688 lines
27 KiB
C++
688 lines
27 KiB
C++
/******************************************************************************
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* TrafficMGr.cxx
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* Written by Durk Talsma, started May 5, 2004.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*
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**************************************************************************/
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/*
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* Traffic manager parses airlines timetable-like data and uses this to
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* determine the approximate position of each AI aircraft in its database.
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* When an AI aircraft is close to the user's position, a more detailed
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* AIModels based simulation is set up.
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*
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* I'm currently assuming the following simplifications:
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* 1) The earth is a perfect sphere
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* 2) Each aircraft flies a perfect great circle route.
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* 3) Each aircraft flies at a constant speed (with infinite accelerations and
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* decelerations)
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* 4) Each aircraft leaves at exactly the departure time.
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* 5) Each aircraft arrives at exactly the specified arrival time.
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*
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*
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <time.h>
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#include <cstring>
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <algorithm>
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#include <simgear/compiler.h>
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#include <simgear/misc/sg_path.hxx>
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#include <simgear/misc/sg_dir.hxx>
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#include <simgear/props/props.hxx>
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#include <simgear/route/waypoint.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/xml/easyxml.hxx>
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#include <AIModel/AIAircraft.hxx>
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#include <AIModel/AIFlightPlan.hxx>
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#include <AIModel/AIBase.hxx>
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#include <Airports/simple.hxx>
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#include <Main/fg_init.hxx>
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#include "TrafficMgr.hxx"
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using std::sort;
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using std::strcmp;
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/******************************************************************************
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* TrafficManager
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*****************************************************************************/
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FGTrafficManager::FGTrafficManager() :
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inited(false),
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enabled("/sim/traffic-manager/enabled"),
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aiEnabled("/sim/ai/enabled"),
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metarValid("/environment/metar/valid")
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{
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//score = 0;
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//runCount = 0;
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acCounter = 0;
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}
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FGTrafficManager::~FGTrafficManager()
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{
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// Save the heuristics data
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bool saveData = false;
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ofstream cachefile;
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if (fgGetBool("/sim/traffic-manager/heuristics")) {
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SGPath cacheData(fgGetString("/sim/fg-home"));
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cacheData.append("ai");
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string airport = fgGetString("/sim/presets/airport-id");
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if ((airport) != "") {
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char buffer[128];
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::snprintf(buffer, 128, "%c/%c/%c/",
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airport[0], airport[1], airport[2]);
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cacheData.append(buffer);
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if (!cacheData.exists()) {
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cacheData.create_dir(0777);
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}
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cacheData.append(airport + "-cache.txt");
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//cerr << "Saving AI traffic heuristics" << endl;
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saveData = true;
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cachefile.open(cacheData.str().c_str());
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}
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}
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for (ScheduleVectorIterator sched = scheduledAircraft.begin();
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sched != scheduledAircraft.end(); sched++) {
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if (saveData) {
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cachefile << (*sched)->getRegistration() << " "
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<< (*sched)->getRunCount() << " "
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<< (*sched)->getHits() << endl;
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}
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delete(*sched);
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}
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if (saveData) {
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cachefile.close();
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}
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scheduledAircraft.clear();
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flights.clear();
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}
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void FGTrafficManager::init()
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{
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if (!enabled || !aiEnabled) {
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return;
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}
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heuristicsVector heuristics;
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HeuristicMap heurMap;
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if (string(fgGetString("/sim/traffic-manager/datafile")) == string("")) {
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simgear::Dir trafficDir(SGPath(globals->get_fg_root(), "AI/Traffic"));
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simgear::PathList d = trafficDir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT);
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for (unsigned int i=0; i<d.size(); ++i) {
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simgear::Dir d2(d[i]);
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simgear::PathList trafficFiles = d2.children(simgear::Dir::TYPE_FILE, ".xml");
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for (unsigned int j=0; j<trafficFiles.size(); ++j) {
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SGPath curFile = trafficFiles[j];
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SG_LOG(SG_GENERAL, SG_DEBUG,
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"Scanning " << curFile.str() << " for traffic");
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readXML(curFile.str(), *this);
