From 943a240b416dee2468723dd1c8ee247c4ada67c2 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Fri, 8 Dec 2017 06:50:03 +1300 Subject: Implement Stesalit T57 protocol --- src/org/traccar/protocol/T57FrameDecoder.java | 49 ++++++++++++++ src/org/traccar/protocol/T57Protocol.java | 46 +++++++++++++ src/org/traccar/protocol/T57ProtocolDecoder.java | 84 ++++++++++++++++++++++++ 3 files changed, 179 insertions(+) create mode 100644 src/org/traccar/protocol/T57FrameDecoder.java create mode 100644 src/org/traccar/protocol/T57Protocol.java create mode 100644 src/org/traccar/protocol/T57ProtocolDecoder.java (limited to 'src/org/traccar/protocol') diff --git a/src/org/traccar/protocol/T57FrameDecoder.java b/src/org/traccar/protocol/T57FrameDecoder.java new file mode 100644 index 000000000..b3b456516 --- /dev/null +++ b/src/org/traccar/protocol/T57FrameDecoder.java @@ -0,0 +1,49 @@ +/* + * Copyright 2017 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.channel.Channel; +import org.jboss.netty.channel.ChannelHandlerContext; +import org.jboss.netty.handler.codec.frame.FrameDecoder; + +import java.nio.charset.StandardCharsets; + +public class T57FrameDecoder extends FrameDecoder { + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception { + + if (buf.readableBytes() < 10) { + return null; + } + + String type = buf.toString(buf.readerIndex() + 5, 2, StandardCharsets.US_ASCII); + int count = type.equals("F3") ? 12 : 14; + + int index = 0; + while (index >= 0 && count > 0) { + index = buf.indexOf(index + 1, buf.writerIndex(), (byte) '#'); + if (index > 0) { + count -= 1; + } + } + + return index > 0 ? buf.readBytes(index + 1 - buf.readerIndex()) : null; + } + +} diff --git a/src/org/traccar/protocol/T57Protocol.java b/src/org/traccar/protocol/T57Protocol.java new file mode 100644 index 000000000..5149929e9 --- /dev/null +++ b/src/org/traccar/protocol/T57Protocol.java @@ -0,0 +1,46 @@ +/* + * Copyright 2017 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.bootstrap.ServerBootstrap; +import org.jboss.netty.channel.ChannelPipeline; +import org.jboss.netty.handler.codec.string.StringDecoder; +import org.jboss.netty.handler.codec.string.StringEncoder; +import org.traccar.BaseProtocol; +import org.traccar.TrackerServer; + +import java.util.List; + +public class T57Protocol extends BaseProtocol { + + public T57Protocol() { + super("t57"); + } + + @Override + public void initTrackerServers(List serverList) { + serverList.add(new TrackerServer(new ServerBootstrap(), getName()) { + @Override + protected void addSpecificHandlers(ChannelPipeline pipeline) { + pipeline.addLast("frameDecoder", new T57FrameDecoder()); + pipeline.addLast("stringEncoder", new StringEncoder()); + pipeline.addLast("stringDecoder", new StringDecoder()); + pipeline.addLast("objectDecoder", new T57ProtocolDecoder(T57Protocol.this)); + } + }); + } + +} diff --git a/src/org/traccar/protocol/T57ProtocolDecoder.java b/src/org/traccar/protocol/T57ProtocolDecoder.java new file mode 100644 index 000000000..db5f94cbb --- /dev/null +++ b/src/org/traccar/protocol/T57ProtocolDecoder.java @@ -0,0 +1,84 @@ +/* + * Copyright 2017 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.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.helper.Parser; +import org.traccar.helper.PatternBuilder; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.regex.Pattern; + +public class T57ProtocolDecoder extends BaseProtocolDecoder { + + public T57ProtocolDecoder(T57Protocol protocol) { + super(protocol); + } + + private static final Pattern PATTERN = new PatternBuilder() + .text("*T57#") + .number("Fd#") // type + .number("([^#]+)#") // device id + .number("(dd)(dd)(dd)#") // date (ddmmyy) + .number("(dd)(dd)(dd)#") // time (hhmmss) + .number("(dd)(dd.d+)#") // latitude + .expression("([NS])#") + .number("(ddd)(dd.d+)#") // longitude + .expression("([EW])#") + .expression("[^#]+#") + .number("(d+.d+)#") // speed + .number("(d+.d+)#") // altitude + .expression("([AV])") // valid + .number("d#") // fix type + .number("(d+.d+)#") // battery + .compile(); + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + Parser parser = new Parser(PATTERN, (String) msg); + if (!parser.matches()) { + return null; + } + + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next()); + if (deviceSession == null) { + return null; + } + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS)); + + position.setLatitude(parser.nextCoordinate()); + position.setLongitude(parser.nextCoordinate()); + position.setSpeed(parser.nextDouble()); + position.setAltitude(parser.nextDouble()); + + position.setValid(parser.next().equals("A")); + + position.set(Position.KEY_BATTERY, parser.nextDouble()); + + return position; + } + +} -- cgit v1.2.3