Implement GT30 GTP protocol

4 files changed, 158 insertions, 0 deletions

diff --git a/setup/default.xml b/setup/default.xml
index 95a850979..81d7e6968 100644
--- a/setup/default.xml
+++ b/setup/default.xml
@@ -483,5 +483,6 @@
     <entry key='at2000.port'>5128</entry>
     <entry key='maestro.port'>5129</entry>
     <entry key='ais.port'>5130</entry>
+    <entry key='gt30.port'>5131</entry>
 
 </properties>
diff --git a/src/org/traccar/protocol/Gt30Protocol.java b/src/org/traccar/protocol/Gt30Protocol.java
new file mode 100644
index 000000000..186002a35
--- /dev/null
+++ b/src/org/traccar/protocol/Gt30Protocol.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2017 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.jboss.netty.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.ChannelPipeline;
+import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder;
+import org.jboss.netty.handler.codec.string.StringDecoder;
+import org.jboss.netty.handler.codec.string.StringEncoder;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class Gt30Protocol extends BaseProtocol {
+
+    public Gt30Protocol() {
+        super("gt30");
+    }
+
+    @Override
+    public void initTrackerServers(List<TrackerServer> serverList) {
+        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+            @Override
+            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+                pipeline.addLast("frameDecoder", new LineBasedFrameDecoder(1024));
+                pipeline.addLast("stringEncoder", new StringEncoder());
+                pipeline.addLast("stringDecoder", new StringDecoder());
+                pipeline.addLast("objectDecoder", new Gt30ProtocolDecoder(Gt30Protocol.this));
+            }
+        });
+    }
+
+}
diff --git a/src/org/traccar/protocol/Gt30ProtocolDecoder.java b/src/org/traccar/protocol/Gt30ProtocolDecoder.java
new file mode 100644
index 000000000..19d964687
--- /dev/null
+++ b/src/org/traccar/protocol/Gt30ProtocolDecoder.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2017 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.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.DateBuilder;
+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 Gt30ProtocolDecoder extends BaseProtocolDecoder {
+
+    public Gt30ProtocolDecoder(Gt30Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .text("$$")
+            .number("x{4}")                      // length
+            .expression("(.{14})")               // device id
+            .number("x{4}")                      // type
+            .number("(dd)(dd)(dd).(d+),")        // time
+            .expression("([AV]),")               // validity
+            .number("(d+)(dd.d+),")              // latitude
+            .expression("([NS]),")
+            .number("(d+)(dd.d+),")              // longitude
+            .expression("([EW]),")
+            .number("(d+.d+)?,")                 // speed
+            .number("(d+.d+)?,")                 // course
+            .number("(dd)(dd)(dd)")              // date (ddmmyy)
+            .expression("[^\\|]*")
+            .number("|(d+.d+)")                  // hdop
+            .number("|(-?d+)")                   // altitude
+            .number("x{4}")                      // checksum
+            .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().trim());
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position();
+        position.setProtocol(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        DateBuilder dateBuilder = new DateBuilder()
+                .setTime(parser.nextInt(), parser.nextInt(), parser.nextInt(), parser.nextInt());
+
+        position.setValid(parser.next().equals("A"));
+        position.setLatitude(parser.nextCoordinate());
+        position.setLongitude(parser.nextCoordinate());
+        position.setSpeed(parser.nextDouble());
+        position.setCourse(parser.nextDouble());
+
+        dateBuilder.setDateReverse(parser.nextInt(), parser.nextInt(), parser.nextInt());
+        position.setTime(dateBuilder.getDate());
+
+        position.set(Position.KEY_HDOP, parser.next());
+
+        position.setAltitude(parser.nextDouble());
+
+        return position;
+    }
+
+}
diff --git a/test/org/traccar/protocol/Gt30ProtocolDecoderTest.java b/test/org/traccar/protocol/Gt30ProtocolDecoderTest.java
new file mode 100644
index 000000000..f33875ce1
--- /dev/null
+++ b/test/org/traccar/protocol/Gt30ProtocolDecoderTest.java
@@ -0,0 +1,18 @@
+package org.traccar.protocol;
+
+import org.junit.Test;
+import org.traccar.ProtocolTest;
+
+public class Gt30ProtocolDecoderTest extends ProtocolTest {
+
+    @Test
+    public void testDecode() throws Exception {
+
+        Gt30ProtocolDecoder decoder = new Gt30ProtocolDecoder(new Gt30Protocol());
+
+        verifyPosition(decoder, text(
+                "$$005B3037811124    9955161049.000,A,3802.9474,N,02241.1897,E,0.00,,021115,,*15|2.9|5A639"));
+
+    }
+
+}