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}
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}
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} else {
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fgSetBool("/sim/traffic-manager/heuristics", false);
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SGPath path = string(fgGetString("/sim/traffic-manager/datafile"));
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string ext = path.extension();
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if (path.extension() == "xml") {
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if (path.exists()) {
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readXML(path.str(), *this);
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}
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} else if (path.extension() == "conf") {
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if (path.exists()) {
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readTimeTableFromFile(path);
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}
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} else {
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SG_LOG(SG_GENERAL, SG_ALERT,
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"Unknown data format " << path.str()
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<< " for traffic");
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}
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//exit(1);
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}
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if (fgGetBool("/sim/traffic-manager/heuristics")) {
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//cerr << "Processing Heuristics" << endl;
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// Load the heuristics data
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SGPath cacheData(fgGetString("/sim/fg-home"));
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cacheData.append("ai");
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string airport = fgGetString("/sim/presets/airport-id");
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if ((airport) != "") {
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char buffer[128];
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::snprintf(buffer, 128, "%c/%c/%c/",
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airport[0], airport[1], airport[2]);
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cacheData.append(buffer);
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cacheData.append(airport + "-cache.txt");
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if (cacheData.exists()) {
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ifstream data(cacheData.c_str());
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while (1) {
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Heuristic h; // = new Heuristic;
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data >> h.registration >> h.runCount >> h.hits;
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if (data.eof())
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break;
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HeuristicMapIterator itr = heurMap.find(h.registration);
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if (itr != heurMap.end()) {
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SG_LOG(SG_GENERAL, SG_WARN,"Traffic Manager Warning: found duplicate tailnumber " <<
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h.registration << " for AI aircraft");
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}
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heurMap[h.registration] = h;
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heuristics.push_back(h);
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}
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}
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}
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for (currAircraft = scheduledAircraft.begin();
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currAircraft != scheduledAircraft.end(); currAircraft++) {
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string registration = (*currAircraft)->getRegistration();
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HeuristicMapIterator itr = heurMap.find(registration);
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//cerr << "Processing heuristics for" << (*currAircraft)->getRegistration() << endl;
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if (itr == heurMap.end()) {
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//cerr << "No heuristics found for " << registration << endl;
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} else {
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(*currAircraft)->setrunCount(itr->second.runCount);
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(*currAircraft)->setHits(itr->second.hits);
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//cerr <<"Runcount " << itr->second->runCount << ".Hits " << itr->second->hits << endl;
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}
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}
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//cerr << "Done" << endl;
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//for (heuristicsVectorIterator hvi = heuristics.begin();
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// hvi != heuristics.end(); hvi++) {
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// delete(*hvi);
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//}
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}
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// Do sorting and scoring separately, to take advantage of the "homeport| variable
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for (currAircraft = scheduledAircraft.begin();
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currAircraft != scheduledAircraft.end(); currAircraft++) {
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(*currAircraft)->setScore();
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}
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sort(scheduledAircraft.begin(), scheduledAircraft.end(),
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compareSchedules);
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currAircraft = scheduledAircraft.begin();
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currAircraftClosest = scheduledAircraft.begin();
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inited = true;
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}
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void FGTrafficManager::update(double /*dt */ )
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{
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if (!enabled || !aiEnabled || !metarValid) {
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return;
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}
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if (!inited) {
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// lazy-initialization, we've been enabled at run-time
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SG_LOG(SG_GENERAL, SG_INFO, "doing lazy-init of TrafficManager");
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init();
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}
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time_t now = time(NULL) + fgGetLong("/sim/time/warp");
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if (scheduledAircraft.size() == 0) {
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return;
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}
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SGVec3d userCart =
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SGVec3d::fromGeod(SGGeod::
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fromDeg(fgGetDouble("/position/longitude-deg"),
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fgGetDouble("/position/latitude-deg")));
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if (currAircraft == scheduledAircraft.end()) {
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currAircraft = scheduledAircraft.begin();
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}
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//cerr << "Processing << " << (*currAircraft)->getRegistration() << " with score " << (*currAircraft)->getScore() << endl;
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if (!((*currAircraft)->update(now, userCart))) {
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// NOTE: With traffic manager II, this statement below is no longer true
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// after proper initialization, we shouldnt get here.
