Improve numbers in log

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/contact/FriendImpl.kt

@@ -30,6 +30,7 @@ import net.mamoe.mirai.message.data.OfflineFriendImage
 import net.mamoe.mirai.message.data.isContentNotEmpty
 import net.mamoe.mirai.qqandroid.QQAndroidBot
 import net.mamoe.mirai.qqandroid.network.highway.postImage
+import net.mamoe.mirai.qqandroid.network.highway.sizeToString
 import net.mamoe.mirai.qqandroid.network.protocol.data.proto.Cmd0x352
 import net.mamoe.mirai.qqandroid.network.protocol.packet.chat.image.LongConn
 import net.mamoe.mirai.qqandroid.utils.MiraiPlatformUtils
@@ -109,7 +110,7 @@ internal class FriendImpl(
                 }
                 is LongConn.OffPicUp.Response.RequireUpload -> {
                     bot.network.logger.verbose {
-                        "[Http] Uploading friend image, size=${image.inputSize / 1024} KiB"
+                        "[Http] Uploading friend image, size=${image.inputSize.sizeToString()}"
                     }
 
                     val time = measureTime {

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/highway/HighwayHelper.kt

@@ -128,7 +128,7 @@ internal object HighwayHelper {
         }
     ) { ip, port ->
         bot.network.logger.verbose {
-            "[Highway] Uploading $kind to ${ip}:$port, size=${inputSize / 1024} KiB"
+            "[Highway] Uploading $kind to ${ip}:$port, size=${inputSize.sizeToString()}"
         }
 
         val time = measureTime {
@@ -223,4 +223,10 @@ internal suspend inline fun List<Pair<Int, Int>>.retryWithServers(
     }
 
     onFail(exception)
+}
+
+internal fun Long.sizeToString(): String {
+    return if (this < 1024) {
+        "$this B"
+    } else ((this * 100.0 / 1024).roundToInt() / 100.0).toString() + " KiB"
 }
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