Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_socket.c @ 7892:2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
As per https://tools.ietf.org/html/rfc7540#section-8.1,
: A server can send a complete response prior to the client
: sending an entire request if the response does not depend on
: any portion of the request that has not been sent and
: received. When this is true, a server MAY request that the
: client abort transmission of a request without error by
: sending a RST_STREAM with an error code of NO_ERROR after
: sending a complete response (i.e., a frame with the
: END_STREAM flag). Clients MUST NOT discard responses as a
: result of receiving such a RST_STREAM, though clients can
: always discard responses at their discretion for other
: reasons.
Previously, RST_STREAM(NO_ERROR) received from upstream after
a frame with the END_STREAM flag was incorrectly treated as an
error. Now, a single RST_STREAM(NO_ERROR) is properly handled.
This fixes problems observed with modern grpc-c [1], as well
as with the Go gRPC module.
[1] https://github.com/grpc/grpc/pull/1661
author | Ruslan Ermilov <ru@nginx.com> |
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date | Thu, 23 Apr 2020 15:10:24 +0300 |
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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 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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501 | 12 int |
13 ngx_nonblocking(ngx_socket_t s) | |
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14 { |
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15 unsigned long nb = 1; |
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17 return ioctlsocket(s, FIONBIO, &nb); |
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18 } |
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22 ngx_blocking(ngx_socket_t s) | |
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23 { |
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24 unsigned long nb = 0; |
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25 |
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26 return ioctlsocket(s, FIONBIO, &nb); |
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27 } |
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29 | |
30 int | |
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31 ngx_socket_nread(ngx_socket_t s, int *n) |
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32 { |
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33 unsigned long nread; |
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34 |
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35 if (ioctlsocket(s, FIONREAD, &nread) == -1) { |
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36 return -1; |
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37 } |
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38 |
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39 *n = nread; |
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40 |
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41 return 0; |
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42 } |
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43 |
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44 |
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45 int |
501 | 46 ngx_tcp_push(ngx_socket_t s) |
47 { | |
48 return 0; | |
49 } |