public void ConnectMessageTest()
{
ConnectMessage m = new ConnectMessage();
ConnectMessage d = (ConnectMessage)UdpTrackerMessage.DecodeMessage(m.Encode(), 0, m.ByteLength, MessageType.Request);
Check(m, MessageType.Request);
Assert.AreEqual(0, m.Action, "#0");
Assert.AreEqual(m.Action, d.Action, "#1");
Assert.AreEqual(m.ConnectionId, d.ConnectionId, "#2");
Assert.AreEqual(m.TransactionId, d.TransactionId, "#3");
Assert.IsTrue(Toolbox.ByteMatch(m.Encode(), d.Encode()), "#4");
}
public async Task <ConnectAckCode> ConnectAsync(string clientId, string username, string password,
int keepaliveSeconds)
{
code = null;
ConnectMessage msg = new ConnectMessage(clientId, username, password, keepaliveSeconds, true);
if (!Channel.IsConnected)
{
try
{
await Channel.OpenAsync();
}
catch (Exception ex)
{
OnChannelError?.Invoke(this, new ChannelErrorEventArgs(Channel.Id, ex));
return(ConnectAckCode.ServerUnavailable);
}
try
{
Receive(Channel);
}
catch (Exception ex)
{
OnChannelError?.Invoke(this, new ChannelErrorEventArgs(Channel.Id, ex));
return(ConnectAckCode.ServerUnavailable);
}
}
try
{
await Channel.SendAsync(msg.Encode());
DateTime expiry = DateTime.UtcNow.AddMilliseconds(timeoutMilliseconds);
while (!code.HasValue)
{
await Task.Delay(10);
if (DateTime.UtcNow > expiry)
{
throw new TimeoutException("MQTT connection timed out.");
}
}
return(code.Value);
}
catch (Exception ex)
{
OnChannelError?.Invoke(this, new ChannelErrorEventArgs(Channel.Id, ex));
return(ConnectAckCode.ServerUnavailable);
}
}
public async Task ConnectAsync(string clientId, string username, string password, int keepaliveSeconds, bool cleanSession)
{
code = null;
ConnectMessage msg = new ConnectMessage(clientId, username, password, keepaliveSeconds, cleanSession);
if (!channel.IsConnected)
{
await channel.OpenAsync();
Task task = channel.ReceiveAsync();
await Task.WhenAll(task);
}
await channel.SendAsync(msg.Encode());
}