Code examples for presentation server-sent events
Run via nginx
Created
October 1, 2016 12:10
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Servent-Sent events (2/2)
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| <!DOCTYPE html> | |
| <html> | |
| <head lang="en"> | |
| <meta charset="UTF-8"> | |
| <title>Server-Sent events</title> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| function retryEventSource() { | |
| var source = new EventSource("/stream.php"); | |
| source.addEventListener('message', function (e) { | |
| document.body.innerHTML += e.data + '<br/>'; | |
| console.log('message', e, source.readyState) | |
| }, false); | |
| source.addEventListener('open', function(e) { | |
| document.body.innerHTML += '<b>OPEN</b><br/>'; | |
| console.log('open', e, source.readyState) | |
| }, false); | |
| source.addEventListener('error', function(e) { | |
| console.log('error', e, source.readyState) | |
| if (source.readyState == EventSource.CONNECTING) { | |
| document.body.innerHTML += '<b>RECONNECTING</b><br/>'; | |
| } else { | |
| document.body.innerHTML += '<b>ERROR</b><br/>'; | |
| source.close(); | |
| retryEventSource(); | |
| } | |
| }, false); | |
| } | |
| retryEventSource(); | |
| </script> | |
| Welcome to<br/> | |
| </body> | |
| </html> |
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| server { | |
| listen 80; | |
| server_name php-test.local; | |
| index index.php index.html; | |
| root /releases/php_test/data; | |
| location ~ \.php$ { | |
| try_files $uri =404; | |
| fastcgi_split_path_info ^(.+\.php)(/.+)$; | |
| fastcgi_pass php_test:9000; | |
| fastcgi_index index.php; | |
| include fastcgi_params; | |
| fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; | |
| fastcgi_param PATH_INFO $fastcgi_path_info; | |
| fastcgi_buffering off; | |
| fastcgi_cache off; | |
| fastcgi_read_timeout 4; | |
| } | |
| } | |
| server { | |
| listen 443 ssl http2; | |
| server_name php-test.local; | |
| ssl_certificate "/etc/letsencrypt/live/php-test.local/fullchain.pem"; | |
| ssl_certificate_key "/etc/letsencrypt/live/php-test.local/privkey.pem"; | |
| ssl_buffer_size 1; | |
| index index.php index.html; | |
| root /releases/php_test/data; | |
| location ~ \.php$ { | |
| try_files $uri =404; | |
| fastcgi_split_path_info ^(.+\.php)(/.+)$; | |
| fastcgi_pass php_test:9000; | |
| fastcgi_index index.php; | |
| include fastcgi_params; | |
| fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; | |
| fastcgi_param PATH_INFO $fastcgi_path_info; | |
| fastcgi_buffering off; | |
| fastcgi_cache off; | |
| fastcgi_read_timeout 4; | |
| } | |
| } |
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| <?php | |
| header('Content-type: text/event-stream'); | |
| for ($i = 0; $i < 10; $i++) { | |
| foreach (['VilniusPHP', 'VilniusJs'] as $event) { | |
| print 'data: ' . $event."\n\n"; | |
| // print "\n\n"; | |
| ob_flush(); | |
| flush(); | |
| usleep(1000000); | |
| } | |
| } |
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