protected override void OnPeriodicElapsed(object sender, System.Timers.ElapsedEventArgs e) {
var messages = _reader.TMC.Messages;
if (messages == null || messages.Count == 0)
return;
BplLanguage.RuntimeMode = BplRuntimeMode.Batch;
var res = new List<TrafficEvent>();
foreach (var msg in messages) {
var origin = new TrafficLocation {
CountryCode = msg.CC,
LocationTableNumber = msg.LTN,
LocationCode = msg.LocationCode
};
var evt = new TrafficEvent {
//Age = new TimeFrame(DateTime.Now, DateTime.Now.AddMinutes(msg.Duration)),
Direction = msg.DirectionFlag ? 1 : 0,
Extent = msg.Extent,
IsTwoWay = msg.IsTwoWay,
LastUpdate = DateTime.Now,
Origin = origin
};
evt.Codes = new BplArray<int>(msg.EventCodes);
if (evt.Codes.Count > 0) {
res.Add(evt);
}
}
UpdateTrafficEvents(res.ToArray());
}
/// <summary>Checks two traffic locations for memberwise equality.</summary>
public static bool MemberwiseEquals(TrafficLocation first, TrafficLocation second) {
if (first == second) return true;
if (first == null || second == null) return false;
return first.LocationCode == second.LocationCode &&
first.CountryCode == second.CountryCode &&
first.LocationTableNumber == second.LocationTableNumber &&
first.Location == second.Location;
}
private void _sendTrafficState() {
if (_reader == null || _reader.TMC == null) {
Log.Info("No TMC data");
return;
}
var messages = _reader.TMC.Messages;
if (messages == null || messages.Count == 0) {
Log.Info("No traffic events");
return;
}
var res = new List<TrafficEvent>();
foreach (var msg in messages) {
var origin = new TrafficLocation {
CountryCode = msg.CC,
LocationTableNumber = msg.LTN,
LocationCode = msg.LocationCode
};
var evt = new TrafficEvent {
//Age = new TimeFrame(DateTime.Now, DateTime.Now.AddMinutes(msg.Duration)),
Direction = msg.DirectionFlag ? 1 : 0,
Extent = msg.Extent,
IsTwoWay = msg.IsTwoWay,
LastUpdate = DateTime.Now,
Origin = origin
};
evt.Codes = new BplArray<int>(msg.EventCodes);
if (evt.Codes.Count > 0) {
res.Add(evt);
}
}
Log.Info("Provider name: {0}", _reader.TMC.ProviderName);
Log.Info("-------------------- Traffic Events List ----------");
var fmtr = new Mpcr.Core.Persistence.BplXmlFormatter();
var cnt = 1;
foreach (var evt in res) {
if (fmtr.Format(evt)) {
Log.Info("\tEvent #{0}: {1}", cnt++, fmtr.Output);
} else
Log.Info("Cannot format event: {0}", evt);
}
Log.Info("===================================================");
}
private void _processTraffic(XmlDocument data) {
BplLanguage.RuntimeMode = BplRuntimeMode.Batch;
var res = new List<TrafficEvent>();
var nodes = data.SelectNodes("/Inrix/Incidents/Incident");
foreach (XmlNode node in nodes) {
try {
var rdsNode = node.SelectSingleNode("RDS");
var destination = new TrafficLocation {
CountryCode = int.Parse(rdsNode.SelectSingleNode("@tmcCountry").Value),
LocationTableNumber = int.Parse(rdsNode.SelectSingleNode("@tmcRegion").Value),
LocationCode = int.Parse(rdsNode.SelectSingleNode("@tmcLocation").Value)
};
var originTmc = node.SelectSingleNode("TMCs/TMC[last()]/@code").Value;
var origin = new TrafficLocation {
CountryCode = int.Parse(originTmc.At(0)),
LocationTableNumber = int.Parse(originTmc.Between(1, 2)),
LocationCode = int.Parse(originTmc.Between(4, 8))
};
var e = new TrafficEvent {
ApproximatedDelay = TimeSpan.FromMinutes(float.Parse(node.SelectSingleNode("DelayImpact/@fromFreeFlowMinutes").Value)),
ApproximatedSpeed = Speed.Undefined,
Destination = destination,
Direction = int.Parse(rdsNode.SelectSingleNode("@direction").Value),
Extent = int.Parse(rdsNode.SelectSingleNode("@extent").Value),
IsTwoWay = node.SelectNodes(@"ParameterizedDescription/Direction[. = ""BOTH""]").Count > 0,
LastUpdate = DateTime.Now,
Length = Distance.FromMeters(1000.0 * float.Parse(node.SelectSingleNode("DelayImpact/@distance").Value)),
Load = new Percent(int.Parse(node.SelectSingleNode("@severity").Value) / 4d),
Origin = origin
};
var eventCodes = rdsNode.SelectNodes("EventCodes/EventCode/@value");
var codes = new int[eventCodes.Count];
for (var i = 0; i < eventCodes.Count; i++) codes[i] = int.Parse(eventCodes[i].Value);
e.Codes = new BplArray<int>(codes);
var parts = e.Codes.Select(c => c.ToString()).ToList();
parts.AddRange(
e.Origin.LocationCode.ToString(),
e.Destination.LocationCode.ToString(),
e.Origin.LocationTableNumber.ToString(),
e.Destination.LocationTableNumber.ToString(),
e.Extent.ToString(),
e.Direction.ToString()
);
e.Id = parts.ToArray().Join("-");
if (e.Codes.Count > 0) {
res.Add(e);
}
} catch (Exception) {
//Skip <Incident> with empty <TMCs> or any other ill-formed incident
}
}
UpdateTrafficEvents(res.ToArray());
}
