annotate src/os/unix/ngx_send.c @ 130:82d695e3d662 NGINX_0_3_12

nginx 0.3.12 *) Security: if nginx was built with the ngx_http_realip_module and the "satisfy_any on" directive was used, then access and authorization directives did not work. The ngx_http_realip_module was not built and is not built by default. *) Change: the "$time_gmt" variable name was changed to "$time_local". *) Change: the "proxy_header_buffer_size" and "fastcgi_header_buffer_size" directives was renamed to the "proxy_buffer_size" and "fastcgi_buffer_size" directives. *) Feature: the ngx_http_memcached_module. *) Feature: the "proxy_buffering" directive. *) Bugfix: the changes in accept mutex handling when the "rtsig" method was used; bug appeared in 0.3.0. *) Bugfix: if the client sent the "Transfer-Encoding: chunked" header line, then nginx returns the 411 error. *) Bugfix: if the "auth_basic" directive was inherited from the http level, then the realm in the "WWW-Authenticate" header line was without the "Basic realm" text. *) Bugfix: if the "combined" format was explicitly specified in the "access_log" directive, then the empty lines was written to the log; bug appeared in 0.3.8. *) Bugfix: nginx did not run on the sparc platform under any OS except Solaris. *) Bugfix: now it is not necessary to place space between the quoted string and closing bracket in the "if" directive.
author Igor Sysoev <http://sysoev.ru>
date Sat, 26 Nov 2005 00:00:00 +0300
parents 962c43960644
children 3656228c0b56
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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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5
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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 ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size)
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13 {
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14 ssize_t n;
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15 ngx_err_t err;
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16 ngx_event_t *wev;
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18 wev = c->write;
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20 #if (NGX_HAVE_KQUEUE)
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22 if ((ngx_event_flags & NGX_USE_KQUEUE_EVENT)
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23 && wev->pending_eof
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24 /* FreeBSD 5.x-6.x may erroneously report ETIMEDOUT */
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25 && wev->kq_errno != NGX_ETIMEDOUT)
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26 {
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27 (void) ngx_connection_error(c, wev->kq_errno,
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28 "kevent() reported about an closed connection");
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29 wev->error = 1;
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30 return NGX_ERROR;
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31 }
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33 #endif
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34
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35 for ( ;; ) {
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36 n = send(c->fd, buf, size, 0);
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37
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38 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
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39 "send: fd:%d %d of %d", c->fd, n, size);
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40
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41 if (n > 0) {
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42 if (n < (ssize_t) size) {
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43 wev->ready = 0;
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44 }
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45
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46 return n;
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47 }
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48
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49 err = ngx_socket_errno;
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51 if (n == 0) {
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52 ngx_log_error(NGX_LOG_ALERT, c->log, err, "send() returned zero");
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53 wev->ready = 0;
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54 return n;
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55 }
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56
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57 if (err == NGX_EAGAIN || err == NGX_EINTR) {
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58 wev->ready = 0;
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59
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60 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
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61 "send() not ready");
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62
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63 if (err == NGX_EAGAIN) {
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64 return NGX_AGAIN;
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65 }
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67 } else {
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68 wev->error = 1;
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69 (void) ngx_connection_error(c, err, "send() failed");
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70 return NGX_ERROR;
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71 }
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72 }
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73 }