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authorAnton Tananaev <anton.tananaev@gmail.com>2022-01-30 11:50:17 -0800
committerAnton Tananaev <anton.tananaev@gmail.com>2022-01-30 11:50:17 -0800
commit17a9b88676b1cef214f1944e39151c7df8f4e3b0 (patch)
tree02db2ef2973282d6639c320ba4397ac9924e8f99 /src/main/java
parentff51e1ecafe3b26929baa21a20583c1e8ac82271 (diff)
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Add crash reconstruction report
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java97
1 files changed, 95 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java b/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
index 2d00ea81e..9d832c84e 100644
--- a/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/SuntechProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2013 - 2021 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 2022 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.
@@ -17,6 +17,7 @@ package org.traccar.protocol;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufUtil;
+import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.Context;
@@ -34,6 +35,11 @@ import java.nio.charset.StandardCharsets;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
import java.util.TimeZone;
public class SuntechProtocolDecoder extends BaseProtocolDecoder {
@@ -46,6 +52,8 @@ public class SuntechProtocolDecoder extends BaseProtocolDecoder {
private boolean includeRpm;
private boolean includeTemp;
+ private ByteBuf crash;
+
public SuntechProtocolDecoder(Protocol protocol) {
super(protocol);
}
@@ -732,6 +740,89 @@ public class SuntechProtocolDecoder extends BaseProtocolDecoder {
return position;
}
+ private Collection<Position> decodeCrashReport(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
+
+ if (buf.getByte(buf.readerIndex() + 3) != ';') {
+ return null;
+ }
+
+ String[] values = buf.readCharSequence(23, StandardCharsets.US_ASCII).toString().split(";");
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, values[1]);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ int currentIndex = Integer.parseInt(values[2]);
+ int totalIndex = Integer.parseInt(values[3]);
+
+ if (crash == null) {
+ crash = Unpooled.buffer();
+ }
+
+ crash.writeBytes(buf.readSlice(buf.readableBytes() - 3));
+
+ if (currentIndex == totalIndex) {
+
+ LinkedList<Position> positions = new LinkedList<>();
+
+ Date crashTime = new DateBuilder()
+ .setDate(crash.readUnsignedByte(), crash.readUnsignedByte(), crash.readUnsignedByte())
+ .setTime(crash.readUnsignedByte(), crash.readUnsignedByte(), crash.readUnsignedByte())
+ .getDate();
+
+ List<Date> times = Arrays.asList(
+ new Date(crashTime.getTime() - 3000),
+ new Date(crashTime.getTime() - 2000),
+ new Date(crashTime.getTime() - 1000),
+ new Date(crashTime.getTime() + 1000));
+
+ for (Date time : times) {
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setValid(true);
+ position.setTime(time);
+ position.setLatitude(crash.readIntLE() * 0.0000001);
+ position.setLongitude(crash.readIntLE() * 0.0000001);
+ position.setSpeed(UnitsConverter.knotsFromKph(crash.readUnsignedShort() * 0.01));
+ position.setCourse(crash.readUnsignedShort() * 0.01);
+
+ StringBuilder value = new StringBuilder("[");
+ for (int i = 0; i < 100; i++){
+ if (value.length() > 1) {
+ value.append(",");
+ }
+ value.append("[");
+ value.append(crash.readShortLE());
+ value.append(",");
+ value.append(crash.readShortLE());
+ value.append(",");
+ value.append(crash.readShortLE());
+ value.append("]");
+ }
+ value.append("]");
+
+ position.set(Position.KEY_G_SENSOR, value.toString());
+
+ positions.add(position);
+
+ }
+
+ crash.release();
+ crash = null;
+
+ return positions;
+
+ } else {
+
+ return null;
+
+ }
+
+ }
+
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -747,7 +838,9 @@ public class SuntechProtocolDecoder extends BaseProtocolDecoder {
String[] values = buf.toString(StandardCharsets.US_ASCII).split(";");
prefix = values[0];
- if (prefix.length() < 5) {
+ if (prefix.equals("CRR")) {
+ return decodeCrashReport(channel, remoteAddress, buf);
+ } else if (prefix.length() < 5) {
return decodeUniversal(channel, remoteAddress, values);
} else if (prefix.endsWith("HTE")) {
return decodeTravelReport(channel, remoteAddress, values);