Wait delay after reachable test of system

1 files changed, 7 insertions, 2 deletions

diff --git a/src/main/java/com/it_jaros/jscanner/Scanner.java b/src/main/java/com/it_jaros/jscanner/Scanner.java
index 01185bb..8410152 100644
--- a/src/main/java/com/it_jaros/jscanner/Scanner.java
+++ b/src/main/java/com/it_jaros/jscanner/Scanner.java
@@ -223,8 +223,13 @@ public class Scanner implements AutoCloseable {
 
         private ScanResult scanHostPorts() {
             if (!disableOnlineCheck && !checkHostOnline()) {
-                // Unreachable host
-                return ScanResult.empty(host);
+                if (!checkHostOnline()) {
+                    // Unreachable host
+                    return ScanResult.empty(host);
+                }
+                // online check also sends packets to the target system.
+                // so we need to also wait here if there is a delay defined
+                LockSupport.parkNanos(delayInNanos);
             }
 
             final PortRange portRange = new PortRange(scan.getPorts());