annotate src/core/ngx_thread_pool.h @ 7746:88eca63261c3

gRPC: RST_STREAM(NO_ERROR) handling after "trailer only" responses. Similarly to the problem fixed in 2096b21fcd10 (ticket #1792), when a "trailer only" gRPC response (that is, a response with the END_STREAM flag in the HEADERS frame) was immediately followed by RST_STREAM(NO_ERROR) in the data preread along with the response header, RST_STREAM wasn't properly skipped and caused "upstream rejected request with error 0" errors. Observed with "unknown service" gRPC errors returned by grpc-go. Fix is to set ctx->done if we are going to parse additional data, so the RST_STREAM(NO_ERROR) is properly skipped. Additionally, now ngx_http_grpc_filter() will complain about frames sent for closed stream if there are any.
author Pavel Pautov <p.pautov@f5.com>
date Wed, 18 Nov 2020 18:41:16 -0800
parents 466bd63b63d1
children
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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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8 #ifndef _NGX_THREAD_POOL_H_INCLUDED_
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9 #define _NGX_THREAD_POOL_H_INCLUDED_
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_event.h>
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17 struct ngx_thread_task_s {
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18 ngx_thread_task_t *next;
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19 ngx_uint_t id;
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20 void *ctx;
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21 void (*handler)(void *data, ngx_log_t *log);
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22 ngx_event_t event;
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23 };
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26 typedef struct ngx_thread_pool_s ngx_thread_pool_t;
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29 ngx_thread_pool_t *ngx_thread_pool_add(ngx_conf_t *cf, ngx_str_t *name);
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30 ngx_thread_pool_t *ngx_thread_pool_get(ngx_cycle_t *cycle, ngx_str_t *name);
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31
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32 ngx_thread_task_t *ngx_thread_task_alloc(ngx_pool_t *pool, size_t size);
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33 ngx_int_t ngx_thread_task_post(ngx_thread_pool_t *tp, ngx_thread_task_t *task);
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36 #endif /* _NGX_THREAD_POOL_H_INCLUDED_ */