/// <summary>
/// Changes the state of the connection to the specified <paramref name="state"/> and raises events with the optionally
/// specified <paramref name="message"/>.
/// </summary>
/// <param name="state">The state to which to change.</param>
/// <param name="message">The optional message describing the nature of the change.</param>
protected void ChangeState(ConnectionState state, string message)
{
var eventArgs = new ConnectionStateChangedEventArgs(previousState: State, currentState: state, message: message);
State = state;
StateChanged?.Invoke(this, eventArgs);
if (State == ConnectionState.Connected)
{
Connected?.Invoke(this, EventArgs.Empty);
}
else if (State == ConnectionState.Disconnected)
{
Disconnected?.Invoke(this, message);
}
}
/// <summary>
/// Changes the state of the connection to the specified <paramref name="state"/> and raises events with the
/// optionally specified <paramref name="message"/>.
/// </summary>
/// <param name="state">The state to which to change.</param>
/// <param name="message">The optional message describing the nature of the change.</param>
/// <param name="exception">The optional Exception associated with the change.</param>
protected void ChangeState(ConnectionState state, string message, Exception exception = null)
{
var eventArgs = new ConnectionStateChangedEventArgs(previousState: State, currentState: state, message: message, exception: exception);
State = state;
Interlocked.CompareExchange(ref StateChanged, null, null)?
.Invoke(this, eventArgs);
if (State == ConnectionState.Connected)
{
Interlocked.CompareExchange(ref Connected, null, null)?
.Invoke(this, EventArgs.Empty);
}
else if (State == ConnectionState.Disconnected)
{
Interlocked.CompareExchange(ref Disconnected, null, null)?
.Invoke(this, new ConnectionDisconnectedEventArgs(message, exception));
}
}