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/*
* bitz-server, An ICAP server implementation in C++
* Copyright (C) 2012 Uditha Atukorala
*
* 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 3 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
*/
#ifndef BITZ_MANAGER_H
#define BITZ_MANAGER_H
#include <unistd.h> // pid_t, fork() etc.
#include <socket/socket.h> // socket-library
#include "manager_exception.h"
#include "worker.h"
#ifndef BITZ_MAX_WORKERS
#define BITZ_MAX_WORKERS 2
#endif
#ifndef BITZ_MAX_WORKER_REQUESTS
#define BITZ_MAX_WORKER_REQUESTS 100
#endif
namespace bitz {
class Manager {
public:
struct worker_pool_t {
pid_t worker_pid;
unsigned int worker_id;
Worker * worker;
};
struct manager_t {
bool worker;
unsigned int max_workers;
unsigned int max_worker_requests;
unsigned int workers_count;
unsigned int worker_id;
socketlibrary::TCPServerSocket * socket;
worker_pool_t * worker_pool;
};
/**
* Note: backlog = SOMAXCONN (from sys/socket.h)
*/
Manager( unsigned short port, const std::string &address = "", int backlog = 128 ) throw( ManagerException );
/**
* deconstructor
*/
virtual ~Manager();
virtual void spawn( unsigned int max_workers = BITZ_MAX_WORKERS, unsigned int max_worker_requests = BITZ_MAX_WORKER_REQUESTS ) throw( ManagerException );
virtual void shutdown( bool graceful = true ) throw();
virtual void reap_worker( pid_t worker_pid ) throw();
virtual void manager_workers() throw();
private:
manager_t _manager;
virtual void spawn_worker( unsigned int worker_id ) throw( ManagerException );
};
} /* end of namespace bitz */
#endif /* !BITZ_MANAGER_H */
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