Пытаюсь организовать примитивный обмен сообщениями через long-polling с помощью nginx.
В качестве примера взял эту статью:
habrahabr.ru/post/252349
Проблема: не получается добавить подписчика в /sub/ - браузер ругается:
GET
localhost/sub/subscriber1 404 (Not Found)
Хотя, как я понял, этот путь должен быть обработан nginx'ом.
Конфиг nginx:
http {
server {
listen 80 default;
location ~ /\.ht {
deny all;
}
location / {
proxy_pass http://127.0.0.1:8080;
}
location /channels-stats {
# activate channels statistics mode for this location
push_stream_channels_statistics;
# query string based channel id
push_stream_channels_path $arg_id;
}
location /pub {
# activate publisher (admin) mode for this location
push_stream_publisher admin;
# query string based channel id
push_stream_channels_path $arg_id;
}
location ~ /sub/(.*) {
# activate subscriber (streaming) mode for this location
push_stream_subscriber;
# positional channel path
push_stream_channels_path $1;
push_stream_longpolling_connection_ttl 30s;
push_stream_last_received_message_time $arg_time;
push_stream_last_received_message_tag $arg_tag;
}
}
push_stream_shared_memory_size 32M;
...
Код JS подключения к каналу:
var channelId = 'subscriber1';
var last_etag=0;
var last_time=null;
function new_message() {
$.ajax({
url: '/sub/' + channelId,
type: "GET",
dataType: 'json',
beforeSend: function(xhr){xhr.setRequestHeader('Etag', last_etag);xhr.setRequestHeader('Last-Modified', last_time);},
success: function(data, status, xhr) {
last_etag =xhr.getResponseHeader('Etag');
last_time =xhr.getResponseHeader('Last-Modified');
console.log(data);
setTimeout(new_message, 50);
}
})
}
new_message();
При выполнении в терминале можно увидеть, что запрос к localhost/sub отправляется к apache, который, соответственно, отдает 404:
$ curl -s -v --no-buffer 'http://localhost/sub/my_channel_1'
* Hostname was NOT found in DNS cache
* Trying 127.0.0.1...
* Connected to localhost (127.0.0.1) port 80 (#0)
> GET /sub/my_channel_1 HTTP/1.1
> User-Agent: curl/7.35.0
> Host: localhost
> Accept: */*
>
< HTTP/1.1 404 Not Found
* Server nginx/1.2.6 is not blacklisted
< Server: nginx/1.2.6
< Date: Tue, 19 May 2015 13:35:12 GMT
< Content-Type: text/html; charset=iso-8859-1
< Content-Length: 288
< Connection: keep-alive
<
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /sub/my_channel_1 was not found on this server.</p>
<hr>
<address>Apache/2.4.7 (Ubuntu) Server at localhost Port 80</address>
</body></html>
* Connection #0 to host localhost left intact
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