1 files changed, 29 insertions, 3 deletions

diff --git a/src/main/java/derms/replica1/Replica1.java b/src/main/java/derms/replica1/Replica1.java
index a59ed4c..c9e080d 100644
--- a/src/main/java/derms/replica1/Replica1.java
+++ b/src/main/java/derms/replica1/Replica1.java
@@ -5,6 +5,7 @@ import derms.ReplicaManager;
 import derms.Request;
 import derms.Response;
 import derms.replica2.DermsLogger;
+import derms.util.TestLogger;
 import derms.util.ThreadPool;
 
 import java.io.IOException;
@@ -26,6 +27,7 @@ public class Replica1 implements Replica {
     private final String coordinatorClientID = "MTLC1111";
     private final ReplicaManager replicaManager;
     private DERMSServer server;
+    private boolean byzFailure;
 
     public Replica1(ReplicaManager replicaManager) {
         this.replicaManager = replicaManager;
@@ -50,7 +52,21 @@ public class Replica1 implements Replica {
     }
 
     @Override
-    public void startProcess() {
+    public void startProcess(int byzantine, int crash) {
+         // [TEST] Detect crash
+         if (crash == 1) {
+            alive = false;
+        } else {
+            alive = true;
+        }
+
+        // [TEST] Detect byzantine failure
+        if (byzantine == 1) {
+            byzFailure = true;
+        } else {
+            byzFailure = false;
+        }
+
         try {
             server = new DERMSServer("MTL");
         } catch (InterruptedException e) {
@@ -66,13 +82,20 @@ public class Replica1 implements Replica {
         } catch (InterruptedException e) {
             throw new RuntimeException(e);
         }
-        alive = true;
+
         log.info(getClass().getSimpleName() + " started.");
         log.config("Local address is "+localAddr.toString());
     }
 
     @Override
     public void processRequest(Request request) {
+        // [TEST] Simulate byzantine failure (return incorrect value)
+        if (byzFailure == true) {
+            Response response = new Response(request, replicaManager.getReplicaId(), "BYZANTINE FAILURE", false);
+            replicaManager.sendResponseToFE(response);
+            return;
+        }
+
         log.info(request.toString());
 
         String status = "";
@@ -121,7 +144,10 @@ public class Replica1 implements Replica {
         ThreadPool.shutdown(pool, log);
         alive = false;
         log.info("Finished shutting down.");
-        startProcess();
+
+        // [TEST] Restart process without byzantine failure or crash
+        TestLogger.log("REPLICA 1: {RESTARTED}");
+        startProcess(0, 0);
     }
 
     @Override