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authorAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-03-31 22:35:39 -0700
commit59416923dcb3a756eaf532cc4259f2f6625c0762 (patch)
tree9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/protocol/CellocatorProtocolDecoder.java
parent79a129dd6327d932133d6b9a50190d3f4927bff9 (diff)
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Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/protocol/CellocatorProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/CellocatorProtocolDecoder.java177
1 files changed, 177 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/CellocatorProtocolDecoder.java b/src/main/java/org/traccar/protocol/CellocatorProtocolDecoder.java
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index 000000000..d23f76a93
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+++ b/src/main/java/org/traccar/protocol/CellocatorProtocolDecoder.java
@@ -0,0 +1,177 @@
+/*
+ * Copyright 2013 - 2019 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.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+
+public class CellocatorProtocolDecoder extends BaseProtocolDecoder {
+
+ public CellocatorProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ static final int MSG_CLIENT_STATUS = 0;
+ static final int MSG_CLIENT_PROGRAMMING = 3;
+ static final int MSG_CLIENT_SERIAL_LOG = 7;
+ static final int MSG_CLIENT_SERIAL = 8;
+ static final int MSG_CLIENT_MODULAR = 9;
+
+ public static final int MSG_SERVER_ACKNOWLEDGE = 4;
+
+ private byte commandCount;
+
+ private void sendReply(Channel channel, SocketAddress remoteAddress, long deviceId, byte packetNumber) {
+ if (channel != null) {
+ ByteBuf reply = Unpooled.buffer(28);
+ reply.writeByte('M');
+ reply.writeByte('C');
+ reply.writeByte('G');
+ reply.writeByte('P');
+ reply.writeByte(MSG_SERVER_ACKNOWLEDGE);
+ reply.writeIntLE((int) deviceId);
+ reply.writeByte(commandCount++);
+ reply.writeIntLE(0); // authentication code
+ reply.writeByte(0);
+ reply.writeByte(packetNumber);
+ reply.writeZero(11);
+
+ byte checksum = 0;
+ for (int i = 4; i < 27; i++) {
+ checksum += reply.getByte(i);
+ }
+ reply.writeByte(checksum);
+
+ channel.writeAndFlush(new NetworkMessage(reply, remoteAddress));
+ }
+ }
+
+ private String decodeAlarm(short reason) {
+ switch (reason) {
+ case 70:
+ return Position.ALARM_SOS;
+ case 80:
+ return Position.ALARM_POWER_CUT;
+ case 81:
+ return Position.ALARM_LOW_POWER;
+ default:
+ return null;
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ boolean alternative = buf.getByte(buf.readerIndex() + 3) != 'P';
+
+ buf.skipBytes(4); // system code
+ int type = buf.readUnsignedByte();
+ long deviceUniqueId = buf.readUnsignedIntLE();
+
+ if (type != MSG_CLIENT_SERIAL) {
+ buf.readUnsignedShortLE(); // communication control
+ }
+ byte packetNumber = buf.readByte();
+
+ sendReply(channel, remoteAddress, deviceUniqueId, packetNumber);
+
+ if (type == MSG_CLIENT_STATUS) {
+
+ Position position = new Position(getProtocolName());
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(deviceUniqueId));
+ if (deviceSession == null) {
+ return null;
+ }
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.set(Position.KEY_VERSION_HW, buf.readUnsignedByte());
+ position.set(Position.KEY_VERSION_FW, buf.readUnsignedByte());
+ buf.readUnsignedByte(); // protocol version
+
+ position.set(Position.KEY_STATUS, buf.readUnsignedByte() & 0x0f);
+
+ buf.readUnsignedByte(); // operator / configuration flags
+ buf.readUnsignedByte(); // reason data
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
+
+ position.set("mode", buf.readUnsignedByte());
+ position.set(Position.KEY_INPUT, buf.readUnsignedIntLE());
+
+ if (alternative) {
+ buf.readUnsignedByte(); // input
+ position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShortLE());
+ position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShortLE());
+ } else {
+ buf.readUnsignedByte(); // operator
+ position.set(Position.PREFIX_ADC + 1, buf.readUnsignedIntLE());
+ }
+
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedMediumLE());
+
+ buf.skipBytes(6); // multi-purpose data
+ buf.readUnsignedShortLE(); // fix time
+ buf.readUnsignedByte(); // location status
+ buf.readUnsignedByte(); // mode 1
+ buf.readUnsignedByte(); // mode 2
+
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+
+ position.setValid(true);
+
+ if (alternative) {
+ position.setLongitude(buf.readIntLE() / 10000000.0);
+ position.setLatitude(buf.readIntLE() / 10000000.0);
+ } else {
+ position.setLongitude(buf.readIntLE() / Math.PI * 180 / 100000000);
+ position.setLatitude(buf.readIntLE() / Math.PI * 180 / 100000000);
+ }
+
+ position.setAltitude(buf.readIntLE() * 0.01);
+
+ if (alternative) {
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedIntLE()));
+ position.setCourse(buf.readUnsignedShortLE() / 1000.0);
+ } else {
+ position.setSpeed(UnitsConverter.knotsFromMps(buf.readUnsignedIntLE() * 0.01));
+ position.setCourse(buf.readUnsignedShortLE() / Math.PI * 180.0 / 1000.0);
+ }
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setTimeReverse(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
+ .setDateReverse(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedShortLE());
+ position.setTime(dateBuilder.getDate());
+
+ return position;
+ }
+
+ return null;
+ }
+
+}