Socket/Protocols/INet: Allow socket address string representation to omit the address...

[senf.git] / Socket / Protocols / INet / INetAddressing.cc

diff --git a/Socket/Protocols/INet/INetAddressing.cc b/Socket/Protocols/INet/INetAddressing.cc
index d4f1149..6bc79e5 100644 (file)
--- a/Socket/Protocols/INet/INetAddressing.cc
+++ b/Socket/Protocols/INet/INetAddressing.cc
@@ -1,8 +1,8 @@
 // $Id$
 //
 // Copyright (C) 2006
-// Fraunhofer Institute for Open Communication Systems (FOKUS) 
-// Competence Center NETwork research (NET), St. Augustin, GERMANY 
+// 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
@@ -46,21 +46,16 @@
 prefix_ senf::INet4SocketAddress::INet4SocketAddress(std::string const & addr)
 {
     clear();
-    unsigned i = addr.find(':');
-    if (i == std::string::npos)
-        throw SyntaxException();
+    unsigned portIx = addr.find(':');
     try {
-        port(boost::lexical_cast< ::u_int16_t >(std::string(addr,i+1)));
+        port( boost::lexical_cast< ::u_int16_t >(portIx == std::string::npos 
+                                                 ? addr : std::string(addr,portIx+1)) );
     }
     catch (boost::bad_lexical_cast const &) {
-        throw SyntaxException();
-    }
-    try {
-        address(INet4Address::from_string(std::string(addr,0,i)));
-    }
-    catch (INet4Address::SyntaxException const &) {
-        throw SyntaxException();
+        throw AddressSyntaxException() << "invalid port number";
     }
+    if (portIx != std::string::npos)
+        address( INet4Address::from_string(std::string(addr,0,portIx)) );
 }
 
 prefix_ senf::INet4SocketAddress::INet4SocketAddress(INet4Address const & addr, unsigned p)
@@ -86,8 +81,9 @@ prefix_ senf::INet6SocketAddress::INet6SocketAddress(std::string const & addr,
 
     // Format of addr: "[" address [ "%" interface ] "]" ":" port
     //             or: host ":" port
+    //             or: port
 
-    static boost::regex const addressRx ("(?:\\[([a-f0-9A-F:]+)(?:%(.+))?\\]|(.+)):([0-9]+)");
+    static boost::regex const addressRx ("(?:(?:\\[([a-f0-9A-F:]+)(?:%(.+))?\\]|(.+)):)?([0-9]+)");
     // Subexpression numbers:
     enum { NumericAddr = 1,
            ZoneId      = 2,
@@ -96,20 +92,18 @@ prefix_ senf::INet6SocketAddress::INet6SocketAddress(std::string const & addr,
     
     boost::smatch match;
     if (! regex_match(addr, match, addressRx))
-        throw SyntaxException();
+        throw AddressSyntaxException();
 
     if (match[ZoneId].matched)
         assignIface(match[ZoneId]);
 
     sockaddr_.sin6_port = htons(boost::lexical_cast<boost::uint16_t>(match[Port]));
 
-    try {
+    if (match[NumericAddr].matched || match[Hostname].matched) {
         INet6Address a (INet6Address::from_string(
                             match[NumericAddr].matched ? match[NumericAddr] : match[Hostname],
                             resolve));
         std::copy(a.begin(), a.end(), &sockaddr_.sin6_addr.s6_addr[0]);
-    } catch (INet6Address::SyntaxException const &) {
-          throw SyntaxException();
     }
 }
 
@@ -121,12 +115,6 @@ prefix_ bool senf::INet6SocketAddress::operator==(INet6SocketAddress const & oth
         sockaddr_.sin6_scope_id == other.sockaddr_.sin6_scope_id;
 }
 
-prefix_ bool senf::INet6SocketAddress::operator!=(INet6SocketAddress const & other)
-    const
-{
-    return ! operator==(other);
-}
-
 prefix_ void senf::INet6SocketAddress::clear()
 {
     ::memset(&sockaddr_,0,sizeof(sockaddr_));
@@ -139,7 +127,7 @@ prefix_ std::string senf::INet6SocketAddress::iface()
     if (sockaddr_.sin6_scope_id == 0)
         return "";
     char buffer[IFNAMSIZ];
-#ifndef SENF_NO_DEBUG
+#ifdef SENF_DEBUG
     SENF_ASSERT( if_indextoname(sockaddr_.sin6_scope_id,buffer) );
 #else
     if_indextoname(sockaddr_.sin6_scope_id,buffer);
@@ -154,7 +142,7 @@ prefix_ void senf::INet6SocketAddress::assignIface(std::string const & iface)
     else {
         sockaddr_.sin6_scope_id = if_nametoindex(iface.c_str());
         if (sockaddr_.sin6_scope_id == 0)
-            throw SyntaxException();
+            throw AddressSyntaxException();
     }
 }