nginx-comet.conf

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;
#pid        logs/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] $request '
    #                  '"$status" $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;
    sendfile        on;
    keepalive_timeout  65;
    
		# max allowed memory for buferring      
    push_max_reserved_memory 10M;

    server {
        listen       80;
        server_name  localhost;

        location / {
            root   html;
            index  index.html index.htm;
        }

        ###### Push configuration
        # internal publish endpoint (keep it private / protected)
        location /publish {
          set $push_channel_id $arg_id; #/?id=239aff3 or somesuch
          push_publisher;

          push_store_messages on;            # enable message queueing 
          push_message_timeout 2h;           # expire buffered messages after 2 hours
          push_max_message_buffer_length 10; # store 10 messages
          push_min_message_recipients 0;     # minimum recipients before purge
        }

        # public long-polling endpoint
        location /activity {
          push_subscriber;

          # how multiple listener requests to the same channel id are handled
          # - last: only the most recent listener request is kept, 409 for others.
          # - first: only the oldest listener request is kept, 409 for others.
          # - broadcast: any number of listener requests may be long-polling.
          push_subscriber_concurrency broadcast;
          set $push_channel_id $arg_id;
          default_type  text/plain;
        }

        ###### END Push configuration

        error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }
}