blob: e9f576536861420368abe76bc47edbab9bf533c0 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2018, 2020 Wind River Systems, Inc. and others. All Rights Reserved.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
*
* The Eclipse Public License is available at
* https://www.eclipse.org/legal/epl-2.0/
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Keith Holman - initial implementation and documentation
*******************************************************************************/
#if !defined(WEBSOCKET_H)
#define WEBSOCKET_H
#include "MQTTPacket.h"
/**
* WebSocket op codes
* @{
*/
#define WebSocket_OP_CONTINUE 0x0 /* 0000 - continue frame */
#define WebSocket_OP_TEXT 0x1 /* 0001 - text frame */
#define WebSocket_OP_BINARY 0x2 /* 0010 - binary frame */
#define WebSocket_OP_CLOSE 0x8 /* 1000 - close frame */
#define WebSocket_OP_PING 0x9 /* 1001 - ping frame */
#define WebSocket_OP_PONG 0xA /* 1010 - pong frame */
/** @} */
/**
* Various close status codes
* @{
*/
#define WebSocket_CLOSE_NORMAL 1000
#define WebSocket_CLOSE_GOING_AWAY 1001
#define WebSocket_CLOSE_PROTOCOL_ERROR 1002
#define WebSocket_CLOSE_UNKNOWN_DATA 1003
#define WebSocket_CLOSE_RESERVED 1004
#define WebSocket_CLOSE_NO_STATUS_CODE 1005 /* reserved: not to be used */
#define WebSocket_CLOSE_ABNORMAL 1006 /* reserved: not to be used */
#define WebSocket_CLOSE_BAD_DATA 1007
#define WebSocket_CLOSE_POLICY 1008
#define WebSocket_CLOSE_MSG_TOO_BIG 1009
#define WebSocket_CLOSE_NO_EXTENSION 1010
#define WebScoket_CLOSE_UNEXPECTED 1011
#define WebSocket_CLOSE_TLS_FAIL 1015 /* reserved: not be used */
/** @} */
/* closes a websocket connection */
void WebSocket_close(networkHandles *net, int status_code, const char *reason);
/* sends upgrade request */
int WebSocket_connect(networkHandles *net, const char *uri);
/* obtain data from network socket */
int WebSocket_getch(networkHandles *net, char* c);
char *WebSocket_getdata(networkHandles *net, size_t bytes, size_t* actual_len);
size_t WebSocket_framePos();
void WebSocket_framePosSeekTo(size_t);
/* send data out, in websocket format only if required */
int WebSocket_putdatas(networkHandles* net, char** buf0, size_t* buf0len, PacketBuffers* bufs);
/* releases any resources used by the websocket system */
void WebSocket_terminate(void);
/* handles websocket upgrade request */
int WebSocket_upgrade(networkHandles *net);
/* Notify the IP address and port of the endpoint to proxy, and wait connection to endpoint */
int WebSocket_proxy_connect( networkHandles *net, int ssl, const char *hostname);
#endif /* WEBSOCKET_H */