Convert project to gradle

1 files changed, 175 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/BceProtocolDecoder.java b/src/main/java/org/traccar/protocol/BceProtocolDecoder.java
new file mode 100644
index 000000000..ed810bebb
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/BceProtocolDecoder.java
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2015 - 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.UnitsConverter;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
+
+public class BceProtocolDecoder extends BaseProtocolDecoder {
+
+    public BceProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    private static final int DATA_TYPE = 7;
+
+    public static final int MSG_ASYNC_STACK = 0xA5;
+    public static final int MSG_STACK_COFIRM = 0x19;
+    public static final int MSG_TIME_TRIGGERED = 0xA0;
+    public static final int MSG_OUTPUT_CONTROL = 0x41;
+    public static final int MSG_OUTPUT_CONTROL_ACK = 0xC1;
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        String imei = String.format("%015d", buf.readLongLE());
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        List<Position> positions = new LinkedList<>();
+
+        while (buf.readableBytes() > 1) {
+
+            int dataEnd = buf.readUnsignedShortLE() + buf.readerIndex();
+            int type = buf.readUnsignedByte();
+
+            if (type != MSG_ASYNC_STACK && type != MSG_TIME_TRIGGERED) {
+                return null;
+            }
+
+            int confirmKey = buf.readUnsignedByte() & 0x7F;
+
+            while (buf.readerIndex() < dataEnd) {
+
+                Position position = new Position(getProtocolName());
+                position.setDeviceId(deviceSession.getDeviceId());
+
+                int structEnd = buf.readUnsignedByte() + buf.readerIndex();
+
+                long time = buf.readUnsignedIntLE();
+                if ((time & 0x0f) == DATA_TYPE) {
+
+                    time = time >> 4 << 1;
+                    time += 0x47798280; // 01/01/2008
+                    position.setTime(new Date(time * 1000));
+
+                    // Read masks
+                    int mask;
+                    List<Integer> masks = new LinkedList<>();
+                    do {
+                        mask = buf.readUnsignedShortLE();
+                        masks.add(mask);
+                    } while (BitUtil.check(mask, 15));
+
+                    mask = masks.get(0);
+
+                    if (BitUtil.check(mask, 0)) {
+                        position.setValid(true);
+                        position.setLongitude(buf.readFloatLE());
+                        position.setLatitude(buf.readFloatLE());
+                        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+
+                        int status = buf.readUnsignedByte();
+                        position.set(Position.KEY_SATELLITES, BitUtil.to(status, 4));
+                        position.set(Position.KEY_HDOP, BitUtil.from(status, 4));
+
+                        position.setCourse(buf.readUnsignedByte() * 2);
+                        position.setAltitude(buf.readUnsignedShortLE());
+
+                        position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
+                    }
+
+                    if (BitUtil.check(mask, 1)) {
+                        position.set(Position.KEY_INPUT, buf.readUnsignedShortLE());
+                    }
+
+                    for (int i = 1; i <= 8; i++) {
+                        if (BitUtil.check(mask, i + 1)) {
+                            position.set(Position.PREFIX_ADC + i, buf.readUnsignedShortLE());
+                        }
+                    }
+
+                    if (BitUtil.check(mask, 10)) {
+                        buf.skipBytes(4);
+                    }
+                    if (BitUtil.check(mask, 11)) {
+                        buf.skipBytes(4);
+                    }
+                    if (BitUtil.check(mask, 12)) {
+                        buf.skipBytes(2);
+                    }
+                    if (BitUtil.check(mask, 13)) {
+                        buf.skipBytes(2);
+                    }
+
+                    if (BitUtil.check(mask, 14)) {
+                        position.setNetwork(new Network(CellTower.from(
+                                buf.readUnsignedShortLE(), buf.readUnsignedByte(),
+                                buf.readUnsignedShortLE(), buf.readUnsignedShortLE(),
+                                buf.readUnsignedByte())));
+                        buf.readUnsignedByte();
+                    }
+
+                    if (BitUtil.check(mask, 0)) {
+                        positions.add(position);
+                    }
+                }
+
+                buf.readerIndex(structEnd);
+            }
+
+            // Send response
+            if (type == MSG_ASYNC_STACK && channel != null) {
+                ByteBuf response = Unpooled.buffer(8 + 2 + 2 + 1);
+                response.writeLongLE(Long.parseLong(imei));
+                response.writeShortLE(2);
+                response.writeByte(MSG_STACK_COFIRM);
+                response.writeByte(confirmKey);
+
+                int checksum = 0;
+                for (int i = 0; i < response.writerIndex(); i++) {
+                    checksum += response.getUnsignedByte(i);
+                }
+                response.writeByte(checksum);
+
+                channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
+            }
+        }
+
+        return positions;
+    }
+
+}