Implement Pebbell protocol

3 files changed, 154 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/PebbellProtocol.java b/src/main/java/org/traccar/protocol/PebbellProtocol.java
new file mode 100644
index 000000000..762c30585
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/PebbellProtocol.java
@@ -0,0 +1,37 @@
+/*
+ * 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.handler.codec.LengthFieldBasedFrameDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+
+import java.nio.ByteOrder;
+
+public class PebbellProtocol extends BaseProtocol {
+
+    public PebbellProtocol() {
+        addServer(new TrackerServer(false, getName()) {
+            @Override
+            protected void addProtocolHandlers(PipelineBuilder pipeline) {
+                pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 2, 2, 4, 0, true));
+                pipeline.addLast(new PebbellProtocolDecoder(PebbellProtocol.this));
+            }
+        });
+    }
+
+}
diff --git a/src/main/java/org/traccar/protocol/PebbellProtocolDecoder.java b/src/main/java/org/traccar/protocol/PebbellProtocolDecoder.java
new file mode 100644
index 000000000..acc4fedad
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/PebbellProtocolDecoder.java
@@ -0,0 +1,93 @@
+/*
+ * 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.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.Protocol;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+
+public class PebbellProtocolDecoder extends BaseProtocolDecoder {
+
+    public PebbellProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    public static final int MSG_DATA = 0x01;
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        buf.readUnsignedByte(); // header
+        buf.readUnsignedByte(); // properties
+        buf.readUnsignedShortLE(); // length
+        buf.readUnsignedShortLE(); // checksum
+        buf.readUnsignedShortLE(); // index
+        int type = buf.readUnsignedByte();
+
+        if (type == MSG_DATA) {
+
+            Position position = new Position(getProtocolName());
+
+            while (buf.isReadable()) {
+                int endIndex = buf.readUnsignedByte() + buf.readerIndex();
+                int key = buf.readUnsignedByte();
+                switch (key) {
+                    case 0x01:
+                        DeviceSession deviceSession = getDeviceSession(
+                                channel, remoteAddress, buf.readBytes(15).toString(StandardCharsets.US_ASCII));
+                        if (deviceSession == null) {
+                            return null;
+                        }
+                        position.setDeviceId(deviceSession.getDeviceId());
+                        break;
+                    case 0x20:
+                        position.setLatitude(buf.readIntLE() * 0.0000001);
+                        position.setLongitude(buf.readIntLE() * 0.0000001);
+                        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShortLE()));
+                        position.setCourse(buf.readUnsignedShortLE());
+                        position.setAltitude(buf.readShortLE());
+                        position.setValid(buf.readUnsignedShortLE() > 0);
+                        position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
+                        position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+                        break;
+                    default:
+                        break;
+                }
+                buf.readerIndex(endIndex);
+            }
+
+            if (!position.getAttributes().containsKey(Position.KEY_SATELLITES)) {
+                getLastLocation(position, null);
+            }
+
+            return position.getDeviceId() > 0 ? position : null;
+
+        }
+
+        return null;
+    }
+
+}
diff --git a/src/test/java/org/traccar/protocol/PebbellProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/PebbellProtocolDecoderTest.java
new file mode 100644
index 000000000..d6a4d88d1
--- /dev/null
+++ b/src/test/java/org/traccar/protocol/PebbellProtocolDecoderTest.java
@@ -0,0 +1,24 @@
+package org.traccar.protocol;
+
+import org.junit.Test;
+import org.traccar.ProtocolTest;
+
+public class PebbellProtocolDecoderTest extends ProtocolTest {
+
+    @Test
+    public void testDecode() throws Exception {
+
+        PebbellProtocolDecoder decoder = new PebbellProtocolDecoder(null);
+
+        verifyNotNull(decoder, binary(
+                "ab1845005d39370301100133353836383830303030303338303209245b92b55c84004b610502001000002221ca00050b4a005cc30f4a0056c80f4a003ba90e4a0055c8074a005dc3034a0057c8"));
+
+        verifyNotNull(decoder, binary(
+                "ab185c001db78b03011001333538363838303030303033383032092448bd8a5c82003b130502010000003922ca923bad10f794bd30b5c2cb0595b2944a0c49a4f9b6a4b1e9991e79ba0026bb78c08fb4581faae7ee3fb0e091f5778e96b074a78ed46528"));
+
+        verifyNotNull(decoder, binary(
+                "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"));
+
+    }
+
+}