Mercurial > hg > nginx
annotate src/http/v2/ngx_http_v2_table.c @ 8514:52c88f41d24c quic
QUIC: handling packets with send time equal to lost send time.
Previously, such packets weren't handled as the resulting zero remaining time
prevented setting the loss detection timer, which, instead, could be disarmed.
For implementation details, see quic-recovery draft 29, appendix A.10.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 19 Aug 2020 13:24:30 +0300 |
parents | 87e9e4aabf1b |
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rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 * Copyright (C) Valentin V. Bartenev |
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
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13 #define NGX_HTTP_V2_TABLE_SIZE 4096 |
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14 |
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15 |
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16 static ngx_int_t ngx_http_v2_table_account(ngx_http_v2_connection_t *h2c, |
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17 size_t size); |
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18 |
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19 |
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20 static ngx_http_v2_header_t ngx_http_v2_static_table[] = { |
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21 { ngx_string(":authority"), ngx_string("") }, |
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22 { ngx_string(":method"), ngx_string("GET") }, |
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23 { ngx_string(":method"), ngx_string("POST") }, |
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24 { ngx_string(":path"), ngx_string("/") }, |
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25 { ngx_string(":path"), ngx_string("/index.html") }, |
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26 { ngx_string(":scheme"), ngx_string("http") }, |
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27 { ngx_string(":scheme"), ngx_string("https") }, |
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28 { ngx_string(":status"), ngx_string("200") }, |
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29 { ngx_string(":status"), ngx_string("204") }, |
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30 { ngx_string(":status"), ngx_string("206") }, |
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31 { ngx_string(":status"), ngx_string("304") }, |
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32 { ngx_string(":status"), ngx_string("400") }, |
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33 { ngx_string(":status"), ngx_string("404") }, |
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34 { ngx_string(":status"), ngx_string("500") }, |
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35 { ngx_string("accept-charset"), ngx_string("") }, |
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36 { ngx_string("accept-encoding"), ngx_string("gzip, deflate") }, |
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37 { ngx_string("accept-language"), ngx_string("") }, |
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38 { ngx_string("accept-ranges"), ngx_string("") }, |
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39 { ngx_string("accept"), ngx_string("") }, |
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40 { ngx_string("access-control-allow-origin"), ngx_string("") }, |
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41 { ngx_string("age"), ngx_string("") }, |
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42 { ngx_string("allow"), ngx_string("") }, |
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43 { ngx_string("authorization"), ngx_string("") }, |
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44 { ngx_string("cache-control"), ngx_string("") }, |
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45 { ngx_string("content-disposition"), ngx_string("") }, |
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46 { ngx_string("content-encoding"), ngx_string("") }, |
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47 { ngx_string("content-language"), ngx_string("") }, |
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48 { ngx_string("content-length"), ngx_string("") }, |
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49 { ngx_string("content-location"), ngx_string("") }, |
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50 { ngx_string("content-range"), ngx_string("") }, |
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51 { ngx_string("content-type"), ngx_string("") }, |
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52 { ngx_string("cookie"), ngx_string("") }, |
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53 { ngx_string("date"), ngx_string("") }, |
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54 { ngx_string("etag"), ngx_string("") }, |
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55 { ngx_string("expect"), ngx_string("") }, |
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56 { ngx_string("expires"), ngx_string("") }, |
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57 { ngx_string("from"), ngx_string("") }, |
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58 { ngx_string("host"), ngx_string("") }, |
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59 { ngx_string("if-match"), ngx_string("") }, |
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60 { ngx_string("if-modified-since"), ngx_string("") }, |
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61 { ngx_string("if-none-match"), ngx_string("") }, |
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62 { ngx_string("if-range"), ngx_string("") }, |
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63 { ngx_string("if-unmodified-since"), ngx_string("") }, |
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64 { ngx_string("last-modified"), ngx_string("") }, |
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65 { ngx_string("link"), ngx_string("") }, |
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66 { ngx_string("location"), ngx_string("") }, |
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67 { ngx_string("max-forwards"), ngx_string("") }, |
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68 { ngx_string("proxy-authenticate"), ngx_string("") }, |
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69 { ngx_string("proxy-authorization"), ngx_string("") }, |
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70 { ngx_string("range"), ngx_string("") }, |
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71 { ngx_string("referer"), ngx_string("") }, |
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72 { ngx_string("refresh"), ngx_string("") }, |
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73 { ngx_string("retry-after"), ngx_string("") }, |
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74 { ngx_string("server"), ngx_string("") }, |
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75 { ngx_string("set-cookie"), ngx_string("") }, |
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76 { ngx_string("strict-transport-security"), ngx_string("") }, |
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77 { ngx_string("transfer-encoding"), ngx_string("") }, |
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78 { ngx_string("user-agent"), ngx_string("") }, |
