8215
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1
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2 /*
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3 * Copyright (C) Roman Arutyunyan
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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7
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8 #ifndef _NGX_HTTP_V3_H_INCLUDED_
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9 #define _NGX_HTTP_V3_H_INCLUDED_
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10
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_http.h>
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15
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16
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17 #define NGX_HTTP_V3_STREAM 0x48335354 /* "H3ST" */
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18
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19
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20 #define NGX_HTTP_V3_VARLEN_INT_LEN 4
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21 #define NGX_HTTP_V3_PREFIX_INT_LEN 11
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22
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23
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24 typedef struct {
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25 ngx_http_connection_t hc;
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26
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27 ngx_array_t *dynamic;
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28
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29 ngx_connection_t *client_encoder;
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30 ngx_connection_t *client_decoder;
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31 ngx_connection_t *server_encoder;
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32 ngx_connection_t *server_decoder;
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33 } ngx_http_v3_connection_t;
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34
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35
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36 typedef struct {
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37 ngx_str_t name;
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38 ngx_str_t value;
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39 } ngx_http_v3_header_t;
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40
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41
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42 ngx_int_t ngx_http_v3_parse_header(ngx_http_request_t *r, ngx_buf_t *b,
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43 ngx_uint_t pseudo);
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44 ngx_chain_t *ngx_http_v3_create_header(ngx_http_request_t *r);
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45
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46
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47 uintptr_t ngx_http_v3_encode_varlen_int(u_char *p, uint64_t value);
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48 uintptr_t ngx_http_v3_encode_prefix_int(u_char *p, uint64_t value,
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49 ngx_uint_t prefix);
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50 uint64_t ngx_http_v3_decode_varlen_int(u_char *p);
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51 int64_t ngx_http_v3_decode_prefix_int(u_char **src, size_t len,
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52 ngx_uint_t prefix);
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53 ngx_int_t ngx_http_v3_decode_huffman(ngx_connection_t *c, ngx_str_t *s);
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54
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55 void ngx_http_v3_handle_client_uni_stream(ngx_connection_t *c);
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56
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57 ngx_int_t ngx_http_v3_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
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58 ngx_uint_t index, ngx_str_t *value);
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59 ngx_int_t ngx_http_v3_insert(ngx_connection_t *c, ngx_str_t *name,
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60 ngx_str_t *value);
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61 ngx_int_t ngx_http_v3_set_capacity(ngx_connection_t *c, ngx_uint_t capacity);
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62 ngx_int_t ngx_http_v3_duplicate(ngx_connection_t *c, ngx_uint_t index);
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63 ngx_int_t ngx_http_v3_ack_header(ngx_connection_t *c, ngx_uint_t stream_id);
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64 ngx_int_t ngx_http_v3_cancel_stream(ngx_connection_t *c, ngx_uint_t stream_id);
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65 ngx_int_t ngx_http_v3_inc_insert_count(ngx_connection_t *c, ngx_uint_t inc);
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66 ngx_http_v3_header_t *ngx_http_v3_lookup_table(ngx_connection_t *c,
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67 ngx_uint_t dynamic, ngx_uint_t index);
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68 ngx_int_t ngx_http_v3_check_insert_count(ngx_connection_t *c,
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69 ngx_uint_t insert_count);
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70
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71 ngx_int_t ngx_http_v3_client_ref_insert(ngx_connection_t *c, ngx_uint_t dynamic,
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72 ngx_uint_t index, ngx_str_t *value);
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73 ngx_int_t ngx_http_v3_client_insert(ngx_connection_t *c, ngx_str_t *name,
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74 ngx_str_t *value);
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75 ngx_int_t ngx_http_v3_client_set_capacity(ngx_connection_t *c,
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76 ngx_uint_t capacity);
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77 ngx_int_t ngx_http_v3_client_duplicate(ngx_connection_t *c, ngx_uint_t index);
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78 ngx_int_t ngx_http_v3_client_ack_header(ngx_connection_t *c,
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79 ngx_uint_t stream_id);
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80 ngx_int_t ngx_http_v3_client_cancel_stream(ngx_connection_t *c,
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81 ngx_uint_t stream_id);
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82 ngx_int_t ngx_http_v3_client_inc_insert_count(ngx_connection_t *c,
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83 ngx_uint_t inc);
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84
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85
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86 extern ngx_module_t ngx_http_v3_module;
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87
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88
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89 #endif /* _NGX_HTTP_V3_H_INCLUDED_ */
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