Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_aio_read.c @ 5110:0bbdd966a383
Request body: next upstream fix.
After introduction of chunked request body handling in 1.3.9 (r4931),
r->request_body->bufs buffers have b->start pointing to original buffer
start (and b->pos pointing to real data of this particular buffer).
While this is ok as per se, it caused bad things (usually original request
headers included before the request body) after reinit of the request
chain in ngx_http_upstream_reinit() while sending the request to a next
upstream server (which used to do b->pos = b->start for each buffer
in the request chain).
Patch by Piotr Sikora.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Thu, 14 Mar 2013 12:28:53 +0000 |
parents | d620f497c50f |
children |
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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6 |
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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 |
3044
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*) move small declarations in appropriate places and delete the surplus
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13 extern int ngx_kqueue; |
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14 |
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15 |
577 | 16 ssize_t |
17 ngx_aio_read(ngx_connection_t *c, u_char *buf, size_t size) | |
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18 { |
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19 int n; |
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20 ngx_event_t *rev; |
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21 |
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22 rev = c->read; |
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23 |
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24 if (!rev->ready) { |
278
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25 ngx_log_error(NGX_LOG_ALERT, c->log, 0, "second aio post"); |
164
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26 return NGX_AGAIN; |
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27 } |
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28 |
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29 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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30 "rev->complete: %d", rev->complete); |
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31 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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32 "aio size: %d", size); |
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33 |
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34 if (!rev->complete) { |
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35 ngx_memzero(&rev->aiocb, sizeof(struct aiocb)); |
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36 |
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37 rev->aiocb.aio_fildes = c->fd; |
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38 rev->aiocb.aio_buf = buf; |
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39 rev->aiocb.aio_nbytes = size; |
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40 |
469 | 41 #if (NGX_HAVE_KQUEUE) |
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42 rev->aiocb.aio_sigevent.sigev_notify_kqueue = ngx_kqueue; |
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43 rev->aiocb.aio_sigevent.sigev_notify = SIGEV_KEVENT; |
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44 rev->aiocb.aio_sigevent.sigev_value.sigval_ptr = rev; |
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45 #endif |
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46 |
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47 if (aio_read(&rev->aiocb) == -1) { |
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48 ngx_log_error(NGX_LOG_CRIT, rev->log, ngx_errno, |
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49 "aio_read() failed"); |
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50 rev->error = 1; |
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51 return NGX_ERROR; |
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52 } |
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53 |
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54 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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55 "aio_read: #%d OK", c->fd); |
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56 |
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57 rev->active = 1; |
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58 rev->ready = 0; |
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59 } |
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60 |
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61 rev->complete = 0; |
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62 |
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63 n = aio_error(&rev->aiocb); |
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64 if (n == -1) { |
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65 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, "aio_error() failed"); |
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66 rev->error = 1; |
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67 return NGX_ERROR; |
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68 } |
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69 |
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70 if (n != 0) { |
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71 if (n == NGX_EINPROGRESS) { |
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72 if (rev->ready) { |
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73 ngx_log_error(NGX_LOG_ALERT, c->log, n, |
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74 "aio_read() still in progress"); |
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75 rev->ready = 0; |
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76 } |
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77 return NGX_AGAIN; |
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78 } |
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79 |
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80 ngx_log_error(NGX_LOG_CRIT, c->log, n, "aio_read() failed"); |
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81 rev->error = 1; |
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82 rev->ready = 0; |
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83 return NGX_ERROR; |
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84 } |
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85 |
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86 n = aio_return(&rev->aiocb); |
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87 if (n == -1) { |
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88 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
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89 "aio_return() failed"); |
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90 |
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91 rev->error = 1; |
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92 rev->ready = 0; |
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93 return NGX_ERROR; |
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94 } |
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95 |
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96 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, rev->log, 0, |
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97 "aio_read: #%d %d", c->fd, n); |
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98 |
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99 if (n == 0) { |
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100 rev->eof = 1; |
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101 rev->ready = 0; |
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102 } else { |
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103 rev->ready = 1; |
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104 } |
389d7ee9fa60
nginx-0.0.1-2003-10-30-11:51:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
164
diff
changeset
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105 |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
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106 rev->active = 0; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
107 |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
103
diff
changeset
|
108 return n; |
93
738fe44c70d5
nginx-0.0.1-2003-05-21-17:28:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 } |