Merge pull request #122 from itsstilldre/master

Set Link State method added

Author: Emil-Gustafsson

src/main/java/com/cisco/trex/stateful/TRexAstfClient.java

@@ -26,7 +26,6 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Optional;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.StreamSupport;

src/main/java/com/cisco/trex/stateless/TRexClient.java

@@ -867,4 +867,15 @@ public EthernetPacket sendIcmpV6Echo(
     return new IPv6NeighborDiscoveryService(this)
         .sendIcmpV6Echo(portIndex, dstIp, icmpId, icmpSeq, timeOut);
   }
+
+  /** Set the link state: Up = true or Down = false of the given port. */
+  public void setLinkState(int portIndex, boolean linkUp) {
+    Map<String, Object> payload = createPayload(portIndex);
+    Map<String, Object> attributes = new HashMap<>();
+    Map<String, Object> linkValue = new HashMap<>();
+    linkValue.put("up", linkUp);
+    attributes.put("link_status", linkValue);
+    payload.put("attr", attributes);
+    callMethod("set_port_attr", payload);
+  }
 }