annotate src/os/unix/ngx_send.c @ 502:89dc5654117c NGINX_0_7_63

nginx 0.7.63 *) Security: now "/../" are disabled in "Destination" request header line. *) Change: minimum supported OpenSSL version is 0.9.7. *) Change: the "ask" parameter of the "ssl_verify_client" directive was changed to the "optional" parameter and now it checks a client certificate if it was offered. Thanks to Brice Figureau. *) Feature: now the "-V" switch shows TLS SNI support. *) Feature: the $ssl_client_verify variable. Thanks to Brice Figureau. *) Feature: the "ssl_crl" directive. Thanks to Brice Figureau. *) Bugfix: the $ssl_client_cert variable usage corrupted memory; the bug had appeared in 0.7.7. Thanks to Sergey Zhuravlev. *) Feature: now the start cache loader runs in a separate process; this should improve large caches handling. *) Feature: now temporary files and permanent storage area may reside at different file systems. *) Bugfix: nginx counted incorrectly disk cache size. *) Change: now directive "gzip_disable msie6" does not disable gzipping for MSIE 6.0 SV1. *) Bugfix: nginx always added "Vary: Accept-Encoding" response header line, if both "gzip_static" and "gzip_vary" were on. *) Feature: the "proxy" parameter of the "geo" directive. *) Feature: the ngx_http_geoip_module. *) Feature: the "limit_rate_after" directive. Thanks to Ivan Debnar. *) Feature: the "limit_req_log_level" and "limit_conn_log_level" directives. *) Bugfix: now "limit_req" directive conforms to the leaky bucket algorithm. Thanks to Maxim Dounin. *) Bugfix: in ngx_http_limit_req_module. Thanks to Maxim Dounin. *) Bugfix: now nginx allows underscores in a request method. *) Bugfix: "proxy_pass_header" and "fastcgi_pass_header" directives did not pass to a client the "X-Accel-Redirect", "X-Accel-Limit-Rate", "X-Accel-Buffering", and "X-Accel-Charset" lines from backend response header. Thanks to Maxim Dounin. *) Bugfix: in handling "Last-Modified" and "Accept-Ranges" backend response header lines; the bug had appeared in 0.7.44. Thanks to Maxim Dounin. *) Feature: the "image_filter_transparency" directive. *) Feature: the "image_filter" directive supports variables for setting size. *) Bugfix: in PNG alpha-channel support in the ngx_http_image_filter_module. *) Bugfix: in transparency support in the ngx_http_image_filter_module. *) Feature: now several "perl_modules" directives may be used. *) Bugfix: ngx_http_perl_module responses did not work in subrequests. *) Bugfix: nginx sent '\0' in a "Location" response header line on MKCOL request. Thanks to Xie Zhenye. *) Bugfix: an "error_page" directive did not redirect a 413 error; the bug had appeared in 0.6.10. *) Bugfix: in memory allocation error handling. Thanks to Maxim Dounin and Kirill A. Korinskiy.
author Igor Sysoev <http://sysoev.ru>
date Mon, 26 Oct 2009 00:00:00 +0300
parents 549994537f15
children
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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12 ssize_t
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13 ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size)
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14 {
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15 ssize_t n;
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16 ngx_err_t err;
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17 ngx_event_t *wev;
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19 wev = c->write;
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21 #if (NGX_HAVE_KQUEUE)
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23 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT) && wev->pending_eof) {
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24 (void) ngx_connection_error(c, wev->kq_errno,
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25 "kevent() reported about an closed connection");
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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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29
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30 #endif
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31
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32 for ( ;; ) {
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33 n = send(c->fd, buf, size, 0);
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34
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35 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
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36 "send: fd:%d %d of %d", c->fd, n, size);
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37
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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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43 c->sent += n;
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44
0
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45 return n;
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46 }
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47
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48 err = ngx_socket_errno;
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49
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50 if (n == 0) {
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51 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero");
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52 wev->ready = 0;
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53 return n;
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54 }
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55
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56 if (err == NGX_EAGAIN || err == NGX_EINTR) {
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57 wev->ready = 0;
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58
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59 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
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60 "send() not ready");
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61
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62 if (err == NGX_EAGAIN) {
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63 return NGX_AGAIN;
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64 }
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66 } else {
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67 wev->error = 1;
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68 (void) ngx_connection_error(c, err, "send() failed");
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69 return NGX_ERROR;
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70 }
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71 }
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72 }