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// But let's make sure
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//SG_LOG( SG_GENERAL, SG_ALERT, "Failed to update aircraft schedule in traffic manager");
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}
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currAircraft++;
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}
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void FGTrafficManager::release(int id)
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{
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releaseList.push_back(id);
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}
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bool FGTrafficManager::isReleased(int id)
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{
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IdListIterator i = releaseList.begin();
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while (i != releaseList.end()) {
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if ((*i) == id) {
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releaseList.erase(i);
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return true;
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}
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i++;
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}
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return false;
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}
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void FGTrafficManager::readTimeTableFromFile(SGPath infileName)
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{
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string model;
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string livery;
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string homePort;
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string registration;
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string flightReq;
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bool isHeavy;
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string acType;
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string airline;
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string m_class;
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string FlightType;
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double radius;
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double offset;
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char buffer[256];
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string buffString;
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vector <string> tokens, depTime,arrTime;
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vector <string>::iterator it;
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ifstream infile(infileName.str().c_str());
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while (1) {
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infile.getline(buffer, 256);
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if (infile.eof()) {
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break;
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}
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//cerr << "Read line : " << buffer << endl;
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buffString = string(buffer);
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tokens.clear();
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Tokenize(buffString, tokens, " \t");
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//for (it = tokens.begin(); it != tokens.end(); it++) {
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// cerr << "Tokens: " << *(it) << endl;
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//}
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//cerr << endl;
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if (!tokens.empty()) {
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if (tokens[0] == string("AC")) {
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if (tokens.size() != 13) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Error parsing traffic file " << infileName.str() << " at " << buffString);
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exit(1);
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}
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model = tokens[12];
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livery = tokens[6];
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homePort = tokens[1];
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registration = tokens[2];
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if (tokens[11] == string("false")) {
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isHeavy = false;
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} else {
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isHeavy = true;
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}
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acType = tokens[4];
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airline = tokens[5];
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flightReq = tokens[3] + tokens[5];
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m_class = tokens[10];
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FlightType = tokens[9];
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radius = atof(tokens[8].c_str());
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offset = atof(tokens[7].c_str());;
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SG_LOG(SG_GENERAL, SG_ALERT, "Adding Aircraft" << model << " " << livery << " " << homePort << " "
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<< registration << " " << flightReq << " " << isHeavy
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<< " " << acType << " " << airline << " " << m_class
