From e4e4bad2d525b9a575fd8332441b7463267ee7c1 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Mon, 15 Feb 2016 09:17:57 +1100 Subject: Implement Astra communication protocol --- src/org/traccar/protocol/AstraProtocolDecoder.java | 119 +++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 src/org/traccar/protocol/AstraProtocolDecoder.java (limited to 'src/org/traccar/protocol/AstraProtocolDecoder.java') diff --git a/src/org/traccar/protocol/AstraProtocolDecoder.java b/src/org/traccar/protocol/AstraProtocolDecoder.java new file mode 100644 index 000000000..e57533eaf --- /dev/null +++ b/src/org/traccar/protocol/AstraProtocolDecoder.java @@ -0,0 +1,119 @@ +/* + * Copyright 2016 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.buffer.ChannelBuffers; +import org.jboss.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.helper.BitUtil; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Event; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.Charset; +import java.util.LinkedList; +import java.util.List; + +public class AstraProtocolDecoder extends BaseProtocolDecoder { + + public AstraProtocolDecoder(AstraProtocol protocol) { + super(protocol); + } + + public static final int MSG_HEARTBEAT = 0x1A; + public static final int MSG_DATA = 0x10; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ChannelBuffer buf = (ChannelBuffer) msg; + + buf.readUnsignedByte(); // protocol + buf.readUnsignedShort(); // length + + String imei = String.format("%08d", buf.readUnsignedInt()) + String.format("%07d", buf.readUnsignedMedium()); + if (!identify(imei, channel, remoteAddress)) { + return null; + } + + List positions = new LinkedList<>(); + + while (buf.readableBytes() > 2) { + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(getDeviceId()); + + buf.readUnsignedByte(); // index + + position.setLatitude(buf.readInt() * 0.000001); + position.setLongitude(buf.readInt() * 0.000001); + + DateBuilder dateBuilder = new DateBuilder() + .setDate(1980, 1, 6).addMillis(buf.readUnsignedInt() * 1000L); + position.setTime(dateBuilder.getDate()); + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte() * 2)); + position.setCourse(buf.readUnsignedByte() * 2); + + int reason = buf.readUnsignedMedium(); + int status = buf.readUnsignedShort(); + + position.set(Event.PREFIX_IO + 1, buf.readUnsignedByte()); + position.set(Event.PREFIX_ADC + 1, buf.readUnsignedByte()); + position.set(Event.KEY_BATTERY, buf.readUnsignedByte()); + position.set(Event.KEY_POWER, buf.readUnsignedByte()); + + buf.readUnsignedByte(); // max journey speed + buf.skipBytes(6); // accelerometer + buf.readUnsignedShort(); // journey distance + buf.readUnsignedShort(); // journey idle time + + position.setAltitude(buf.readUnsignedByte() * 20); + + int quality = buf.readUnsignedByte(); + position.set(Event.KEY_SATELLITES, quality & 0xf); + position.set(Event.KEY_GSM, quality >> 4); + + buf.readUnsignedByte(); // geofence events + + if (BitUtil.check(reason, 6) || BitUtil.check(reason, 7)) { + + position.set(Event.KEY_RFID, buf.readBytes(7).toString(Charset.defaultCharset())); + position.set(Event.KEY_ODOMETER, buf.readUnsignedMedium()); + + buf.readUnsignedShort(); // engine time + + } + + if (BitUtil.check(status, 6)) { + + // extra data + + } + + positions.add(position); + + } + + return positions; + } + +} -- cgit v1.2.3 From 2ce5a32a8cbcbb7d2e22f2912fa47f03b2d6b2fd Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Wed, 17 Feb 2016 08:39:29 +1100 Subject: Implement Astra protocol ack messages --- src/org/traccar/protocol/AstraProtocolDecoder.java | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/org/traccar/protocol/AstraProtocolDecoder.java') diff --git a/src/org/traccar/protocol/AstraProtocolDecoder.java b/src/org/traccar/protocol/AstraProtocolDecoder.java index e57533eaf..03053ca2d 100644 --- a/src/org/traccar/protocol/AstraProtocolDecoder.java +++ b/src/org/traccar/protocol/AstraProtocolDecoder.java @@ -45,6 +45,10 @@ public class AstraProtocolDecoder extends BaseProtocolDecoder { ChannelBuffer buf = (ChannelBuffer) msg; + if (channel != null) { + channel.write(ChannelBuffers.wrappedBuffer(new byte[] {0x06}), remoteAddress); + } + buf.readUnsignedByte(); // protocol buf.readUnsignedShort(); // length -- cgit v1.2.3 From b178acdc21483cc7bd9588453a4d8afc476ca294 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Fri, 19 Feb 2016 11:16:42 +1300 