Add the type and class as members of the DNS class for an eventual future use.

Author: Laurent Louf

libraries/DNSServer/src/DNSServer.cpp

@@ -60,6 +60,8 @@ void DNSServer::processNextRequest()
     if (_buffer == NULL) return;
     _udp.read(_buffer, _currentPacketSize);
     _dnsHeader = (DNSHeader*) _buffer;
+    _type       = (uint16_t) ( (_buffer[_currentPacketSize - 4] << 8) + _buffer[_currentPacketSize - 3] ) ; 
+    _class      = (uint16_t) ( (_buffer[_currentPacketSize - 2] << 8) + _buffer[_currentPacketSize - 1] ) ; 
 
     if (_dnsHeader->QR == DNS_QR_QUERY &&
         _dnsHeader->OPCode == DNS_OPCODE_QUERY &&

libraries/DNSServer/src/DNSServer.h

@@ -87,6 +87,8 @@ class DNSServer
     DNSHeader* _dnsHeader;
     uint32_t _ttl;
     DNSReplyCode _errorReplyCode;
+    uint16_t _type ; 
+    uint16_t _class ; 
 
     void downcaseAndRemoveWwwPrefix(String &domainName);
     String getDomainNameWithoutWwwPrefix();