[31] | 1 | /************************************************************************************ |
---|
| 2 | * Copyright (C) 2008 by Politehnica University of Bucharest and Rutgers University |
---|
| 3 | * All rights reserved. |
---|
| 4 | * Refer to LICENSE for terms and conditions of use. |
---|
| 5 | ***********************************************************************************/ |
---|
| 6 | package vnsim.vehicular.routePlan.selfRouted; |
---|
| 7 | |
---|
| 8 | |
---|
| 9 | import java.util.Date; |
---|
| 10 | |
---|
| 11 | import vnsim.applications.trafficview.SimulatedCarInfo; |
---|
| 12 | import vnsim.applications.vitp.CarRunningVITP; |
---|
| 13 | import vnsim.applications.vitp.utils.VITPRequest; |
---|
| 14 | import vnsim.map.object.Globals; |
---|
| 15 | import vnsim.vehicular.simulator.CarInstance; |
---|
| 16 | import vnsim.vehicular.simulator.RouteSegment; |
---|
| 17 | |
---|
| 18 | |
---|
| 19 | |
---|
| 20 | |
---|
| 21 | public class QueryGeneration{ |
---|
| 22 | |
---|
| 23 | public static void generateQueryForCar(CarInstance car){ |
---|
| 24 | |
---|
| 25 | |
---|
| 26 | if ((car.routingType % 2 == 1) |
---|
| 27 | && (car.queryTime == Globals.engine.crtTime % 3000)) { |
---|
| 28 | //System.out.println("Car "+car.ID+"gen query"); |
---|
| 29 | |
---|
| 30 | SimulatedCarInfo myCar = Globals.engine.getCarIdx(car.ID); |
---|
| 31 | if (myCar != null) { |
---|
| 32 | RouteSegment nextHop = null; |
---|
| 33 | int ah,pt1,pt2; |
---|
| 34 | for (ah = 0; ah < Globals.routePlanConstants.HOW_FAR_AHEAD; ah++) { |
---|
| 35 | // |
---|
| 36 | nextHop = getNextSegmentFromRoute(car,(ah + 1)); |
---|
| 37 | |
---|
| 38 | if (nextHop != null) { |
---|
| 39 | pt1 = nextHop.pt1; |
---|
| 40 | pt2 = nextHop.pt2; |
---|
| 41 | if (pt1 < pt2) { |
---|
| 42 | if (pt2 - 4 > pt1) { |
---|
| 43 | pt1 = pt2 - 4; |
---|
| 44 | } |
---|
| 45 | } else { |
---|
| 46 | if (pt2 + 4 < pt1) { |
---|
| 47 | pt1 = pt2 + 4; |
---|
| 48 | } |
---|
| 49 | } |
---|
| 50 | |
---|
| 51 | VITPRequest req = new VITPRequest( |
---|
| 52 | (short) nextHop.roadIndex, |
---|
| 53 | (short) pt1, (short) pt2, |
---|
| 54 | (short) -1, (short) -1, (short) -1, |
---|
| 55 | new Date(), new Date(), "none", -1, |
---|
| 56 | "RI ", "GET", |
---|
| 57 | "/Route/Time?[cnt=3&tout=30000msec]"); |
---|
| 58 | try { |
---|
| 59 | ((CarRunningVITP) myCar).p |
---|
| 60 | .postMessageFromAbove(req); |
---|
| 61 | car.sentMsgCount++; |
---|
| 62 | } catch (Exception e) { |
---|
| 63 | e.printStackTrace(); |
---|
| 64 | } |
---|
| 65 | // |
---|
| 66 | } |
---|
| 67 | } |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | |
---|
| 71 | |
---|
| 72 | } |
---|
| 73 | |
---|
| 74 | |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | public static RouteSegment getNextSegmentFromRoute(CarInstance car, int far) { |
---|
| 78 | RouteSegment rez = null; |
---|
| 79 | if (car.routeIndex + far < car.route.length) { |
---|
| 80 | try { |
---|
| 81 | rez = car.route[car.routeIndex + far]; |
---|
| 82 | } catch (Exception e) { |
---|
| 83 | // no more streets |
---|
| 84 | |
---|
| 85 | } |
---|
| 86 | } |
---|
| 87 | return rez; |
---|
| 88 | } |
---|
| 89 | |
---|
| 90 | |
---|
| 91 | |
---|
| 92 | } |
---|