68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
#ifndef PLUGIN_CONNECTION_HANDLER_INCLUDED
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#define PLUGIN_CONNECTION_HANDLER_INCLUDED
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/*
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Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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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; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "mysql/thread_pool_priv.h" // Plugin_connection_handler_functions
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#include "conn_handler/connection_handler.h" // Connection_handler
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class THD;
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/**
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This is a wrapper class around global free functions implemented
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by connection handler plugins (e.g. thread pool). So instead of
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plugins implementing a Connection_handler subclass, they supply
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a set of function pointers to my_connection_handler_set() which
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instantiates Plugin_connection_handler.
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@see Connection_handler_functions struct.
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*/
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class Plugin_connection_handler : public Connection_handler
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{
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Connection_handler_functions *m_functions;
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Plugin_connection_handler(const Plugin_connection_handler&);
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Plugin_connection_handler&
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operator=(const Plugin_connection_handler&);
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public:
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Plugin_connection_handler(Connection_handler_functions *functions)
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: m_functions(functions)
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{}
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virtual ~Plugin_connection_handler()
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{
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m_functions->end();
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}
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protected:
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virtual bool add_connection(Channel_info* channel_info)
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{
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return m_functions->add_connection(channel_info);
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}
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virtual uint get_max_threads() const
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{
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return m_functions->max_threads;
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}
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};
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#endif // PLUGIN_CONNECTION_HANDLER_INCLUDED
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