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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 */
+