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Diffstat (limited to 'src/org/traccar/protocol/NvsProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/NvsProtocolDecoder.java | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/src/org/traccar/protocol/NvsProtocolDecoder.java b/src/org/traccar/protocol/NvsProtocolDecoder.java deleted file mode 100644 index 5d1159f7d..000000000 --- a/src/org/traccar/protocol/NvsProtocolDecoder.java +++ /dev/null @@ -1,137 +0,0 @@ -/* - * Copyright 2016 - 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.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 NvsProtocolDecoder extends BaseProtocolDecoder { - - public NvsProtocolDecoder(Protocol protocol) { - super(protocol); - } - - private void sendResponse(Channel channel, SocketAddress remoteAddress, String response) { - if (channel != null) { - channel.writeAndFlush(new NetworkMessage( - Unpooled.copiedBuffer(response, StandardCharsets.US_ASCII), remoteAddress)); - } - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ByteBuf buf = (ByteBuf) msg; - - - if (buf.getUnsignedByte(buf.readerIndex()) == 0) { - - buf.readUnsignedShort(); // length - - String imei = buf.toString(buf.readerIndex(), 15, StandardCharsets.US_ASCII); - - if (getDeviceSession(channel, remoteAddress, imei) != null) { - sendResponse(channel, remoteAddress, "OK"); - } else { - sendResponse(channel, remoteAddress, "NO01"); - } - - } else { - - DeviceSession deviceSession = getDeviceSession(channel, remoteAddress); - if (deviceSession == null) { - return null; - } - - List<Position> positions = new LinkedList<>(); - - buf.skipBytes(4); // marker - buf.readUnsignedShort(); // length - buf.readLong(); // imei - buf.readUnsignedByte(); // codec - int count = buf.readUnsignedByte(); - - for (int i = 0; i < count; i++) { - Position position = new Position(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - position.setTime(new Date(buf.readUnsignedInt() * 1000)); - - position.set("reason", buf.readUnsignedByte()); - - position.setLongitude(buf.readInt() / 10000000.0); - position.setLatitude(buf.readInt() / 10000000.0); - position.setAltitude(buf.readShort()); - position.setCourse(buf.readUnsignedShort()); - - position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); - - position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort())); - position.setValid(buf.readUnsignedByte() != 0); - - buf.readUnsignedByte(); // used systems - - buf.readUnsignedByte(); // cause element id - - // Read 1 byte data - int cnt = buf.readUnsignedByte(); - for (int j = 0; j < cnt; j++) { - position.set(Position.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedByte()); - } - - // Read 2 byte data - cnt = buf.readUnsignedByte(); - for (int j = 0; j < cnt; j++) { - position.set(Position.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedShort()); - } - - // Read 4 byte data - cnt = buf.readUnsignedByte(); - for (int j = 0; j < cnt; j++) { - position.set(Position.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedInt()); - } - - // Read 8 byte data - cnt = buf.readUnsignedByte(); - for (int j = 0; j < cnt; j++) { - position.set(Position.PREFIX_IO + buf.readUnsignedByte(), buf.readLong()); - } - - positions.add(position); - } - - return positions; - - } - - return null; - } - -} |