From 183273d381c132ff657416b6530a193dac157b0d Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sat, 28 Feb 2015 12:09:43 +1300 Subject: Begin BCE implementation --- src/org/traccar/ServerManager.java | 14 +++ src/org/traccar/protocol/BceFrameDecoder.java | 47 +++++++++ src/org/traccar/protocol/BceProtocolDecoder.java | 124 +++++++++++++++++++++++ 3 files changed, 185 insertions(+) create mode 100644 src/org/traccar/protocol/BceFrameDecoder.java create mode 100644 src/org/traccar/protocol/BceProtocolDecoder.java (limited to 'src/org') diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java index 6b46079e9..f637f8161 100644 --- a/src/org/traccar/ServerManager.java +++ b/src/org/traccar/ServerManager.java @@ -180,6 +180,7 @@ public class ServerManager { initAutoFonServer("autofon"); initGoSafeServer("gosafe"); initAutoFon45Server("autofon45"); + initBceServer("bce"); initProtocolDetector(); @@ -1322,4 +1323,17 @@ public class ServerManager { }); } } + + private void initBceServer(final 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 BceFrameDecoder()); + pipeline.addLast("objectDecoder", new BceProtocolDecoder(dataManager, protocol, properties)); + } + }); + } + } + } diff --git a/src/org/traccar/protocol/BceFrameDecoder.java b/src/org/traccar/protocol/BceFrameDecoder.java new file mode 100644 index 000000000..84f7aa870 --- /dev/null +++ b/src/org/traccar/protocol/BceFrameDecoder.java @@ -0,0 +1,47 @@ +/* + * 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.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder; + +public class BceFrameDecoder extends LengthFieldBasedFrameDecoder { + + private static final int HANDSHAKE_LENGTH = 7; // "#BCE#\r\n" + + private boolean header = true; + + public BceFrameDecoder() { + super(1024, 8, 2); + } + + @Override + protected Object decode( + ChannelHandlerContext ctx, + Channel channel, + ChannelBuffer buf) throws Exception { + + if (header && buf.readableBytes() >= HANDSHAKE_LENGTH) { + buf.skipBytes(HANDSHAKE_LENGTH); + header = false; + } + + return super.decode(ctx, channel, buf); + } + +} diff --git a/src/org/traccar/protocol/BceProtocolDecoder.java b/src/org/traccar/protocol/BceProtocolDecoder.java new file mode 100644 index 000000000..1b65f85da --- /dev/null +++ b/src/org/traccar/protocol/BceProtocolDecoder.java @@ -0,0 +1,124 @@ +/* + * 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 java.util.Calendar; +import java.util.Properties; +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.database.DataManager; +import org.traccar.helper.Log; +import org.traccar.model.ExtendedInfoFormatter; +import org.traccar.model.Position; + +public class BceProtocolDecoder extends BaseProtocolDecoder { + + public BceProtocolDecoder(DataManager dataManager, String protocol, Properties properties) { + super(dataManager, protocol, properties); + } + + 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); // header + buf.readByte(); // size + + // 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(); + ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter(getProtocol()); + extendedInfo.set("index", index); + + // Get device id + try { + position.setDeviceId(getDataManager().getDeviceByImei(imei).getId()); + } catch(Exception error) { + Log.warning("Unknown device - " + imei); + return null; + } + + // 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_OF_DAY, 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); + + position.setExtendedInfo(extendedInfo.toString()); + return position; + }*/ + + return null; + } + +} -- cgit v1.2.3