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 "net/proxy/proxy_resolver.h"
  10 #include "url/gurl.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 void CancelSetPacScript() override;
  34
  35   virtual int SetPacScript(
  36       const scoped_refptr<ProxyResolverScriptData>& script_data,
  37       const net::CompletionCallback& /*callback*/) override;
  38
  39  private:
  40   bool OpenWinHttpSession();
  41   void CloseWinHttpSession();
  42
  43   // Proxy configuration is cached on the session handle.
  44   HINTERNET session_handle_;
  45
  46   GURL pac_url_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(ProxyResolverWinHttp);
  49 };
  50
  51 }  // namespace net
  52
  53 #endif  // NET_PROXY_PROXY_RESOLVER_WINHTTP_H_