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79 { ngx_string("vary"), ngx_string("") }, |
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80 { ngx_string("via"), ngx_string("") }, |
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81 { ngx_string("www-authenticate"), ngx_string("") }, |
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82 }; |
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83 |
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84 #define NGX_HTTP_V2_STATIC_TABLE_ENTRIES \ |
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85 (sizeof(ngx_http_v2_static_table) \ |
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86 / sizeof(ngx_http_v2_header_t)) |
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87 |
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88 |
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89 ngx_str_t * |
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90 ngx_http_v2_get_static_name(ngx_uint_t index) |
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91 { |
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92 return &ngx_http_v2_static_table[index - 1].name; |
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93 } |
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94 |
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95 |
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96 ngx_str_t * |
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97 ngx_http_v2_get_static_value(ngx_uint_t index) |
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98 { |
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99 return &ngx_http_v2_static_table[index - 1].value; |
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100 } |
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101 |
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102 |
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103 ngx_int_t |
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104 ngx_http_v2_get_indexed_header(ngx_http_v2_connection_t *h2c, ngx_uint_t index, |
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105 ngx_uint_t name_only) |
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106 { |
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107 u_char *p; |
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108 size_t rest; |
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|
109 ngx_http_v2_header_t *entry; |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
110 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
111 if (index == 0) { |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
112 ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
113 "client sent invalid hpack table index 0"); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
114 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
115 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
116 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
117 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
118 "http2 get indexed %s: %ui", |
7107
d4b031cf32cf
HTTP/2: fixed debug log about indexed headers.
Maxim Dounin <mdounin@mdounin.ru>
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6246
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|
119 name_only ? "name" : "header", index); |
6246
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
120 |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
121 index--; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
122 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
123 if (index < NGX_HTTP_V2_STATIC_TABLE_ENTRIES) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
124 h2c->state.header = ngx_http_v2_static_table[index]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
125 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
126 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
127 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
128 index -= NGX_HTTP_V2_STATIC_TABLE_ENTRIES; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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129 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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130 if (index < h2c->hpack.added - h2c->hpack.deleted) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
131 index = (h2c->hpack.added - index - 1) % h2c->hpack.allocated; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
132 entry = h2c->hpack.entries[index]; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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133 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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134 p = ngx_pnalloc(h2c->state.pool, entry->name.len + 1); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
135 if (p == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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136 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
137 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
138 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
139 h2c->state.header.name.len = entry->name.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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140 h2c->state.header.name.data = p; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
141 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
142 rest = h2c->hpack.storage + NGX_HTTP_V2_TABLE_SIZE - entry->name.data; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
143 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
144 if (entry->name.len > rest) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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145 p = ngx_cpymem(p, entry->name.data, rest); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
146 p = ngx_cpymem(p, h2c->hpack.storage, entry->name.len - rest); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
147 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
148 } else { |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
149 p = ngx_cpymem(p, entry->name.data, entry->name.len); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
150 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
151 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
152 *p = '\0'; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
153 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
154 if (name_only) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
155 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
156 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
157 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
158 p = ngx_pnalloc(h2c->state.pool, entry->value.len + 1); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
159 if (p == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
160 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
161 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
162 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
163 h2c->state.header.value.len = entry->value.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
164 h2c->state.header.value.data = p; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
165 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
166 rest = h2c->hpack.storage + NGX_HTTP_V2_TABLE_SIZE - entry->value.data; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
167 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
168 if (entry->value.len > rest) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
