lsquic_headers.h revision 3b55e6ae 
1/* Copyright (c) 2017 - 2018 LiteSpeed Technologies Inc.  See LICENSE. */
2#ifndef LSQUIC_HEADERS_H
3#define LSQUIC_HEADERS_H 1
4
5#include <stdint.h>
6
7/* When ea_hsi_if is not specified, the headers are converted to a C string
8 * that contains HTTP/1.x-like header structure.
9 */
10struct http1x_headers
11{
12    unsigned        h1h_size; /* Number of characters in h1h_buf, not
13                               * counting the NUL byte.
14                               */
15    unsigned        h1h_off;  /* Reading offset */
16    char           *h1h_buf;
17};
18
19
20/* This struct is used to return decoded HEADERS and PUSH_PROMISE frames.
21 * Some of the fields are only used for HEADERS frames.  They are marked
22 * with "H" comment below.
23 */
24struct uncompressed_headers
25{
26    uint32_t               uh_stream_id;
27    uint32_t               uh_oth_stream_id; /* For HEADERS frame, the ID of the
28                                              * stream that this stream depends
29                                              * on.  (Zero means unset.) For
30                                              * PUSH_PROMISE, the promised stream
31                                              * ID.
32                                              */
33    unsigned short /* H */ uh_weight;        /* 1 - 256; 0 means not set */
34    signed char    /* H */ uh_exclusive;     /* 0 or 1 when set; -1 means not set */
35    enum {
36                   /* H */ UH_FIN  = (1 << 0),
37                           UH_PP   = (1 << 1), /* Push promise */
38                           UH_H1H  = (1 << 2),  /* uh_hset points to http1x_headers */
39    }                      uh_flags:8;
40    void                  *uh_hset;
41};
42
43#endif
44