services/proxy_resolver/host_resolver_mojo.h

   1 // Copyright 2015 The Chromium Authors
   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 SERVICES_PROXY_RESOLVER_HOST_RESOLVER_MOJO_H_
   6 #define SERVICES_PROXY_RESOLVER_HOST_RESOLVER_MOJO_H_
   7
   8 #include <memory>
   9 #include <string>
  10
  11 #include "base/memory/raw_ptr.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/threading/thread_checker.h"
  14 #include "net/proxy_resolution/proxy_resolve_dns_operation.h"
  15 #include "services/proxy_resolver/proxy_host_resolver.h"
  16 #include "services/proxy_resolver/proxy_host_resolver_cache.h"
  17 #include "services/proxy_resolver/public/mojom/proxy_resolver.mojom.h"
  18
  19 namespace net {
  20 class NetworkAnonymizationKey;
  21 }  // namespace net
  22
  23 namespace proxy_resolver {
  24
  25 // A ProxyHostResolver implementation that converts requests to mojo types and
  26 // forwards them to a mojo Impl interface.
  27 class HostResolverMojo : public ProxyHostResolver {
  28  public:
  29   class Impl {
  30    public:
  31     virtual ~Impl() = default;
  32     virtual void ResolveDns(
  33         const std::string& hostname,
  34         net::ProxyResolveDnsOperation operation,
  35         const net::NetworkAnonymizationKey& network_anonymization_key,
  36         mojo::PendingRemote<mojom::HostResolverRequestClient> client) = 0;
  37   };
  38
  39   // |impl| must outlive |this|.
  40   explicit HostResolverMojo(Impl* impl);
  41
  42   HostResolverMojo(const HostResolverMojo&) = delete;
  43   HostResolverMojo& operator=(const HostResolverMojo&) = delete;
  44
  45   ~HostResolverMojo() override;
  46
  47   // ProxyHostResolver overrides.
  48   std::unique_ptr<Request> CreateRequest(
  49       const std::string& hostname,
  50       net::ProxyResolveDnsOperation operation,
  51       const net::NetworkAnonymizationKey& network_anonymization_key) override;
  52
  53  private:
  54   class Job;
  55   class RequestImpl;
  56
  57   const raw_ptr<Impl> impl_;
  58
  59   ProxyHostResolverCache host_cache_;
  60   base::WeakPtrFactory<ProxyHostResolverCache> host_cache_weak_factory_{
  61       &host_cache_};
  62
  63   base::ThreadChecker thread_checker_;
  64 };
  65
  66 }  // namespace proxy_resolver
  67
  68 #endif  // SERVICES_PROXY_RESOLVER_HOST_RESOLVER_MOJO_H_