////

//// tab | Python 3.8+

```Python hl_lines="81-83"
{!> ../../docs_src/websockets/tutorial003.py!}
```

////

To try it out:

* Open the app with several browser tabs.
* Write messages from them.
* Then close one of the tabs.

That will raise the `WebSocketDisconnect` exception, and all the other clients will receive a message like:

```
Client #1596980209979 left the chat
```

 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.netbios;


import java.net.InetAddress;

import jcifs.Configuration;

 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb1.netbios;

import java.net.InetAddress;

import jcifs.smb1.util.Hexdump;

 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.tests;


import java.io.IOException;
import java.lang.reflect.Field;

          // Produced client Finished handshake message
          // Consuming server Finished handshake message
          // Produced ClientHello handshake message
          //
          // Raw write
          // Raw read
          // Plaintext before ENCRYPTION
          // Plaintext after DECRYPTION
          val message = record.message
          val parameters = record.parameters

  }

  /*
   * Under Android, MyError propagates up and fails the test?
   *
   * TODO(b/218700094): Does this matter to prod users, or is it just a feature of our testing
   * environment? If the latter, maybe write a custom Executor that avoids failing the test when it
   * sees an Error?
   */
  @AndroidIncompatible
  public void testTaskThrowsError() throws Exception {
    class MyError extends Error {}

	if !fileInfoPreHeal.Equals(fileInfoPostHeal) {
		t.Fatal("HealObject failed")
	}

	err = os.RemoveAll(path.Join(fsDirs[0], bucket, object, "xl.meta"))
	if err != nil {
		t.Fatal(err)
	}

	// Write xl.meta with different modtime to simulate the case where a disk had
	// gone down when an object was replaced by a new object.
	fileInfoOutDated := fileInfoPreHeal
	fileInfoOutDated.ModTime = time.Now()

* <a href="https://www.linkedin.com/in/tiangolo/" class="external-link" target="_blank">Follow me on **LinkedIn**</a>.
    * Hear when I make announcements or release new tools (although I use Twitter more often 🤷‍♂).
* Read what I write (or follow me) on <a href="https://dev.to/tiangolo" class="external-link" target="_blank">**Dev.to**</a> or <a href="https://medium.com/@tiangolo" class="external-link" target="_blank">**Medium**</a>.

    pos: Int,
    limit: Int,
    result: Buffer,
  ): Boolean {
    if (!string.requiresEncode(pos, limit)) {
      result.writeUtf8(string, pos, limit)
      return true
    }

    result.write(PREFIX)

    val input = string.codePoints(pos, limit)

    // Copy all the basic code points to the output.
    var b = 0
    for (codePoint in input) {
      if (codePoint < INITIAL_N) {

            try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
                try (GZIPOutputStream gos = new GZIPOutputStream(baos)) {
                    gos.write(hash.getBytes(Constants.UTF_8));
                }
                return SIMILAR_DOC_HASH_PREFIX + Base64.getUrlEncoder().withoutPadding().encodeToString(baos.toByteArray());
            } catch (final IOException e) {