ibrcommon/ibrcommon/net/stopandwait.h

Go to the documentation of this file.

/*
 * stopandwait.h
 *
 *  Created on: 08.11.2010
 *      Author: morgenro
 */

#include <ibrcommon/thread/Conditional.h>

#ifndef STOPANDWAIT_H_
#define STOPANDWAIT_H_

namespace ibrcommon
{
        class stopandwait
        {
        public:
                stopandwait(const size_t timeout, const size_t maxretry = 0);
                virtual ~stopandwait();

                void setTimeout(size_t timeout);

        protected:
                int __send(const char *buffer, const size_t length);
                int __recv(char *buffer, size_t &length);

                virtual int __send_impl(const char *buffer, const size_t length)  = 0;
                virtual int __recv_impl(char *buffer, size_t &length) = 0;

        private:
                size_t _maxretry;
                u_int8_t _out_seqno;
                u_int8_t _in_seqno;
                u_int8_t _ack_seqno;

                unsigned int _count;
                size_t _timeout;
                ibrcommon::Conditional _ack_cond;
        };
}

#endif /* STOPANDWAIT_H_ */