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-rw-r--r--src/org/traccar/protocol/OigoProtocolDecoder.java157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/OigoProtocolDecoder.java b/src/org/traccar/protocol/OigoProtocolDecoder.java
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+++ b/src/org/traccar/protocol/OigoProtocolDecoder.java
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+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+
+public class OigoProtocolDecoder extends BaseProtocolDecoder {
+
+ public OigoProtocolDecoder(OigoProtocol protocol) {
+ super(protocol);
+ }
+
+ public static final int MSG_LOCATION = 0x00;
+ public static final int MSG_REMOTE_START = 0x10;
+ public static final int MSG_ACKNOWLEDGEMENT = 0xE0;
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ buf.skipBytes(1); // header
+ buf.readUnsignedShort(); // length
+
+ int type = buf.readUnsignedByte();
+
+ int tag = buf.readUnsignedByte();
+
+ DeviceSession deviceSession;
+ switch (BitUtil.to(tag, 3)) {
+ case 0:
+ String imei = ChannelBuffers.hexDump(buf.readBytes(8)).substring(1);
+ deviceSession = getDeviceSession(channel, remoteAddress, imei);
+ break;
+ case 1:
+ buf.skipBytes(1);
+ String meid = buf.readBytes(14).toString(StandardCharsets.US_ASCII);
+ deviceSession = getDeviceSession(channel, remoteAddress, meid);
+ break;
+ default:
+ deviceSession = getDeviceSession(channel, remoteAddress);
+ break;
+ }
+
+ if (deviceSession == null || type != MSG_LOCATION) {
+ return null;
+ }
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+
+ int mask = buf.readInt();
+
+ if (BitUtil.check(mask, 0)) {
+ position.set(Position.KEY_INDEX, buf.readUnsignedShort());
+ }
+
+ if (BitUtil.check(mask, 1)) {
+ int date = buf.readUnsignedByte();
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(BitUtil.between(date, 4, 8) + 2010, BitUtil.to(date, 4), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ position.setTime(dateBuilder.getDate());
+ }
+
+ if (BitUtil.check(mask, 2)) {
+ buf.skipBytes(5); // device time
+ }
+
+ if (BitUtil.check(mask, 3)) {
+ position.setLatitude(buf.readUnsignedInt() * 0.000001 - 90);
+ position.setLongitude(buf.readUnsignedInt() * 0.000001 - 180.0);
+ }
+
+ if (BitUtil.check(mask, 4)) {
+ int status = buf.readUnsignedByte();
+ position.setValid(BitUtil.between(status, 4, 8) != 0);
+ position.set(Position.KEY_SATELLITES, BitUtil.to(status, 4));
+ position.set(Position.KEY_HDOP, buf.readUnsignedByte() * 0.1);
+ }
+
+ if (BitUtil.check(mask, 5)) {
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+ }
+
+ if (BitUtil.check(mask, 6)) {
+ position.setCourse(buf.readUnsignedShort());
+ }
+
+ if (BitUtil.check(mask, 7)) {
+ position.setAltitude(buf.readShort());
+ }
+
+ if (BitUtil.check(mask, 8)) {
+ position.set(Position.KEY_GSM, buf.readUnsignedByte());
+ }
+
+ if (BitUtil.check(mask, 9)) {
+ position.set(Position.KEY_POWER, buf.readUnsignedShort() + "mV");
+ }
+
+ if (BitUtil.check(mask, 10)) {
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort() + "mV");
+ }
+
+ if (BitUtil.check(mask, 11)) {
+ buf.skipBytes(2); // gpio
+ }
+
+ if (BitUtil.check(mask, 12)) {
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
+ }
+
+ if (BitUtil.check(mask, 13)) {
+ buf.skipBytes(6); // software version
+ }
+
+ if (BitUtil.check(mask, 14)) {
+ buf.skipBytes(5); // hardware version
+ }
+
+ if (BitUtil.check(mask, 15)) {
+ buf.readUnsignedShort(); // device config
+ }
+
+ return position;
+ }
+
+}