/// <summary>
/// Send event to all subscribers
/// </summary>
/// <param name="event"></param>
/// <param name="sender"></param>
public void Send(Event @event, BaseProcessor sender)
{
var i = 0;
foreach (var s in _subscriptions)
{
var ok = false;
//Filter event
if (s.Value != null)
foreach (var filter in s.Value)
{
if (filter.Evaluate(@event)) ok = true;
}
else
{
ok = true;
}
//Send event to subscriber
if (ok && s.Key.OnSourceEvent != null)
s.Key.OnSourceEvent(@event, sender);
i++;
}
Log.Debug(string.Format("Event {0} sent to {1} subscribers", @event, i));
}
private void WriteError(Exception error, BaseProcessor sender)
{
try
{
//_conn = new MySqlConnection(_cs);
//_conn.Open();
const string stm = @"INSERT INTO hbus_errors (error, source, inner, timestamp)
VALUES(@Error, @Source, @Inner, @Timestamp)";
var cmd = new MySqlCommand(stm, _conn);
cmd.Prepare();
cmd.Parameters.AddWithValue("@Error", error.Message);
cmd.Parameters.AddWithValue("@Source", error.Source);
cmd.Parameters.AddWithValue("@Inner", error.InnerException != null ? error.InnerException.Message : string.Empty);
cmd.Parameters.AddWithValue("@Timestamp", DateTime.Now);
//Altri parametri
cmd.ExecuteNonQuery();
Log.Debug("Mysql written error");
}
catch (MySqlException ex)
{
//TODO LOG
Log.Error("Mysql write error error", ex);
}
//finally
//{
// //_conn?.Close();
// if (_conn != null)
// _conn.Close();
//}
}
/// <summary>
/// Send error to subscribers
/// </summary>
/// <param name="exception"></param>
/// <param name="sender"></param>
public void Error(Exception exception, BaseProcessor sender)
{
foreach (var s in _subscriptions)
{
//Send error to subscribers
if (s.Key.OnSourceError != null)
s.Key.OnSourceError(exception, sender);
}
Log.Error(string.Format("error {0} propagated to subscribers", exception));
}
public void WriteEvent(Event @event, BaseProcessor sender)
{
if (_fields != null)
{
for (int i = 0; i < _fields.Length; i++)
{
if (_fields[i] == @event.Source)
{
_values[i] = @event.Value;
_total++;
break;
}
}
if (_total == (_fields.Length - 1))
{
PostToThingSpeak(_values);
_total = 0;
}
}
}
private void WriteEvent(Event @event, BaseProcessor sender)
{
try
{
//_conn = new MySqlConnection(_cs);
//_conn.Open();
const string stm = @"INSERT INTO events (name, source, type, value, status, unit, timestamp)
VALUES(@Name, @Source, @Type, @Value, @Status, @Unit, @Timestamp)";
var cmd = new MySqlCommand(stm, _conn);
cmd.Prepare();
cmd.Parameters.AddWithValue("@Name", @event.Name);
cmd.Parameters.AddWithValue("@Source", @event.Source);
cmd.Parameters.AddWithValue("@Type", @event.Channel);
cmd.Parameters.AddWithValue("@Value", @event.Value);
cmd.Parameters.AddWithValue("@Status", @event.Status);
cmd.Parameters.AddWithValue("@Unit", @event.Unit);
cmd.Parameters.AddWithValue("@Timestamp", @event.Timestamp);
//Altri parametri
cmd.ExecuteNonQuery();
Log.Debug("Mysql written event");
}
catch (MySqlException ex)
{
//TODO LOG
Log.Error("Mysql write event error", ex);
}
//finally
//{
// //_conn?.Close();
// if (_conn != null)
// _conn.Close();
//}
}
/// <summary>
/// Unsubscribe client from current endpoint
/// </summary>
/// <param name="subscriber"></param>
public void DeleteSubscriber(BaseProcessor subscriber)
{
if (_subscriptions.ContainsKey(subscriber))
_subscriptions.Remove(subscriber);
Log.Debug(string.Format("Subscriber {0} removed", subscriber));
}
/// <summary>
/// Subscribe client endpoint to specific or all events
/// </summary>
/// <param name="subscriber"></param>
/// <param name="filters"></param>
public void AddSubscriber(BaseProcessor subscriber, EventFilter[] filters = null)
{
if (!_subscriptions.ContainsKey(subscriber))
_subscriptions.Add(subscriber, filters);
else
_subscriptions[subscriber] = filters;
Log.Debug(string.Format("Subscriber {0} added", subscriber));
}