diff options
Diffstat (limited to 'src/org/traccar')
| -rw-r--r-- | src/org/traccar/ServerManager.java | 14 | ||||
| -rw-r--r-- | src/org/traccar/protocol/M2mProtocolDecoder.java | 140 |
2 files changed, 154 insertions, 0 deletions
diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java index f5130816f..e478c6f2f 100644 --- a/src/org/traccar/ServerManager.java +++ b/src/org/traccar/ServerManager.java @@ -27,6 +27,7 @@ import org.jboss.netty.bootstrap.ServerBootstrap; import org.jboss.netty.buffer.ChannelBuffers; import org.jboss.netty.channel.ChannelPipeline; import org.jboss.netty.handler.codec.frame.DelimiterBasedFrameDecoder; +import org.jboss.netty.handler.codec.frame.FixedLengthFrameDecoder; import org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder; import org.jboss.netty.handler.codec.frame.LineBasedFrameDecoder; import org.jboss.netty.handler.codec.http.HttpRequestDecoder; @@ -149,6 +150,7 @@ public class ServerManager { initTotemServer("totem"); initGatorServer("gator"); initNoranServer("noran"); + initM2mServer("m2m"); // Initialize web server if (Boolean.valueOf(properties.getProperty("http.enable"))) { @@ -968,4 +970,16 @@ public class ServerManager { } } + private void initM2mServer(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 FixedLengthFrameDecoder(23)); + pipeline.addLast("objectDecoder", new M2mProtocolDecoder(ServerManager.this)); + } + }); + } + } + } diff --git a/src/org/traccar/protocol/M2mProtocolDecoder.java b/src/org/traccar/protocol/M2mProtocolDecoder.java new file mode 100644 index 000000000..71ed026ed --- /dev/null +++ b/src/org/traccar/protocol/M2mProtocolDecoder.java @@ -0,0 +1,140 @@ +/* + * 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.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.ExtendedInfoFormatter; +import org.traccar.model.Position; + +public class M2mProtocolDecoder extends BaseProtocolDecoder { + + public M2mProtocolDecoder(ServerManager serverManager) { + super(serverManager); + } + + private boolean firstPacket = true; + private Long deviceId; + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, Object msg) + throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + // Remove offset + for (int i = 0; i < buf.readableBytes(); i++) { + int b = buf.getByte(i); + if (b != 0x0b) { + buf.setByte(i, b - 0x20); + } + } + + if (firstPacket) { + + firstPacket = false; + + // Read IMEI + StringBuilder imei = new StringBuilder(); + for (int i = 0; i < 8; i++) { + int b = buf.readByte(); + if (i != 0) { + imei.append(b / 10); + } + imei.append(b % 10); + } + + // Identification + try { + deviceId = getDataManager().getDeviceByImei(imei.toString()).getId(); + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + } + + } else if (deviceId != null) { + + // Create new position + Position position = new Position(); + ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("m2m"); + position.setDeviceId(deviceId); + + // Date and time + Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC")); + time.clear(); + time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte() & 0x3f); + time.set(Calendar.MONTH, (buf.readUnsignedByte() & 0x3f) - 1); + time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte()); + time.set(Calendar.HOUR, buf.readUnsignedByte() & 0x3f); + time.set(Calendar.MINUTE, buf.readUnsignedByte() & 0x7f); + time.set(Calendar.SECOND, buf.readUnsignedByte() & 0x7f); + position.setTime(time.getTime()); + + // Location + int degrees = buf.readUnsignedByte(); + double latitude = buf.readUnsignedByte(); + latitude += buf.readUnsignedByte() / 100.0; + latitude += buf.readUnsignedByte() / 10000.0; + latitude /= 60; + latitude += degrees; + + int b = buf.readUnsignedByte(); + + degrees = (b & 0x7f) * 100 + buf.readUnsignedByte(); + double longitude = buf.readUnsignedByte(); + longitude += buf.readUnsignedByte() / 100.0; + longitude += buf.readUnsignedByte() / 10000.0; + longitude /= 60; + longitude += degrees; + + if ((b & 0x80) != 0) { + longitude = -longitude; + } + if ((b & 0x40) != 0) { + latitude = -latitude; + } + + position.setLatitude(latitude); + position.setLongitude(longitude); + position.setSpeed((double) buf.readUnsignedByte()); + position.setCourse(0.0); + position.setAltitude(0.0); + + // Satellites + int satellites = buf.readUnsignedByte(); + if (satellites == 0) { + return null; // cell information + } + extendedInfo.set("satellites", satellites); + position.setValid(true); + + // TODO decode everything else + + position.setExtendedInfo(extendedInfo.toString()); + return position; + + } + + return null; + } + +} |