Implement Wialon Retranslator protocol

5 files changed, 221 insertions, 0 deletions

diff --git a/setup/default.xml b/setup/default.xml
index badc03086..66c72a877 100644
--- a/setup/default.xml
+++ b/setup/default.xml
@@ -242,5 +242,6 @@
     <entry key='pt60.port'>5164</entry>
     <entry key='telemax.port'>5165</entry>
     <entry key='sabertek.port'>5166</entry>
+    <entry key='retranslator.port'>5167</entry>
 
 </properties>
diff --git a/src/org/traccar/protocol/RetranslatorFrameDecoder.java b/src/org/traccar/protocol/RetranslatorFrameDecoder.java
new file mode 100644
index 000000000..1836fb26e
--- /dev/null
+++ b/src/org/traccar/protocol/RetranslatorFrameDecoder.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2018 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.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.frame.FrameDecoder;
+
+public class RetranslatorFrameDecoder extends FrameDecoder {
+
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
+
+        int length = 4 + ChannelBuffers.swapInt(buf.getInt(buf.readerIndex()));
+        if (buf.readableBytes() >= length) {
+            return buf.readBytes(length);
+        } else {
+            return null;
+        }
+    }
+
+}
diff --git a/src/org/traccar/protocol/RetranslatorProtocol.java b/src/org/traccar/protocol/RetranslatorProtocol.java
new file mode 100644
index 000000000..0421390b2
--- /dev/null
+++ b/src/org/traccar/protocol/RetranslatorProtocol.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2018 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.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class RetranslatorProtocol extends BaseProtocol {
+
+    public RetranslatorProtocol() {
+        super("retranslator");
+    }
+
+    @Override
+    public void initTrackerServers(List<TrackerServer> serverList) {
+        serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+            @Override
+            protected void addSpecificHandlers(ChannelPipeline pipeline) {
+                pipeline.addLast("frameDecoder", new RetranslatorFrameDecoder());
+                pipeline.addLast("objectDecoder", new RetranslatorProtocolDecoder(RetranslatorProtocol.this));
+            }
+        });
+    }
+
+}
diff --git a/src/org/traccar/protocol/RetranslatorProtocolDecoder.java b/src/org/traccar/protocol/RetranslatorProtocolDecoder.java
new file mode 100644
index 000000000..756b0bcaf
--- /dev/null
+++ b/src/org/traccar/protocol/RetranslatorProtocolDecoder.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright 2018 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.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.ByteOrder;
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+
+public class RetranslatorProtocolDecoder extends BaseProtocolDecoder {
+
+    public RetranslatorProtocolDecoder(RetranslatorProtocol protocol) {
+        super(protocol);
+    }
+
+    private double readDouble(ChannelBuffer buf) {
+        byte[] bytes = new byte[8];
+        buf.readBytes(bytes);
+        return ChannelBuffers.wrappedBuffer(ByteOrder.LITTLE_ENDIAN, bytes).readDouble();
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        if (channel != null) {
+            channel.write(ChannelBuffers.wrappedBuffer(new byte[]{0x11}));
+        }
+
+        ChannelBuffer buf = (ChannelBuffer) msg;
+
+        buf.readUnsignedInt(); // length
+
+        int idLength = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x00) - buf.readerIndex();
+        String id = buf.readBytes(idLength).toString(StandardCharsets.US_ASCII);
+        buf.readByte();
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+        position.setTime(new Date(buf.readUnsignedInt() * 1000));
+
+        buf.readUnsignedInt(); // bit flags
+
+        while (buf.readable()) {
+
+            buf.readUnsignedShort(); // block type
+            int blockEnd = buf.readInt() + buf.readerIndex();
+            buf.readUnsignedByte(); // security attribute
+            int dataType = buf.readUnsignedByte();
+
+            int nameLength = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x00) - buf.readerIndex();
+            String name = buf.readBytes(nameLength).toString(StandardCharsets.US_ASCII);
+            buf.readByte();
+
+            if (name.equals("posinfo")) {
+                position.setValid(true);
+                position.setLongitude(readDouble(buf));
+                position.setLatitude(readDouble(buf));
+                position.setAltitude(readDouble(buf));
+                position.setSpeed(buf.readShort());
+                position.setCourse(buf.readShort());
+                position.set(Position.KEY_SATELLITES, buf.readByte());
+            } else {
+                switch (dataType) {
+                    case 1:
+                        int len = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) 0x00) - buf.readerIndex();
+                        position.set(name, buf.readBytes(len).toString(StandardCharsets.US_ASCII));
+                        buf.readByte();
+                        break;
+                    case 3:
+                        position.set(name, buf.readInt());
+                        break;
+                    case 4:
+                        position.set(name, readDouble(buf));
+                        break;
+                    case 5:
+                        position.set(name, buf.readLong());
+                        break;
+                    default:
+                        break;
+                }
+            }
+
+            buf.readerIndex(blockEnd);
+
+        }
+
+        if (position.getLatitude() == 0 && position.getLongitude() == 0) {
+            getLastLocation(position, position.getDeviceTime());
+        }
+
+        return position;
+    }
+
+}
diff --git a/test/org/traccar/protocol/RetranslatorProtocolDecoderTest.java b/test/org/traccar/protocol/RetranslatorProtocolDecoderTest.java
new file mode 100644
index 000000000..680570763
--- /dev/null
+++ b/test/org/traccar/protocol/RetranslatorProtocolDecoderTest.java
@@ -0,0 +1,21 @@
+package org.traccar.protocol;
+
+import org.junit.Test;
+import org.traccar.ProtocolTest;
+
+public class RetranslatorProtocolDecoderTest extends ProtocolTest {
+
+    @Test
+    public void testDecode() throws Exception {
+
+        RetranslatorProtocolDecoder decoder = new RetranslatorProtocolDecoder(new RetranslatorProtocol());
+
+        verifyPosition(decoder, binary(
+                "74000000333533393736303133343435343835004B0BFB70000000030BBB000000270102706F73696E666F00A027AFDF5D9848403AC7253383DD4B400000000000805A40003601460B0BBB0000001200047077725F657874002B8716D9CE973B400BBB00000011010361766C5F696E707574730000000001"));
+
+        verifyPosition(decoder, binary(
+                "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"));
+
+    }
+
+}