(svn r15946) -Codechange: move netmask matching to NetworkAddress and add some support for IPv6 netmask matching.

src/network/core/address.h

@@ -158,6 +158,14 @@ public:
 		return this->address_length != 0;
 	}
 
+	/**
+	 * Checks whether this IP address is contained by the given netmask.
+	 * @param netmask the netmask in CIDR notation to test against.
+	 * @note netmask without /n assumes all bits need to match.
+	 * @return true if this IP is within the netmask.
+	 */
+	bool IsInNetmask(char *netmask);
+
 	/**
 	 * Compare the address of this class with the address of another.
 	 * @param address the other address.