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<< " " << FlightType << " " << radius << " " << offset);
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scheduledAircraft.push_back(new FGAISchedule(model,
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livery,
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homePort,
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registration,
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flightReq,
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isHeavy,
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acType,
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airline,
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m_class,
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FlightType,
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radius,
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offset));
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}
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if (tokens[0] == string("FLIGHT")) {
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//cerr << "Found flight " << buffString << " size is : " << tokens.size() << endl;
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if (tokens.size() != 10) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Error parsing traffic file " << infileName.str() << " at " << buffString);
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exit(1);
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}
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string callsign = tokens[1];
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string fltrules = tokens[2];
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string weekdays = tokens[3];
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string departurePort = tokens[5];
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string arrivalPort = tokens[7];
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int cruiseAlt = atoi(tokens[8].c_str());
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string depTimeGen = tokens[4];
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string arrTimeGen = tokens[6];
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string repeat = "WEEK";
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string requiredAircraft = tokens[9];
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if (weekdays.size() != 7) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Found misconfigured weekdays string" << weekdays);
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exit(1);
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}
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depTime.clear();
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arrTime.clear();
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Tokenize(depTimeGen, depTime, ":");
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Tokenize(arrTimeGen, arrTime, ":");
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double dep = atof(depTime[0].c_str()) + (atof(depTime[1].c_str()) / 60.0);
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double arr = atof(arrTime[0].c_str()) + (atof(arrTime[1].c_str()) / 60.0);
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//cerr << "Using " << dep << " " << arr << endl;
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bool arrivalWeekdayNeedsIncrement = false;
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if (arr < dep) {
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arrivalWeekdayNeedsIncrement = true;
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}
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for (int i = 0; i < 7; i++) {
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int j = i+1;
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if (weekdays[i] != '.') {
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char buffer[4];
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snprintf(buffer, 4, "%d/", j);
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string departureTime = string(buffer) + depTimeGen + string(":00");
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string arrivalTime;
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if (!arrivalWeekdayNeedsIncrement) {
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arrivalTime = string(buffer) + arrTimeGen + string(":00");
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}
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if (arrivalWeekdayNeedsIncrement && i != 6 ) {
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snprintf(buffer, 4, "%d/", j+1);
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arrivalTime = string(buffer) + arrTimeGen + string(":00");
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}
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if (arrivalWeekdayNeedsIncrement && i == 6 ) {
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snprintf(buffer, 4, "%d/", 0);
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arrivalTime = string(buffer) + arrTimeGen + string(":00");
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}
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SG_LOG(SG_GENERAL, SG_ALERT, "Adding flight " << callsign << " "
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<< fltrules << " "
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<< departurePort << " "
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<< arrivalPort << " "
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<< cruiseAlt << " "
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<< departureTime << " "
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<< arrivalTime << " "
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<< repeat << " "
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<< requiredAircraft);
