public static Delays Load()
{
if (File.Exists(FileName))
{
return(JsonConvert.DeserializeObject <Delays>(File.ReadAllText(FileName)));
}
else
{
Delays delays = NewInstance();
delays.Save();
return(delays);
}
}
protected override void OnStart(string[] args)
{
try
{
string wsServer = ConfigurationManager.AppSettings["ws-server"];
string stanox = ConfigurationManager.AppSettings["stanox"];
if (string.IsNullOrEmpty(wsServer) || string.IsNullOrEmpty(stanox))
{
throw new ArgumentNullException("", "both ws-server and stanox must be set in app.config");
}
_statistics = Delays.Load();
if (_statistics.Created.Date < DateTime.Now.Date)
{
const string start = "Early Departures for {0:dd-MM-yy}:";
var statsByMinute = _statistics.EarlyDepartures.GroupBy(v => v);
ICollection <string> values = new List <string>(statsByMinute.Count());
const string format = "{0} mins early:{1}";
foreach (var minutes in statsByMinute)
{
values.Add(string.Format(format, minutes.Key, minutes.Count()));
}
SendTweet(string.Concat(string.Format(start, _statistics.Created), string.Join(",", values.ToArray())));
_statistics = Delays.NewInstance();
_statistics.Save();
}
double lat, lng;
if (double.TryParse(ConfigurationManager.AppSettings["Lat"], out lat) && double.TryParse(ConfigurationManager.AppSettings["Lng"], out lng))
{
Latitude = lat;
Longitude = lng;
}
Trace.TraceInformation("Connecting to server on {0}", wsServer);
_wsClient = new WebSocketClient(wsServer)
{
OnReceive = OnReceive,
OnDisconnect = OnDisconnect
};
_wsClient.Connect();
Trace.TraceInformation("Subscribing to stanox {0}", stanox);
_wsClient.Send(string.Format("substanox:{0}", stanox));
}
catch (Exception e)
{
Trace.TraceError("Error starting service: {0}", e);
throw;
}
}
private static void OnReceive(UserContext context)
{
try
{
var data = JsonConvert.DeserializeObject <dynamic>(context.DataFrame.ToString());
var response = data.Response[0];
if (Convert.ToByte((string)response.header.msg_type) == 3 && ((string)response.body.event_type).Equals("DEPARTURE", StringComparison.InvariantCultureIgnoreCase))
{
DateTime expectedTs = UnixTsToDateTime(double.Parse((string)response.body.gbtt_timestamp));
DateTime?actualTs = null;
// actual time stamp property name seems to get corrupted
// so just search for anything containing "act"
foreach (var value in response.body)
{
if (value.Name.Contains("act"))
{
actualTs = UnixTsToDateTime(double.Parse((string)value.Value));
break;
}
}
if (actualTs.HasValue && actualTs < expectedTs)
{
string trainId = (string)response.body.train_id;
string tweet = string.Format("Train {0} expected to depart at {1:HH:mm:ss} actual departure {2:HH:mm:ss} - {3}{4}",
trainId,
expectedTs,
actualTs,
_url,
trainId);
var minsEarly = (int)(expectedTs - actualTs).Value.TotalMinutes;
_statistics.EarlyDepartures.Add(minsEarly);
_statistics.Save();
try
{
var train = _repository.GetTrain(trainId);
if (train != null)
{
tweet = string.Format("{0} from {1}({2}) to {3}({4}) expected to depart {5:HH:mm:ss}, actual {6:HH:mm:ss} {7}{8}/{9:yyyy-MM-dd}",
train.Headcode,
train.OriginName,
train.OriginCRS,
train.DestinationName,
train.DestinationCRS,
expectedTs,
actualTs,
_url,
train.TrainUid,
(DateTime)train.OriginDepartTimestamp);
}
}
catch { }
Trace.TraceInformation(tweet);
Trace.Flush();
SendTweet(tweet);
}
}
}
catch (Exception e)
{
Trace.TraceError("Unable to parse message : {0} - {1}", context.DataFrame.ToString(), e);
}
}
protected override void OnStart(string[] args)
{
try
{
string wsServer = ConfigurationManager.AppSettings["ws-server"];
string stanox = ConfigurationManager.AppSettings["stanox"];
if (string.IsNullOrEmpty(wsServer) || string.IsNullOrEmpty(stanox))
throw new ArgumentNullException("", "both ws-server and stanox must be set in app.config");
_statistics = Delays.Load();
if (_statistics.Created.Date < DateTime.Now.Date)
{
const string start = "Early Departures for {0:dd-MM-yy}:";
var statsByMinute = _statistics.EarlyDepartures.GroupBy(v => v);
ICollection<string> values = new List<string>(statsByMinute.Count());
const string format = "{0} mins early:{1}";
foreach (var minutes in statsByMinute)
{
values.Add(string.Format(format, minutes.Key, minutes.Count()));
}
SendTweet(string.Concat(string.Format(start, _statistics.Created), string.Join(",", values.ToArray())));
_statistics = Delays.NewInstance();
_statistics.Save();
}
double lat, lng;
if (double.TryParse(ConfigurationManager.AppSettings["Lat"], out lat) && double.TryParse(ConfigurationManager.AppSettings["Lng"], out lng))
{
Latitude = lat;
Longitude = lng;
}
Trace.TraceInformation("Connecting to server on {0}", wsServer);
_wsClient = new WebSocketClient(wsServer)
{
OnReceive = OnReceive,
OnDisconnect = OnDisconnect
};
_wsClient.Connect();
Trace.TraceInformation("Subscribing to stanox {0}", stanox);
_wsClient.Send(string.Format("substanox:{0}", stanox));
}
catch (Exception e)
{
Trace.TraceError("Error starting service: {0}", e);
throw;
}
}