diff options
Diffstat (limited to 'src/org/traccar/protocol/AutoFon45ProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/AutoFon45ProtocolDecoder.java | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/src/org/traccar/protocol/AutoFon45ProtocolDecoder.java b/src/org/traccar/protocol/AutoFon45ProtocolDecoder.java deleted file mode 100644 index ad3097a68..000000000 --- a/src/org/traccar/protocol/AutoFon45ProtocolDecoder.java +++ /dev/null @@ -1,130 +0,0 @@ -/* - * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com) - * Copyright 2015 Vitaly Litvak (vitavaque@gmail.com) - * - * 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 java.net.SocketAddress; -import java.util.Arrays; -import org.jboss.netty.buffer.ChannelBuffer; -import org.jboss.netty.buffer.ChannelBuffers; -import org.jboss.netty.channel.Channel; -import org.traccar.BaseProtocolDecoder; -import org.traccar.helper.BitUtil; -import org.traccar.helper.DateBuilder; -import org.traccar.model.Event; -import org.traccar.model.Position; -import static org.traccar.protocol.AutoFon45FrameDecoder.MSG_LOCATION; -import static org.traccar.protocol.AutoFon45FrameDecoder.MSG_LOGIN; - -public class AutoFon45ProtocolDecoder extends BaseProtocolDecoder { - - public AutoFon45ProtocolDecoder(AutoFon45Protocol protocol) { - super(protocol); - } - - private static double convertCoordinate(short degrees, int minutes) { - double value = degrees + BitUtil.from(minutes, 4) / 600000.0; - if (BitUtil.check(minutes, 0)) { - return value; - } else { - return -value; - } - } - - private static byte checksum(byte[] bytes, int offset, int len) { - byte result = 0x3B; - for (int i = offset; i < offset + len; i++) { - result += 0x56 ^ bytes[i]; - result++; - result ^= 0xC5 + bytes[i]; - result--; - } - return result; - } - - @Override - protected Object decode( - Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { - - ChannelBuffer buf = (ChannelBuffer) msg; - - int type = buf.getUnsignedByte(buf.readerIndex()); - - if (type == MSG_LOGIN) { - - byte[] bytes = new byte[19]; - buf.readBytes(bytes); - - String imei = ChannelBuffers.hexDump(ChannelBuffers.wrappedBuffer(bytes, 1, 8)).substring(1); - if (!identify(imei, channel, remoteAddress)) { - return null; - } - - // Send response (checksum) - if (channel != null) { - byte[] response = "resp_crc=".getBytes("US-ASCII"); - response = Arrays.copyOf(response, response.length + 1); - response[response.length - 1] = checksum(bytes, 0, 18); - channel.write(ChannelBuffers.wrappedBuffer(response)); - } - - } else if (type == MSG_LOCATION) { - - buf.readUnsignedByte(); - - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(getDeviceId()); - - short status = buf.readUnsignedByte(); - position.set(Event.KEY_ALARM, BitUtil.check(status, 7)); - position.set(Event.KEY_BATTERY, BitUtil.to(status, 7)); - - buf.skipBytes(2); // remaining time - - position.set(Event.PREFIX_TEMP + 1, buf.readByte()); - - buf.skipBytes(2); // timer (interval and units) - buf.readByte(); // mode - buf.readByte(); // gprs sending interval - - buf.skipBytes(6); // mcc, mnc, lac, cid - - int valid = buf.readUnsignedByte(); - position.setValid(BitUtil.from(valid, 6) != 0); - position.set(Event.KEY_SATELLITES, BitUtil.from(valid, 6)); - - int time = buf.readUnsignedMedium(); - int date = buf.readUnsignedMedium(); - - DateBuilder dateBuilder = new DateBuilder() - .setTime(time / 10000, time / 100 % 100, time % 100) - .setDateReverse(date / 10000, date / 100 % 100, date % 100); - position.setTime(dateBuilder.getDate()); - - position.setLatitude(convertCoordinate(buf.readUnsignedByte(), buf.readUnsignedMedium())); - position.setLongitude(convertCoordinate(buf.readUnsignedByte(), buf.readUnsignedMedium())); - position.setSpeed(buf.readUnsignedByte()); - position.setCourse(buf.readUnsignedShort()); - - return position; - - } - - return null; - } - -} |