aurelijusb/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Code examples for presentation server-sent events
Run via nginx

  
## index.html
<!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>

## nginx.conf
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;
    }
}

## stream.php
<?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);
    }
}
	<!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>
	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 $fastcgi_path_info;
	fastcgi_buffering off;
	fastcgi_cache off;
	fastcgi_read_timeout 4;
	}
	}
	<?php
	header('Content-type: text/event-stream');
	for ($i = 0; $i < 10; $i++) {
	foreach (['VilniusPHP', 'VilniusJs'] as $event) {
	print 'data: ' . $event."\n\n";
	// print "\n\n";
	ob_flush();
	flush();
	usleep(1000000);
	}
	}