Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_process.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 | 8b84d60ef13d |
children |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #ifndef _NGX_PROCESS_H_INCLUDED_ |
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9 #define _NGX_PROCESS_H_INCLUDED_ |
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12 #include <ngx_setaffinity.h> |
531 | 13 #include <ngx_setproctitle.h> |
14 | |
15 | |
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16 typedef pid_t ngx_pid_t; |
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17 |
543 | 18 #define NGX_INVALID_PID -1 |
19 | |
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20 typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data); |
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21 |
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22 typedef struct { |
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23 ngx_pid_t pid; |
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24 int status; |
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25 ngx_socket_t channel[2]; |
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26 |
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27 ngx_spawn_proc_pt proc; |
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28 void *data; |
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29 char *name; |
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30 |
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31 unsigned respawn:1; |
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32 unsigned just_spawn:1; |
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33 unsigned detached:1; |
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34 unsigned exiting:1; |
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35 unsigned exited:1; |
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36 } ngx_process_t; |
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39 typedef struct { |
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40 char *path; |
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41 char *name; |
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42 char *const *argv; |
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43 char *const *envp; |
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44 } ngx_exec_ctx_t; |
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45 |
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47 #define NGX_MAX_PROCESSES 1024 |
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49 #define NGX_PROCESS_NORESPAWN -1 |
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50 #define NGX_PROCESS_JUST_SPAWN -2 |
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51 #define NGX_PROCESS_RESPAWN -3 |
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52 #define NGX_PROCESS_JUST_RESPAWN -4 |
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53 #define NGX_PROCESS_DETACHED -5 |
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54 |
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56 #define ngx_getpid getpid |
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57 #define ngx_getppid getppid |
559 | 58 |
59 #ifndef ngx_log_pid | |
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60 #define ngx_log_pid ngx_pid |
559 | 61 #endif |
62 | |
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64 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle, |
493 | 65 ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn); |
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66 ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx); |
539 | 67 ngx_int_t ngx_init_signals(ngx_log_t *log); |
461 | 68 void ngx_debug_point(void); |
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69 |
455 | 70 |
71 #if (NGX_HAVE_SCHED_YIELD) | |
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72 #define ngx_sched_yield() sched_yield() |
455 | 73 #else |
74 #define ngx_sched_yield() usleep(1) | |
75 #endif | |
76 | |
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77 |
452 | 78 extern int ngx_argc; |
79 extern char **ngx_argv; | |
80 extern char **ngx_os_argv; | |
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81 |
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82 extern ngx_pid_t ngx_pid; |
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83 extern ngx_pid_t ngx_parent; |
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84 extern ngx_socket_t ngx_channel; |
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85 extern ngx_int_t ngx_process_slot; |
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86 extern ngx_int_t ngx_last_process; |
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87 extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES]; |
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88 |
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90 #endif /* _NGX_PROCESS_H_INCLUDED_ */ |