/* * Copyright (C) 2009 Apple Inc. All Rights Reserved. * Copyright (C) 2012 Igalia S.L. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef DNSResolveQueue_h #define DNSResolveQueue_h #include "Timer.h" #include <wtf/Forward.h> #include <wtf/HashSet.h> #include <wtf/text/StringHash.h> namespace WebCore { class DNSResolveQueue : public TimerBase { public: static DNSResolveQueue& shared() { DEFINE_STATIC_LOCAL(DNSResolveQueue, queue, ()); return queue; } void add(const String& hostname); void decrementRequestCount() { atomicDecrement(&m_requestsInFlight); } private: bool platformProxyIsEnabledInSystemPreferences(); void platformResolve(const String&); void fired(); HashSet<String> m_names; int m_requestsInFlight; }; } #endif // DNSResolveQueue_h