Implement command support for Meiligao

6 files changed, 215 insertions, 1 deletions

diff --git a/src/org/traccar/model/Command.java b/src/org/traccar/model/Command.java
index abca811a2..fb3a37795 100644
--- a/src/org/traccar/model/Command.java
+++ b/src/org/traccar/model/Command.java
@@ -26,11 +26,14 @@ public class Command extends Extensible implements Factory {
     public static final String TYPE_ALARM_DISARM = "alarmDisarm";
     public static final String TYPE_SET_TIMEZONE = "setTimezone";
     public static final String TYPE_REQUEST_PHOTO = "requestPhoto";
+    public static final String TYPE_REBOOT_DEVICE = "rebootDevice";
+    public static final String TYPE_MOVEMENT_ALARM = "movementAlarm";
 
     public static final String KEY_UNIQUE_ID = "uniqueId";
     public static final String KEY_FREQUENCY = "frequency";
     public static final String KEY_TIMEZONE = "timezone";
     public static final String KEY_DEVICE_PASSWORD = "devicePassword";
+    public static final String KEY_RADIUS = "radius";
 
     @Override
     public Command create() {
diff --git a/src/org/traccar/protocol/Gt06ProtocolEncoder.java b/src/org/traccar/protocol/Gt06ProtocolEncoder.java
index 7c9d921dd..6b5f0fc6c 100644
--- a/src/org/traccar/protocol/Gt06ProtocolEncoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolEncoder.java
@@ -62,7 +62,6 @@ public class Gt06ProtocolEncoder extends BaseProtocolEncoder {
             default:
                 Log.warning(new UnsupportedOperationException(command.getType()));
                 break;
-
         }
 
         return null;
diff --git a/src/org/traccar/protocol/MeiligaoProtocol.java b/src/org/traccar/protocol/MeiligaoProtocol.java
index 9e8da7dc2..627e75948 100644
--- a/src/org/traccar/protocol/MeiligaoProtocol.java
+++ b/src/org/traccar/protocol/MeiligaoProtocol.java
@@ -21,11 +21,14 @@ import org.jboss.netty.bootstrap.ServerBootstrap;
 import org.jboss.netty.channel.ChannelPipeline;
 import org.traccar.BaseProtocol;
 import org.traccar.TrackerServer;
+import org.traccar.model.Command;
 
 public class MeiligaoProtocol extends BaseProtocol {
 
     public MeiligaoProtocol() {
         super("meiligao");
+        setSupportedCommands(
+                Command.TYPE_POSITION_SINGLE);
     }
 
