• unknown's avatar
    post-review fixes · 7a3a757f
    unknown authored
    server-tools/instance-manager/Makefile.am:
      Removed entry for deleted file
    server-tools/instance-manager/buffer.cc:
      cleanup
    server-tools/instance-manager/commands.cc:
      cleanup, added missing error handling
    server-tools/instance-manager/instance.cc:
      added waitpid in instance_start, added few checks
    server-tools/instance-manager/instance_map.cc:
      error handling for hash_init added
    server-tools/instance-manager/instance_map.h:
      Extended constructor
    server-tools/instance-manager/instance_options.cc:
      made add_option less bulky
    server-tools/instance-manager/instance_options.h:
      -
    server-tools/instance-manager/listener.cc:
      added missing close, fixed typo
    server-tools/instance-manager/manager.cc:
      moved some Instance_map initialization to costructor
    server-tools/instance-manager/protocol.cc:
      error handling added
    server-tools/instance-manager/protocol.h:
      store_to_string fixed to return a value
    server-tools/instance-manager/user_map.cc:
      error handling for hash_init added
    server-tools/instance-manager/user_map.h:
      added init() for User map (becouse of the hash_init check)
    7a3a757f
instance_map.h 2.46 KB
#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 */