diff options
Diffstat (limited to 'src/org/traccar/protocol/BceProtocolDecoder.java')
| -rw-r--r-- | src/org/traccar/protocol/BceProtocolDecoder.java | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/src/org/traccar/protocol/BceProtocolDecoder.java b/src/org/traccar/protocol/BceProtocolDecoder.java deleted file mode 100644 index ed810bebb..000000000 --- a/src/org/traccar/protocol/BceProtocolDecoder.java +++ /dev/null @@ -1,175 +0,0 @@ -/* - * 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; - } - -} |