From c9d9a30375e9e4291b41580cb25719b9f5b9e23b Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Thu, 13 Jun 2024 08:29:01 -0700
Subject: Report storage by mount point

---
 src/main/java/org/traccar/helper/Log.java | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/src/main/java/org/traccar/helper/Log.java b/src/main/java/org/traccar/helper/Log.java
index 9aaf1cfd3..37df6a537 100644
--- a/src/main/java/org/traccar/helper/Log.java
+++ b/src/main/java/org/traccar/helper/Log.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 - 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2024 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.helper;
 
 import org.traccar.config.Config;
 import org.traccar.config.Keys;
+import org.traccar.model.Pair;
 
 import java.io.BufferedWriter;
 import java.io.File;
@@ -30,9 +31,9 @@ import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.FileStore;
 import java.nio.file.FileSystems;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.Date;
 import java.util.logging.ConsoleHandler;
 import java.util.logging.Formatter;
@@ -40,6 +41,7 @@ import java.util.logging.Handler;
 import java.util.logging.Level;
 import java.util.logging.LogRecord;
 import java.util.logging.Logger;
+import java.util.stream.Stream;
 
 public final class Log {
 
@@ -278,17 +280,22 @@ public final class Log {
     }
 
     public static long[] getStorageSpace() {
-        long usable = 0;
-        long total = 0;
-        for (Path root : FileSystems.getDefault().getRootDirectories()) {
+        var stores = new ArrayList<Pair<Long, Long>>();
+        for (FileStore store : FileSystems.getDefault().getFileStores()) {
             try {
-                FileStore store = Files.getFileStore(root);
-                usable += store.getUsableSpace();
-                total += store.getTotalSpace();
+                long totalSpace = store.getTotalSpace();
+                long usableSpace = store.getUsableSpace();
+                if (totalSpace > 1_000_000_000) {
+                    stores.add(new Pair<>(usableSpace, totalSpace));
+                }
             } catch (IOException ignored) {
             }
         }
-        return new long[]{usable, total};
+        return stores.stream()
+                .sorted(Comparator.comparingDouble(o -> 1 - o.getFirst() / (double) o.getSecond()))
+                .flatMap(p -> Stream.of(p.getFirst(), p.getSecond()))
+                .mapToLong(Long::longValue)
+                .toArray();
     }
 
 }
-- 
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