Subject: Fix check style and pmd issues --- src/org/traccar/protocol/AstraProtocolDecoder.java | 8 ++--- .../traccar/protocol/CastelProtocolDecoder.java | 40 +++++++++++++--------- src/org/traccar/protocol/KenjiProtocolDecoder.java | 2 +- src/org/traccar/protocol/TrvProtocolDecoder.java | 2 +- 4 files changed, 27 insertions(+), 25 deletions(-) (limited to 'src/org/traccar/protocol/AstraProtocolDecoder.java') diff --git a/src/org/traccar/protocol/AstraProtocolDecoder.java b/src/org/traccar/protocol/AstraProtocolDecoder.java index 03053ca2d..8cfec95fe 100644 --- a/src/org/traccar/protocol/AstraProtocolDecoder.java +++ b/src/org/traccar/protocol/AstraProtocolDecoder.java @@ -78,7 +78,7 @@ public class AstraProtocolDecoder extends BaseProtocolDecoder { position.setCourse(buf.readUnsignedByte() * 2); int reason = buf.readUnsignedMedium(); - int status = buf.readUnsignedShort(); + buf.readUnsignedShort(); // status position.set(Event.PREFIX_IO + 1, buf.readUnsignedByte()); position.set(Event.PREFIX_ADC + 1, buf.readUnsignedByte()); @@ -107,11 +107,7 @@ public class AstraProtocolDecoder extends BaseProtocolDecoder { } - if (BitUtil.check(status, 6)) { - - // extra data - - } + // extra data positions.add(position); diff --git a/src/org/traccar/protocol/CastelProtocolDecoder.java b/src/org/traccar/protocol/CastelProtocolDecoder.java index 3179cbd78..9f332dd04 100644 --- a/src/org/traccar/protocol/CastelProtocolDecoder.java +++ b/src/org/traccar/protocol/CastelProtocolDecoder.java @@ -109,6 +109,28 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder { } } + private void sendResponse( + Channel channel, SocketAddress remoteAddress, ChannelBuffer id, short type) { + + if (channel != null) { + int length = 2 + 2 + id.readableBytes() + 2 + 4 + 8 + 2 + 2; + + ChannelBuffer response = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, length); + response.writeByte('@'); response.writeByte('@'); + response.writeShort(length); + response.writeBytes(id); + response.writeShort(ChannelBuffers.swapShort(type)); + response.writeInt(0); + for (int i = 0; i < 8; i++) { + response.writeByte(0xff); + } + response.writeShort( + Checksum.crc16(Checksum.CRC16_X25, response.toByteBuffer(0, response.writerIndex()))); + response.writeByte(0x0D); response.writeByte(0x0A); + channel.write(response, remoteAddress); + } + } + @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { @@ -134,23 +156,7 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder { if (type == 0x2001) { - if (channel != null) { - int length = 2 + 2 + id.readableBytes() + 2 + 4 + 8 + 2 + 2; - - ChannelBuffer response = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, length); - response.writeByte('@'); response.writeByte('@'); - response.writeShort(length); - response.writeBytes(id); - response.writeShort(ChannelBuffers.swapShort((short) 0x1001)); - response.writeInt(0); - for (int i = 0; i < 8; i++) { - response.writeByte(0xff); - } - response.writeShort( - Checksum.crc16(Checksum.CRC16_X25, response.toByteBuffer(0, response.writerIndex()))); - response.writeByte(0x0D); response.writeByte(0x0A); - channel.write(response, remoteAddress); - } + sendResponse(channel, remoteAddress, id, (short) 0x1001); buf.readUnsignedInt(); // index buf.readUnsignedInt(); // unix time diff --git a/src/org/traccar/protocol/KenjiProtocolDecoder.java b/src/org/traccar/protocol/KenjiProtocolDecoder.java index e1f8130fa..e190af948 100755 --- a/src/org/traccar/protocol/KenjiProtocolDecoder.java +++ b/src/org/traccar/protocol/KenjiProtocolDecoder.java @@ -47,7 +47,7 @@ public class KenjiProtocolDecoder extends BaseProtocolDecoder { .number("G(d+)") // satellites .any() .compile(); - + @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { diff --git a/src/org/traccar/protocol/TrvProtocolDecoder.java b/src/org/traccar/protocol/TrvProtocolDecoder.java index 94796fa5e..8075515c2 100644 --- a/src/org/traccar/protocol/TrvProtocolDecoder.java +++ b/src/org/traccar/protocol/TrvProtocolDecoder.java @@ -105,7 +105,7 @@ public class TrvProtocolDecoder extends BaseProtocolDecoder { position.set(Event.KEY_GSM, parser.nextInt()); position.set(Event.KEY_SATELLITES, parser.nextInt()); - position.set(Event.KEY_BATTERY , parser.nextInt()); + position.set(Event.KEY_BATTERY, parser.nextInt()); position.set(Event.KEY_IGNITION, parser.nextInt() != 0); position.set("arm", parser.nextInt()); -- cgit v1.2.3