X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=senf%2FSocket%2FProtocols%2FINet%2FINet4Address.cci;h=0232dd94e1b3d342a7c49947f2921b26fb03dda3;hb=b2fff1b50e0010fdad28cb638987cbf88032e30e;hp=107eb3fec9373814774ac1fe8b89fa7bc9e11275;hpb=7661548b20e6c7627f54bff87e0758396fd523ef;p=senf.git

diff --git a/senf/Socket/Protocols/INet/INet4Address.cci b/senf/Socket/Protocols/INet/INet4Address.cci
index 107eb3f..0232dd9 100644
--- a/senf/Socket/Protocols/INet/INet4Address.cci
+++ b/senf/Socket/Protocols/INet/INet4Address.cci
@@ -2,28 +2,34 @@
 //
 // Copyright (C) 2007
 // Fraunhofer Institute for Open Communication Systems (FOKUS)
-// Competence Center NETwork research (NET), St. Augustin, GERMANY
-//     Stefan Bund <g0dil@berlios.de>
 //
-// This program is free software; you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
+// The contents of this file are subject to the Fraunhofer FOKUS Public License
+// Version 1.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at 
+// http://senf.berlios.de/license.html
 //
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
+// The Fraunhofer FOKUS Public License Version 1.0 is based on, 
+// but modifies the Mozilla Public License Version 1.1.
+// See the full license text for the amendments.
 //
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the
-// Free Software Foundation, Inc.,
-// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+// Software distributed under the License is distributed on an "AS IS" basis, 
+// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
+// for the specific language governing rights and limitations under the License.
+//
+// The Original Code is Fraunhofer FOKUS code.
+//
+// The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V. 
+// (registered association), Hansastraße 27 c, 80686 Munich, Germany.
+// All Rights Reserved.
+//
+// Contributor(s):
+//   Stefan Bund <g0dil@berlios.de>
 
 /** \file
     \brief INet4Address inline non-template implementation */
 
 // Custom includes
+#include <senf/Socket/Protocols/AddressExceptions.hh>
 
 #define prefix_ inline
 //-/////////////////////////////////////////////////////////////////////////////////////////////////
@@ -81,22 +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
 
@@ -105,7 +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()
@@ -114,6 +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
 {
@@ -149,6 +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)