// ---------------------------------------------------------------------------- // Copyright 2007-2013, GeoTelematic Solutions, Inc. // All rights reserved // ---------------------------------------------------------------------------- // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // // ---------------------------------------------------------------------------- // Description: (EXPERIMENTAL! Still under development!) // Tools for obtaining information from the Google Mobile Service API // ---------------------------------------------------------------------------- // Change History: // 2010/05/24 Martin D. Flynn // -Initial release // 2011/06/16 Martin D. Flynn // -Moved from org.opengts.google // ---------------------------------------------------------------------------- package org.opengts.cellid.google; import java.lang.*; import java.util.*; import java.io.*; import java.awt.*; import java.net.*; import org.opengts.util.*; import org.opengts.cellid.*; import org.opengts.cellid.CellTower; /** *** Tools for obtaining information from the Google Mobile Service API **/ public class GoogleMobileService extends MobileLocationProviderAdapter implements MobileLocationProvider { // ------------------------------------------------------------------------ private static final String MOBILE_SERVICE_URI = "http://www.google.com/glm/mmap"; private static final String VERSION = "0.1.2"; // ------------------------------------------------------------------------ private static final String PROP_timeoutMS = "timeoutMS"; // ------------------------------------------------------------------------ private static final long DefaultServiceTimeout = 5000L; // milliseconds // ------------------------------------------------------------------------ /** *** Encode request array **/ private static byte[] encodeRequest(CellTower cti) { /* invalid cell-tower info */ if (cti == null) { return null; } /* extract cell info */ int mcc = cti.getMobileCountryCode(); int mnc = cti.getMobileNetworkCode(); int cid = cti.getCellTowerID(); int lac = cti.getLocationAreaCode(); /* return response */ return GoogleMobileService.encodeRequest(mcc, mnc, cid, lac); } /** *** Encode request array **/ private static byte[] encodeRequest(int mcc, int mnc, int cid, int lac) { /* UMTS CellID? */ boolean isUMTS = (cid > 65535); int cidLen = (cid > 65536)? 5 : 3; /* encode */ Payload p = new Payload(); p.writeUInt(0x000E,2); // 0x00 0: 2 p.writeZeroFill(8); // 0x02 2: 8 p.writeZeroFill(2); // 0x0A 10: 2 p.writeZeroFill(2); // 0x0C 12: 2 p.writeZeroFill(2); // 0x0E 14: 2 p.writeUInt(0x1B,1); // 0x10 16: 1 p.writeUInt(mnc,4); // 0x11 17: 4 p.writeUInt(mcc,4); // 0x15 21: 4 p.writeZeroFill(3); // 0x19 25: 3 p.writeUInt(cidLen,1); // 0x1C 28: 1 p.writeZeroFill(2); // 0x1D 29: 2 p.writeUInt(cid,4); // 0x1F 31: 4 p.writeUInt(lac,4); // 0x23 35: 4 p.writeUInt(mnc,4); // 0x27 39: 4 p.writeUInt(mcc,4); // 0x2B 43: 4 p.writeUInt(0xFF,1); // 0x2F 47: 1 p.writeUInt(0xFF,1); // 0x30 48: 1 p.writeUInt(0xFF,1); // 0x31 49: 1 p.writeUInt(0xFF,1); // 0x32 50: 1 p.writeZeroFill(4); // 0x33 51: 4 /* return */ byte b[] = p.getBytes(); Print.logInfo("Request length: " + b.length); return b; } // ------------------------------------------------------------------------ /** *** Decode location information **/ private static GeoPoint decodeLocation(byte data[]) { /* response length */ if (data == null) { Print.logWarn("Response is null"); return null; } Print.logInfo("Response length: " + data.length); Print.logInfo("Response: " + StringTools.toHexString(data)); Print.logInfo("Response: " + StringTools.toStringValue(data,'.')); /* invalid response */ if (data.length < 7) { return null; } /* parse */ Payload p = new Payload(data); long optCode1 = p.readULong(2,0L); long optCode2 = p.readULong(1,0L); long success = p.readULong(4,0L); if (success != 0) { Print.logWarn("Google Mobile Service Error: " + success); //return null; } /* return GeoPoint */ double latitude = p.readLong(4,0L) / 1000000.0; double longitude = p.readLong(4,0L) / 1000000.0; return new GeoPoint(latitude, longitude); } // ------------------------------------------------------------------------ /* get CellTower location */ public static MobileLocation _getMobileLocation( int mcc, int mnc, int cid, int lac, long timeout) { if ((mcc > 0) || (mnc > 0)) { try { byte req[] = GoogleMobileService.encodeRequest(mcc, mnc, cid, lac); byte rsp[] = HTMLTools.readPage_POST(MOBILE_SERVICE_URI, HTMLTools.MIME_BINARY(), req, (int)timeout); GeoPoint gp = GoogleMobileService.decodeLocation(rsp); return new MobileLocation(gp); } catch (Throwable th) { Print.logException("Google Mobile API Error",th); return null; } } else { return null; } } /* get CellTower location */ public static MobileLocation _getMobileLocation( CellTower servCT, CellTower nborCT[], // ignored long timeoutMS) { /* invalid cell-tower info */ if (servCT == null) { return null; } /* extract cell info */ int mcc = servCT.getMobileCountryCode(); int mnc = servCT.getMobileNetworkCode(); int cid = servCT.getCellTowerID(); int lac = servCT.getLocationAreaCode(); /* return response */ return GoogleMobileService._getMobileLocation( mcc, mnc, cid, lac, timeoutMS); } // ------------------------------------------------------------------------ // ------------------------------------------------------------------------ // MobileLocationProvider interface public GoogleMobileService(String name, String key, RTProperties rtProps) { super(name, key, rtProps); } public MobileLocation getMobileLocation(CellTower servCT, CellTower nborCT[]) { long tmoMS = this.getProperties().getLong(PROP_timeoutMS, DefaultServiceTimeout); return GoogleMobileService._getMobileLocation(servCT, nborCT, tmoMS); } // ------------------------------------------------------------------------ // ------------------------------------------------------------------------ // ------------------------------------------------------------------------ // GMAPI: -mcc=240 -mnc=4 -lac=1341 -cid=67780667 [ 58.39586/ 15.56200] // GMAPI: -mcc=208 -mnc=20 -lac=277 -cid=23800 [ 48.72228/ 0.26520] // GMAPI: -mcc=505 -mnc=1 -lac=60301 -cid=61652 [-31.98531/115.93802] // ------------------------------------------------------------------------ // http://cellid.labs.ericsson.net/json/lookup?cellid=67780667&mnc=4&mcc=240&lac=1341&key= // http://www.opencellid.org/cell/get?key=myapikey&mnc=4&mcc=240&lac=1341&cellid=67780667 [57.72080/13.34455] public static void main(String argv[]) { RTConfig.setCommandLineArgs(argv); int mcc = RTConfig.getInt("mcc",-1); int mnc = RTConfig.getInt("mnc",-1); int cid = RTConfig.getInt("cid",-1); int lac = RTConfig.getInt("lac",-1); CellTower cti = new CellTower(mcc,mnc,-1,cid,lac,-1,-1); MobileLocation ml = GoogleMobileService._getMobileLocation(cti, null, -1L); Print.logInfo("Mobile Location: " + ml); } }