Lazlar hostname hack. Java getAsHexStr() helper func.

2 files changed, 41 insertions, 1 deletions

diff --git a/src/main/java/ch/hiddenalpha/unspecifiedgarbage/format/FormatUtils.java b/src/main/java/ch/hiddenalpha/unspecifiedgarbage/format/FormatUtils.java
index e156eb8..56adf1c 100644
--- a/src/main/java/ch/hiddenalpha/unspecifiedgarbage/format/FormatUtils.java
+++ b/src/main/java/ch/hiddenalpha/unspecifiedgarbage/format/FormatUtils.java
@@ -3,4 +3,17 @@ package ch.hiddenalpha.unspecifiedgarbage.format;
 
 /** Obsolete: This class did migrate to "xtra4j" */
 @Deprecated
-public class FormatUtils {}
+public class FormatUtils {
+
+    /* TODO should we move this to xtra4j? */
+    public static String getAsHexStr( byte[] src, int srcOff, int len ){
+        byte[] tmp = new byte[len * 2];
+        for( int i = 0 ; i < len ; ++i ){
+            int lo = src[srcOff + i] & 0x0F, hi = (src[srcOff + i] >>> 4) & 0x0F;
+            tmp[2 * i] = (byte)( (hi <= 9) ? hi + '0' : hi + 'A' - 10 );
+            tmp[2 * i + 1] = (byte)( (lo <= 9) ? lo + '0' : lo + 'A' - 10 );
+        }
+        return new String(tmp, US_ASCII);
+    }
+
+}
diff --git a/src/main/patch/lazlar/default.patch b/src/main/patch/lazlar/default.patch
index 181baa1..e10a3e0 100644
--- a/src/main/patch/lazlar/default.patch
+++ b/src/main/patch/lazlar/default.patch
@@ -35,3 +35,30 @@
          <dependency>
 
 
+  This is needed if I wanna run mDNS tests in my virtual machine. So the
+  registered service route is of any use for my eddie which runs outside the VM
+  and so has no chance to see lazlar via its IP inside the VM.
+
+--- a/lazlar-web/src/test/java/ch/post/it/paisa/lazlar/web/LazlarStarter.java
++++ b/lazlar-web/src/test/java/ch/post/it/paisa/lazlar/web/LazlarStarter.java
+@@ -7,6 +7,18 @@
+     boolean a = false;
+     assert a = true;
+     if (!a) throw new RuntimeException("https://stackoverflow.com/a/68893479/4415884");
+-    ServiceStarter.create().start();
++    String chPostItHost = System.getProperty("ch.post.it.host");
++    String paisaServiceHost = System.getProperty("paisa.service.host");
++    new Thread(() -> {
++      for(int i = 0 ; i < 5000 ; ++i ){
++        System.setProperty("ch.post.it.host", chPostItHost);
++        System.setProperty("paisa.service.host", paisaServiceHost);
++        try{
++          Thread.sleep(1);
++        }catch(InterruptedException ex){ throw new UnsupportedOperationException/*TODO*/("not impl yet",ex);}
++      }
++    }).start();
++    Thread.yield();
++    ServiceStarter.create().withName("lazlar").withPort(7042).start();
+   }
+ }
+