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annotate src/os/unix/ngx_send.c @ 469:2ff194b74f1e release-0.1.9

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nginx-0.1.9-RELEASE import *) Bugfix: the proxied request was sent without arguments if the request contains "//", "/./", "/../" or "%XX". *) Bugfix: the large compressed responses may be transferred not completely. *) Bugfix: the files bigger than 2G was not transferred on Linux that does not support sendfile64(). *) Bugfix: while the build configuration on Linux the --with-poll_module parameter was required; the bug had appeared in 0.1.8.
author Igor Sysoev <igor@sysoev.ru>
date Thu, 25 Nov 2004 16:17:31 +0000
parents 295d97d70c69
children 9b8c906f6e63
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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7 #include <ngx_config.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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8 #include <ngx_core.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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9 #include <ngx_event.h>
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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12 ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size)
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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13 {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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14 ssize_t n;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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15 ngx_err_t err;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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16 ngx_event_t *wev;
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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18 wev = c->write;
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2ff194b74f1e nginx-0.1.9-RELEASE import
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20 #if (NGX_HAVE_KQUEUE)
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295d97d70c69 nginx-0.1.2-RELEASE import
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22 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) {
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23 ngx_log_error(NGX_LOG_INFO, c->log, wev->kq_errno,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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24 "kevent() reported about an closed connection");
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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26 wev->error = 1;
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27 return NGX_ERROR;
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28 }
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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30 #endif
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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32 for ( ;; ) {
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33 n = send(c->fd, buf, size, 0);
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34
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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35 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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36 "send: fd:%d %d of %d", c->fd, n, size);
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0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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38 if (n > 0) {
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39 if (n < (ssize_t) size) {
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40 wev->ready = 0;
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41 }
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42
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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43 return n;
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44 }
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45
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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46 err = ngx_socket_errno;
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47
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48 if (n == 0) {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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49 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero");
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47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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50 wev->ready = 0;
47709bff4468 nginx-0.0.10-2004-09-09-19:40:48 import
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51 return n;
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52 }
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53
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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54 if (err == NGX_EAGAIN || err == NGX_EINTR) {
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55 wev->ready = 0;
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56
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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57 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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58 "send() not ready");
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59
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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60 if (err == NGX_EAGAIN) {
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61 return NGX_AGAIN;
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62 }
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63
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64 } else {
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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65 wev->error = 1;
0526206251f6 nginx-0.0.10-2004-09-07-19:29:22 import
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66 ngx_connection_error(c, err, "recv() failed");
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67 return NGX_ERROR;
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68 }
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69 }
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70 }