// GET api/tim?linkid=xxx
public HttpResponseMessage Get(string linkid)
{
Trace.TraceInformation("[TRACE] Entering TimController::Get(string linkid)...");
if (srInfloDbContext == null)
{
return(this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError, "Error connecting to Inflo DB"));
}
else
{
TMEOutput_Recommended_QWARN_CVMessage[] rQWarnAlerts;
LoadApplicableAlerts(linkid, out rQWarnAlerts);
try{
var rawTimMessageContent = GenerateTimFromAlerts(rQWarnAlerts);//new byte[] { 0x30, 0x0F, 0x80, 0x01, 0x10, 0x81, 0x04, 0x25, 0x0f, 0x35, 0xad, 0xa4, 0x00, 0x85, 0x02, 0x00, 0x00 };
TimMessage rTimMessage = new TimMessage();
rTimMessage.payload = string.Concat(Array.ConvertAll(rawTimMessageContent, b => b.ToString("X2")));
return(this.Request.CreateResponse <TimMessage>(HttpStatusCode.OK, rTimMessage));
}
catch (Exception)
{
return(this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError, "Error generating TIM Message"));
}
}
}
public HttpResponseMessage Post([FromBody] TimMessage message)
{
if (this.ModelState.IsValid)
{
if (srTimV2VTable != null)
{
srTimV2VTable.ExecuteAsync(
Microsoft.WindowsAzure.Storage.Table.TableOperation.Insert(
new TimV2VTableEntity(message)));
}
}
return(Request.CreateResponse(HttpStatusCode.OK));
}
// GET api/tim
public HttpResponseMessage Get(string roadwayid, double mm)
{
Trace.TraceInformation("[TRACE] Entering TimController::Get(string roadwayid, double mm)...");
if (srInfloDbContext == null)
{
return(this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError, "Error connecting to Inflo DB"));
}
else
{
srInfloDbContext.ChangeTracker.DetectChanges();
//TODO reduce alerts we care about.
var qWarnRoadwayAlerts = srInfloDbContext.TMEOutput_QWARNMessage_CV.Where(a => a.RoadwayID.Equals(roadwayid)) /*.Where(a => System.Data.Entity.DbFunctions.AddSeconds(a.DateGenerated, a.ValidityDuration ?? 20) >= DateTime.UtcNow)*/;
var qWarnIncrAlerts = qWarnRoadwayAlerts.Where(a => a.BOQMMLocation <= a.FOQMMLocation).Where(a => (mm + AlertSearchRadius) >= a.BOQMMLocation && (mm - AlertSearchRadius) <= a.FOQMMLocation).OrderByDescending(a => a.DateGenerated).Take(1);
var qWarnDecrAlerts = qWarnRoadwayAlerts.Where(a => a.BOQMMLocation > a.FOQMMLocation).Where(a => (mm - AlertSearchRadius) <= a.BOQMMLocation && (mm + AlertSearchRadius) >= a.FOQMMLocation).OrderByDescending(a => a.DateGenerated).Take(1);
var qWarnApplicableAlerts = qWarnIncrAlerts.Union(qWarnDecrAlerts).ToList();
var qWarnAheadIncrAlerts = qWarnRoadwayAlerts.Where(a => a.BOQMMLocation <= a.FOQMMLocation).Where(a => (mm + QWarnAheadDistance + AlertSearchRadius) >= a.BOQMMLocation && (mm - AlertSearchRadius) <= a.BOQMMLocation).OrderByDescending(a => a.DateGenerated).Take(1);
var qWarnAheadDecrAlerts = qWarnRoadwayAlerts.Where(a => a.BOQMMLocation > a.FOQMMLocation).Where(a => (mm - QWarnAheadDistance - AlertSearchRadius) <= a.BOQMMLocation && (mm + AlertSearchRadius) >= a.BOQMMLocation).OrderByDescending(a => a.DateGenerated).Take(1);
var qWarnAheadApplicableAlerts = qWarnAheadIncrAlerts.Union(qWarnAheadDecrAlerts).ToList();
