diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java')
-rw-r--r-- | src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java b/src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java new file mode 100644 index 000000000..34d749816 --- /dev/null +++ b/src/main/java/org/traccar/protocol/SolarPoweredProtocolDecoder.java @@ -0,0 +1,97 @@ +/* + * Copyright 2019 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.ByteBufUtil; +import io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +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; + +public class SolarPoweredProtocolDecoder extends BaseProtocolDecoder { + + public SolarPoweredProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_ACTIVE_REPORTING = 0x11; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.readUnsignedByte(); // start marker + + String imei = ByteBufUtil.hexDump(buf.readSlice(8)).substring(0, 15); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei); + if (deviceSession == null) { + return null; + } + + int type = buf.readUnsignedByte(); + buf.readUnsignedShort(); // attributes + + if (type == MSG_ACTIVE_REPORTING) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + while (buf.readableBytes() > 2) { + int tag = buf.readUnsignedByte(); + int length = buf.readUnsignedByte(); + switch (tag) { + case 0x81: + int status = buf.readUnsignedByte(); + DateBuilder dateBuilder = new DateBuilder() + .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()) + .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); + position.setTime(dateBuilder.getDate()); + position.setLatitude(buf.readUnsignedInt() * 0.000001); + if (BitUtil.check(status, 3)) { + position.setLatitude(-position.getLatitude()); + } + position.setLongitude(buf.readUnsignedInt() * 0.000001); + if (BitUtil.check(status, 3)) { + position.setLongitude(-position.getLongitude()); + } + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + position.set(Position.KEY_DEVICE_TEMP, (int) buf.readByte()); + position.set(Position.KEY_BATTERY, buf.readUnsignedByte() * 0.02); + position.setCourse(buf.readUnsignedByte()); + break; + default: + buf.skipBytes(length); + break; + } + } + + return position; + + } + + return null; + } + +} |