Convert project to gradle

1 files changed, 289 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/DmtProtocolDecoder.java b/src/main/java/org/traccar/protocol/DmtProtocolDecoder.java
new file mode 100644
index 000000000..c04e90f1d
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/DmtProtocolDecoder.java
@@ -0,0 +1,289 @@
+/*
+ * Copyright 2017 - 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 io.netty.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.helper.BitUtil;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
+
+public class DmtProtocolDecoder extends BaseProtocolDecoder {
+
+    public DmtProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    public static final int MSG_HELLO = 0x00;
+    public static final int MSG_HELLO_RESPONSE = 0x01;
+    public static final int MSG_DATA_RECORD = 0x04;
+    public static final int MSG_COMMIT = 0x05;
+    public static final int MSG_COMMIT_RESPONSE = 0x06;
+    public static final int MSG_DATA_RECORD_64 = 0x10;
+
+    public static final int MSG_CANNED_REQUEST_1 = 0x14;
+    public static final int MSG_CANNED_RESPONSE_1 = 0x15;
+    public static final int MSG_CANNED_REQUEST_2 = 0x22;
+    public static final int MSG_CANNED_RESPONSE_2 = 0x23;
+
+    private void sendResponse(Channel channel, int type, ByteBuf content) {
+        if (channel != null) {
+            ByteBuf response = Unpooled.buffer();
+            response.writeByte(0x02); response.writeByte(0x55); // header
+            response.writeByte(type);
+            response.writeShortLE(content != null ? content.readableBytes() : 0);
+            if (content != null) {
+                response.writeBytes(content);
+                content.release();
+            }
+            channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+        }
+    }
+
+    private List<Position> decodeFixed64(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        List<Position> positions = new LinkedList<>();
+
+        while (buf.readableBytes() >= 64) {
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            buf.readByte(); // type
+
+            position.set(Position.KEY_INDEX, buf.readUnsignedIntLE());
+
+            long time = buf.readUnsignedIntLE();
+            position.setTime(new DateBuilder()
+                    .setYear((int) (2000 + (time & 0x3F)))
+                    .setMonth((int) (time >> 6) & 0xF)
+                    .setDay((int) (time >> 10) & 0x1F)
+                    .setHour((int) (time >> 15) & 0x1F)
+                    .setMinute((int) (time >> 20) & 0x3F)
+                    .setSecond((int) (time >> 26) & 0x3F)
+                    .getDate());
+
+            position.setLongitude(buf.readIntLE() * 0.0000001);
+            position.setLatitude(buf.readIntLE() * 0.0000001);
+            position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedShortLE()));
+            position.setCourse(buf.readUnsignedByte() * 2);
+            position.setAltitude(buf.readShortLE());
+
+            buf.readUnsignedShortLE(); // position accuracy
+            buf.readUnsignedByte(); // speed accuracy
+
+            position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+
+            position.setValid(BitUtil.check(buf.readByte(), 0));
+
+            position.set(Position.KEY_INPUT, buf.readUnsignedIntLE());
+            position.set(Position.KEY_OUTPUT, buf.readUnsignedShortLE());
+
+            for (int i = 1; i <= 5; i++) {
+                position.set(Position.PREFIX_ADC + i, buf.readShortLE());
+            }
+
+            position.set(Position.KEY_DEVICE_TEMP, buf.readByte());
+
+            buf.readShortLE(); // accelerometer x
+            buf.readShortLE(); // accelerometer y
+            buf.readShortLE(); // accelerometer z
+
+            buf.skipBytes(8); // device id
+
+            position.set(Position.KEY_PDOP, buf.readUnsignedShortLE() * 0.01);
+
+            buf.skipBytes(2); // reserved
+
+            buf.readUnsignedShortLE(); // checksum
+
+            positions.add(position);
+        }
+
+        return positions;
+    }
+
+    private List<Position> decodeStandard(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        List<Position> positions = new LinkedList<>();
+
+        while (buf.isReadable()) {
+            int recordEnd = buf.readerIndex() + buf.readUnsignedShortLE();
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            position.set(Position.KEY_INDEX, buf.readUnsignedIntLE());
+
+            position.setDeviceTime(new Date(1356998400000L + buf.readUnsignedIntLE() * 1000)); // since 1 Jan 2013
+
+            position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+
+            while (buf.readerIndex() < recordEnd) {
+
+                int fieldId = buf.readUnsignedByte();
