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/*
* Ouroboros - Copyright (C) 2016
*
* The Common Distributed Application Protocol
*
* Sander Vrijders <sander.vrijders@intec.ugent.be>
* Dimitri Staessens <dimitri.staessens@intec.ugent.be>
*
* 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef OUROBOROS_CDAP_H
#define OUROBOROS_CDAP_H
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#define F_SYNC 0x0001
enum cdap_opcode {
CDAP_READ = 0,
CDAP_WRITE,
CDAP_START,
CDAP_STOP,
CDAP_CREATE,
CDAP_DELETE
};
struct cdap;
/* Callback functions that work on the application's RIB */
struct cdap_ops {
int (* cdap_request)(struct cdap * instance,
int invoke_id,
enum cdap_opcode opcode,
char * name,
uint8_t * data,
size_t len,
uint32_t flags);
int (* cdap_reply)(struct cdap * instance,
int invoke_id,
int result,
uint8_t * data,
size_t len);
};
/* Assumes flow is blocking */
struct cdap * cdap_create(struct cdap_ops * ops,
int fd);
int cdap_destroy(struct cdap * instance);
/* Returns a positive invoke-id on success to be used in the callback */
int cdap_send_request(struct cdap * instance,
enum cdap_opcode code,
char * name,
uint8_t * data,
size_t len,
uint32_t flags);
/* Can only be called following a callback function */
int cdap_send_reply(struct cdap * instance,
int invoke_id,
int result,
uint8_t * data,
size_t len);
#endif
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