Mercurial > hg > nginx
annotate src/http/v2/ngx_http_v2_table.c @ 7190:e11a0679d349
HTTP/2: handle duplicate INITIAL_WINDOW_SIZE settings.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Mon, 29 Jan 2018 15:54:36 +0300 |
parents | 2bf605c6edf7 |
children | 87e9e4aabf1b |
rev | line source |
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The HTTP/2 implementation (RFC 7240, 7241).
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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_int_t |
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90 ngx_http_v2_get_indexed_header(ngx_http_v2_connection_t *h2c, ngx_uint_t index, |
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91 ngx_uint_t name_only) |
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92 { |
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93 u_char *p; |
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94 size_t rest; |
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95 ngx_http_v2_header_t *entry; |
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96 |
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97 if (index == 0) { |
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98 ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0, |
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99 "client sent invalid hpack table index 0"); |
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100 return NGX_ERROR; |
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101 } |
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102 |
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103 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0, |
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104 "http2 get indexed %s: %ui", |
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105 name_only ? "name" : "header", index); |
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106 |
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107 index--; |
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108 |
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109 if (index < NGX_HTTP_V2_STATIC_TABLE_ENTRIES) { |
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110 h2c->state.header = ngx_http_v2_static_table[index]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
111 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
112 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
113 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
114 index -= NGX_HTTP_V2_STATIC_TABLE_ENTRIES; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
115 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
116 if (index < h2c->hpack.added - h2c->hpack.deleted) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
117 index = (h2c->hpack.added - index - 1) % h2c->hpack.allocated; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
118 entry = h2c->hpack.entries[index]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
119 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
120 p = ngx_pnalloc(h2c->state.pool, entry->name.len + 1); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
121 if (p == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
122 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
123 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
124 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
125 h2c->state.header.name.len = entry->name.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
126 h2c->state.header.name.data = p; |
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
changeset
|
128 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
changeset
|
129 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
130 if (entry->name.len > rest) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
131 p = ngx_cpymem(p, entry->name.data, rest); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
132 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
changeset
|
133 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
134 } else { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
135 p = ngx_cpymem(p, entry->name.data, entry->name.len); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
136 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
137 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
138 *p = '\0'; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
139 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
140 if (name_only) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
141 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
142 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
143 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
144 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
|
145 if (p == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
146 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
147 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
148 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
149 h2c->state.header.value.len = entry->value.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
150 h2c->state.header.value.data = p; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
151 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
152 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
|
153 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
154 if (entry->value.len > rest) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
155 p = ngx_cpymem(p, entry->value.data, rest); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
156 p = ngx_cpymem(p, h2c->hpack.storage, entry->value.len - rest); |
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
changeset
|
158 } else { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
159 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
|
160 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
161 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
162 *p = '\0'; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
163 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
164 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
165 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
166 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
167 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
|
168 "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
|
169 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
170 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
171 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
172 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
173 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
174 ngx_int_t |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
175 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
|
176 ngx_http_v2_header_t *header) |
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 size_t avail; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
179 ngx_uint_t index; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
180 ngx_http_v2_header_t *entry, **entries; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
181 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
182 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
|
183 "http2 table add: \"%V: %V\"", |
6246
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
184 &header->name, &header->value); |
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 if (h2c->hpack.entries == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
187 h2c->hpack.allocated = 64; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
188 h2c->hpack.size = NGX_HTTP_V2_TABLE_SIZE; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
189 h2c->hpack.free = NGX_HTTP_V2_TABLE_SIZE; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
190 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
191 h2c->hpack.entries = ngx_palloc(h2c->connection->pool, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
192 sizeof(ngx_http_v2_header_t *) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
193 * h2c->hpack.allocated); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
194 if (h2c->hpack.entries == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
195 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
196 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
197 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
198 h2c->hpack.storage = ngx_palloc(h2c->connection->pool, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
199 h2c->hpack.free); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
200 if (h2c->hpack.storage == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
201 return NGX_ERROR; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
202 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
203 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
204 h2c->hpack.pos = h2c->hpack.storage; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
205 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
206 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
207 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
|
208 != NGX_OK) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
209 { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
210 return NGX_OK; |
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 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
213 if (h2c->hpack.reused == h2c->hpack.deleted) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
214 entry = ngx_palloc(h2c->connection->pool, sizeof(ngx_http_v2_header_t)); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
215 if (entry == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
216 return NGX_ERROR; |
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 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
219 } else { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
220 entry = h2c->hpack.entries[h2c->hpack.reused++ % h2c->hpack.allocated]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
221 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
222 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
223 avail = h2c->hpack.storage + NGX_HTTP_V2_TABLE_SIZE - h2c->hpack.pos; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
224 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
225 entry->name.len = header->name.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
226 entry->name.data = h2c->hpack.pos; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
227 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
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228 if (avail >= header->name.len) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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229 h2c->hpack.pos = ngx_cpymem(h2c->hpack.pos, header->name.data, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
230 header->name.len); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
231 } else { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
232 ngx_memcpy(h2c->hpack.pos, header->name.data, avail); |
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The HTTP/2 implementation (RFC 7240, 7241).
