errors rectified

LFU.h

@@ -330,6 +330,11 @@ public:
         cout << endl;
     }
 
+    int hash(string s)
+    {
+        return (((int)s.at(0)) << 8) + ((int)s.at(1));
+    }
+
     string getKeyValuePairs(int id)
     {
         unordered_map<string, string> flush;
@@ -379,15 +384,9 @@ public:
             closedir(dirFile);
         }
 
-        Node *temp = head->next;
-        while (temp->next)
-        {
-            if (hash(temp->key) <= id)
-            {
-                flush[temp->key] = temp->payload;
-            }
-            temp = temp->next;
-        }
+        for(int i=0;i<=curr_pos;i++)
+            if(hash(cacheHeap[i]->key)<=id)
+                flush[cacheHeap[i]->key]=cacheHeap[i]->value;
 
         unordered_map<string, string>::iterator itr;
         for (itr = flush.begin(); itr != flush.end(); itr++)

dns.cpp

@@ -186,7 +186,13 @@ private:
     RequestType reqType;
 };
 
+void signalHandler(int signum) {
+    remove(SERVERS);
+    exit(0);
+}
+
 int main(int argc,char **argv) {
+    signal(SIGINT, signalHandler);
     srand(time(0));
     string server_address("0.0.0.0:1234");
     builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());