private void MqttServer_ClientConnected(object sender, MqttClientConnectedEventArgs e)
{
ConnectedMqttClient client = e.Client;
mqttClients.Add(client.ClientId, client);
Invoke(new SetTextTb(SetMessageByClientMsg), client, false);
}
private void MqttServer_ClientDisconnected(object sender, MqttClientDisconnectedEventArgs e)
{
ConnectedMqttClient client = e.Client;
mqttClients.Remove(client.ClientId);
Invoke(new SetTextTb(SetMessageByClientMsg), client, true);
}
private void SetMessageByClientMsg(ConnectedMqttClient client, bool flag)
{
tbClientCount.Text = mqttClients.Count().ToString();
if (flag)
{
rtbLog.AppendText("子设备：" + client.ClientId + "已离线!\r\n");
}
else
{
rtbLog.AppendText("子设备：" + client.ClientId + "已上线!\r\n");
}
listBox1.Items.Clear();
for (int i = 0; i < 10; i++)
{
if (i >= mqttClients.Count)
{
break;
}
listBox1.Items.Add(mqttClients.Keys.ToArray()[i].ToString());
}
}
public MqttClientDisconnectedEventArgs(ConnectedMqttClient client)
{
Client = client ?? throw new ArgumentNullException(nameof(client));
}
public MqttConnectNotifyEventArgs(bool isConnect, ConnectedMqttClient client)
{
Client = client;
IsConnect = isConnect;
}
