comm_end_point.h
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TR_COMM_END_POINT_H__
#define __TR_COMM_END_POINT_H__
#include <sys/types.h>
#include "trbase.h"
#include "trevent.h"
#include "trdata.h"
/*
* Read ahead limits.
* These values should be conficurable in the future.
*/
#define CEP_WRITE_BUFFER_THRESHOLD 512 * 1024
#define CEP_DEFAULT_READ_SIZE 128 * 1024
TR_CLASS(TR_CommEndPoint) {
TR_EXTENDS(TR_EventSubject);
void * protocol; // will be type TR_Protocol as soon as it is there.
TR_Socket transport;
int do_close;
TR_Queue write_buffer;
size_t write_buffer_size;
size_t read_chunk_size; // bytes
};
TR_INSTANCE_INIT(TR_CommEndPoint);
TR_CLASSVARS_DECL(TR_CommEndPoint) {
TR_CV_EXTENDS(TR_EventSubject);
};
#define TR_CEP_EVENT_DO_READ 0 // IoHandler
#define TR_CEP_EVENT_DO_WRITE 1 // IoHandler
#define TR_CEP_EVENT_READ_BLOCK 2 // CommManager
#define TR_CEP_EVENT_WRITE_BLOCK 3 // CommManager
#define TR_CEP_EVENT_WBUF_FULL 4 // CommManager
#define TR_CEP_EVENT_NEW_DATA 5 // ProtocolHandler
#define TR_CEP_EVENT_NEW_MSG 6 // Application
#define TR_CEP_EVENT_MSG_READY 7 // ProtocolHandler
#define TR_CEP_EVENT_DATA_READY 8 // CommManager
#define TR_CEP_EVENT_DATA_END 9 // CommManager
#define TR_CEP_EVENT_SHUT_READ 10 // CommManager
#define TR_CEP_EVENT_SHUT_WRITE 11 // CommManager
#define TR_CEP_EVENT_CLOSE 12 // CommManager
#define TR_CEP_EVENT_MAX ((size_t)TR_CEP_EVENT_CLOSE)
#define TR_cepSetClose(ep) ((ep)->do_close = 1)
#define TR_cepHasProto(ep, proto) (TR_INSTANCE_OF(proto, TR_cepGetProto(ep)))
#define TR_cepGetProto(ep) ((ep)->protocol)
#define TR_cepGetHandle(ep) ((ep)->transport->handle)
#define TR_cepHasPendingData(ep) (! TR_queueEmpty((ep)->write_buffer))
#define TR_cepNextWriteData(ep) (TR_queueGet(this->write_buffer))
void TR_cepAppendReadData(TR_CommEndPoint, TR_RemoteData);
void TR_cepAppendWriteData(TR_CommEndPoint, TR_RemoteData);
int TR_commEndPointRead(TR_CommEndPoint, TR_RemoteData *);
int TR_cepWriteBuffered(TR_CommEndPoint, size_t *);
#endif // __TR_COMM_END_POINT_H__
// vim: set ts=4 sw=4: