Convert project to gradle

1 files changed, 157 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java b/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java
new file mode 100644
index 000000000..0dd5b085a
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java
@@ -0,0 +1,157 @@
+/*
+ * Copyright 2014 - 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.BcdUtil;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+
+public class KhdProtocolDecoder extends BaseProtocolDecoder {
+
+    public KhdProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private String readSerialNumber(ByteBuf buf) {
+        int b1 = buf.readUnsignedByte();
+        int b2 = buf.readUnsignedByte() - 0x80;
+        int b3 = buf.readUnsignedByte() - 0x80;
+        int b4 = buf.readUnsignedByte();
+        return String.format("%02d%02d%02d%02d", b1, b2, b3, b4);
+    }
+
+    public static final int MSG_LOGIN = 0xB1;
+    public static final int MSG_CONFIRMATION = 0x21;
+    public static final int MSG_ON_DEMAND = 0x81;
+    public static final int MSG_POSITION_UPLOAD = 0x80;
+    public static final int MSG_POSITION_REUPLOAD = 0x8E;
+    public static final int MSG_ALARM = 0x82;
+    public static final int MSG_ADMIN_NUMBER = 0x83;
+    public static final int MSG_SEND_TEXT = 0x84;
+    public static final int MSG_REPLY = 0x85;
+    public static final int MSG_SMS_ALARM_SWITCH = 0x86;
+    public static final int MSG_PERIPHERAL = 0xA3;
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        buf.skipBytes(2); // header
+        int type = buf.readUnsignedByte();
+        buf.readUnsignedShort(); // size
+
+        if (type == MSG_LOGIN || type == MSG_ADMIN_NUMBER || type == MSG_SEND_TEXT
+                || type == MSG_SMS_ALARM_SWITCH || type == MSG_POSITION_REUPLOAD) {
+
+            ByteBuf response = Unpooled.buffer();
+            response.writeByte(0x29);
+            response.writeByte(0x29); // header
+            response.writeByte(MSG_CONFIRMATION);
+            response.writeShort(5); // size
+            response.writeByte(buf.getByte(buf.writerIndex() - 2));
+            response.writeByte(type);
+            response.writeByte(buf.writerIndex() > 9 ? buf.getByte(9) : 0); // 10th byte
+            response.writeByte(Checksum.xor(response.nioBuffer()));
+            response.writeByte(0x0D); // ending
+
+            if (channel != null) {
+                channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
+            }
+
+        }
+
+        if (type == MSG_ON_DEMAND || type == MSG_POSITION_UPLOAD || type == MSG_POSITION_REUPLOAD
+                || type == MSG_ALARM || type == MSG_REPLY || type == MSG_PERIPHERAL) {
+
+            Position position = new Position(getProtocolName());
+
+            DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, readSerialNumber(buf));
+            if (deviceSession == null) {
+                return null;
+            }
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            DateBuilder dateBuilder = new DateBuilder()
+                    .setYear(BcdUtil.readInteger(buf, 2))
+                    .setMonth(BcdUtil.readInteger(buf, 2))
+                    .setDay(BcdUtil.readInteger(buf, 2))
+                    .setHour(BcdUtil.readInteger(buf, 2))
+                    .setMinute(BcdUtil.readInteger(buf, 2))
+                    .setSecond(BcdUtil.readInteger(buf, 2));
+            position.setTime(dateBuilder.getDate());
+
+            position.setLatitude(BcdUtil.readCoordinate(buf));
+            position.setLongitude(BcdUtil.readCoordinate(buf));
+            position.setSpeed(UnitsConverter.knotsFromKph(BcdUtil.readInteger(buf, 4)));
+            position.setCourse(BcdUtil.readInteger(buf, 4));
+            position.setValid((buf.readUnsignedByte() & 0x80) != 0);
+
+            if (type != MSG_ALARM) {
+
+                position.set(Position.KEY_ODOMETER, buf.readUnsignedMedium());
+                position.set(Position.KEY_STATUS, buf.readUnsignedInt());
+                position.set(Position.KEY_HDOP, buf.readUnsignedByte());
+                position.set(Position.KEY_VDOP, buf.readUnsignedByte());
+                position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+
+                buf.skipBytes(5); // other location data
+
+                if (type == MSG_PERIPHERAL) {
+
+                    buf.readUnsignedShort(); // data length
+
+                    int dataType = buf.readUnsignedByte();
+
+                    buf.readUnsignedByte(); // content length
+
+                    switch (dataType) {
+                        case 0x01:
+                            position.set(Position.KEY_FUEL_LEVEL,
+                                    buf.readUnsignedByte() * 100 + buf.readUnsignedByte());
+                            break;
+                        case 0x02:
+                            position.set(Position.PREFIX_TEMP + 1,
+                                    buf.readUnsignedByte() * 100 + buf.readUnsignedByte());
+                            break;
+                        default:
+                            break;
+                    }
+
+                }
+
+            }
+
+            return position;
+
+        }
+
+        return null;
+    }
+
+}