diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/OwnTracksProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/OwnTracksProtocolDecoder.java | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/OwnTracksProtocolDecoder.java b/src/main/java/org/traccar/protocol/OwnTracksProtocolDecoder.java new file mode 100644 index 000000000..323d97fa3 --- /dev/null +++ b/src/main/java/org/traccar/protocol/OwnTracksProtocolDecoder.java @@ -0,0 +1,215 @@ +/* + * Copyright 2017 Jan-Piet Mens (jpmens@gmail.com) + * Copyright 2017 - 2018 Anton Tananaev (anton@traccar.org) + * + * 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. + */ +package org.traccar.protocol; + +import io.netty.channel.Channel; +import io.netty.handler.codec.http.FullHttpRequest; +import io.netty.handler.codec.http.HttpResponseStatus; +import org.traccar.BaseHttpProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import javax.json.Json; +import javax.json.JsonObject; +import java.io.StringReader; +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; +import java.util.Date; + +public class OwnTracksProtocolDecoder extends BaseHttpProtocolDecoder { + + public OwnTracksProtocolDecoder(Protocol protocol) { + super(protocol); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + FullHttpRequest request = (FullHttpRequest) msg; + JsonObject root = Json.createReader( + new StringReader(request.content().toString(StandardCharsets.US_ASCII))).readObject(); + + if (!root.containsKey("_type")) { + sendResponse(channel, HttpResponseStatus.OK); + return null; + } + if (!root.getString("_type").equals("location") + && !root.getString("_type").equals("lwt")) { + sendResponse(channel, HttpResponseStatus.BAD_REQUEST); + return null; + } + + Position position = new Position(getProtocolName()); + String uniqueId; + + if (root.containsKey("topic")) { + uniqueId = root.getString("topic"); + if (root.containsKey("tid")) { + position.set("tid", root.getString("tid")); + } + } else { + uniqueId = root.getString("tid"); + } + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, uniqueId); + if (deviceSession == null) { + sendResponse(channel, HttpResponseStatus.BAD_REQUEST); + return null; + } + + if (root.getString("_type").equals("lwt")) { + sendResponse(channel, HttpResponseStatus.OK); + return null; + } + + if (root.containsKey("t") && root.getString("t").equals("p")) { + sendResponse(channel, HttpResponseStatus.OK); + return null; + } + + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(new Date(root.getJsonNumber("tst").longValue() * 1000)); + if (root.containsKey("sent")) { + position.setDeviceTime(new Date(root.getJsonNumber("sent").longValue() * 1000)); + } + + position.setValid(true); + + position.setLatitude(root.getJsonNumber("lat").doubleValue()); + position.setLongitude(root.getJsonNumber("lon").doubleValue()); + + if (root.containsKey("vel")) { + position.setSpeed(UnitsConverter.knotsFromKph(root.getInt("vel"))); + } + if (root.containsKey("alt")) { + position.setAltitude(root.getInt("alt")); + } + if (root.containsKey("cog")) { + position.setCourse(root.getInt("cog")); + } + if (root.containsKey("acc")) { + position.setAccuracy(root.getInt("acc")); + } + if (root.containsKey("t")) { + String trigger = root.getString("t"); + position.set("t", trigger); + Integer reportType = -1; + if (root.containsKey("rty")) { + reportType = root.getInt("rty"); + } + setEventOrAlarm(position, trigger, reportType); + } + if (root.containsKey("batt")) { + position.set(Position.KEY_BATTERY_LEVEL, root.getInt("batt")); + } + if (root.containsKey("uext")) { + position.set(Position.KEY_POWER, root.getJsonNumber("uext").doubleValue()); + } + if (root.containsKey("ubatt")) { + position.set(Position.KEY_BATTERY, root.getJsonNumber("ubatt").doubleValue()); + } + if (root.containsKey("vin")) { + position.set(Position.KEY_VIN, root.getString("vin")); + } + if (root.containsKey("name")) { + position.set(Position.KEY_VIN, root.getString("name")); + } + if (root.containsKey("rpm")) { + position.set(Position.KEY_RPM, root.getInt("rpm")); + } + if (root.containsKey("ign")) { + position.set(Position.KEY_IGNITION, root.getBoolean("ign")); + } + if (root.containsKey("motion")) { + position.set(Position.KEY_MOTION, root.getBoolean("motion")); + } + if (root.containsKey("odometer")) { + position.set(Position.KEY_ODOMETER, root.getJsonNumber("odometer").doubleValue() * 1000.0); + } + if (root.containsKey("hmc")) { + position.set(Position.KEY_HOURS, root.getJsonNumber("hmc").doubleValue() / 3600.0); + } + + if (root.containsKey("anum")) { + Integer numberOfAnalogueInputs = root.getInt("anum"); + for (Integer i = 0; i < numberOfAnalogueInputs; i++) { + String indexString = String.format("%02d", i); + if (root.containsKey("adda-" + indexString)) { + position.set(Position.PREFIX_ADC + (i + 1), root.getString("adda-" + indexString)); + } + if (root.containsKey("temp_c-" + indexString)) { + position.set(Position.PREFIX_TEMP + (i + 1), + root.getJsonNumber("temp_c-" + indexString).doubleValue()); + } + } + } + + sendResponse(channel, HttpResponseStatus.OK); + return position; + } + + private void setEventOrAlarm(Position position, String trigger, Integer reportType) { + switch (trigger) { + case "9": + position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY); + break; + case "1": + position.set(Position.KEY_ALARM, Position.ALARM_POWER_ON); + break; + case "i": + position.set(Position.KEY_IGNITION, true); + break; + case "I": + position.set(Position.KEY_IGNITION, false); + break; + case "E": + position.set(Position.KEY_ALARM, Position.ALARM_POWER_RESTORED); + break; + case "e": + position.set(Position.KEY_ALARM, Position.ALARM_POWER_CUT); + break; + case "!": + position.set(Position.KEY_ALARM, Position.ALARM_TOW); + break; + case "s": + position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED); + break; + case "h": + switch (reportType) { + case 0: + case 3: + position.set(Position.KEY_ALARM, Position.ALARM_BRAKING); + break; + case 1: + case 4: + position.set(Position.KEY_ALARM, Position.ALARM_ACCELERATION); + break; + case 2: + case 5: + default: + position.set(Position.KEY_ALARM, Position.ALARM_CORNERING); + break; + } + break; + default: + break; + } + } +} |