public ParallelPortServer()
{
port_api = PortAccessAPI.GetInstance();
_lock_state = new object();
_publish_sync = new object();
current_state = ReadAllPortValue();
reader = new Timer(CheckForStateChanged, null, 10, 10);
detecting = false;
try
{
interval = Convert.ToInt16(ConfigurationManager.AppSettings["NetChekPeriod"]);
var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
System.Configuration.AppSettingsSection section = config.AppSettings;
detecting = Convert.ToBoolean(section.Settings["detecting"].Value);
Console.WriteLine("***Recovering Detection State:...{0}***", detecting);
}
catch (Exception e)
{
interval = 1;
}
if (detecting)
{
StartDetect();
}
}
public int[] ReadPortsValueArray()
{
int[] result = new int[3];
var r = new ParallelPortInfo(port_api.Input(ParallelPortInfo.P378), port_api.Input(ParallelPortInfo.P379), port_api.Input(ParallelPortInfo.P37A));
result[0] = r.getPortState(ParallelPortInfo.P378);
result[1] = r.getPortState(ParallelPortInfo.P379);
result[2] = r.getPortState(ParallelPortInfo.P37A);
return(result);
}
private void CheckForStateChanged(object _lock_state)
{
ParallelPortInfo _read;
if (detecting)
{
lock (this._lock_state)
{
_read = ReadAllPortValue();
if (!_read.IQualTo(current_state))
{
current_state = _read;
new Thread(PublishEvent).Start(_read);
}
}
}
}
private void PublishEvent(object inf)
{
if (detecting)
{
lock (_publish_sync)
{
ParallelPortInfo info = inf as ParallelPortInfo;
ChannelFactory <IPubSubEventAPI> factory = new ChannelFactory <IPubSubEventAPI>("IPubSubEventAPI");
try
{
IPubSubEventAPI client = factory.CreateChannel();
client.PublishEvent("PSC", new Uri(ConfigurationManager.AppSettings["service_address"]), new EventData[] {
new EventData {
Data_ID = "TIME", Data_Val = DateTime.Now
},
new EventData {
Data_ID = "P378", Data_Val = info.getPortState(ParallelPortInfo.P378)
},
new EventData {
Data_ID = "P379", Data_Val = info.getPortState(ParallelPortInfo.P379)
},
new EventData {
Data_ID = "P37A", Data_Val = info.getPortState(ParallelPortInfo.P37A)
}
});
Console.WriteLine("***Event Publihed***" + "Event Type:" + "PSC");
Console.WriteLine("TIME:{0}", DateTime.Now);
Console.WriteLine("port:{0}_value:{1}", "378", info.getPortState(ParallelPortInfo.P378));
Console.WriteLine("port:{0}_value:{1}", "379", info.getPortState(ParallelPortInfo.P379));
Console.WriteLine("port:{0}_value:{1}", "37A", info.getPortState(ParallelPortInfo.P37A));
}
catch (Exception e)
{
Console.WriteLine("**No se pudo establecer el canal de comunicacion con el subsistema Pub-Sub de eventos***, Evento PSC***");
Console.WriteLine("**Detalle de la excepcion:{0}**" + e.Message);
}
}
}
}
