private async Task KeepSending()
{
while (!source.Token.IsCancellationRequested)
{
while (!readyForWork)
{
byte[] message = { (byte)PacketType.ConnectToParent };
await udpClient.SendAsync(message, message.Length, parentNode).ConfigureAwait(false);
await Task.Delay(IterationsDelay, source.Token).ConfigureAwait(false);
}
while (true)
{
foreach (var node in neighbours)
{
if (MaxAllowedAttempts < node.Value.LastPinged.AttemptsAlready)
{
DisconnectNeighbour(node.Key);
continue;
}
foreach (var message in node.Value.LastAttempts)
{
if (MaxAllowedAttempts < message.Value.AttemptsAlready)
{
DisconnectNeighbour(node.Key);
break;
}
if (DateTime.Now - message.Value.LastAttempt > RetryInterval)
{
await SendMessage(message.Key, node.Key).ConfigureAwait(false);
var newInfo = new AttemptsInfo(message.Value.AttemptsAlready + 1, DateTime.Now);
node.Value.LastAttempts[message.Key] = newInfo;
node.Value.LastPinged = newInfo;
}
}
if (DateTime.Now - node.Value.LastPinged.LastAttempt > RetryInterval)
{
var command = (byte)(PacketType.AreYouAlive);
byte[] message = { command };
await udpClient.SendAsync(message, 1, node.Key).ConfigureAwait(false);
var newInfo = new AttemptsInfo(node.Value.LastPinged.AttemptsAlready + 1, DateTime.Now);
node.Value.LastPinged = newInfo;
}
}
await Task.Delay(IterationsDelay, source.Token).ConfigureAwait(false);
}
}
}
public void ResetAttempts()
{
LastPinged = new AttemptsInfo(0, DateTime.Now);
}