Initial apel support

1 files changed, 298 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/ApelProtocolDecoder.java b/src/org/traccar/protocol/ApelProtocolDecoder.java
new file mode 100644
index 000000000..fec92b33e
--- /dev/null
+++ b/src/org/traccar/protocol/ApelProtocolDecoder.java
@@ -0,0 +1,298 @@
+/*
+ * 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.nio.ByteOrder;
+import java.nio.charset.Charset;
+import java.sql.ResultSet;
+import java.util.Calendar;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Properties;
+import java.util.TimeZone;
+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.AdvancedConnection;
+import org.traccar.helper.Log;
+import org.traccar.helper.NamedParameterStatement;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+public class ApelProtocolDecoder extends BaseProtocolDecoder {
+
+    private long deviceId;
+    private long lastIndex;
+    private long newIndex;
+
+    public ApelProtocolDecoder(ServerManager serverManager) {
+        super(serverManager);
+    }
+
+    /*
+     * Message types
+     */
+    /*private static final int MSG_NULL = 0;
+    private static final int MSG_IDENT = 1;
+    private static final int MSG_IDENT_FULL = 2;
+    private static final int MSG_POINT = 10;
+    private static final int MSG_LOG_SYNC = 100;
+    private static final int MSG_LOGMSG = 101;
+    private static final int MSG_TEXT = 102;
+    private static final int MSG_ALARM = 200;
+    private static final int MSG_ALARM_RECIEVED = 201;*/
+    private static final int MSG_TYPE_NULL = 0;
+    private static final int MSG_TYPE_REQUEST_TRACKER_ID = 10;
+    private static final int MSG_TYPE_TRACKER_ID = 11;
+    private static final int MSG_TYPE_TRACKER_ID_EXT = 12;
+    private static final int MSG_TYPE_DISCONNECT = 20;
+    private static final int MSG_TYPE_REQUEST_PASSWORD = 30;
+    private static final int MSG_TYPE_PASSWORD = 31;
+    private static final int MSG_TYPE_REQUEST_STATE_FULL_INFO = 90;
+    private static final int MSG_TYPE_STATE_FULL_INFO_T104 = 92;
+    private static final int MSG_TYPE_REQUEST_CURRENT_GPS_DATA = 100;
+    private static final int MSG_TYPE_CURRENT_GPS_DATA = 101;
+    private static final int MSG_TYPE_REQUEST_SENSORS_STATE = 110;
+    private static final int MSG_TYPE_SENSORS_STATE = 111;
+    private static final int MSG_TYPE_SENSORS_STATE_T100 = 112;
+    private static final int MSG_TYPE_SENSORS_STATE_T100_4 = 113;
+    private static final int MSG_TYPE_REQUEST_LAST_LOG_INDEX = 120;
+    private static final int MSG_TYPE_LAST_LOG_INDEX = 121;
+    private static final int MSG_TYPE_REQUEST_LOG_RECORDS = 130;
+    private static final int MSG_TYPE_LOG_RECORDS = 131;
+    private static final int MSG_TYPE_EVENT = 141;
+    private static final int MSG_TYPE_TEXT = 150;
+    private static final int MSG_TYPE_ACK_ALARM = 160;
+    private static final int MSG_TYPE_SET_TRACKER_MODE = 170;
+    private static final int MSG_TYPE_GPRS_COMMAND = 180;
+
+    private static final String HEX_CHARS = "0123456789ABCDEF";
+
+    /*private void loadLastIndex() {
+        try {
+            Properties p = getServerManager().getProperties();
+            if (p.contains("database.selectLastIndex")) {
+                AdvancedConnection connection = new AdvancedConnection(
+                        p.getProperty("database.url"), p.getProperty("database.user"), p.getProperty("database.password"));
+                NamedParameterStatement queryLastIndex = new NamedParameterStatement(connection, p.getProperty("database.selectLastIndex"));
+                queryLastIndex.prepare();
+                queryLastIndex.setLong("device_id", deviceId);
+                ResultSet result = queryLastIndex.executeQuery();
+                if (result.next()) {
+                    lastIndex = result.getLong(1);
+                }
+            }
+        } catch(Exception error) {
+        }
+    }*/
+
+    /*private void requestArchive(Channel channel) {
+        if (lastIndex == 0) {
+            lastIndex = newIndex;
+        } else if (newIndex > lastIndex) {
+            ChannelBuffer request = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 12);
+            request.writeShort(MSG_LOG_SYNC);
+            request.writeShort(4);
+            request.writeInt((int) lastIndex);
+            request.writeInt(0);
+            channel.write(request);
+        }
+    }*/
+
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        ChannelBuffer buf = (ChannelBuffer) msg;
+        int type = buf.readUnsignedShort();
+        boolean alarm = (type & 0x8000) != 0;
+        type = type & 0x7FFF;
+        buf.readUnsignedShort(); // length
+        
+        if (type == MSG_TYPE_TRACKER_ID) {
+            Log.warning("Unsupported authentication type");
+            return null;
+        }
+
+        if (type == MSG_TYPE_TRACKER_ID_EXT) {
+            long id = buf.readUnsignedInt();
+            int length = buf.readUnsignedShort();
+            buf.skipBytes(length);
+            length = buf.readUnsignedShort();
+            String imei = buf.readBytes(length).toString(Charset.defaultCharset());
+            try {
+                deviceId = getDataManager().getDeviceByImei(imei).getId();
+                //loadLastIndex();
+            } catch(Exception error) {
+                Log.warning("Unknown device - " + imei + " (id - " + id + ")");
+            }
+        }
+
+        // Position
+        else if (deviceId != 0 && (type == MSG_TYPE_CURRENT_GPS_DATA || type == MSG_TYPE_STATE_FULL_INFO_T104)) {
+            List<Position> positions = new LinkedList<Position>();
+
+            int recordCount = 1;
+            /*if (type == MSG_LOGMSG) {
