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/*
* Copyright (C) 2015-2020 "IoT.bzh"
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* This work is a far adaptation of apache-websocket:
* origin: https://github.com/disconnect/apache-websocket
* commit: cfaef071223f11ba016bff7e1e4b7c9e5df45b50
* Copyright 2010-2012 self.disconnect (APACHE-2)
*/
#pragma once
struct iovec;
#define WEBSOCKET_CODE_OK 1000
#define WEBSOCKET_CODE_GOING_AWAY 1001
#define WEBSOCKET_CODE_PROTOCOL_ERROR 1002
#define WEBSOCKET_CODE_CANT_ACCEPT 1003
#define WEBSOCKET_CODE_RESERVED 1004
#define WEBSOCKET_CODE_NOT_SET 1005
#define WEBSOCKET_CODE_ABNORMAL 1006
#define WEBSOCKET_CODE_INVALID_UTF8 1007
#define WEBSOCKET_CODE_POLICY_VIOLATION 1008
#define WEBSOCKET_CODE_MESSAGE_TOO_LARGE 1009
#define WEBSOCKET_CODE_INTERNAL_ERROR 1011
struct websock_itf {
ssize_t (*writev) (void *, const struct iovec *, int);
ssize_t (*readv) (void *, const struct iovec *, int);
void (*on_ping) (void *, size_t size); /* optional, if not NULL, responsible of pong */
void (*on_pong) (void *, size_t size); /* optional */
void (*on_close) (void *, uint16_t code, size_t size);
void (*on_text) (void *, int last, size_t size);
void (*on_binary) (void *, int last, size_t size);
void (*on_continue) (void *, int last, size_t size);
int (*on_extension) (void *, int last, int rsv1, int rsv2, int rsv3, int opcode, size_t size);
void (*on_error) (void *, uint16_t code, const void *data, size_t size); /* optional */
};
struct websock;
extern int websock_close_empty(struct websock *ws);
extern int websock_close(struct websock *ws, uint16_t code, const void *data, size_t length);
extern int websock_error(struct websock *ws, uint16_t code, const void *data, size_t length);
extern int websock_ping(struct websock *ws, const void *data, size_t length);
extern int websock_pong(struct websock *ws, const void *data, size_t length);
extern int websock_text(struct websock *ws, int last, const void *text, size_t length);
extern int websock_text_v(struct websock *ws, int last, const struct iovec *iovec, int count);
extern int websock_binary(struct websock *ws, int last, const void *data, size_t length);
extern int websock_binary_v(struct websock *ws, int last, const struct iovec *iovec, int count);
extern int websock_continue(struct websock *ws, int last, const void *data, size_t length);
extern int websock_continue_v(struct websock *ws, int last, const struct iovec *iovec, int count);
extern ssize_t websock_read(struct websock *ws, void *buffer, size_t size);
extern int websock_drop(struct websock *ws);
extern int websock_dispatch(struct websock *ws, int loop);
extern struct websock *websock_create_v13(const struct websock_itf *itf, void *closure);
extern void websock_destroy(struct websock *ws);
extern void websock_set_default_max_length(size_t maxlen);
extern void websock_set_max_length(struct websock *ws, size_t maxlen);
extern const char *websocket_explain_error(uint16_t code);
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