diff options
Diffstat (limited to 'src/org/traccar/protocol/PricolProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/PricolProtocolDecoder.java | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/PricolProtocolDecoder.java b/src/org/traccar/protocol/PricolProtocolDecoder.java new file mode 100644 index 000000000..52b68cca6 --- /dev/null +++ b/src/org/traccar/protocol/PricolProtocolDecoder.java @@ -0,0 +1,96 @@ +/* + * Copyright 2017 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 org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; + +public class PricolProtocolDecoder extends BaseProtocolDecoder { + + public PricolProtocolDecoder(PricolProtocol protocol) { + super(protocol); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.readUnsignedByte(); // header + + DeviceSession deviceSession = getDeviceSession( + channel, remoteAddress, buf.readBytes(7).toString(StandardCharsets.US_ASCII)); + if (deviceSession == null) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + buf.readUnsignedByte(); // event type + buf.readUnsignedByte(); // packet version + buf.readUnsignedByte(); // device status + buf.readUnsignedByte(); // gsm status + buf.readUnsignedByte(); // gps status + + position.setTime(new DateBuilder() + .setDateReverse(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()) + .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()).getDate()); + + position.setValid(true); + + double lat = buf.getUnsignedShort(buf.readerIndex()) / 100; + lat += (buf.readUnsignedShort() % 100 * 10000 + buf.readUnsignedShort()) / 600000.0; + position.setLatitude(buf.readUnsignedByte() == 'S' ? -lat : lat); + + double lon = buf.getUnsignedMedium(buf.readerIndex()) / 100; + lon += (buf.readUnsignedMedium() % 100 * 10000 + buf.readUnsignedShort()) / 600000.0; + position.setLongitude(buf.readUnsignedByte() == 'W' ? -lon : lon); + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + + position.set(Position.KEY_INPUT, buf.readUnsignedShort()); + position.set(Position.KEY_OUTPUT, buf.readUnsignedByte()); + + buf.readUnsignedByte(); // analog alerts + buf.readUnsignedShort(); // custom alert types + + for (int i = 1; i <= 5; i++) { + position.set(Position.PREFIX_ADC + i, buf.readUnsignedShort()); + } + + position.set(Position.KEY_ODOMETER, buf.readUnsignedMedium()); + position.set(Position.KEY_RPM, buf.readUnsignedShort()); + + if (channel != null) { + channel.write(ChannelBuffers.copiedBuffer("ACK", StandardCharsets.US_ASCII)); + } + + return position; + } + +} |