38 lines
907 B
C
38 lines
907 B
C
#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <unistd.h>
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#define WS_HEADER_MIN_SIZE 14
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enum ws_opcode {
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WS_OPCODE_CONT = 0,
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WS_OPCODE_TEXT,
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WS_OPCODE_BIN,
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WS_OPCODE_CLOSE = 8,
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WS_OPCODE_PING,
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WS_OPCODE_PONG,
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};
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struct ws_frame_header {
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bool fin;
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enum ws_opcode opcode;
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bool mask;
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uint64_t payload_length;
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uint8_t masking_key[4];
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size_t header_length;
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};
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ssize_t ws_handshake(char* output, size_t output_maxlen, const char* input);
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const char *ws_opcode_name(enum ws_opcode op);
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bool ws_parse_frame_header(struct ws_frame_header* header,
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const uint8_t* payload, size_t length);
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void ws_apply_mask(const struct ws_frame_header* header,
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uint8_t* restrict payload);
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void ws_copy_payload(const struct ws_frame_header* header,
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uint8_t* restrict dst, const uint8_t* restrict src, size_t len);
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int ws_write_frame_header(uint8_t* dst, const struct ws_frame_header* header);
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