Re: Detection of socket connecting process, two thread problem

From:
artik <olsztyn.arti@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 25 Jan 2013 02:33:55 -0800 (PST)
Message-ID:
<743afe02-c761-461a-87ba-4c61f143bd0b@googlegroups.com>
I'm newbie in Java and after several attempts and changing approaches i've =
decided to use synchronization like this below. I think it protects code (?=
) to use socket in the same time. Two threads using this procedures (disco=
nnect and connect after) wait (if they need) when the second thread finishe=
d connecting and start to do the same: disconnect and connect. I can't find=
 the way: don't doing disconnection-connection by the second thread when th=
e first one started this just second before.

When error connections occurs in the threads (reading/writing) then call
reconnection procedure insede it are:
{...
close_connection();
set_connection();
....
}
which are below

public synchronized void close_connection() {
        try {
            socket.shutdownInput();
            socket.shutdownOutput();
            socket.close();
            try {
                Thread.sleep(500);
            } catch (InterruptedException e1) {
                e1.printStackTrace();
            }
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
    }

public synchronized boolean setconnection() {
            boolean result=true;
            socket = new Socket();
            try {
                socket.connect(new InetSocketAddress(address, port), 500);
                in = new BufferedReader(new InputStreamReader(
                        socket.getInputStream()));
                out = new BufferedWriter(new OutputStreamWriter(
                        socket.getOutputStream()));
            } catch (IOException e)
             {result=false;
            }
            return result;
        }

Artik

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