104 lines
3.4 KiB
C
Executable File
104 lines
3.4 KiB
C
Executable File
/*
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+----------------------------------------------------------------------+
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| Swoole |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.0 of the Apache license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.apache.org/licenses/LICENSE-2.0.html |
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| If you did not receive a copy of the Apache2.0 license and are unable|
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| to obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Tianfeng Han <mikan.tenny@gmail.com> |
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+----------------------------------------------------------------------+
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*/
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#ifndef SW_WEBSOCKET_H_
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#define SW_WEBSOCKET_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "http.h"
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#define SW_WEBSOCKET_GUID "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
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#define SW_WEBSOCKET_HEADER_LEN 2
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#define SW_WEBSOCKET_MASK_LEN 4
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#define SW_WEBSOCKET_MASK_DATA "258E"
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#define SW_WEBSOCKET_EXT16_LENGTH 0x7E
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#define SW_WEBSOCKET_EXT16_MAX_LEN 0xFFFF
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#define SW_WEBSOCKET_EXT64_LENGTH 0x7F
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#define SW_WEBSOCKET_MASKED(frm) (frm->header.MASK)
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#define FRAME_SET_FIN(BYTE) (((BYTE) & 0x01) << 7)
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#define FRAME_SET_OPCODE(BYTE) ((BYTE) & 0x0F)
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#define FRAME_SET_MASK(BYTE) (((BYTE) & 0x01) << 7)
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#define FRAME_SET_LENGTH(X64, IDX) (unsigned char)(((X64) >> ((IDX)*8)) & 0xFF)
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enum swWebsocketStatus
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{
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WEBSOCKET_STATUS_CONNECTION = 1,
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WEBSOCKET_STATUS_HANDSHAKE = 2,
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WEBSOCKET_STATUS_ACTIVE = 3,
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};
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typedef struct
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{
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/**
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* fin:1 rsv1:1 rsv2:1 rsv3:1 opcode:4
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*/
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struct
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{
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uchar OPCODE :4;
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uchar RSV3 :1;
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uchar RSV2 :1;
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uchar RSV1 :1;
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uchar FIN :1;
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uchar LENGTH :7;
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uchar MASK :1;
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} header;
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char mask_key[SW_WEBSOCKET_MASK_LEN];
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uint16_t header_length;
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size_t payload_length;
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char *payload;
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} swWebSocket_frame;
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enum swWebsocketCode
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{
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WEBSOCKET_OPCODE_CONTINUATION_FRAME = 0x0,
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WEBSOCKET_OPCODE_TEXT_FRAME = 0x1,
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WEBSOCKET_OPCODE_BINARY_FRAME = 0x2,
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WEBSOCKET_OPCODE_CONNECTION_CLOSE = 0x8,
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WEBSOCKET_OPCODE_PING = 0x9,
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WEBSOCKET_OPCODE_PONG = 0xa,
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WEBSOCKET_CLOSE_NORMAL = 1000,
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WEBSOCKET_CLOSE_GOING_AWAY = 1001,
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WEBSOCKET_CLOSE_PROTOCOL_ERROR = 1002,
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WEBSOCKET_CLOSE_DATA_ERROR = 1003,
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WEBSOCKET_CLOSE_STATUS_ERROR = 1005,
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WEBSOCKET_CLOSE_ABNORMAL = 1006,
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WEBSOCKET_CLOSE_MESSAGE_ERROR = 1007,
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WEBSOCKET_CLOSE_POLICY_ERROR = 1008,
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WEBSOCKET_CLOSE_MESSAGE_TOO_BIG = 1009,
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WEBSOCKET_CLOSE_EXTENSION_MISSING = 1010,
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WEBSOCKET_CLOSE_SERVER_ERROR = 1011,
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WEBSOCKET_CLOSE_TLS = 1015,
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WEBSOCKET_VERSION = 13,
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};
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int swWebSocket_get_package_length(swProtocol *protocol, swConnection *conn, char *data, uint32_t length);
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void swWebSocket_encode(swString *buffer, char *data, size_t length, char opcode, int finish, int mask);
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void swWebSocket_decode(swWebSocket_frame *frame, swString *data);
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void swWebSocket_print_frame(swWebSocket_frame *frame);
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int swWebSocket_dispatch_frame(swConnection *conn, char *data, uint32_t length);
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#ifdef __cplusplus
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}
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#endif
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#endif /* SW_WEBSOCKET_H_ */
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