Added Ruptela protocol

1 files changed, 133 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/RuptelaProtocolDecoder.java b/src/org/traccar/protocol/RuptelaProtocolDecoder.java
new file mode 100644
index 000000000..32bf76425
--- /dev/null
+++ b/src/org/traccar/protocol/RuptelaProtocolDecoder.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2013 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 java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
+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.traccar.BaseProtocolDecoder;
+import org.traccar.ServerManager;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+public class RuptelaProtocolDecoder extends BaseProtocolDecoder {
+    
+    public RuptelaProtocolDecoder(ServerManager serverManager) {
+        super(serverManager);
+    }
+
+    private static final int COMMAND_RECORDS = 0x01;
+    
+    @Override
+    protected Object decode(ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        ChannelBuffer buf = (ChannelBuffer) msg;
+
+        buf.readUnsignedShort(); // data length
+
+        // Identify device
+        String imei = String.valueOf(buf.readLong());
+        long deviceId;
+        try {
+            deviceId = getDataManager().getDeviceByImei(imei).getId();
+        } catch(Exception error) {
+            Log.warning("Unknown device - " + imei);
+            return null;
+        }
+        
+        int type = buf.readUnsignedByte();
+        
+        if (type == COMMAND_RECORDS) {
+            List<Position> positions = new LinkedList<Position>();
+
+            buf.readUnsignedByte(); // records left
+            int count = buf.readUnsignedByte();
+
+            for (int i = 0; i < count; i++) {
+                Position position = new Position();
+                ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("ruptela");
+                position.setDeviceId(deviceId);
+
+                // Time
+                position.setTime(new Date(buf.readUnsignedInt() * 1000));
+                buf.readUnsignedByte(); // timestamp extension
+
+                buf.readUnsignedByte(); // priority (reserved)
+                
+                // Location
+                position.setLongitude(buf.readInt() / 10000000.0);
+                position.setLatitude(buf.readInt() / 10000000.0);
+                position.setAltitude(buf.readUnsignedShort() / 10.0);
+                position.setCourse(buf.readUnsignedShort() / 100.0);
+
+                // Validity
+                int satellites = buf.readUnsignedByte();
+                extendedInfo.set("satellites", satellites);
+                position.setValid(satellites >= 3);
+
+                position.setSpeed(buf.readUnsignedShort() * 0.539957);
+
+                extendedInfo.set("hdop", buf.readUnsignedByte() / 10.0);
+
+                buf.readUnsignedByte();
+
+                // Read 1 byte data
+                int cnt = buf.readUnsignedByte();
+                for (int j = 0; j < cnt; j++) {
+                    extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedByte());
+                }
+
+                // Read 2 byte data
+                cnt = buf.readUnsignedByte();
+                for (int j = 0; j < cnt; j++) {
+                    extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedShort());
+                }
+
+                // Read 4 byte data
+                cnt = buf.readUnsignedByte();
+                for (int j = 0; j < cnt; j++) {
+                    extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedInt());
+                }
+
+                // Read 8 byte data
+                cnt = buf.readUnsignedByte();
+                for (int j = 0; j < cnt; j++) {
+                    extendedInfo.set("io" + buf.readUnsignedByte(), buf.readLong());
+                }
+
+                position.setExtendedInfo(extendedInfo.toString());
+                positions.add(position);
+            }
+
+            // Acknowledgement
+            if (channel != null) {
+                byte[] response = {0x00, 0x02, 0x64, 0x01, 0x13, (byte)0xbc};
+                channel.write(ChannelBuffers.wrappedBuffer(response));
+            }
+
+            return positions;
+        }
+        
+        return null;
+    }
+
+}