+                recordCount = buf.readUnsignedShort();
+            }*/
+
+            for (int j = 0; j < recordCount; j++) {
+                Position position = new Position();
+                ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("apel");
+                position.setDeviceId(deviceId);
+
+                // Message index
+                /*if (type == MSG_LOGMSG) {
+                    extendedInfo.set("archive", true);
+                    int subtype = buf.readUnsignedShort();
+                    if (subtype == MSG_ALARM) {
+                        extendedInfo.set("alarm", true);
+                    }
+                    if (buf.readUnsignedShort() > buf.readableBytes()) {
+                        lastIndex += 1;
+                        break; // workaround for device bug
+                    }
+                    lastIndex = buf.readUnsignedInt();
+                    position.setId(lastIndex);
+                } else {
+                    newIndex = buf.readUnsignedInt();
+                }*/
+
+                // Time
+                Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+                time.clear();
+                time.setTimeInMillis(buf.readUnsignedInt() * 1000);
+                position.setTime(time.getTime());
+
+                // Latitude
+                position.setLatitude(buf.readInt() * 180.0 / 0x7FFFFFFF);
+
+                // Longitude
+                position.setLongitude(buf.readInt() * 180.0 / 0x7FFFFFFF);
+
+                // Speed and Validity
+                if (type == MSG_TYPE_CURRENT_GPS_DATA) {
+                    int speed = buf.readShort();
+                    position.setValid(speed != -1);
+                    position.setSpeed(speed / 100.0 * 0.539957);
+                } else if (type == MSG_TYPE_STATE_FULL_INFO_T104) {
+                    int speed = buf.readUnsignedByte();
+                    position.setValid(speed != 255);
+                    position.setSpeed(speed * 0.539957);
+                    extendedInfo.set("hdop", buf.readByte());
+                }
+
+                // Course
+                position.setCourse(buf.readShort() / 100.0);
+
+                // Altitude
+                position.setAltitude((double) buf.readShort());
+
+                if (type == MSG_TYPE_STATE_FULL_INFO_T104) {
+
+                    // Satellites
+                    extendedInfo.set("satellites", buf.readUnsignedByte());
+                    
+                    // Cell signal
+                    extendedInfo.set("gsm", buf.readUnsignedByte());
+
+                    // Event type
+                    extendedInfo.set("event", buf.readUnsignedShort());
+
+                    // Milage
+                    extendedInfo.set("milage", buf.readUnsignedInt());
+
+                    // Input/Output
+                    extendedInfo.set("input", buf.readUnsignedByte());
+                    extendedInfo.set("output", buf.readUnsignedByte());
+                    
+                    // Analog sensors
+                    for (int i = 1; i <= 8; i++) {
+                        extendedInfo.set("adc" + i, buf.readUnsignedShort());
+                    }
+                    
+                    // Counters
+                    extendedInfo.set("c0", buf.readUnsignedInt());
+                    extendedInfo.set("c1", buf.readUnsignedInt());
+                    extendedInfo.set("c2", buf.readUnsignedInt());
+                    
+                    /*long extraFlags = buf.readLong();
+
+                    // Analog inputs
+                    if ((extraFlags & 0x1) == 0x1) {
+                        int count = buf.readUnsignedShort();
+                        for (int i = 1; i <= count; i++) {
+                            extendedInfo.set("adc" + i, buf.readUnsignedShort());
+                        }
+
+                    }
+
+                    // CAN adapter
+                    if ((extraFlags & 0x2) == 0x2) {
+                        int size = buf.readUnsignedShort();
+                        extendedInfo.set("can", buf.toString(buf.readerIndex(), size, Charset.defaultCharset()));
+                        buf.skipBytes(size);
+                    }
+
+                    // Passenger sensor
+                    if ((extraFlags & 0x4) == 0x4) {
+                        int size = buf.readUnsignedShort();
+
+                        // Convert binary data to hex
+                        StringBuilder hex = new StringBuilder();
+                        for (int i = buf.readerIndex(); i < buf.readerIndex() + size; i++) {
+                            byte b = buf.getByte(i);
+                            hex.append(HEX_CHARS.charAt((b & 0xf0) >> 4));
+                            hex.append(HEX_CHARS.charAt((b & 0x0F)));
+                        }
+
+                        extendedInfo.set("passenger", hex);
+
+                        buf.skipBytes(size);
+                    }
+
+                    // Send response for alarm message
+                    if (type == MSG_ALARM) {
+                        byte[] response = {(byte)0xC9,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+                        channel.write(ChannelBuffers.wrappedBuffer(response));
+
+                        extendedInfo.set("alarm", true);
+                    }*/
+                }
+
+                // Skip CRC
+                buf.readUnsignedInt();
+
+                // Extended info
+                position.setExtendedInfo(extendedInfo.toString());
+
+                positions.add(position);
+            }
+
+            //requestArchive(channel);
+
+            return positions;
+        }
+
+        return null;
+    }
+
+}