169 p = ngx_cpymem(p, entry->value.data, rest); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
170 p = ngx_cpymem(p, h2c->hpack.storage, entry->value.len - rest); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
171 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
172 } else { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
173 p = ngx_cpymem(p, entry->value.data, entry->value.len); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
174 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
175 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
176 *p = '\0'; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
177 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
178 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
179 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
180 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
181 ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
182 "client sent out of bound hpack table index: %ui", index); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
183 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
184 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
185 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
186 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
187 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
188 ngx_int_t |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
189 ngx_http_v2_add_header(ngx_http_v2_connection_t *h2c, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
190 ngx_http_v2_header_t *header) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
191 { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
192 size_t avail; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
193 ngx_uint_t index; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
194 ngx_http_v2_header_t *entry, **entries; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
195 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
196 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0, |
7108
2bf605c6edf7
HTTP/2: shortened some debug log messages.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7107
diff
changeset
|
197 "http2 table add: \"%V: %V\"", |
6246
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
198 &header->name, &header->value); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
199 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
200 if (h2c->hpack.entries == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
201 h2c->hpack.allocated = 64; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
202 h2c->hpack.size = NGX_HTTP_V2_TABLE_SIZE; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
203 h2c->hpack.free = NGX_HTTP_V2_TABLE_SIZE; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
204 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
205 h2c->hpack.entries = ngx_palloc(h2c->connection->pool, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
206 sizeof(ngx_http_v2_header_t *) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
207 * h2c->hpack.allocated); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
208 if (h2c->hpack.entries == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
209 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
210 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
211 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
212 h2c->hpack.storage = ngx_palloc(h2c->connection->pool, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
213 h2c->hpack.free); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
214 if (h2c->hpack.storage == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
215 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
216 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
217 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
218 h2c->hpack.pos = h2c->hpack.storage; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
219 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
220 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
221 if (ngx_http_v2_table_account(h2c, header->name.len + header->value.len) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
222 != NGX_OK) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
223 { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
224 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
225 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
226 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
227 if (h2c->hpack.reused == h2c->hpack.deleted) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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228 entry = ngx_palloc(h2c->connection->pool, sizeof(ngx_http_v2_header_t)); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
229 if (entry == NULL) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
230 return NGX_ERROR; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
231 } |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
232 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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233 } else { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
234 entry = h2c->hpack.entries[h2c->hpack.reused++ % h2c->hpack.allocated]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
235 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
236 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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|
237 avail = h2c->hpack.storage + NGX_HTTP_V2_TABLE_SIZE - h2c->hpack.pos; |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
238 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
239 entry->name.len = header->name.len; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
240 entry->name.data = h2c->hpack.pos; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
241 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
242 if (avail >= header->name.len) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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243 h2c->hpack.pos = ngx_cpymem(h2c->hpack.pos, header->name.data, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
244 header->name.len); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
245 } else { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
246 ngx_memcpy(h2c->hpack.pos, header->name.data, avail); |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
247 h2c->hpack.pos = ngx_cpymem(h2c->hpack.storage, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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248 header->name.data + avail, |
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The HTTP/2 implementation (RFC 7240, 7241).
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diff
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|
249 header->name.len - avail); |
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The HTTP/2 implementation (RFC 7240, 7241).
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diff
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250 avail = NGX_HTTP_V2_TABLE_SIZE; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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251 } |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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252 |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
253 avail -= header->name.len; |
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The HTTP/2 implementation (RFC 7240, 7241).
