diff options
Diffstat (limited to 'src/org/traccar/protocol/MxtProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/MxtProtocolDecoder.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/MxtProtocolDecoder.java b/src/org/traccar/protocol/MxtProtocolDecoder.java new file mode 100644 index 000000000..014033be4 --- /dev/null +++ b/src/org/traccar/protocol/MxtProtocolDecoder.java @@ -0,0 +1,93 @@ +/* + * Copyright 2015 Anton Tananaev (anton.tananaev@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 org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.traccar.BaseProtocolDecoder; +import org.traccar.helper.ChannelBufferTools; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Event; +import org.traccar.model.Position; + +import java.util.Date; + +public class MxtProtocolDecoder extends BaseProtocolDecoder { + + public MxtProtocolDecoder(String protocol) { + super(protocol); + } + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + /*buf.readByte(); // header + buf.readUnsignedByte(); // version + buf.readUnsignedByte(); // type + + // Create new position + Position position = new Position(); + position.setProtocol(getProtocol()); + + // Get device id + String imei = ChannelBufferTools.readHexString(buf, 16).substring(1); + if (!identify(imei)) { + return null; + } + position.setDeviceId(getDeviceId()); + + // Time + long seconds = buf.readUnsignedInt() & 0x7fffffffl; + seconds += 946684800l; // 2000-01-01 00:00 + position.setTime(new Date(seconds * 1000)); + + boolean hasLocation = false; + + while (buf.readableBytes() > 3) { + + short type = buf.readUnsignedByte(); + short length = buf.readUnsignedByte(); + + switch (type) { + + case DATA_GPS: + hasLocation = true; + position.setValid(true); + position.setLatitude(buf.readInt() / 1000000.0); + position.setLongitude(buf.readInt() / 1000000.0); + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort())); + position.setCourse(buf.readUnsignedShort()); + position.set(Event.KEY_HDOP, buf.readUnsignedShort()); + break; + + default: + buf.skipBytes(length); + break; + } + } + + if (hasLocation) { + return position; + }*/ + return null; + } + +} |