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authorAnton Tananaev <anton.tananaev@gmail.com>2019-10-11 06:59:15 +0900
committerAnton Tananaev <anton.tananaev@gmail.com>2019-10-11 06:59:15 +0900
commitc3aeb5442d41688c9509c286c066cf3efebb52d4 (patch)
tree69e809fc3af744d58f7898bb934b3a21f85b0c6c /src/main
parente723dc0f0749dbc0c228c7451990319725303cd4 (diff)
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Implement Pacific Track protocol
Diffstat (limited to 'src/main')
-rw-r--r--src/main/java/org/traccar/protocol/PacificTrackProtocol.java33
-rw-r--r--src/main/java/org/traccar/protocol/PacificTrackProtocolDecoder.java104
2 files changed, 137 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/PacificTrackProtocol.java b/src/main/java/org/traccar/protocol/PacificTrackProtocol.java
new file mode 100644
index 000000000..08991ab64
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/PacificTrackProtocol.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright 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 org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+
+public class PacificTrackProtocol extends BaseProtocol {
+
+ public PacificTrackProtocol() {
+ addServer(new TrackerServer(true, getName()) {
+ @Override
+ protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ pipeline.addLast(new PacificTrackProtocolDecoder(PacificTrackProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/main/java/org/traccar/protocol/PacificTrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/PacificTrackProtocolDecoder.java
new file mode 100644
index 000000000..199348c54
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/PacificTrackProtocolDecoder.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright 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.ByteBufUtil;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+
+public class PacificTrackProtocolDecoder extends BaseProtocolDecoder {
+
+ public PacificTrackProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ public static int readBitExt(ByteBuf buf) {
+ int result = 0;
+ while (buf.isReadable()) {
+ int b = buf.readUnsignedByte();
+ result <<= 7;
+ result += BitUtil.to(b, 7);
+ if (BitUtil.check(b, 7)) {
+ break;
+ }
+ }
+ return result;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ buf.readByte(); // frame start
+ readBitExt(buf); // frame control
+ readBitExt(buf); // frame length
+
+ DeviceSession deviceSession = null;
+ Position position = new Position(getProtocolName());
+
+ while (buf.isReadable()) {
+
+ int segmentId = readBitExt(buf);
+ int segmentLength = readBitExt(buf);
+
+ switch (segmentId) {
+ case 0x01:
+ position.set(Position.KEY_EVENT, readBitExt(buf));
+ break;
+ case 0x10:
+ position.setValid(BitUtil.check(buf.readUnsignedByte(), 4));
+ int date = buf.readUnsignedByte();
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(2000 + BitUtil.from(date, 4), BitUtil.to(date, 4), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ position.setTime(dateBuilder.getDate());
+ position.setLatitude(buf.readUnsignedInt() / 1000000.0 - 90.0);
+ position.setLongitude(buf.readUnsignedInt() / 1000000.0 - 180.0);
+ int speedAndCourse = buf.readUnsignedMedium();
+ position.setCourse(BitUtil.from(speedAndCourse, 12));
+ position.setSpeed(UnitsConverter.knotsFromKph(BitUtil.to(speedAndCourse, 12)));
+ position.set(Position.KEY_INDEX, buf.readUnsignedShort());
+ break;
+ case 0x100:
+ String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(1);
+ deviceSession = getDeviceSession(channel, remoteAddress, imei);
+ break;
+ default:
+ buf.skipBytes(segmentLength);
+ break;
+ }
+ }
+
+ if (deviceSession != null) {
+ position.setDeviceId(deviceSession.getDeviceId());
+ return position;
+ } else {
+ return null;
+ }
+ }
+
+}