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author | unknown <petr@mysql.com> | 2004-10-23 11:32:52 +0400 |
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committer | unknown <petr@mysql.com> | 2004-10-23 11:32:52 +0400 |
commit | a5435ea78ab3d62223fd94ebd7c730f8ded30f1b (patch) | |
tree | 0b27802fdecb258338fcfe759144e818e42083c2 /server-tools/instance-manager/buffer.h | |
parent | 746e6e53e7c945327aabf560ff0fbc3fe16bf7cb (diff) | |
download | mariadb-git-a5435ea78ab3d62223fd94ebd7c730f8ded30f1b.tar.gz |
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
Diffstat (limited to 'server-tools/instance-manager/buffer.h')
-rw-r--r-- | server-tools/instance-manager/buffer.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/server-tools/instance-manager/buffer.h b/server-tools/instance-manager/buffer.h new file mode 100644 index 00000000000..8781abebd71 --- /dev/null +++ b/server-tools/instance-manager/buffer.h @@ -0,0 +1,57 @@ +#ifndef INCLUDES_MYSQL_INSTANCE_MANAGER_BUFFER_H +#define INCLUDES_MYSQL_INSTANCE_MANAGER_BUFFER_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> + +#ifdef __GNUC__ +#pragma interface +#endif + +/* + This class is a simple implementation of the buffer of varying size. + It is used to store MySQL client-server protocol packets. This is why + the maximum buffer size if 16Mb. (See internals manual section + 7. MySQL Client/Server Protocol) +*/ + +class Buffer +{ +private: + enum { BUFFER_INITIAL_SIZE= 4096 }; + /* maximum buffer size is 16Mb */ + enum { MAX_BUFFER_SIZE= 16777216 }; + uint buffer_size; +public: + Buffer() + { + buffer=(char *) malloc(BUFFER_INITIAL_SIZE); + buffer_size= BUFFER_INITIAL_SIZE; + } + + ~Buffer() + { + free(buffer); + } + +public: + char *buffer; + int put_to_buffer(char *start_pos, const char *string, uint len_arg); + int check_and_add(uint position, uint len_arg); +}; + +#endif /* INCLUDES_MYSQL_INSTANCE_MANAGER_BUFFER_H */ |