Intermediate commit - just to make new files visible to bk in the new

tree


server-tools/instance-manager/Makefile.am:
  Fixed IM linking to avoid using both mysys and libmysql as the define the
  same symbols and therefore conflict
server-tools/instance-manager/listener.cc:
  Added ability to listen network ports
server-tools/instance-manager/listener.h:
  Various additions to the Listener_thread_args
server-tools/instance-manager/log.cc:
  merge
server-tools/instance-manager/log.h:
  merge
server-tools/instance-manager/manager.cc:
  Fixes and additions to enable guardian functionality
server-tools/instance-manager/manager.h:
  Changed manager() signature
server-tools/instance-manager/mysqlmanager.cc:
  Various fixes
server-tools/instance-manager/options.cc:
  Added handling of default values for new options in the Options struct. (such
  as default_user, default_password, monitoring_interval e.t.c)
server-tools/instance-manager/options.h:
  Added new options to the Options struct
sql/net_serv.cc:
  Added MYSQL_INSTANCE_MANAGER defines to enable alarm handling in the IM
server-tools/instance-manager/buffer.cc:
  Simple implementation of variable-length buffer
server-tools/instance-manager/command.cc:
  Abstract command. All commands are derived from Command class
server-tools/instance-manager/commands.h:
  Interfaces for all commands we have
server-tools/instance-manager/factory.cc:
  Commands factory. This class hides command instantiation. The idea is to
  handle various protocols this way. (different commands for different
  protocols
server-tools/instance-manager/guardian.cc:
  Guardian thread implementation (monitor and restart instances in case of a
  failure
server-tools/instance-manager/guardian.h:
  Guardian_thread and Guardian_thread_args class interface. The
  Guardian_thread is responsible for monitoring and restarting instances
server-tools/instance-manager/instance.cc:
  Instance class contains methods and data to manage a single instance
server-tools/instance-manager/instance.h:
  This file contains class an instance class interface. The class is
  responsible for starting/stopping an instance
server-tools/instance-manager/instance_map.cc:
  The instance repository. This class is also responsible for initialization
  of Instance class objects.
server-tools/instance-manager/instance_options.cc:
  The Instance_options class contains all methods to get and  handle options
  of an instance
server-tools/instance-manager/mysql_connection.cc:
  The class responsible for handling MySQL client/server protocol connections
server-tools/instance-manager/mysql_manager_error.h:
  The list of Instance Manger-specific errors
server-tools/instance-manager/parse.cc:
  Simple query parser
server-tools/instance-manager/parse.h:
  Parser interface
server-tools/instance-manager/protocol.cc:
  Here implemented functions used to handle mysql client/server protocol
server-tools/instance-manager/protocol.h:
  Interface for MySQL client/server protocol
server-tools/instance-manager/thread_registry.cc:
  Thread registry stores information about every thread. It's main function is
  to provide graceful shutdown for all threads.
server-tools/instance-manager/user_map.h:
  User map contains hash with user names and passwords

1 files changed, 76 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..965261f2920
--- /dev/null
+++ b/server-tools/instance-manager/instance_map.h
@@ -0,0 +1,76 @@
+#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
+{
+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 show_instances(struct st_net *net);
+  int show_instance_status(struct st_net *net, const char *instance_name);
+  int show_instance_options(struct st_net *net, const char *instance_name);
+  int flush_instances();
+  int init_guardian();
+  int cleanup();
+
+  Instance_map();
+  ~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 */