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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_LISTEN_H
#define DRIZZLED_LISTEN_H
#include <drizzled/plugin/listen.h>
#include <drizzled/plugin/protocol.h>
/**
* Class to handle all Listen plugin objects.
*/
class ListenHandler
{
private:
std::vector<const Listen *> listen_list;
std::vector<const Listen *> listen_fd_list;
struct pollfd *fd_list;
uint32_t fd_count;
int wakeup_pipe[2];
public:
ListenHandler();
~ListenHandler();
/**
* Add a new Listen object to the list of listeners we manage.
*/
void addListen(const Listen &listen_obj);
/**
* Remove a Listen object from the list of listeners we manage.
*/
void removeListen(const Listen &listen_obj);
/**
* Bind to all configured listener interfaces.
*/
bool bindAll(const char *host, uint32_t bind_timeout);
/**
* Accept a new connection (Protocol object) on one of the configured
* listener interfaces.
*/
Protocol *getProtocol(void) const;
/**
* Some internal functions drizzled require a temporary Protocol object to
* create a valid session object, this just returns an instance of the first
* protocol object.
*/
Protocol *getTmpProtocol(void) const;
/**
* Wakeup the listen loop from another thread.
*/
void wakeup(void);
};
/* Functions required by plugin_registry. */
void add_listen(const Listen &listen_obj);
void remove_listen(const Listen &listen_obj);
/* Convenience function for signal handlers. */
void listen_abort(void);
#endif /* DRIZZLED_LISTEN_H */
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