I'm communicating with a server that uses UDP packets. The server receives a UDP packet, and responds with a UDP packet by sending one to the initial sender. The request packets are always very small in size, but the response UDP packets can be up to 9216 bytes in size.

I am using netcat like so:

echo "$REQUEST_BODY" | /usr/bin/nc -w 1 -u "$PLAYERDB_HOST" "$PLAYERDB_PORT"

The response always gets truncated to 1024 bytes using netcat.

I wrote my own silly version of netcat specifically suited to my needs over UDP, in Java. I then call it like so:

echo "$REQUEST_BODY" | /usr/local/bin/java SendUDP "$PLAYERDB_HOST" "$PLAYERDB_PORT"

(Source code at the end of this message.)

With my Java program, I'm able to get up to 9216 bytes in my UDP response packet; the response won't be truncated to 1024 bytes like in netcat.

Now I've read the netcat manpage and it says nothing about any buffer size or ways to increase it. I don't really want to use my Java program because starting up a JVM for each server query is very expensive. Any ideas of any other tools like netcat that will enable me to receive UDP packets up to 9216 bytes in size?