net/proxy/proxy_resolver_winhttp.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
   6 #define NET_PROXY_PROXY_RESOLVER_WINHTTP_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "googleurl/src/gurl.h"
  10 #include "net/proxy/proxy_resolver.h"
  11
  12 typedef void* HINTERNET;  // From winhttp.h
  13
  14 namespace net {
  15
  16 // An implementation of ProxyResolver that uses WinHTTP and the system
  17 // proxy settings.
  18 class NET_EXPORT_PRIVATE ProxyResolverWinHttp : public ProxyResolver {
  19  public:
  20   ProxyResolverWinHttp();
  21   virtual ~ProxyResolverWinHttp();
  22
  23   // ProxyResolver implementation:
  24   virtual int GetProxyForURL(const GURL& url,
  25                              ProxyInfo* results,
  26                              const net::CompletionCallback& /*callback*/,
  27                              RequestHandle* /*request*/,
  28                              const BoundNetLog& /*net_log*/) OVERRIDE;
  29   virtual void CancelRequest(RequestHandle request) OVERRIDE;
  30
  31   virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE;
  32
  33   virtual LoadState GetLoadStateThreadSafe(
  34       RequestHandle request) const OVERRIDE;
  35
  36   virtual void CancelSetPacScript() OVERRIDE;
  37
  38   virtual int SetPacScript(
  39       const scoped_refptr<ProxyResolverScriptData>& script_data,
  40       const net::CompletionCallback& /*callback*/) OVERRIDE;
  41
  42  private:
  43   bool OpenWinHttpSession();
  44   void CloseWinHttpSession();
  45
  46   // Proxy configuration is cached on the session handle.
  47   HINTERNET session_handle_;
  48
  49   GURL pac_url_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(ProxyResolverWinHttp);
  52 };
  53
  54 }  // namespace net
  55
  56 #endif  // NET_PROXY_PROXY_RESOLVER_WINHTTP_H_