websocket.h

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/*
 * Copyright (c) 2019 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_NET_WEBSOCKET_H_
#define ZEPHYR_INCLUDE_NET_WEBSOCKET_H_
 
#include <kernel.h>
 
#include <net/net_ip.h>
#include <net/http_parser.h>
#include <net/http_client.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define WEBSOCKET_FLAG_FINAL  0x00000001 
#define WEBSOCKET_FLAG_TEXT   0x00000002 
#define WEBSOCKET_FLAG_BINARY 0x00000004 
#define WEBSOCKET_FLAG_CLOSE  0x00000008 
#define WEBSOCKET_FLAG_PING   0x00000010 
#define WEBSOCKET_FLAG_PONG   0x00000020 
enum websocket_opcode  {
        WEBSOCKET_OPCODE_CONTINUE     = 0x00,
        WEBSOCKET_OPCODE_DATA_TEXT    = 0x01,
        WEBSOCKET_OPCODE_DATA_BINARY  = 0x02,
        WEBSOCKET_OPCODE_CLOSE        = 0x08,
        WEBSOCKET_OPCODE_PING         = 0x09,
        WEBSOCKET_OPCODE_PONG         = 0x0A,
};
 
typedef int (*websocket_connect_cb_t)(int ws_sock, struct http_request *req,
                                      void *user_data);
 
struct websocket_request {
        const char *host;
 
        const char *url;
 
        http_header_cb_t optional_headers_cb;
 
        const char **optional_headers;
 
        websocket_connect_cb_t cb;
 
        const struct http_parser_settings *http_cb;
 
        uint8_t *tmp_buf;
 
        size_t tmp_buf_len;
};
 
int websocket_connect(int http_sock, struct websocket_request *req,
                      int32_t timeout, void *user_data);
 
int websocket_send_msg(int ws_sock, const uint8_t *payload, size_t payload_len,
                       enum websocket_opcode opcode, bool mask, bool final,
                       int32_t timeout);
 
int websocket_recv_msg(int ws_sock, uint8_t *buf, size_t buf_len,
                       uint32_t *message_type, uint64_t *remaining,
                       int32_t timeout);
 
int websocket_disconnect(int ws_sock);
 
#if defined(CONFIG_WEBSOCKET_CLIENT)
void websocket_init(void);
#else
static inline void websocket_init(void)
{
}
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_NET_WEBSOCKET_H_ */