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/*
* Copyright (C) 2015 Jeremy White
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef WEBSOCKET_H_
#define WEBSOCKET_H_
#include <stdint.h>
#include <spice/macros.h>
#include "sys-socket.h"
SPICE_BEGIN_DECLS
typedef ssize_t (*websocket_read_cb_t)(void *opaque, void *buf, size_t nbyte);
typedef ssize_t (*websocket_write_cb_t)(void *opaque, const void *buf, size_t nbyte);
typedef ssize_t (*websocket_writev_cb_t)(void *opaque, struct iovec *iov, int iovcnt);
typedef struct RedsWebSocket RedsWebSocket;
enum {
WEBSOCKET_TEXT = 1,
WEBSOCKET_BINARY= 2,
WEBSOCKET_FINAL = 0x80,
WEBSOCKET_TEXT_FINAL = WEBSOCKET_TEXT | WEBSOCKET_FINAL,
WEBSOCKET_BINARY_FINAL = WEBSOCKET_BINARY | WEBSOCKET_FINAL,
};
RedsWebSocket *websocket_new(const void *buf, size_t len, void *stream, websocket_read_cb_t read_cb,
websocket_write_cb_t write_cb, websocket_writev_cb_t writev_cb);
void websocket_free(RedsWebSocket *ws);
/**
* Read data from websocket.
* Can return 0 in case client sent an empty text/binary data, check
* flags to detect this.
*/
int websocket_read(RedsWebSocket *ws, uint8_t *buf, size_t len, unsigned *flags);
int websocket_write(RedsWebSocket *ws, const void *buf, size_t len, unsigned flags);
int websocket_writev(RedsWebSocket *ws, const struct iovec *iov, int iovcnt, unsigned flags);
SPICE_END_DECLS
#endif
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