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-rw-r--r--src/main/java/org/traccar/protocol/NetProtocol.java39
-rw-r--r--src/main/java/org/traccar/protocol/NetProtocolDecoder.java92
2 files changed, 131 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/NetProtocol.java b/src/main/java/org/traccar/protocol/NetProtocol.java
new file mode 100644
index 000000000..c114d19fc
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/NetProtocol.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2020 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.handler.codec.string.StringDecoder;
+import io.netty.handler.codec.string.StringEncoder;
+import org.traccar.BaseProtocol;
+import org.traccar.CharacterDelimiterFrameDecoder;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+
+public class NetProtocol extends BaseProtocol {
+
+ public NetProtocol() {
+ addServer(new TrackerServer(false, getName()) {
+ @Override
+ protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ pipeline.addLast(new CharacterDelimiterFrameDecoder(1024, '!'));
+ pipeline.addLast(new StringEncoder());
+ pipeline.addLast(new StringDecoder());
+ pipeline.addLast(new NetProtocolDecoder(NetProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/main/java/org/traccar/protocol/NetProtocolDecoder.java b/src/main/java/org/traccar/protocol/NetProtocolDecoder.java
new file mode 100644
index 000000000..2117a2cc6
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/NetProtocolDecoder.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2020 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 org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class NetProtocolDecoder extends BaseProtocolDecoder {
+
+ public NetProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("@L")
+ .number("ddd")
+ .number("(d{15})") // imei
+ .number("xx")
+ .number("(dd)(dd)(dd)") // date (ddmmyy)
+ .number("(dd)(dd)(dd)") // time (hhmmss)
+ .number("(x)") // flags
+ .number("(dd)(dd)(dddd)") // latitude
+ .number("(ddd)(dd)(dddd)") // longitude
+ .number("(xx)") // status
+ .number("(x{4})") // speed
+ .number("(x{6})") // odometer
+ .number("(xxx)") // course
+ .number("(xxx)") // alarm
+ .any()
+ .compile();
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ Parser parser = new Parser(PATTERN, (String) msg);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+
+ int flags = parser.nextHexInt();
+
+ position.setValid(BitUtil.check(flags, 3));
+ int hemisphereLatitude = BitUtil.check(flags, 1) ? -1 : 1;
+ int hemisphereLongitude = BitUtil.check(flags, 0) ? -1 : 1;
+
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN) * hemisphereLatitude);
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.DEG_MIN_MIN) * hemisphereLongitude);
+
+ position.set(Position.KEY_STATUS, parser.nextHexInt());
+ position.setSpeed(parser.nextHexInt() * 0.01);
+ position.set(Position.KEY_ODOMETER, parser.nextHexInt());
+ position.setCourse(parser.nextHexInt());
+
+ parser.nextHexInt(); // alarm
+
+ return position;
+ }
+
+}