Mercurial > hg > nginx
annotate src/os/win32/ngx_wsarecv_chain.c @ 5351:a2c772963b04
Referer: "server_names" parsing deferred to merge phase.
This allows to approach "server_name" values specified below the
"valid_referers" directive when used within the "server_names" parameter, e.g.:
server_name example.org;
valid_referers server_names;
server_name example.com;
As a bonus, this fixes bogus error with "server_names" specified several times.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Thu, 29 Aug 2013 22:35:27 +0400 |
parents | d620f497c50f |
children | ec81934727a1 |
rev | line source |
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441
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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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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_event.h> |
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11 |
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12 |
577 | 13 #define NGX_WSABUFS 8 |
501 | 14 |
15 | |
16 ssize_t | |
17 ngx_wsarecv_chain(ngx_connection_t *c, ngx_chain_t *chain) | |
186
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18 { |
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19 int rc; |
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20 u_char *prev; |
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21 u_long bytes, flags; |
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22 size_t size; |
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23 ngx_err_t err; |
501 | 24 ngx_array_t vec; |
186
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25 ngx_event_t *rev; |
501 | 26 LPWSABUF wsabuf; |
27 WSABUF wsabufs[NGX_WSABUFS]; | |
186
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28 |
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29 prev = NULL; |
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30 wsabuf = NULL; |
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31 flags = 0; |
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32 size = 0; |
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33 bytes = 0; |
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34 |
501 | 35 vec.elts = wsabufs; |
36 vec.nelts = 0; | |
37 vec.size = sizeof(WSABUF); | |
577 | 38 vec.nalloc = NGX_WSABUFS; |
501 | 39 vec.pool = c->pool; |
186
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40 |
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41 /* coalesce the neighbouring bufs */ |
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42 |
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43 while (chain) { |
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44 if (prev == chain->buf->last) { |
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45 wsabuf->len += chain->buf->end - chain->buf->last; |
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46 |
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47 } else { |
501 | 48 wsabuf = ngx_array_push(&vec); |
49 if (wsabuf == NULL) { | |
50 return NGX_ERROR; | |
51 } | |
52 | |
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53 wsabuf->buf = (char *) chain->buf->last; |
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54 wsabuf->len = chain->buf->end - chain->buf->last; |
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55 } |
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56 |
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57 size += chain->buf->end - chain->buf->last; |
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58 prev = chain->buf->end; |
186
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59 chain = chain->next; |
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60 } |
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61 |
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62 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
501 | 63 "WSARecv: %d:%d", vec.nelts, wsabuf->len); |
278
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64 |
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65 |
501 | 66 rc = WSARecv(c->fd, vec.elts, vec.nelts, &bytes, &flags, NULL, NULL); |
186
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67 |
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68 rev = c->read; |
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69 |
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70 if (rc == -1) { |
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71 rev->ready = 0; |
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72 err = ngx_socket_errno; |
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73 |
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74 if (err == WSAEWOULDBLOCK) { |
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75 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, |
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76 "WSARecv() not ready"); |
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77 return NGX_AGAIN; |
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78 } |
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79 |
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80 rev->error = 1; |
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81 ngx_connection_error(c, err, "WSARecv() failed"); |
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82 return NGX_ERROR; |
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83 } |
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84 |
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85 if (bytes < size) { |
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86 rev->ready = 0; |
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87 } |
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88 |
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89 if (bytes == 0) { |
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90 rev->eof = 1; |
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91 } |
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92 |
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93 return bytes; |
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94 } |