这篇文章上次修改于 902 天前,可能其部分内容已经发生变化,如有疑问可询问作者。
在 nginx 配置文件的末尾添加:
stream {
log_format proxy '$remote_addr [$time_local] '
'$protocol $status $bytes_sent $bytes_received '
'$session_time "$upstream_addr" '
'"$upstream_bytes_sent" "$upstream_bytes_received" "$upstream_connect_time"';
access_log /var/log/nginx/udp-access.log proxy;
open_log_file_cache off;
tcp_nodelay on;
upstream tcp_server {
server 192.168.49.2:50011;
}
server{
listen 20011 so_keepalive=on;
proxy_connect_timeout 8s;
proxy_pass tcp_server;
}
upstream udp_server {
server 192.168.49.2:21116;
}
server{
listen 21116 udp reuseport;
proxy_connect_timeout 8s;
proxy_pass udp_server;
}
}
本例中,udp server 用来保持心跳,接收信息比较频繁,所以需要写上 reuseport,以提高性能,原因详见:https://www.zhihu.com/question/51618274
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