X-Git-Url: http://g0dil.de/git?p=senf.git;a=blobdiff_plain;f=senf%2FSocket%2FProtocols%2FINet%2FINet4Address.cci;fp=senf%2FSocket%2FProtocols%2FINet%2FINet4Address.cci;h=0232dd94e1b3d342a7c49947f2921b26fb03dda3;hp=40024ca1c8ba3e5c33bd53bc5a98c88abfbc24b6;hb=b2fff1b50e0010fdad28cb638987cbf88032e30e;hpb=c305d6b970e5952fe006270c7184b8bbb10ba2ee

diff --git a/senf/Socket/Protocols/INet/INet4Address.cci b/senf/Socket/Protocols/INet/INet4Address.cci
index 40024ca..0232dd9 100644
--- a/senf/Socket/Protocols/INet/INet4Address.cci
+++ b/senf/Socket/Protocols/INet/INet4Address.cci
@@ -29,6 +29,7 @@
     \brief INet4Address inline non-template implementation */
 
 // Custom includes
+#include <senf/Socket/Protocols/AddressExceptions.hh>
 
 #define prefix_ inline
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
@@ -86,22 +87,6 @@ prefix_ bool senf::INet4Address::boolean_test()
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 // senf::INet4Network
 
-prefix_ unsigned senf::INet4Network::prefix_len()
-    const
-{
-    return prefix_len_;
-}
-
-//-/////////////////////////////////////////////////////////////////////////////////////////////////
-// private members
-
-prefix_ boost::uint32_t senf::INet4Network::mask()
-    const
-{
-    // This is correct as long as the system is using 2-complement arithmetic ...
-    return (~((boost::uint32_t(1u)<<(32u-prefix_len()))-1u)) & 0xFFFFFFFFu;
-}
-
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
 // public members
 
@@ -110,7 +95,8 @@ prefix_ senf::INet4Network::INet4Network()
 {}
 
 prefix_ senf::INet4Network::INet4Network(INet4Address const & address, unsigned prefix_len)
-    : prefix_len_(prefix_len), address_(INet4Address(address.address() & mask()))
+    : prefix_len_( prefix_len_checked(prefix_len)),
+      address_(INet4Address(address.address() & mask()))
 {}
 
 prefix_ senf::INet4Address const & senf::INet4Network::address()
@@ -119,6 +105,12 @@ prefix_ senf::INet4Address const & senf::INet4Network::address()
     return address_;
 }
 
+prefix_ unsigned senf::INet4Network::prefix_len()
+    const
+{
+    return prefix_len_;
+}
+
 prefix_ bool senf::INet4Network::boolean_test()
     const
 {
@@ -154,6 +146,25 @@ prefix_ senf::INet4Network senf::INet4Network::subnet(boost::uint32_t net, unsig
 }
 
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
+// private members
+
+prefix_ unsigned senf::INet4Network::prefix_len_checked(unsigned prefix_len)
+    const
+{
+    if (prefix_len > 32)
+        throw AddressSyntaxException("invalid INet4 prefix length: " +
+                boost::lexical_cast<std::string>(prefix_len));
+    return prefix_len;
+}
+
+prefix_ boost::uint32_t senf::INet4Network::mask()
+    const
+{
+    // This is correct as long as the system is using 2-complement arithmetic ...
+    return (~((boost::uint32_t(1u)<<(32u-prefix_len()))-1u)) & 0xFFFFFFFFu;
+}
+
+//-/////////////////////////////////////////////////////////////////////////////////////////////////
 // namespace members
 
 prefix_ std::ostream & senf::operator<<(std::ostream & os, INet4Network const & addr)