Mercurial > hg > nginx-site
comparison xml/en/docs/njs/examples.xml @ 2454:253641e268a8
Added js_requests.js example in njs.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 31 Oct 2019 15:33:19 +0300 |
parents | 86b0dd6e7208 |
children | b60e5be733cd |
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2453:1b0cc44de0fd | 2454:253641e268a8 |
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7 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd"> | 7 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd"> |
8 | 8 |
9 <article name="Examples" | 9 <article name="Examples" |
10 link="/en/docs/njs/examples.html" | 10 link="/en/docs/njs/examples.html" |
11 lang="en" | 11 lang="en" |
12 rev="6"> | 12 rev="7"> |
13 | 13 |
14 <section id="helloword" name="Hello World"> | 14 <section id="helloword" name="Hello World"> |
15 | 15 |
16 <para> | 16 <para> |
17 <path>nginx.conf</path>: | 17 <path>nginx.conf</path>: |
303 </example> | 303 </example> |
304 </para> | 304 </para> |
305 | 305 |
306 </section> | 306 </section> |
307 | 307 |
308 | |
309 <section id="requests" name="Logging the Number of Requests Per Client"> | |
310 | |
311 <para> | |
312 <path>nginx.conf</path>: | |
313 <example> | |
314 js_include js_requests.js; | |
315 | |
316 js_set $num_requests num_requests; | |
317 | |
318 keyval_zone zone=foo:10m; | |
319 | |
320 keyval $remote_addr $foo zone=foo; | |
321 | |
322 log_format bar '$remote_addr [$time_local] $num_requests'; | |
323 access_log logs/access.log bar; | |
324 | |
325 server { | |
326 listen 8000; | |
327 | |
328 location / { | |
329 root html; | |
330 } | |
331 } | |
332 </example> | |
333 </para> | |
334 | |
335 <para> | |
336 <path>js_requests.js</path>: | |
337 <example> | |
338 function num_requests(r) | |
339 { | |
340 var n = r.variables.foo; | |
341 n = n ? Number(n) + 1 : 1; | |
342 r.variables.foo = n; | |
343 return n; | |
344 } | |
345 </example> | |
346 <note> | |
347 The <link doc="../http/ngx_http_keyval_module.xml" id="keyval"/> and | |
348 <link doc="../http/ngx_http_keyval_module.xml" id="keyval_zone"/> directives | |
349 are available as part of our | |
350 <commercial_version>commercial subscription</commercial_version>. | |
351 </note> | |
352 </para> | |
353 | |
354 </section> | |
355 | |
308 </article> | 356 </article> |