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author | Christoph Krey <c@ckrey.de> | 2018-04-16 10:45:11 +0200 |
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committer | GitHub <noreply@github.com> | 2018-04-16 10:45:11 +0200 |
commit | 3a602dd133b533cc69d5986d64a00fb3ed670f75 (patch) | |
tree | 97ff753db310a49ae7e53240b1db07fb8475679e /src/org/traccar/protocol/ContinentalProtocolDecoder.java | |
parent | 232de5f0daef98f31b28d177d991fdbfa191f195 (diff) | |
parent | 6d4b8df25c7e942b9ad594db9444fe15bcb16be9 (diff) | |
download | traccar-server-3a602dd133b533cc69d5986d64a00fb3ed670f75.tar.gz traccar-server-3a602dd133b533cc69d5986d64a00fb3ed670f75.tar.bz2 traccar-server-3a602dd133b533cc69d5986d64a00fb3ed670f75.zip |
Merge pull request #4 from traccar/master
upgrade to current master
Diffstat (limited to 'src/org/traccar/protocol/ContinentalProtocolDecoder.java')
-rw-r--r-- | src/org/traccar/protocol/ContinentalProtocolDecoder.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/ContinentalProtocolDecoder.java b/src/org/traccar/protocol/ContinentalProtocolDecoder.java new file mode 100644 index 000000000..726d9e16b --- /dev/null +++ b/src/org/traccar/protocol/ContinentalProtocolDecoder.java @@ -0,0 +1,113 @@ +/* + * Copyright 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 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.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.Date; + +public class ContinentalProtocolDecoder extends BaseProtocolDecoder { + + public ContinentalProtocolDecoder(ContinentalProtocol protocol) { + super(protocol); + } + + public static final int MSG_KEEPALIVE = 0x00; + public static final int MSG_STATUS = 0x02; + public static final int MSG_ACK = 0x06; + public static final int MSG_NACK = 0x15; + + private void sendResponse(Channel channel, long serialNumber) { + if (channel != null) { + ChannelBuffer response = ChannelBuffers.dynamicBuffer(); + + response.writeByte('S'); + response.writeByte('V'); + response.writeShort(2 + 2 + 1 + 4 + 2); // length + response.writeByte(1); // version + response.writeInt((int) serialNumber); + response.writeByte(0); // product + response.writeByte(MSG_ACK); + + channel.write(response); + } + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.skipBytes(2); // header + buf.readUnsignedShort(); // length + buf.readUnsignedByte(); // software version + + long serialNumber = buf.readUnsignedInt(); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, String.valueOf(serialNumber)); + if (deviceSession == null) { + return null; + } + + sendResponse(channel, serialNumber); + + buf.readUnsignedByte(); // product + + int type = buf.readUnsignedByte(); + + if (type == MSG_STATUS) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setFixTime(new Date(buf.readUnsignedInt() * 1000L)); + + buf.readUnsignedByte(); + position.setLatitude(buf.readMedium() / 3600.0); + + buf.readUnsignedByte(); + position.setLongitude(buf.readMedium() / 3600.0); + + position.setCourse(buf.readUnsignedShort()); + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort())); + + position.setValid(buf.readUnsignedByte() > 0); + + position.setDeviceTime(new Date(buf.readUnsignedInt() * 1000L)); + + position.set(Position.KEY_EVENT, buf.readUnsignedShort()); + position.set(Position.KEY_INPUT, buf.readUnsignedShort()); + position.set(Position.KEY_OUTPUT, buf.readUnsignedShort()); + position.set(Position.KEY_BATTERY, buf.readUnsignedByte()); + position.set(Position.KEY_DEVICE_TEMP, buf.readByte()); + + buf.readUnsignedShort(); // reserved + + return position; + + } + + return null; + } + +} |