websocket.h
e35c3ed2ab40master

websocket.h
View Options

			#ifndef ANT_HTTP_WEBSOCKET_H
			#define ANT_HTTP_WEBSOCKET_H

			#include <stdbool.h>
			#include <stddef.h>
			#include <stdint.h>
			#include "modules/http.h"

			#define ANT_WS_GUID "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"

			typedef uint8_t ant_ws_opcode_t;
			enum {
			ANT_WS_OPCODE_CONTINUATION = 0x0,
			ANT_WS_OPCODE_TEXT = 0x1,
			ANT_WS_OPCODE_BINARY = 0x2,
			ANT_WS_OPCODE_CLOSE = 0x8,
			ANT_WS_OPCODE_PING = 0x9,
			ANT_WS_OPCODE_PONG = 0xA,
			};

			typedef enum {
			ANT_WS_FRAME_INCOMPLETE = 0,
			ANT_WS_FRAME_OK,
			ANT_WS_FRAME_PROTOCOL_ERROR,
			} ant_ws_frame_result_t;

			typedef struct {
			uint8_t *payload;
			size_t payload_len;
			size_t consumed_len;
			ant_ws_opcode_t opcode;
			uint8_t mask[4];
			bool fin;
			bool masked;
			} ant_ws_frame_t;

			bool ant_ws_header_contains_token(const char value, const char token);
			bool ant_ws_validate_client_handshake(const ant_http_header_t headers, const char *key_out);
			const char ant_ws_find_header(const ant_http_header_t headers, const char *name);

			char ant_ws_accept_key(const char client_key);
			void ant_ws_frame_clear(ant_ws_frame_t *frame);

			ant_ws_frame_result_t ant_ws_parse_frame(
			const uint8_t *data,
			size_t len,
			bool require_mask,
			ant_ws_frame_t *out
			);

			uint8_t *ant_ws_encode_frame(
			ant_ws_opcode_t opcode,
			const uint8_t *payload,
			size_t payload_len,
			bool mask,
			size_t *out_len
			);

			uint8_t *ant_ws_encode_close_frame(
			uint16_t code,
			const char *reason,
			bool mask,
			size_t *out_len
			);

			#endif