82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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Copyright (c) 2015, 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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#ifndef CONNECTION_ACCEPTOR_INCLUDED
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#define CONNECTION_ACCEPTOR_INCLUDED
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#include "channel_info.h" // Channel_info
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#include "connection_handler_manager.h" // Connection_handler_manager
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/**
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This class presents a generic interface to initialize and run
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a connection event loop for different types of listeners and
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a callback functor to call on the connection event from the
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listener that listens for connection. Listener type should
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be a class providing methods setup_listener, listen_for_
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connection_event and close_listener. The Connection event
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callback functor object would on receiving connection event
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from the client to process the connection.
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*/
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template <typename Listener> class Connection_acceptor
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{
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Listener *m_listener;
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public:
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Connection_acceptor(Listener *listener)
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: m_listener(listener)
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{ }
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~Connection_acceptor()
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{
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delete m_listener;
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}
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/**
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Initialize a connection acceptor.
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@retval return true if initialization failed, else false.
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*/
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bool init_connection_acceptor()
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{
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return m_listener->setup_listener();
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}
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/**
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Connection acceptor loop to accept connections from clients.
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*/
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void connection_event_loop()
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{
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Connection_handler_manager *mgr= Connection_handler_manager::get_instance();
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while (!abort_loop)
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{
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Channel_info *channel_info= m_listener->listen_for_connection_event();
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if (channel_info != NULL)
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mgr->process_new_connection(channel_info);
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}
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}
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/**
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Close the listener.
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*/
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void close_listener()
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{
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m_listener->close_listener();
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}
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};
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#endif // CONNECTION_ACCEPTOR_INCLUDED
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