76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
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/*******************************************************************************
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* Copyright (c) 2018, 2022 Wind River Systems, Inc. and others. All Rights Reserved.
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v2.0
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* and Eclipse Distribution License v1.0 which accompany this distribution.
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*
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* The Eclipse Public License is available at
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* https://www.eclipse.org/legal/epl-2.0/
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Keith Holman - initial implementation and documentation
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* Sven Gambel - move WebSocket proxy support to generic proxy support
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*******************************************************************************/
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#if !defined(WEBSOCKET_H)
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#define WEBSOCKET_H
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#include "MQTTPacket.h"
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/**
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* WebSocket op codes
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* @{
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*/
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#define WebSocket_OP_CONTINUE 0x0 /* 0000 - continue frame */
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#define WebSocket_OP_TEXT 0x1 /* 0001 - text frame */
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#define WebSocket_OP_BINARY 0x2 /* 0010 - binary frame */
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#define WebSocket_OP_CLOSE 0x8 /* 1000 - close frame */
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#define WebSocket_OP_PING 0x9 /* 1001 - ping frame */
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#define WebSocket_OP_PONG 0xA /* 1010 - pong frame */
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/** @} */
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/**
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* Various close status codes
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* @{
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*/
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#define WebSocket_CLOSE_NORMAL 1000
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#define WebSocket_CLOSE_GOING_AWAY 1001
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#define WebSocket_CLOSE_PROTOCOL_ERROR 1002
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#define WebSocket_CLOSE_UNKNOWN_DATA 1003
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#define WebSocket_CLOSE_RESERVED 1004
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#define WebSocket_CLOSE_NO_STATUS_CODE 1005 /* reserved: not to be used */
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#define WebSocket_CLOSE_ABNORMAL 1006 /* reserved: not to be used */
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#define WebSocket_CLOSE_BAD_DATA 1007
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#define WebSocket_CLOSE_POLICY 1008
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#define WebSocket_CLOSE_MSG_TOO_BIG 1009
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#define WebSocket_CLOSE_NO_EXTENSION 1010
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#define WebScoket_CLOSE_UNEXPECTED 1011
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#define WebSocket_CLOSE_TLS_FAIL 1015 /* reserved: not be used */
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/** @} */
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/* closes a websocket connection */
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void WebSocket_close(networkHandles *net, int status_code, const char *reason);
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/* sends upgrade request */
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int WebSocket_connect(networkHandles *net, int ssl, const char *uri);
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/* obtain data from network socket */
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int WebSocket_getch(networkHandles *net, char* c);
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char *WebSocket_getdata(networkHandles *net, size_t bytes, size_t* actual_len);
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size_t WebSocket_framePos();
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void WebSocket_framePosSeekTo(size_t);
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/* send data out, in websocket format only if required */
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int WebSocket_putdatas(networkHandles* net, char** buf0, size_t* buf0len, PacketBuffers* bufs);
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/* releases any resources used by the websocket system */
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void WebSocket_terminate(void);
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/* handles websocket upgrade request */
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int WebSocket_upgrade(networkHandles *net);
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#endif /* WEBSOCKET_H */
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