mirror of
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3e042c6d7b
- change some return types from int to bool; - add [ERROR] tag to log_error() output; - add [INFO] tag to log_info() output; - change log messages to be more consistent.
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_MYSQL_CONNECTION_H
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#define INCLUDES_MYSQL_INSTANCE_MANAGER_MYSQL_CONNECTION_H
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/* Copyright (C) 2003 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include "thread_registry.h"
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#include <mysql_com.h>
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#if defined(__GNUC__) && defined(USE_PRAGMA_INTERFACE)
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#pragma interface
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#endif
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struct st_vio;
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class User_map;
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/*
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MySQL connection - handle one connection with mysql command line client
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See also comments in mysqlmanager.cc to picture general Instance Manager
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architecture.
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We use conventional technique to work with classes without exceptions:
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class acquires all vital resource in init(); Thus if init() succeed,
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a user must call cleanup(). All other methods are valid only between
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init() and cleanup().
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*/
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class Mysql_connection: public Thread
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{
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public:
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Mysql_connection(Thread_registry *thread_registry_arg,
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User_map *user_map_arg,
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struct st_vio *vio_arg,
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ulong connection_id_arg);
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virtual ~Mysql_connection();
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protected:
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virtual void run();
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private:
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struct st_vio *vio;
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ulong connection_id;
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Thread_info thread_info;
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Thread_registry *thread_registry;
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User_map *user_map;
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NET net;
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struct rand_struct rand_st;
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char scramble[SCRAMBLE_LENGTH + 1];
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uint status;
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ulong client_capabilities;
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private:
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/* The main loop implementation triad */
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bool init();
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void main();
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void cleanup();
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/* Names are conventionally the same as in mysqld */
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int check_connection();
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int do_command();
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int dispatch_command(enum enum_server_command command, const char *text);
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};
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#endif // INCLUDES_MYSQL_INSTANCE_MANAGER_MYSQL_CONNECTION_H
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