diff options
| -rw-r--r-- | default.cfg | 4 | ||||
| -rw-r--r-- | src/org/traccar/ServerManager.java | 13 | ||||
| -rw-r--r-- | src/org/traccar/protocol/AtrackProtocolDecoder.java | 130 |
3 files changed, 147 insertions, 0 deletions
diff --git a/default.cfg b/default.cfg index a3bbafc09..c4cd5e9eb 100644 --- a/default.cfg +++ b/default.cfg @@ -237,4 +237,8 @@ <entry key='globalsat.enable'>true</entry> <entry key='globalsat.port'>5043</entry> + <!-- Atrack server configuration --> + <entry key='atrack.enable'>true</entry> + <entry key='atrack.port'>5044</entry> + </properties> diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java index afb6fa60a..55e4e4eeb 100644 --- a/src/org/traccar/ServerManager.java +++ b/src/org/traccar/ServerManager.java @@ -150,6 +150,7 @@ public class ServerManager { initApelServer("apel"); initManPowerServer("manpower"); initGlobalSatServer("globalsat"); + initAtrackServer("atrack"); // Initialize web server if (Boolean.valueOf(properties.getProperty("http.enable"))) { @@ -891,4 +892,16 @@ public class ServerManager { } } + private void initAtrackServer(String protocol) throws SQLException { + if (isProtocolEnabled(properties, protocol)) { + serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(1024, 4, 2, 6, 0)); + pipeline.addLast("objectDecoder", new AtrackProtocolDecoder(ServerManager.this)); + } + }); + } + } + } diff --git a/src/org/traccar/protocol/AtrackProtocolDecoder.java b/src/org/traccar/protocol/AtrackProtocolDecoder.java new file mode 100644 index 000000000..43efac542 --- /dev/null +++ b/src/org/traccar/protocol/AtrackProtocolDecoder.java @@ -0,0 +1,130 @@ +/* + * Copyright 2013 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 java.util.Calendar; +import java.util.TimeZone; +import org.jboss.netty.buffer.ChannelBuffer; +import org.jboss.netty.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.traccar.BaseProtocolDecoder; +import org.traccar.ServerManager; +import org.traccar.helper.Log; +import org.traccar.model.Position; + +public class AtrackProtocolDecoder extends BaseProtocolDecoder { + + public AtrackProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + private String readImei(ChannelBuffer buf) { + int b = buf.readUnsignedByte(); + StringBuilder imei = new StringBuilder(); + imei.append(b & 0x0F); + for (int i = 0; i < 7; i++) { + b = buf.readUnsignedByte(); + imei.append((b & 0xF0) >> 4); + imei.append(b & 0x0F); + } + return imei.toString(); + } + + private static final int MSG_HEARTBEAT = 0x1A; + private static final int MSG_DATA = 0x10; + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.skipBytes(2); // prefix + buf.readUnsignedShort(); // checksum + buf.readUnsignedShort(); // length + + // Zero for location messages + buf.readByte(); // voltage + buf.readByte(); // gsm signal + + String imei = readImei(buf); + long index = buf.readUnsignedShort(); + int type = buf.readUnsignedByte(); + + if (type == MSG_HEARTBEAT) { + if (channel != null) { + byte[] response = {0x54, 0x68, 0x1A, 0x0D, 0x0A}; + channel.write(ChannelBuffers.wrappedBuffer(response)); + } + } + + else if (type == MSG_DATA) { + + // Create new position + Position position = new Position(); + position.setId(index); + + // Get device id + try { + position.setDeviceId(getDataManager().getDeviceByImei(imei).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + } + + // Date and time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte()); + time.set(Calendar.MONTH, buf.readUnsignedByte() - 1); + time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte()); + time.set(Calendar.HOUR, buf.readUnsignedByte()); + time.set(Calendar.MINUTE, buf.readUnsignedByte()); + time.set(Calendar.SECOND, buf.readUnsignedByte()); + position.setTime(time.getTime()); + + // Latitude + double latitude = buf.readUnsignedInt() / (60.0 * 30000.0); + + // Longitude + double longitude = buf.readUnsignedInt() / (60.0 * 30000.0); + + // Speed + position.setSpeed((double) buf.readUnsignedByte()); + + // Course + position.setCourse((double) buf.readUnsignedShort()); + + buf.skipBytes(3); // reserved + + // Flags + long flags = buf.readUnsignedInt(); + position.setValid((flags & 0x1) == 0x1); + if ((flags & 0x2) == 0) latitude = -latitude; + if ((flags & 0x4) == 0) longitude = -longitude; + + position.setLatitude(latitude); + position.setLongitude(longitude); + position.setAltitude(0.0); + + return position; + } + + return null; + } + +} |