Mercurial > hg > nginx-quic
annotate src/core/ngx_palloc.h @ 7983:39501ce97e29
gRPC: generate error when response size is wrong.
As long as the "Content-Length" header is given, we now make sure
it exactly matches the size of the response. If it doesn't,
the response is considered malformed and must not be forwarded
(https://tools.ietf.org/html/rfc7540#section-8.1.2.6). While it
is not really possible to "not forward" the response which is already
being forwarded, we generate an error instead, which is the closest
equivalent.
Previous behaviour was to pass everything to the client, but this
seems to be suboptimal and causes issues (ticket #1695). Also this
directly contradicts HTTP/2 specification requirements.
Note that the new behaviour for the gRPC proxy is more strict than that
applied in other variants of proxying. This is intentional, as HTTP/2
specification requires us to do so, while in other types of proxying
malformed responses from backends are well known and historically
tolerated.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 06 Jul 2020 18:36:25 +0300 |
parents | ef935cd7ed8d |
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rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_PALLOC_H_INCLUDED_ |
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9 #define _NGX_PALLOC_H_INCLUDED_ |
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12 #include <ngx_config.h> |
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13 #include <ngx_core.h> |
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16 /* |
589 | 17 * NGX_MAX_ALLOC_FROM_POOL should be (ngx_pagesize - 1), i.e. 4095 on x86. |
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18 * On Windows NT it decreases a number of locked pages in a kernel. |
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19 */ |
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20 #define NGX_MAX_ALLOC_FROM_POOL (ngx_pagesize - 1) |
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21 |
1200 | 22 #define NGX_DEFAULT_POOL_SIZE (16 * 1024) |
3388 | 23 |
24 #define NGX_POOL_ALIGNMENT 16 | |
1200 | 25 #define NGX_MIN_POOL_SIZE \ |
3388 | 26 ngx_align((sizeof(ngx_pool_t) + 2 * sizeof(ngx_pool_large_t)), \ |
27 NGX_POOL_ALIGNMENT) | |
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509 | 30 typedef void (*ngx_pool_cleanup_pt)(void *data); |
31 | |
32 typedef struct ngx_pool_cleanup_s ngx_pool_cleanup_t; | |
33 | |
34 struct ngx_pool_cleanup_s { | |
35 ngx_pool_cleanup_pt handler; | |
36 void *data; | |
37 ngx_pool_cleanup_t *next; | |
38 }; | |
39 | |
40 | |
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41 typedef struct ngx_pool_large_s ngx_pool_large_t; |
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42 |
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43 struct ngx_pool_large_s { |
509 | 44 ngx_pool_large_t *next; |
45 void *alloc; | |
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46 }; |
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48 |
2049 | 49 typedef struct { |
509 | 50 u_char *last; |
51 u_char *end; | |
2049 | 52 ngx_pool_t *next; |
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53 ngx_uint_t failed; |
2049 | 54 } ngx_pool_data_t; |
55 | |
56 | |
57 struct ngx_pool_s { | |
58 ngx_pool_data_t d; | |
59 size_t max; | |
581 | 60 ngx_pool_t *current; |
509 | 61 ngx_chain_t *chain; |
62 ngx_pool_large_t *large; | |
63 ngx_pool_cleanup_t *cleanup; | |
64 ngx_log_t *log; | |
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65 }; |
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67 |
509 | 68 typedef struct { |
69 ngx_fd_t fd; | |
70 u_char *name; | |
71 ngx_log_t *log; | |
72 } ngx_pool_cleanup_file_t; | |
73 | |
74 | |
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75 ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log); |
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76 void ngx_destroy_pool(ngx_pool_t *pool); |
2337 | 77 void ngx_reset_pool(ngx_pool_t *pool); |
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79 void *ngx_palloc(ngx_pool_t *pool, size_t size); |
2049 | 80 void *ngx_pnalloc(ngx_pool_t *pool, size_t size); |
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81 void *ngx_pcalloc(ngx_pool_t *pool, size_t size); |
2129 | 82 void *ngx_pmemalign(ngx_pool_t *pool, size_t size, size_t alignment); |
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83 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p); |
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563 | 86 ngx_pool_cleanup_t *ngx_pool_cleanup_add(ngx_pool_t *p, size_t size); |
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87 void ngx_pool_run_cleanup_file(ngx_pool_t *p, ngx_fd_t fd); |
509 | 88 void ngx_pool_cleanup_file(void *data); |
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89 void ngx_pool_delete_file(void *data); |
509 | 90 |
91 | |
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92 #endif /* _NGX_PALLOC_H_INCLUDED_ */ |