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254 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
255 entry->value.len = header->value.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
256 entry->value.data = h2c->hpack.pos; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
257 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
258 if (avail >= header->value.len) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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259 h2c->hpack.pos = ngx_cpymem(h2c->hpack.pos, header->value.data, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
260 header->value.len); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
261 } else { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
262 ngx_memcpy(h2c->hpack.pos, header->value.data, avail); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
263 h2c->hpack.pos = ngx_cpymem(h2c->hpack.storage, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
264 header->value.data + avail, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
265 header->value.len - avail); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
266 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
267 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
268 if (h2c->hpack.allocated == h2c->hpack.added - h2c->hpack.deleted) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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|
269 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
270 entries = ngx_palloc(h2c->connection->pool, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
271 sizeof(ngx_http_v2_header_t *) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
272 * (h2c->hpack.allocated + 64)); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
273 if (entries == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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274 return NGX_ERROR; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
275 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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|
276 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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|
277 index = h2c->hpack.deleted % h2c->hpack.allocated; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
278 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
279 ngx_memcpy(entries, &h2c->hpack.entries[index], |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
280 (h2c->hpack.allocated - index) |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
281 * sizeof(ngx_http_v2_header_t *)); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
282 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
283 ngx_memcpy(&entries[h2c->hpack.allocated - index], h2c->hpack.entries, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
284 index * sizeof(ngx_http_v2_header_t *)); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
285 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
286 (void) ngx_pfree(h2c->connection->pool, h2c->hpack.entries); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
287 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
288 h2c->hpack.entries = entries; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
289 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
290 h2c->hpack.added = h2c->hpack.allocated; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
291 h2c->hpack.deleted = 0; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
292 h2c->hpack.reused = 0; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
293 h2c->hpack.allocated += 64; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
294 } |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
295 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
296 h2c->hpack.entries[h2c->hpack.added++ % h2c->hpack.allocated] = entry; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
297 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
298 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
299 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
300 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
301 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
302 static ngx_int_t |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
303 ngx_http_v2_table_account(ngx_http_v2_connection_t *h2c, size_t size) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
304 { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
305 ngx_http_v2_header_t *entry; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
306 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
307 size += 32; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
308 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
309 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0, |
7108
2bf605c6edf7
HTTP/2: shortened some debug log messages.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7107
diff
changeset
|
310 "http2 table account: %uz free:%uz", |
6246
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
311 size, h2c->hpack.free); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
312 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
313 if (size <= h2c->hpack.free) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
314 h2c->hpack.free -= size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
315 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
316 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
317 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
318 if (size > h2c->hpack.size) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
319 h2c->hpack.deleted = h2c->hpack.added; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
320 h2c->hpack.free = h2c->hpack.size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
321 return NGX_DECLINED; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
322 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
323 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
324 do { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
325 entry = h2c->hpack.entries[h2c->hpack.deleted++ % h2c->hpack.allocated]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
326 h2c->hpack.free += 32 + entry->name.len + entry->value.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
327 } while (size > h2c->hpack.free); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
328 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
329 h2c->hpack.free -= size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
330 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
331 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
332 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
333 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
334 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
335 ngx_int_t |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
336 ngx_http_v2_table_size(ngx_http_v2_connection_t *h2c, size_t size) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
337 { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
338 ssize_t needed; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
339 ngx_http_v2_header_t *entry; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
340 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
341 if (size > NGX_HTTP_V2_TABLE_SIZE) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
342 ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
343 "client sent invalid table size update: %uz", size); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
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344 |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
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345 return NGX_ERROR; |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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346 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
347 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
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changeset
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348 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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349 "http2 new hpack table size: %uz was:%uz", |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
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350 size, h2c->hpack.size); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
351 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
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352 needed = h2c->hpack.size - size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
353 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
354 while (needed > (ssize_t) h2c->hpack.free) { |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
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355 entry = h2c->hpack.entries[h2c->hpack.deleted++ % h2c->hpack.allocated]; |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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356 h2c->hpack.free += 32 + entry->name.len + entry->value.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
357 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
358 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
359 h2c->hpack.size = size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
360 h2c->hpack.free -= needed; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
361 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
362 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
363 } |