var spdHarmRoadwayAlerts = srInfloDbContext.TMEOutput_SPDHARMMessage_CV.Where(a => a.RoadwayId.Equals(roadwayid)).Where(a => System.Data.Entity.DbFunctions.AddSeconds(a.DateGenerated, a.ValidityDuration ?? 20) >= DateTime.UtcNow);
var spdHarmIncrAlerts = spdHarmRoadwayAlerts.Where(a => a.BeginMM <= a.EndMM).Where(a => (mm + AlertSearchRadius) >= a.BeginMM && (mm - AlertSearchRadius) <= a.EndMM).OrderByDescending(a => a.DateGenerated).Take(1);
var spdHarmDecrAlerts = spdHarmRoadwayAlerts.Where(a => a.BeginMM > a.EndMM).Where(a => (mm - AlertSearchRadius) <= a.BeginMM && (mm + AlertSearchRadius) >= a.EndMM).OrderByDescending(a => a.DateGenerated).Take(1);
var spdHarmApplicableAlerts = spdHarmIncrAlerts.Union(spdHarmDecrAlerts).ToList();
try
{
ExtractedTIM timMessage = new ExtractedTIM();
timMessage.setPacketId(TimAgencyId, DateTime.Now);
List <ExtractedTimFrame> frames = new List <ExtractedTimFrame>();
foreach (var alert in qWarnApplicableAlerts)
{
double startMM = alert.BOQMMLocation;
double endMM = (double)alert.FOQMMLocation;
double length = Math.Abs(endMM - startMM);
int time = -1;
if (alert.SpeedInQueue != null && alert.SpeedInQueue != 0)
{
time = (int)(length * 60 / (short)alert.SpeedInQueue);
}
int duration = alert.ValidityDuration == null ? AlertDefaultDuration : (int)alert.ValidityDuration;
ExtractedTimFrame frame = BuildAlertFrame(roadwayid, String.Format("q,{0:F1},{1},{2}", length, time, "Q-WARN: In Queue"), alert.DateGenerated, duration, startMM, endMM);
if (frame.getAlertPathCount() > 0)
{
frames.Add(frame);
}
}
foreach (var alert in qWarnAheadApplicableAlerts)
{
double endMM = alert.BOQMMLocation;
double startMM;
if (alert.BOQMMLocation > alert.FOQMMLocation)
{
startMM = endMM + QWarnAheadDistance;
}
else
{
startMM = endMM - QWarnAheadDistance;
}
double length = Math.Abs(endMM - startMM);
int time = -1;
if (alert.SpeedInQueue != null && alert.SpeedInQueue != 0)
{
time = (int)(length * 60 / (short)alert.SpeedInQueue);
}
int duration = alert.ValidityDuration == null ? AlertDefaultDuration : (int)alert.ValidityDuration;
ExtractedTimFrame frame = BuildAlertFrame(roadwayid, String.Format("a,{0:F1},{1},{2}", length, time, "Q-WARN: Queue Ahead"), alert.DateGenerated, duration, startMM, endMM);
if (frame.getAlertPathCount() > 0)
{
frames.Add(frame);
}
}
foreach (var alert in spdHarmApplicableAlerts)
{
double startMM = alert.BeginMM;
double endMM = (double)alert.EndMM;
int duration = alert.ValidityDuration == null ? AlertDefaultDuration : (int)alert.ValidityDuration;
ExtractedTimFrame frame = BuildAlertFrame(roadwayid, String.Format("s,{0},{1}", alert.RecommendedSpeed, alert.Justification), alert.DateGenerated, duration, startMM, endMM);
if (frame.getAlertPathCount() > 0)
{
frames.Add(frame);
}
}
timMessage.setFrames(frames.ToArray());
var rawTimMessageContent = timMessage.generateASN();
TimMessage rTimMessage = new TimMessage();
rTimMessage.payload = string.Concat(Array.ConvertAll(rawTimMessageContent, b => b.ToString("X2")));
return(this.Request.CreateResponse <TimMessage>(HttpStatusCode.OK, rTimMessage));
}
catch (Exception e)
{
return(this.Request.CreateErrorResponse(HttpStatusCode.InternalServerError, "Error generating TIM Message", e));
}
}
}
