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authorAnton Tananaev <anton.tananaev@gmail.com>2015-12-15 21:26:55 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2015-12-15 22:13:33 +1300
commit3b3ffac17aadd53dda2476350b5ab0017c2cfaa9 (patch)
tree93532e7c102125bc10f96f77159e62d64c83df4d /src/org/traccar/protocol
parent7040ded21ce6196a71b94c4ff8b3e45a4d937e93 (diff)
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Implement ThinkRace communication protocol
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/ThinkRaceProtocol.java43
-rw-r--r--src/org/traccar/protocol/ThinkRaceProtocolDecoder.java106
2 files changed, 149 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/ThinkRaceProtocol.java b/src/org/traccar/protocol/ThinkRaceProtocol.java
new file mode 100644
index 000000000..c9d6c7fc1
--- /dev/null
+++ b/src/org/traccar/protocol/ThinkRaceProtocol.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2015 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.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.ChannelPipeline;
+import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class ThinkRaceProtocol extends BaseProtocol {
+
+ public ThinkRaceProtocol() {
+ super("thinkrace");
+ }
+
+ @Override
+ public void initTrackerServers(List<TrackerServer> serverList) {
+ serverList.add(new TrackerServer(new ServerBootstrap(), this.getName()) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 2 + 12 + 1 + 1, 2, 2, 0));
+ pipeline.addLast("objectDecoder", new ThinkRaceProtocolDecoder(ThinkRaceProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/org/traccar/protocol/ThinkRaceProtocolDecoder.java b/src/org/traccar/protocol/ThinkRaceProtocolDecoder.java
new file mode 100644
index 000000000..a5a1ef784
--- /dev/null
+++ b/src/org/traccar/protocol/ThinkRaceProtocolDecoder.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2015 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.helper.BitUtil;
+import org.traccar.model.Event;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.Charset;
+import java.util.Date;
+
+public class ThinkRaceProtocolDecoder extends BaseProtocolDecoder {
+
+ public ThinkRaceProtocolDecoder(ThinkRaceProtocol protocol) {
+ super(protocol);
+ }
+
+ public static final int MSG_LOGIN = 0x80;
+ public static final int MSG_GPS = 0x90;
+
+ private static double convertCoordinate(long raw, boolean negative) {
+ double result = raw / 1000000;
+ result += (raw % 1000000) * 0.0001 / 60;
+ if (negative) {
+ result = -result;
+ }
+ return result;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+
+ buf.skipBytes(2); // header
+ ChannelBuffer id = buf.readBytes(12);
+ buf.readUnsignedByte(); // separator
+ int type = buf.readUnsignedByte();
+ buf.readUnsignedShort(); // length
+
+ if (type == MSG_LOGIN) {
+
+ int command = buf.readUnsignedByte(); // 0x00 - heartbeat
+
+ if (command == 0x01) {
+ String imei = buf.toString(buf.readerIndex(), 15, Charset.defaultCharset());
+ if (identify(imei, channel, remoteAddress) && channel != null) {
+ ChannelBuffer response = ChannelBuffers.dynamicBuffer();
+ response.writeByte(0x48); response.writeByte(0x52); // header
+ response.writeBytes(id);
+ response.writeByte(0x2c); // separator
+ response.writeByte(type);
+ response.writeShort(0x0002); // length
+ response.writeShort(0x8000);
+ response.writeShort(0x0000); // checksum
+ channel.write(response);
+ }
+ }
+
+ } else if (hasDeviceId() && type == MSG_GPS) {
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(getDeviceId());
+
+ position.setTime(new Date(buf.readUnsignedInt() * 1000));
+
+ int flags = buf.readUnsignedByte();
+
+ position.setValid(true);
+ position.setLatitude(convertCoordinate(buf.readUnsignedInt(), !BitUtil.check(flags, 0)));
+ position.setLongitude(convertCoordinate(buf.readUnsignedInt(), !BitUtil.check(flags, 1)));
+
+ position.setSpeed(buf.readUnsignedByte());
+ position.setCourse(buf.readUnsignedByte());
+
+ position.set(Event.KEY_LAC, buf.readUnsignedShort());
+ position.set(Event.KEY_CID, buf.readUnsignedShort());
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}