import org.apache.commons.net.telnet.TelnetClient; import java.io.IOException; public class TelnetDemo { public static void main(String[] args) throws IOException { TelnetClient telnet = new TelnetClient(); String remoteip = "10.1.1.159"; int remoteport = 9999; telnet.connect(remoteip, remoteport); System.out.println(telnet.isAvailable()); System.out.println(telnet.isConnected()); IOUtil.readWrite(telnet.getInputStream(), telnet.getOutputStream(), System.in, System.out); telnet.disconnect(); System.exit(0); } }
import org.apache.commons.net.io.Util; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; /** * This is a utility class providing a reader/writer capability required * by the weatherTelnet, rexec, rshell, and rlogin example programs. * The only point of the class is to hold the static method readWrite * which spawns a reader thread and a writer thread. The reader thread * reads from a local input source (presumably stdin) and writes the * data to a remote output destination. The writer thread reads from * a remote input source and writes to a local output destination. * The threads terminate when the remote input source closes. * * */ public final class IOUtil { public static final void readWrite(final InputStream remoteInput, final OutputStream remoteOutput, final InputStream localInput, final OutputStream localOutput) { Thread reader, writer; reader = new Thread() { @Override public void run() { int ch; try { while (!interrupted() && (ch = localInput.read()) != -1) { remoteOutput.write(ch); remoteOutput.flush(); } } catch (IOException e) { e.printStackTrace(); } } }; writer = new Thread() { @Override public void run() { try { Util.copyStream(remoteInput, localOutput); } catch (IOException e) { e.printStackTrace(); System.exit(1); } } }; writer.setPriority(Thread.currentThread().getPriority() + 1); writer.start(); reader.setDaemon(true); reader.start(); try { writer.join(); reader.interrupt(); } catch (InterruptedException e) { e.printStackTrace(); } } }
时间: 2024-10-24 19:30:56