From d0874767e27a021ee898201f8f5e27192e0da64b Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Thu, 26 Jan 2023 07:55:48 -0800
Subject: Iridium without compression

---
 .../traccar/protocol/GalileoProtocolDecoder.java   | 45 ++++++++++++++++++++--
 .../protocol/GalileoProtocolDecoderTest.java       | 23 ++++++++---
 2 files changed, 59 insertions(+), 9 deletions(-)

diff --git a/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java b/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java
index d4bd45c4f..44baa94ea 100644
--- a/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/GalileoProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 - 2022 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 2023 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.
@@ -22,9 +22,11 @@ import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.NetworkMessage;
 import org.traccar.Protocol;
+import org.traccar.config.Keys;
 import org.traccar.helper.BitBuffer;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.UnitsConverter;
+import org.traccar.helper.model.AttributeUtil;
 import org.traccar.model.Position;
 import org.traccar.session.DeviceSession;
 
@@ -47,6 +49,17 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
     }
 
     private ByteBuf photo;
+    private boolean compressed;
+
+    public void setCompressed(boolean compressed) {
+        this.compressed = compressed;
+    }
+
+    public boolean getCompressed(long deviceId) {
+        Boolean value = AttributeUtil.lookup(
+                getCacheManager(), Keys.PROTOCOL_EXTENDED.withPrefix(getProtocolName()), deviceId);
+        return value != null ? value : compressed;
+    }
 
     private static final Map<Integer, Integer> TAG_LENGTH_MAP = new HashMap<>();
 
@@ -299,8 +312,34 @@ public class GalileoProtocolDecoder extends BaseProtocolDecoder {
         buf.readUnsignedInt(); // accuracy
 
         buf.readUnsignedByte(); // data tag header
-        // ByteBuf data = buf.readSlice(buf.readUnsignedShort());
-        // decodeMinimalDataSet(position, data);
+        ByteBuf data = buf.readSlice(buf.readUnsignedShort());
+        if (getCompressed(deviceSession.getDeviceId())) {
+
+            decodeMinimalDataSet(position, data);
+
+            int[] tags = new int[BitUtil.to(data.readUnsignedByte(), 8)];
+            for (int i = 0; i < tags.length; i++) {
+                tags[i] = data.readUnsignedByte();
+            }
+
+            for (int tag : tags) {
+                decodeTag(position, data, tag);
+            }
+
+        } else {
+
+            while (data.isReadable()) {
+                int tag = data.readUnsignedByte();
+                if (tag == 0x30) {
+                    position.setValid((data.readUnsignedByte() & 0xf0) == 0x00);
+                    position.setLatitude(data.readIntLE() / 1000000.0);
+                    position.setLongitude(data.readIntLE() / 1000000.0);
+                } else {
+                    decodeTag(position, data, tag);
+                }
+            }
+
+        }
 
         return position;
     }
diff --git a/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java
index df7f37903..7addc8e75 100644
--- a/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/GalileoProtocolDecoderTest.java
@@ -10,12 +10,6 @@ public class GalileoProtocolDecoderTest extends ProtocolTest {
 
         var decoder = inject(new GalileoProtocolDecoder(null));
 
-        verifyPosition(decoder, binary(
-                "01004e01001c0747ea59333030323334303639363034353930000012000063c85e6903000b0321a8f846aba50000000202001e205f5ec863300c4643fdfdbbe6c8fb330000000034e7013505d400000000"));
-
-        verifyNotNull(decoder, binary(
-                "01006501001c05cf1f8133303032333430363939303130313000004a000062d8f3ee03000b000f85402088970000000602003503333030323334303639393031303130100000207af3d862300cbe08ee00acfaf001330000760634b301350840090a416b2f42920e"));
-
         verifyPositions(decoder, binary(
                 "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"));
 
@@ -51,4 +45,21 @@ public class GalileoProtocolDecoderTest extends ProtocolTest {
 
     }
 
+    @Test
+    public void testDecodeIridium() throws Exception {
+
+        var decoder = inject(new GalileoProtocolDecoder(null));
+
+        decoder.setCompressed(false);
+
+        verifyPosition(decoder, binary(
+                "01004e01001c0747ea59333030323334303639363034353930000012000063c85e6903000b0321a8f846aba50000000202001e205f5ec863300c4643fdfdbbe6c8fb330000000034e7013505d400000000"));
+
+        /*decoder.setCompressed(true);
+
+        verifyPosition(decoder, binary(
+                "01003a01001c07553e40333030323334303639363034353930020021000063d1921c03000b0321ac2c4545b20000009f02000ac200000000db00000000"));*/
+
+    }
+
 }
-- 
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