private void Log(ReceivedManagementMessage message)
{
if (!message.IsByteCount)
{
_logger.Info($"Management -> {message}");
}
}
private async Task HandleStateMessage(ReceivedManagementMessage message)
{
var managementState = message.State();
if (managementState.HasError)
{
await TrySend(_managementChannel.Messages.Disconnect());
if (_lastError == VpnError.None)
{
_lastError = managementState.Error;
}
}
else
{
if (managementState.HasStatus)
{
OnVpnStateChanged(new VpnState(managementState.Status, _lastError, managementState.LocalIpAddress, managementState.RemoteIpAddress));
}
}
}
private void HandleErrorMessage(ReceivedManagementMessage message)
{
_lastError = message.Error().VpnError();
}
private void HandleByteMessage(ReceivedManagementMessage message)
{
var bandwidth = message.Bandwidth();
OnTransportStatsChanged(bandwidth);
}
private async void HandleMessage(ReceivedManagementMessage message)
{
var handled = false;
if (message.IsState)
{
await HandleStateMessage(message);
handled = true;
}
else if (message.IsByteCount)
{
HandleByteMessage(message);
handled = true;
}
else if (message.IsError)
{
HandleErrorMessage(message);
handled = true;
}
else if (message.IsDisconnectReceived)
{
OnVpnStateChanged(VpnStatus.Disconnecting);
_disconnectAccepted = true;
handled = true;
}
else if (message.IsUsernameNeeded)
{
await TrySend(_managementChannel.Messages.Username(_credentials.Username));
handled = true;
}
else if (message.IsPasswordNeeded)
{
await TrySend(_managementChannel.Messages.Password(_credentials.Password));
handled = true;
}
if (handled)
{
return;
}
if (_disconnectRequested && !_disconnectAccepted)
{
await TrySend(_managementChannel.Messages.Disconnect());
}
else if (message.IsWaitingHoldRelease)
{
await TrySend(_managementChannel.Messages.EchoOn());
}
else if (message.IsEchoSet)
{
await TrySend(_managementChannel.Messages.StateOn());
}
else if (message.IsStateSet)
{
await TrySend(_managementChannel.Messages.Bytecount());
}
else if (message.IsByteCountSet)
{
await TrySend(_managementChannel.Messages.LogOn());
}
else if (message.IsLogSet)
{
await TrySend(_managementChannel.Messages.HoldRelease());
}
}