator(Instance_map *instance_map_arg) :
+     current_instance(0), instance_map(instance_map_arg)
+    {}
+
+    void go_to_first();
+    Instance *next();
+  };
+public:
+  /* returns a pointer to the instance or NULL, if there is no such instance */
+  Instance *find(const char *name, uint name_len);
+  Instance *find(uint instance_number);
+
+  int flush_instances();
+  int cleanup();
+  int lock();
+  int unlock();
+  int init();
+
+  Instance_map(const char *default_mysqld_path_arg,
+               const char *default_admin_user_arg,
+               const char *default_admin_password_arg);
+  ~Instance_map();
+
+  /* loads options from config files */
+  int load();
+  /* adds instance to internal hash */
+  int add_instance(Instance *instance);
+  /* inits instances argv's after all options have been loaded */
+  void complete_initialization();
+
+public:
+  const char *mysqld_path;
+  /* user an password to shutdown MySQL */
+  const char *user;
+  const char *password;
+  Guardian_thread *guardian;
+
+private:
+  enum { START_HASH_SIZE = 16 };
+  pthread_mutex_t LOCK_instance_map;
+  HASH hash;
+};
+
+#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_INSTANCE_MAP_H */