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flights[requiredAircraft].push_back(new FGScheduledFlight(callsign,
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fltrules,
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departurePort,
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arrivalPort,
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cruiseAlt,
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departureTime,
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arrivalTime,
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repeat,
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requiredAircraft));
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}
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}
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}
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}
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}
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//exit(1);
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}
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void FGTrafficManager::Tokenize(const string& str,
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vector<string>& tokens,
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const string& delimiters)
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{
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// Skip delimiters at beginning.
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string::size_type lastPos = str.find_first_not_of(delimiters, 0);
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// Find first "non-delimiter".
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string::size_type pos = str.find_first_of(delimiters, lastPos);
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while (string::npos != pos || string::npos != lastPos)
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{
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// Found a token, add it to the vector.
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tokens.push_back(str.substr(lastPos, pos - lastPos));
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// Skip delimiters. Note the "not_of"
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lastPos = str.find_first_not_of(delimiters, pos);
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// Find next "non-delimiter"
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pos = str.find_first_of(delimiters, lastPos);
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}
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}
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void FGTrafficManager::startXML()
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{
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//cout << "Start XML" << endl;
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requiredAircraft = "";
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homePort = "";
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}
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void FGTrafficManager::endXML()
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{
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//cout << "End XML" << endl;
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}
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void FGTrafficManager::startElement(const char *name,
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const XMLAttributes & atts)
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{
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const char *attval;
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//cout << "Start element " << name << endl;
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//FGTrafficManager temp;
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//for (int i = 0; i < atts.size(); i++)
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// if (string(atts.getName(i)) == string("include"))
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attval = atts.getValue("include");
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if (attval != 0) {
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//cout << "including " << attval << endl;
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SGPath path = globals->get_fg_root();
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path.append("/Traffic/");
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path.append(attval);
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readXML(path.str(), *this);
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}
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elementValueStack.push_back("");
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// cout << " " << atts.getName(i) << '=' << atts.getValue(i) << endl;
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}
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void FGTrafficManager::endElement(const char *name)
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{
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//cout << "End element " << name << endl;
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const string & value = elementValueStack.back();
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if (!strcmp(name, "model"))
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mdl = value;
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else if (!strcmp(name, "livery"))
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livery = value;
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else if (!strcmp(name, "home-port"))
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homePort = value;
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else if (!strcmp(name, "registration"))
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registration = value;
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else if (!strcmp(name, "airline"))
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airline = value;
