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authorAnton Tananaev <anton@traccar.org>2022-05-12 17:51:48 -0700
committerAnton Tananaev <anton@traccar.org>2022-05-12 17:51:48 -0700
commit7a0e14eda651314d7bd076c882dd872964b16832 (patch)
treefb917fbf05c206d104924e2ade7a09a6c3a98547 /src/main/java/org/traccar/protocol
parent78a3d28440b4de89eaab79664fef512e6e869030 (diff)
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Decode Wireless Links cell data
Diffstat (limited to 'src/main/java/org/traccar/protocol')
-rw-r--r--src/main/java/org/traccar/protocol/WliProtocolDecoder.java74
1 files changed, 62 insertions, 12 deletions
diff --git a/src/main/java/org/traccar/protocol/WliProtocolDecoder.java b/src/main/java/org/traccar/protocol/WliProtocolDecoder.java
index 0e2a0a65e..976d4fb27 100644
--- a/src/main/java/org/traccar/protocol/WliProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/WliProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2020 - 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.
@@ -22,6 +22,8 @@ import org.traccar.DeviceSession;
import org.traccar.Protocol;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.UnitsConverter;
+import org.traccar.model.CellTower;
+import org.traccar.model.Network;
import org.traccar.model.Position;
import java.net.SocketAddress;
@@ -41,9 +43,9 @@ public class WliProtocolDecoder extends BaseProtocolDecoder {
ByteBuf buf = (ByteBuf) msg;
buf.readUnsignedByte(); // header
- int type = buf.readUnsignedByte();
+ int clazz = buf.readUnsignedByte();
- if (type == '1') {
+ if (clazz == '1') {
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
if (deviceSession == null) {
@@ -53,11 +55,13 @@ public class WliProtocolDecoder extends BaseProtocolDecoder {
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());
+ CellTower cellTower = new CellTower();
+
position.set(Position.KEY_INDEX, buf.readUnsignedShort());
buf.readUnsignedShort(); // length
buf.readUnsignedShort(); // checksum
- buf.readUnsignedByte(); // application message type
+ int type = buf.readUnsignedByte();
buf.readUnsignedByte(); // delimiter
while (buf.readableBytes() > 1) {
@@ -95,18 +99,56 @@ public class WliProtocolDecoder extends BaseProtocolDecoder {
String value = buf.readCharSequence(
endIndex - buf.readerIndex(), StandardCharsets.US_ASCII).toString();
- switch (fieldNumber) {
- case 246:
- String[] values = value.split(",");
- position.set(Position.KEY_POWER, Integer.parseInt(values[2]) * 0.01);
- position.set(Position.KEY_BATTERY, Integer.parseInt(values[3]) * 0.01);
+ int networkFieldsOffset;
+ switch (type) {
+ case 0xE4:
+ networkFieldsOffset = 10;
+ break;
+ case 0xCB:
+ networkFieldsOffset = 80;
break;
- case 255:
- position.setDeviceTime(new Date(Long.parseLong(value) * 1000));
+ case 0x1E:
+ networkFieldsOffset = 182;
break;
+ case 0xC9:
default:
+ networkFieldsOffset = 35;
break;
}
+ if (fieldNumber - networkFieldsOffset >= 0 && fieldNumber - networkFieldsOffset < 10) {
+ switch (fieldNumber - networkFieldsOffset) {
+ case 0:
+ cellTower.setMobileCountryCode(Integer.parseInt(value));
+ break;
+ case 1:
+ cellTower.setMobileNetworkCode(Integer.parseInt(value));
+ break;
+ case 2:
+ cellTower.setLocationAreaCode(Integer.parseInt(value));
+ break;
+ case 3:
+ cellTower.setCellId(Long.parseLong(value));
+ break;
+ case 4:
+ cellTower.setSignalStrength(Integer.parseInt(value));
+ break;
+ default:
+ break;
+ }
+ } else {
+ switch (fieldNumber) {
+ case 246:
+ String[] values = value.split(",");
+ position.set(Position.KEY_POWER, Integer.parseInt(values[2]) * 0.01);
+ position.set(Position.KEY_BATTERY, Integer.parseInt(values[3]) * 0.01);
+ break;
+ case 255:
+ position.setDeviceTime(new Date(Long.parseLong(value) * 1000));
+ break;
+ default:
+ break;
+ }
+ }
}
@@ -114,13 +156,21 @@ public class WliProtocolDecoder extends BaseProtocolDecoder {
}
+ if (type == 0xE4) {
+ getLastLocation(position, position.getDeviceTime());
+ }
+
+ if (cellTower.getCellId() != null) {
+ position.setNetwork(new Network(cellTower));
+ }
+
if (!position.getValid()) {
getLastLocation(position, position.getDeviceTime());
}
return position;
- } else if (type == '2') {
+ } else if (clazz == '2') {
String id = buf.toString(buf.readerIndex(), buf.readableBytes() - 1, StandardCharsets.US_ASCII);
getDeviceSession(channel, remoteAddress, id.substring("wli:".length()));