lws-proxy-v2.h

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/*
 * libwebsockets - small server side websockets and web server implementation
 *
 * Copyright (C) 2010 - 2026 Andy Green <andy@warmcat.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

 
/* the most of a header we accept: addresses and a few small TLVs */
#define LWS_PROXY_V2_MAX                (16 + 512)
 
typedef struct lws_proxy_v2 {
        lws_sockaddr46          src;    
        lws_sockaddr46          dst;    
        char                    authority[256];
        char                    alpn[64]; 
        uint8_t                 local;  
        uint8_t                 dgram;  
} lws_proxy_v2_t;

LWS_VISIBLE LWS_EXTERN int
lws_proxy_v2_header_len(const uint8_t *buf, size_t len);

LWS_VISIBLE LWS_EXTERN int
lws_proxy_v2_parse(const uint8_t *buf, size_t len, lws_proxy_v2_t *pv);

LWS_VISIBLE LWS_EXTERN int
lws_proxy_v2_render(const lws_proxy_v2_t *pv, uint8_t *buf, size_t len);