+                int fieldLength = buf.readUnsignedByte();
+                int fieldEnd = buf.readerIndex() + (fieldLength == 255 ? buf.readUnsignedShortLE() : fieldLength);
+
+                if (fieldId == 0) {
+
+                    position.setFixTime(new Date(1356998400000L + buf.readUnsignedIntLE() * 1000));
+                    position.setLatitude(buf.readIntLE() * 0.0000001);
+                    position.setLongitude(buf.readIntLE() * 0.0000001);
+                    position.setAltitude(buf.readShortLE());
+                    position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedShortLE()));
+
+                    buf.readUnsignedByte(); // speed accuracy
+
+                    position.setCourse(buf.readUnsignedByte() * 2);
+
+                    position.set(Position.KEY_PDOP, buf.readUnsignedByte() * 0.1);
+
+                    position.setAccuracy(buf.readUnsignedByte());
+                    position.setValid(buf.readUnsignedByte() != 0);
+
+                } else if (fieldId == 2) {
+
+                    int input = buf.readIntLE();
+                    int output = buf.readUnsignedShortLE();
+                    int status = buf.readUnsignedShortLE();
+
+                    position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
+
+                    position.set(Position.KEY_INPUT, input);
+                    position.set(Position.KEY_OUTPUT, output);
+                    position.set(Position.KEY_STATUS, status);
+
+                } else if (fieldId == 6) {
+
+                    while (buf.readerIndex() < fieldEnd) {
+                        switch (buf.readUnsignedByte()) {
+                            case 1:
+                                position.set(Position.KEY_BATTERY, buf.readUnsignedShortLE() * 0.001);
+                                break;
+                            case 2:
+                                position.set(Position.KEY_POWER, buf.readUnsignedShortLE() * 0.01);
+                                break;
+                            case 3:
+                                position.set(Position.KEY_DEVICE_TEMP, buf.readShortLE() * 0.01);
+                                break;
+                            case 4:
+                                position.set(Position.KEY_RSSI, buf.readUnsignedShortLE());
+                                break;
+                            case 5:
+                                position.set("solarPower", buf.readUnsignedShortLE() * 0.001);
+                                break;
+                            default:
+                                break;
+                        }
+                    }
+
+                }
+
+                buf.readerIndex(fieldEnd);
+
+            }
+
+            if (position.getFixTime() == null) {
+                getLastLocation(position, position.getDeviceTime());
+            }
+
+            positions.add(position);
+        }
+
+        return positions;
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        buf.skipBytes(2); // header
+
+        int type = buf.readUnsignedByte();
+        int length = buf.readUnsignedShortLE();
+
+        if (type == MSG_HELLO) {
+
+            buf.readUnsignedIntLE(); // device serial number
+
+            DeviceSession deviceSession = getDeviceSession(
+                    channel, remoteAddress, buf.readSlice(15).toString(StandardCharsets.US_ASCII));
+
+            ByteBuf response = Unpooled.buffer();
+            if (length == 51) {
+                response.writeByte(0); // reserved
+                response.writeIntLE(0); // reserved
+            } else {
+                response.writeIntLE((int) ((System.currentTimeMillis() - 1356998400000L) / 1000));
+                response.writeIntLE(deviceSession != null ? 0 : 1); // flags
+            }
+
+            sendResponse(channel, MSG_HELLO_RESPONSE, response);
+
+        } else if (type == MSG_COMMIT) {
+
+            ByteBuf response = Unpooled.buffer(0);
+            response.writeByte(1); // flags (success)
+            sendResponse(channel, MSG_COMMIT_RESPONSE, response);
+
+        } else if (type == MSG_CANNED_REQUEST_1) {
+
+            ByteBuf response = Unpooled.buffer(0);
+            response.writeBytes(new byte[12]);
+            sendResponse(channel, MSG_CANNED_RESPONSE_1, response);
+
+        } else if (type == MSG_CANNED_REQUEST_2) {
+
+            sendResponse(channel, MSG_CANNED_RESPONSE_2, null);
+
+        } else if (type == MSG_DATA_RECORD_64) {
+
+            return decodeFixed64(channel, remoteAddress, buf);
+
+        } else if (type == MSG_DATA_RECORD) {
+
+            return decodeStandard(channel, remoteAddress, buf);
+
+        }
+
+        return null;
+    }
+
+}