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233 h2c->hpack.pos = ngx_cpymem(h2c->hpack.storage, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
234 header->name.data + avail, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
235 header->name.len - avail); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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236 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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237 } |
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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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|
239 avail -= header->name.len; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
240 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
241 entry->value.len = header->value.len; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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242 entry->value.data = h2c->hpack.pos; |
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The HTTP/2 implementation (RFC 7240, 7241).
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243 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
244 if (avail >= header->value.len) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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245 h2c->hpack.pos = ngx_cpymem(h2c->hpack.pos, header->value.data, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
246 header->value.len); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
247 } else { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
248 ngx_memcpy(h2c->hpack.pos, header->value.data, avail); |
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The HTTP/2 implementation (RFC 7240, 7241).
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249 h2c->hpack.pos = ngx_cpymem(h2c->hpack.storage, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
250 header->value.data + avail, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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251 header->value.len - avail); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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252 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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|
253 |
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The HTTP/2 implementation (RFC 7240, 7241).
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254 if (h2c->hpack.allocated == h2c->hpack.added - h2c->hpack.deleted) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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255 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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256 entries = ngx_palloc(h2c->connection->pool, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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257 sizeof(ngx_http_v2_header_t *) |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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258 * (h2c->hpack.allocated + 64)); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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259 if (entries == NULL) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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260 return NGX_ERROR; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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261 } |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
262 |
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The HTTP/2 implementation (RFC 7240, 7241).
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263 index = h2c->hpack.deleted % h2c->hpack.allocated; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
264 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
265 ngx_memcpy(entries, &h2c->hpack.entries[index], |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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266 (h2c->hpack.allocated - index) |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
267 * sizeof(ngx_http_v2_header_t *)); |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
268 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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diff
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|
269 ngx_memcpy(&entries[h2c->hpack.allocated - index], h2c->hpack.entries, |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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270 index * sizeof(ngx_http_v2_header_t *)); |
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The HTTP/2 implementation (RFC 7240, 7241).
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271 |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
272 (void) ngx_pfree(h2c->connection->pool, h2c->hpack.entries); |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
273 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
274 h2c->hpack.entries = entries; |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
275 |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
276 h2c->hpack.added = h2c->hpack.allocated; |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
277 h2c->hpack.deleted = 0; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
278 h2c->hpack.reused = 0; |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
279 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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|
280 } |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
281 |
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The HTTP/2 implementation (RFC 7240, 7241).
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|
282 h2c->hpack.entries[h2c->hpack.added++ % h2c->hpack.allocated] = entry; |
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The HTTP/2 implementation (RFC 7240, 7241).
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diff
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|
283 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
284 return NGX_OK; |
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 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
287 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
288 static ngx_int_t |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
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|
289 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
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|
290 { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
291 ngx_http_v2_header_t *entry; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
292 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
293 size += 32; |
257b51c37c5a
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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diff
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|
295 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
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|
296 "http2 table account: %uz free:%uz", |
6246
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
297 size, h2c->hpack.free); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
298 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
299 if (size <= h2c->hpack.free) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
300 h2c->hpack.free -= size; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
301 return NGX_OK; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
302 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
303 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
304 if (size > h2c->hpack.size) { |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
305 h2c->hpack.deleted = h2c->hpack.added; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
306 h2c->hpack.free = h2c->hpack.size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
307 return NGX_DECLINED; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
308 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
309 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
310 do { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
311 entry = h2c->hpack.entries[h2c->hpack.deleted++ % h2c->hpack.allocated]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
312 h2c->hpack.free += 32 + entry->name.len + entry->value.len; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
313 } while (size > h2c->hpack.free); |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
314 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
315 h2c->hpack.free -= size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
316 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
317 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
318 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
319 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
320 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
321 ngx_int_t |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
322 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
|
323 { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
324 ssize_t needed; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
325 ngx_http_v2_header_t *entry; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
326 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
327 if (size > NGX_HTTP_V2_TABLE_SIZE) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
328 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
|
329 "client sent invalid table size update: %uz", 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_ERROR; |
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 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0, |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
335 "http2 new hpack table size: %uz was:%uz", |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
336 size, h2c->hpack.size); |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
337 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
338 needed = h2c->hpack.size - size; |
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The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
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|
339 |
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The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
|
340 while (needed > (ssize_t) h2c->hpack.free) { |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
341 entry = h2c->hpack.entries[h2c->hpack.deleted++ % h2c->hpack.allocated]; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
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parents:
diff
changeset
|
342 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
|
343 } |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
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|
344 |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
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345 h2c->hpack.size = size; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
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346 h2c->hpack.free -= needed; |
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:
diff
changeset
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348 return NGX_OK; |
257b51c37c5a
The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff
changeset
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349 } |