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else if (!strcmp(name, "actype"))
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acType = value;
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else if (!strcmp(name, "required-aircraft"))
|
|
requiredAircraft = value;
|
|
else if (!strcmp(name, "flighttype"))
|
|
flighttype = value;
|
|
else if (!strcmp(name, "radius"))
|
|
radius = atoi(value.c_str());
|
|
else if (!strcmp(name, "offset"))
|
|
offset = atoi(value.c_str());
|
|
else if (!strcmp(name, "performance-class"))
|
|
m_class = value;
|
|
else if (!strcmp(name, "heavy")) {
|
|
if (value == string("true"))
|
|
heavy = true;
|
|
else
|
|
heavy = false;
|
|
} else if (!strcmp(name, "callsign"))
|
|
callsign = value;
|
|
else if (!strcmp(name, "fltrules"))
|
|
fltrules = value;
|
|
else if (!strcmp(name, "port"))
|
|
port = value;
|
|
else if (!strcmp(name, "time"))
|
|
timeString = value;
|
|
else if (!strcmp(name, "departure")) {
|
|
departurePort = port;
|
|
departureTime = timeString;
|
|
} else if (!strcmp(name, "cruise-alt"))
|
|
cruiseAlt = atoi(value.c_str());
|
|
else if (!strcmp(name, "arrival")) {
|
|
arrivalPort = port;
|
|
arrivalTime = timeString;
|
|
} else if (!strcmp(name, "repeat"))
|
|
repeat = value;
|
|
else if (!strcmp(name, "flight")) {
|
|
// We have loaded and parsed all the information belonging to this flight
|
|
// so we temporarily store it.
|
|
//cerr << "Pusing back flight " << callsign << endl;
|
|
//cerr << callsign << " " << fltrules << " "<< departurePort << " " << arrivalPort << " "
|
|
// << cruiseAlt << " " << departureTime<< " "<< arrivalTime << " " << repeat << endl;
|
|
|
|
//Prioritize aircraft
|
|
string apt = fgGetString("/sim/presets/airport-id");
|
|
//cerr << "Airport information: " << apt << " " << departurePort << " " << arrivalPort << endl;
|
|
//if (departurePort == apt) score++;
|
|
//flights.push_back(new FGScheduledFlight(callsign,
|
|
// fltrules,
|
|
// departurePort,
|
|
// arrivalPort,
|
|
// cruiseAlt,
|
|
// departureTime,
|
|
// arrivalTime,
|
|
// repeat));
|
|
if (requiredAircraft == "") {
|
|
char buffer[16];
|
|
snprintf(buffer, 16, "%d", acCounter);
|
|
requiredAircraft = buffer;
|
|
}
|
|
SG_LOG(SG_GENERAL, SG_DEBUG, "Adding flight: " << callsign << " "
|
|
<< fltrules << " "
|
|
<< departurePort << " "
|
|
<< arrivalPort << " "
|
|
<< cruiseAlt << " "
|
|
<< departureTime << " "
|
|
<< arrivalTime << " " << repeat << " " << requiredAircraft);
|
|
// For database maintainance purposes, it may be convenient to
|
|
//
|
|
if (fgGetBool("/sim/traffic-manager/dumpdata") == true) {
|
|
SG_LOG(SG_GENERAL, SG_ALERT, "Traffic Dump FLIGHT," << callsign << ","
|
|
<< fltrules << ","
|
|
<< departurePort << ","
|
|
<< arrivalPort << ","
|
|
<< cruiseAlt << ","
|
|
<< departureTime << ","
|
|
<< arrivalTime << "," << repeat << "," << requiredAircraft);
|
|
}
|
|
flights[requiredAircraft].push_back(new FGScheduledFlight(callsign,
|
|
fltrules,
|
|
departurePort,
|
|
arrivalPort,
|
|
cruiseAlt,
|
|
departureTime,
|
|
arrivalTime,
|
|
repeat,
|
|
requiredAircraft));
|
|
requiredAircraft = "";
|
|
} else if (!strcmp(name, "aircraft")) {
|
|
string isHeavy;
|
|
if (heavy) {
|
|
isHeavy = "true";
|
|
} else {
|
|
isHeavy = "false";
|
|
}
|
|
/*
|
|
cerr << "Traffic Dump AC," << homePort << "," << registration << "," << requiredAircraft
|
|
<< "," << acType << "," << livery << ","
|
|
<< airline << "," << offset << "," << radius << "," << flighttype << "," << isHeavy << "," << mdl << endl;*/
|
|
int proportion =
|
|
(int) (fgGetDouble("/sim/traffic-manager/proportion") * 100);
|
|
int randval = rand() & 100;
|
|
if (randval <= proportion) {
|
|
if (fgGetBool("/sim/traffic-manager/dumpdata") == true) {
|
|
SG_LOG(SG_GENERAL, SG_ALERT, "Traffic Dump AC," << homePort << "," << registration << "," << requiredAircraft
|
|
<< "," << acType << "," << livery << ","
|
|
<< airline << "," << m_class << "," << offset << "," << radius << "," << flighttype << "," << isHeavy << "," << mdl);
|
|
}
|
|
//scheduledAircraft.push_back(new FGAISchedule(mdl,
|
|
// livery,
|
|
// registration,
|
|
// heavy,
|
|
// acType,
|
|
// airline,
|
|
// m_class,
|
|
// flighttype,
|
|
// radius,
|
|
// offset,
|
|
// score,
|
|
// flights));
|
|
if (requiredAircraft == "") {
|
|
char buffer[16];
|
|
snprintf(buffer, 16, "%d", acCounter);
|
|
requiredAircraft = buffer;
|
|
}
|
|
if (homePort == "") {
|
|
homePort = departurePort;
|
|
}
|
|
scheduledAircraft.push_back(new FGAISchedule(mdl,
|
|
livery,
|
|
homePort,
|
|
registration,
|
|
requiredAircraft,
|
|
heavy,
|
|
acType,
|
|
airline,
|
|
m_class,
|
|
flighttype,
|
|
radius, offset));
|
|
|
|
// while(flights.begin() != flights.end()) {
|
|
// flights.pop_back();
|
|
// }
|
|
} else {
|
|
cerr << "Skipping : " << randval;
|
|
}
|
|
acCounter++;
|
|
requiredAircraft = "";
|
|
homePort = "";
|
|
//for (FGScheduledFlightVecIterator flt = flights.begin(); flt != flights.end(); flt++)
|
|
// {
|
|
// delete (*flt);
|
|
// }
|
|
//flights.clear();
|
|
SG_LOG(SG_GENERAL, SG_BULK, "Reading aircraft : "
|
|
<< registration << " with prioritization score " << score);
|
|
score = 0;
|
|
}
|
|
elementValueStack.pop_back();
|
|
}
|
|
|
|
void FGTrafficManager::data(const char *s, int len)
|
|
{
|
|
string token = string(s, len);
|
|
//cout << "Character data " << string(s,len) << endl;
|
|
elementValueStack.back() += token;
|
|
}
|
|
|
|
void FGTrafficManager::pi(const char *target, const char *data)
|
|
{
|
|
//cout << "Processing instruction " << target << ' ' << data << endl;
|
|
}
|
|
|
|
void FGTrafficManager::warning(const char *message, int line, int column)
|
|
{
|
|
SG_LOG(SG_IO, SG_WARN,
|
|
"Warning: " << message << " (" << line << ',' << column << ')');
|
|
}
|
|
|
|
void FGTrafficManager::error(const char *message, int line, int column)
|
|
{
|
|
SG_LOG(SG_IO, SG_ALERT,
|
|
"Error: " << message << " (" << line << ',' << column << ')');
|
|
}
|