     @Override
@@ -35,12 +38,14 @@ public class MeiligaoProtocol extends BaseProtocol {
             protected void addSpecificHandlers(ChannelPipeline pipeline) {
                 pipeline.addLast("frameDecoder", new MeiligaoFrameDecoder());
                 pipeline.addLast("objectDecoder", new MeiligaoProtocolDecoder(MeiligaoProtocol.this));
+                pipeline.addLast("objectEncoder", new MeiligaoProtocolEncoder());
             }
         });
         serverList.add(new TrackerServer(new ConnectionlessBootstrap(), this.getName()) {
             @Override
             protected void addSpecificHandlers(ChannelPipeline pipeline) {
                 pipeline.addLast("objectDecoder", new MeiligaoProtocolDecoder(MeiligaoProtocol.this));
+                pipeline.addLast("objectEncoder", new MeiligaoProtocolEncoder());
             }
         });
     }
diff --git a/src/org/traccar/protocol/MeiligaoProtocolEncoder.java b/src/org/traccar/protocol/MeiligaoProtocolEncoder.java
new file mode 100644
index 000000000..ae93e8b73
--- /dev/null
+++ b/src/org/traccar/protocol/MeiligaoProtocolEncoder.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.traccar.BaseProtocolEncoder;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+
+import javax.xml.bind.DatatypeConverter;
+import java.nio.charset.Charset;
+import java.util.Map;
+
+public class MeiligaoProtocolEncoder extends BaseProtocolEncoder {
+
+    public static final int MSG_TRACK_ON_DEMAND = 0x4101;
+    public static final int MSG_TRACK_BY_INTERVAL = 0x4102;
+    public static final int MSG_MOVEMENT_ALARM = 0x4106;
+    public static final int MSG_TIME_ZONE = 0x4132;
+    public static final int MSG_REBOOT_GPS = 0x4902;
+
+    private ChannelBuffer encodeContent(long deviceId, int type, ChannelBuffer content) {
+
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+
+        buf.writeByte('@');
+        buf.writeByte('@');
+
+        buf.writeShort(2 + 2 + 7 + 2 + content.readableBytes() + 2 + 2); // message length
+
+        buf.writeBytes(DatatypeConverter.parseHexBinary((getUniqueId(deviceId) + "FFFFFFFFFFFFFF").substring(0, 14)));
+
+        buf.writeShort(type);
+
+        buf.writeBytes(content);
+
+        buf.writeShort(Checksum.crc16(Checksum.CRC16_CCITT_FALSE, buf.toByteBuffer()));
+
+        buf.writeByte('\r');
+        buf.writeByte('\n');
+
+        return buf;
+    }
+
+    // TODO: remove if not needed
+    private static int radiusToArea(int radius) {
+        if (radius == 0) {
+            return 0x00;
+        } else if (radius <= 30) {
+            return 0x01;
+        } else if (radius <= 50) {
+            return 0x02;
+        } else if (radius <= 100) {
+            return 0x03;
+        } else if (radius <= 200) {
+            return 0x04;
+        } else if (radius <= 300) {
+            return 0x05;
+        } else if (radius <= 500) {
+            return 0x06;
+        } else if (radius <= 1000) {
+            return 0x07;
+        } else if (radius <= 2000) {
+            return 0x08;
+        } else {
+            return 0xff;
+        }
+    }
+
+    @Override
+    protected Object encodeCommand(Command command) {
+
+        ChannelBuffer content = ChannelBuffers.dynamicBuffer();
+        Map<String, Object> attributes = command.getAttributes();
+
+        switch (command.getType()) {
+            case Command.TYPE_POSITION_SINGLE:
+                return encodeContent(command.getDeviceId(), MSG_TRACK_ON_DEMAND, content);
+            case Command.TYPE_POSITION_PERIODIC:
+                content.writeShort(((Number) attributes.get(Command.KEY_FREQUENCY)).intValue() / 10);
+                return encodeContent(command.getDeviceId(), MSG_TRACK_BY_INTERVAL, content);
+            case Command.TYPE_MOVEMENT_ALARM:
+                content.writeShort(((Number) attributes.get(Command.KEY_RADIUS)).intValue());
+                return encodeContent(command.getDeviceId(), MSG_MOVEMENT_ALARM, content);
+            case Command.TYPE_SET_TIMEZONE:
+                int offset = ((Number) attributes.get(Command.KEY_TIMEZONE)).intValue() / 60;
+                content.writeBytes(String.valueOf(offset).getBytes(Charset.defaultCharset()));
+                return encodeContent(command.getDeviceId(), MSG_TIME_ZONE, content);
+            case Command.TYPE_REBOOT_DEVICE:
+                return encodeContent(command.getDeviceId(), MSG_REBOOT_GPS, content);
+            default:
+                Log.warning(new UnsupportedOperationException(command.getType()));
+                break;
+        }
+
+        return null;
+    }
+
+}
diff --git a/test/org/traccar/ProtocolEncoderTest.java b/test/org/traccar/ProtocolEncoderTest.java
new file mode 100644
index 000000000..e8b5bb4eb
--- /dev/null
+++ b/test/org/traccar/ProtocolEncoderTest.java
@@ -0,0 +1,52 @@
+package org.traccar;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.junit.Assert;
+import org.traccar.model.Command;
+
+import javax.xml.bind.DatatypeConverter;
+import java.nio.ByteOrder;
+import java.nio.charset.Charset;
+
+public class ProtocolEncoderTest {
+
+    private String concatenateStrings(String... strings) {
+        StringBuilder builder = new StringBuilder();
+        for (String s : strings) {
+            builder.append(s);
+        }
+        return builder.toString();
+    }
+
+    protected ChannelBuffer binary(String... data) {
+        return binary(ByteOrder.BIG_ENDIAN, data);
+    }
+
+    protected ChannelBuffer binary(ByteOrder endianness, String... data) {
+        return ChannelBuffers.wrappedBuffer(
+                endianness, DatatypeConverter.parseHexBinary(concatenateStrings(data)));
+    }
+
+    protected String text(String... data) {
+        return concatenateStrings(data);
+    }
+
+    protected ChannelBuffer buffer(String... data) {
+        return ChannelBuffers.copiedBuffer(concatenateStrings(data), Charset.defaultCharset());
+    }
+
+    protected void verifyCommand(
+            BaseProtocolEncoder encoder, Command command, ChannelBuffer expected) throws Exception {
+        verifyDecodedCommand(encoder.encodeCommand(command), expected);
+    }
+
+    private void verifyDecodedCommand(Object decodedObject, ChannelBuffer expected) {
+
+        Assert.assertNotNull("command is null", decodedObject);
+        Assert.assertTrue("not a buffer", decodedObject instanceof ChannelBuffer);
+        Assert.assertEquals(ChannelBuffers.hexDump(expected), ChannelBuffers.hexDump((ChannelBuffer) decodedObject));
+
+    }
+
+}
diff --git a/test/org/traccar/protocol/MeiligaoProtocolEncoderTest.java b/test/org/traccar/protocol/MeiligaoProtocolEncoderTest.java
new file mode 100644
index 000000000..b4a8b9f02
--- /dev/null
+++ b/test/org/traccar/protocol/MeiligaoProtocolEncoderTest.java
@@ -0,0 +1,41 @@
+package org.traccar.protocol;
+
+import org.junit.Test;
+import org.traccar.ProtocolEncoderTest;
+import org.traccar.model.Command;
+
+public class MeiligaoProtocolEncoderTest extends ProtocolEncoderTest {
+
+    @Test
+    public void testEncode() throws Exception {
+
+        MeiligaoProtocolEncoder encoder = new MeiligaoProtocolEncoder();
+        
+        Command command = new Command();
+        command.setDeviceId(1);
+        command.setType(Command.TYPE_POSITION_SINGLE);
+
+        verifyCommand(encoder, command, binary("404000111234567890123441016cf70d0a"));
+
+        command.setType(Command.TYPE_POSITION_PERIODIC);
+        command.set(Command.KEY_FREQUENCY, 100);
+
+        verifyCommand(encoder, command, binary("40400013123456789012344102000a2f4f0d0a"));
+
+        command.setType(Command.TYPE_SET_TIMEZONE);
+        command.set(Command.KEY_TIMEZONE, 480 * 60);
+
+        verifyCommand(encoder, command, binary("4040001412345678901234413234383030ad0d0a"));
+
+        command.setType(Command.TYPE_REBOOT_DEVICE);
+
+        verifyCommand(encoder, command, binary("40400011123456789012344902d53d0d0a"));
+
+        command.setType(Command.TYPE_MOVEMENT_ALARM);
+        command.set(Command.KEY_RADIUS, 1000);
+
+        verifyCommand(encoder, command, binary("4040001312345678901234410603e87bb00d0a"));
+
+    }
+
+}