From 73d44ba3fee81e5a19f1055bd90366e37f0341ec Mon Sep 17 00:00:00 2001
From: AsamK <asamk@gmx.de>
Date: Wed, 2 Feb 2022 19:34:30 +0100
Subject: [PATCH] Switch to a less cpu intensive function to check if
 libsignal-client is available

---
 graalvm-config-dir/jni-config.json                           | 4 ++++
 .../java/org/asamk/signal/manager/config/ServiceConfig.java  | 5 ++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/graalvm-config-dir/jni-config.json b/graalvm-config-dir/jni-config.json
index acbf7f3f..18ba01fc 100644
--- a/graalvm-config-dir/jni-config.json
+++ b/graalvm-config-dir/jni-config.json
@@ -19,6 +19,10 @@
     {"name":"loadClass","parameterTypes":["java.lang.String"] }
   ]
 },
+{
+  "name":"java.lang.IllegalArgumentException",
+  "methods":[{"name":"<init>","parameterTypes":["java.lang.String"] }]
+},
 {
   "name":"java.lang.IllegalStateException",
   "methods":[{"name":"<init>","parameterTypes":["java.lang.String"] }]
diff --git a/lib/src/main/java/org/asamk/signal/manager/config/ServiceConfig.java b/lib/src/main/java/org/asamk/signal/manager/config/ServiceConfig.java
index 8ecaa741..78decc81 100644
--- a/lib/src/main/java/org/asamk/signal/manager/config/ServiceConfig.java
+++ b/lib/src/main/java/org/asamk/signal/manager/config/ServiceConfig.java
@@ -47,7 +47,10 @@ public class ServiceConfig {
 
     public static boolean isSignalClientAvailable() {
         try {
-            org.signal.client.internal.Native.DeviceTransfer_GeneratePrivateKey();
+            try {
+                org.signal.client.internal.Native.UuidCiphertext_CheckValidContents(new byte[0]);
+            } catch (IllegalArgumentException ignored) {
+            }
             return true;
         } catch (UnsatisfiedLinkError e) {
             logger.warn("Failed to call libsignal-client: {}", e.getMessage());
-- 
2.50.1