[master] Finished trac4027 aka Pkt4o6 merge

src/lib/dhcp/Makefile.am

@@ -15,7 +15,7 @@ CLEANFILES = *.gcno *.gcda
 lib_LTLIBRARIES = libkea-dhcp++.la
 libkea_dhcp___la_SOURCES  =
 libkea_dhcp___la_SOURCES += classify.cc classify.h
-libkea_dhcp___la_SOURCES += dhcp6.h dhcp4.h dhcp4o6.h
+libkea_dhcp___la_SOURCES += dhcp6.h dhcp4.h
 libkea_dhcp___la_SOURCES += duid.cc duid.h
 libkea_dhcp___la_SOURCES += hwaddr.cc hwaddr.h
 libkea_dhcp___la_SOURCES += iface_mgr.cc iface_mgr.h

src/lib/dhcp/pkt.cc

@@ -50,10 +50,10 @@ Pkt::Pkt(const uint8_t* buf, uint32_t len, const isc::asiolink::IOAddress& local
 {
 
     if (len != 0) {
-	if (buf == NULL) {
-	    isc_throw(InvalidParameter, "data buffer passed to Pkt is NULL");
-	}
-	data_.resize(len);
+        if (buf == NULL) {
+            isc_throw(InvalidParameter, "data buffer passed to Pkt is NULL");
+        }
+        data_.resize(len);
         memcpy(&data_[0], buf, len);
     }
 }

src/lib/dhcp/pkt4.h

@@ -375,6 +375,14 @@ public:
     /// (true) or non-relayed (false).
     bool isRelayed() const;
 
+    /// @brief Checks if a DHCPv4 message has beeb transported over DHCPv6
+    ///
+    /// @return Boolean value which indicates whether the message is
+    /// transported over DHCPv6 (true) or native DHCPv4 (false)
+    virtual bool isDhcp4o6() const {
+        return (false);
+    }
+
 private:
 
     /// @brief Generic method that validates and sets HW address.

src/lib/dhcp/pkt6.h

@@ -244,7 +244,7 @@ public:
     /// @param option_code code of the requested option
     /// @param nesting_level see description above
     ///
-     /// @return pointer to the option (or NULL if there is no such option)
+    /// @return pointer to the option (or NULL if there is no such option)
     OptionPtr getRelayOption(uint16_t option_code, uint8_t nesting_level);
 
     /// @brief Return first instance of a specified option