Implement Avema Technology protocol

setup/default.xml

@@ -246,5 +246,6 @@
     <entry key='svias.port'>5168</entry>
     <entry key='eseal.port'>5169</entry>
     <entry key='freematics.port'>5170</entry>
+    <entry key='avema.port'>5171</entry>
 
 </properties>

src/org/traccar/protocol/AvemaProtocol.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2018 Anton Tananaev ([email protected])
+ *
+ * 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.LineBasedFrameDecoder;
+import io.netty.handler.codec.string.StringDecoder;
+import io.netty.handler.codec.string.StringEncoder;
+import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class AvemaProtocol extends BaseProtocol {
+
+    public AvemaProtocol() {
+        super("avema");
+    }
+
+    @Override
+    public void initTrackerServers(List<TrackerServer> serverList) {
+        serverList.add(new TrackerServer(false, getName()) {
+            @Override
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
+                pipeline.addLast("frameDecoder", new LineBasedFrameDecoder(1024));
+                pipeline.addLast("stringEncoder", new StringEncoder());
+                pipeline.addLast("stringDecoder", new StringDecoder());
+                pipeline.addLast("objectDecoder", new AvemaProtocolDecoder(AvemaProtocol.this));
+            }
+        });
+    }
+
+}

src/org/traccar/protocol/AvemaProtocolDecoder.java

@@ -0,0 +1,106 @@
+/*
+ * Copyright 2018 Anton Tananaev ([email protected])
+ *
+ * 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.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class AvemaProtocolDecoder extends BaseProtocolDecoder {
+
+    public AvemaProtocolDecoder(AvemaProtocol protocol) {
+        super(protocol);
+    }
+
+    private static final Pattern PATTERN = new PatternBuilder()
+            .number("(d+),")                     // device id
+            .number("(dddd)(dd)(dd)")            // date (yyyymmdd)
+            .number("(dd)(dd)(dd),")             // time (hhmmss)
+            .number("(-?d+.d+),")                // longitude
+            .number("(-?d+.d+),")                // latitude
+            .number("(d+),")                     // speed
+            .number("(d+),")                     // course
+            .number("(-?d+),")                   // altitude
+            .number("(d+),")                     // satellites
+            .number("(d+),")                     // event
+            .number("(d+.d+),")                  // odometer
+            .number("(d+),")                     // input
+            .number("(d+.d+)V,")                 // adc 1
+            .number("(d+.d+)V,")                 // adc 2
+            .number("(d+),")                     // output
+            .number("(d),")                      // roaming
+            .number("(d+),")                     // rssi
+            .number("d,")                        // communication system
+            .number("(ddd)")                     // mcc
+            .number("(dd),")                     // mnc
+            .number("(x+),")                     // lac
+            .number("(x+),")                     // cid
+            .number("([^,]+)?")                  // rfid
+            .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.setValid(true);
+        position.setTime(parser.nextDateTime());
+        position.setLongitude(parser.nextDouble());
+        position.setLatitude(parser.nextDouble());
+        position.setSpeed(UnitsConverter.knotsFromKph(parser.nextInt()));
+        position.setCourse(parser.nextInt());
+        position.setAltitude(parser.nextInt());
+
+        position.set(Position.KEY_SATELLITES, parser.nextInt());
+        position.set(Position.KEY_EVENT, parser.nextInt());
+        position.set(Position.KEY_ODOMETER, parser.nextDouble() * 1000);
+        position.set(Position.KEY_INPUT, parser.nextInt());
+        position.set(Position.PREFIX_ADC + 1, parser.nextDouble());
+        position.set(Position.PREFIX_ADC + 2, parser.nextDouble());
+        position.set(Position.KEY_OUTPUT, parser.nextInt());
+        position.set(Position.KEY_ROAMING, parser.nextInt() == 1);
+
+        int rssi = parser.nextInt();
+        position.setNetwork(new Network(CellTower.from(
+                parser.nextInt(), parser.nextInt(), parser.nextHexInt(), parser.nextHexInt(), rssi)));
+
+        position.set(Position.KEY_DRIVER_UNIQUE_ID, parser.next());
+
+        return position;
+    }
+
+}

test/org/traccar/protocol/AvemaProtocolDecoderTest.java

@@ -0,0 +1,18 @@
+package org.traccar.protocol;
+
+import org.junit.Test;
+import org.traccar.ProtocolTest;
+
+public class AvemaProtocolDecoderTest extends ProtocolTest {
+
+    @Test
+    public void testDecode() throws Exception {
+
+        AvemaProtocolDecoder decoder = new AvemaProtocolDecoder(new AvemaProtocol());
+
+        verifyPosition(decoder, text(
+                "1130048939,20120224000129,121.447487,25.168025,0,0,0,0,3,0.0,1,0.02V,14.88V,0,1,24,4,46608,F8BC,F9AD,CID0000028"));
+
+    }
+
+}