chrome/browser/net/utility_process_mojo_proxy_resolver_factory.h

   1 // Copyright 2015 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 CHROME_BROWSER_NET_UTILITY_PROCESS_MOJO_PROXY_RESOLVER_FACTORY_H_
   6 #define CHROME_BROWSER_NET_UTILITY_PROCESS_MOJO_PROXY_RESOLVER_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "net/proxy/mojo_proxy_resolver_factory.h"
  10
  11 template <typename Type>
  12 struct DefaultSingletonTraits;
  13
  14 // A factory used to create connections to Mojo proxy resolver services run in a
  15 // utility process. All Mojo proxy resolver services will be run in the same
  16 // utility process. Utility process crashes are detected and the utility
  17 // process is automatically restarted.
  18 class UtilityProcessMojoProxyResolverFactory
  19     : public net::MojoProxyResolverFactory,
  20       public mojo::ErrorHandler {
  21  public:
  22   static UtilityProcessMojoProxyResolverFactory* GetInstance();
  23
  24   // Overridden from net::MojoProxyResolverFactory:
  25   void Create(mojo::InterfaceRequest<net::interfaces::ProxyResolver> req,
  26               net::interfaces::HostResolverPtr host_resolver) override;
  27
  28  private:
  29   friend struct DefaultSingletonTraits<UtilityProcessMojoProxyResolverFactory>;
  30   UtilityProcessMojoProxyResolverFactory();
  31   ~UtilityProcessMojoProxyResolverFactory() override;
  32
  33   // Overridden from mojo::ErrorHandler:
  34   void OnConnectionError() override;
  35
  36   // Creates a new utility process and connects to its Mojo proxy resolver
  37   // factory.
  38   void CreateProcessAndConnect();
  39
  40   net::interfaces::ProxyResolverFactoryPtr resolver_factory_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(UtilityProcessMojoProxyResolverFactory);
  43 };
  44
  45 #endif  // CHROME_BROWSER_NET_UTILITY_PROCESS_MOJO_PROXY_RESOLVER_FACTORY_H_