diff options
Diffstat (limited to 'ucbhelper/source/client/proxydecider.cxx')
| -rw-r--r-- | ucbhelper/source/client/proxydecider.cxx | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/ucbhelper/source/client/proxydecider.cxx b/ucbhelper/source/client/proxydecider.cxx index e0c3b90804d5..28c432a61402 100644 --- a/ucbhelper/source/client/proxydecider.cxx +++ b/ucbhelper/source/client/proxydecider.cxx @@ -4,9 +4,9 @@ * * $RCSfile: proxydecider.cxx,v $ * - * $Revision: 1.7 $ + * $Revision: 1.8 $ * - * last change: $Author: rt $ $Date: 2005-09-09 16:35:26 $ + * last change: $Author: rt $ $Date: 2005-10-18 08:47:58 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. @@ -41,6 +41,7 @@ #include <utility> #include <vector> +#include <list> #ifndef _OSL_MUTEX_HXX_ #include <osl/mutex.hxx> @@ -111,6 +112,47 @@ public: typedef std::pair< WildCard, WildCard > NoProxyListEntry; //========================================================================= + +class HostnameCache +{ + typedef std::pair< rtl::OUString, rtl::OUString > HostListEntry; + + std::list< HostListEntry > m_aHostList; + sal_Int32 m_nCapacity; + +public: + explicit HostnameCache( sal_Int32 nCapacity ) + : m_nCapacity( nCapacity ) {} + + bool get( const rtl::OUString & rKey, rtl::OUString & rValue ) const + { + std::list< HostListEntry >::const_iterator it + = m_aHostList.begin(); + const std::list< HostListEntry >::const_iterator end + = m_aHostList.end(); + + while ( it != end ) + { + if ( (*it).first == rKey ) + { + rValue = (*it).second; + return true; + } + it++; + } + return false; + } + + void put( const rtl::OUString & rKey, const rtl::OUString & rValue ) + { + if ( m_aHostList.size() == m_nCapacity ) + m_aHostList.resize( m_nCapacity / 2 ); + + m_aHostList.push_front( HostListEntry( rKey, rValue ) ); + } +}; + +//========================================================================= class InternetProxyDecider_Impl : public cppu::WeakImplHelper1< util::XChangesListener > { @@ -121,6 +163,7 @@ class InternetProxyDecider_Impl : sal_Int32 m_nProxyType; uno::Reference< util::XChangesNotifier > m_xNotifier; std::vector< NoProxyListEntry > m_aNoProxyList; + mutable HostnameCache m_aHostnames; private: bool shouldUseProxy( const rtl::OUString & rHost, @@ -238,7 +281,8 @@ bool WildCard::Matches( const rtl::OUString& rString ) const InternetProxyDecider_Impl::InternetProxyDecider_Impl( const uno::Reference< lang::XMultiServiceFactory >& rxSMgr ) -: m_nProxyType( 0 ) + : m_nProxyType( 0 ), + m_aHostnames( 256 ) // cache size { try { @@ -531,10 +575,14 @@ const InternetProxyServer & InternetProxyDecider_Impl::getProxy( aHost = rHost; } - // This might be quite expensive (DNS lookup). - const osl::SocketAddr aAddr( aHost, nPort ); - rtl::OUString aFullyQualifiedHost( - aAddr.getHostname().toAsciiLowerCase() ); + rtl::OUString aFullyQualifiedHost; + if ( !m_aHostnames.get( aHost, aFullyQualifiedHost ) ) + { + // This might be quite expensive (DNS lookup). + const osl::SocketAddr aAddr( aHost, nPort ); + aFullyQualifiedHost = aAddr.getHostname().toAsciiLowerCase(); + m_aHostnames.put( aHost, aFullyQualifiedHost ); + } // Error resolving name? -> fallback. if ( !aFullyQualifiedHost.getLength() ) @@ -756,7 +804,6 @@ void InternetProxyDecider_Impl::setNoProxyList( // This might be quite expensive (DNS lookup). const osl::SocketAddr aAddr( aServer, 0 ); rtl::OUString aTmp = aAddr.getHostname().toAsciiLowerCase(); - if ( aTmp != aServer.toAsciiLowerCase() ) { if ( bIPv6Address ) |