tcp connection from unix to java

Question

I'm looking for something,I don't know if it exists.

I have a Java server, something like

while (true) {
            try {
                Socket socket = server.accept();
                new ConnectionHandler(socket);
                System.out.println("Waiting for a new client message...");
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

What I need, is to do a unix client to connect to this server. I need only to send a message, and my server will launch a process. Is there a way to build a unix client ?

The idea is not to build a java client, but to build a unix one. This is mandatory. If is too complicated in unix, then I will re consider my choice. — CC.
– CC., Commented Jun 30, 2010 at 16:09

nos · Accepted Answer · 2010-06-30 16:04:11Z

1

At least for testing, you could use telnet to connect to your service, and issue text commands.
Netcat could be used as well, just give it the IP address and port where your Java server is running. e.g.

echo "My Message" | nc 192.168.1.42 10001
Build your own client in Java.

answered Jun 30, 2010 at 16:04

nos

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3 Comments

CC. Over a year ago

I don't want a Java client. That's the thing.

nos Over a year ago

Ok, then go with any of the first 2 options, or explain further what you actually want(e.g. do you want to build your own client, in C, C++,Python, something else ?)

CC. Over a year ago

Actually, I would like to know if there is something native to do that. If no, I will build my own java client.

bjg · Accepted Answer · 2010-06-30 16:06:49Z

0

If you don't want to develop a client in Java you could consider the unix nc (netcat) command. It's a veritable swiss-army knife of TCP and UDP.

answered Jun 30, 2010 at 16:06

bjg

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