Added makeAnswer() method to QDnsPacket

src/modules/dns-base/includes/dns-base/QDnsPacket.h

@@ -31,6 +31,8 @@ namespace QDns
 
             bool isValid() const;
 
+            QDnsPacket makeAnswer() const;
+
             const QDnsHeader &getHeader() const;
 
             void setHeader(const QDnsHeader &header);

src/modules/dns-base/src/QDnsPacket.cpp

@@ -108,6 +108,20 @@ namespace QDns
             return m_isValid;
         }
 
+        QDnsPacket QDnsPacket::makeAnswer() const
+        {
+            auto packet = *this;
+            auto header = packet.getHeader();
+            header.setIsQuery(false);
+            header.setIsRecursionAvailable(false);
+            header.setIsAnswerAuthenticated(false);
+            packet.setHeader(header);
+            packet.m_answerRecords.clear();
+            packet.m_authorityRecords.clear();
+            packet.m_additionalRecords.clear();
+            return packet;
+        }
+
         const QDnsHeader &QDnsPacket::getHeader() const
         {
             return m_header;