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/*
* Ouroboros - Copyright (C) 2016 - 2017
*
* The Common Distributed Application Protocol
*
* Sander Vrijders <sander.vrijders@intec.ugent.be>
* Dimitri Staessens <dimitri.staessens@intec.ugent.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef OUROBOROS_CDAP_H
#define OUROBOROS_CDAP_H
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
#define F_SYNC 0x0001
#define INVALID_CDAP_KEY -1
enum cdap_opcode {
CDAP_READ = 0,
CDAP_WRITE,
CDAP_START,
CDAP_STOP,
CDAP_CREATE,
CDAP_DELETE
};
struct cdap;
typedef int32_t cdap_key_t;
/* Assumes flow is blocking */
struct cdap * cdap_create(int fd);
int cdap_destroy(struct cdap * instance);
cdap_key_t cdap_request_send(struct cdap * instance,
enum cdap_opcode code,
const char * name,
const void * data,
size_t len,
uint32_t flags);
int cdap_reply_wait(struct cdap * instance,
cdap_key_t key,
uint8_t ** data,
size_t * len);
cdap_key_t cdap_request_wait(struct cdap * instance,
enum cdap_opcode * opcode,
char ** name,
uint8_t ** data,
size_t * len,
uint32_t * flags);
int cdap_reply_send(struct cdap * instance,
cdap_key_t key,
int result,
const void * data,
size_t len);
#endif /* OUROBOROS_CDAP_H */
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