services/proxy_resolver/proxy_host_resolver.h

   1 // Copyright 2019 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_PROXY_HOST_RESOLVER_H_
   6 #define SERVICES_PROXY_RESOLVER_PROXY_HOST_RESOLVER_H_
   7
   8 #include <memory>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "net/base/completion_once_callback.h"
  13 #include "net/base/ip_address.h"
  14 #include "net/proxy_resolution/proxy_resolve_dns_operation.h"
  15
  16 namespace net {
  17 class NetworkAnonymizationKey;
  18 }  // namespace net
  19
  20 namespace proxy_resolver {
  21
  22 // Interface for a limited (compared to the standard HostResolver) host resolver
  23 // used just for proxy resolution.
  24 class ProxyHostResolver {
  25  public:
  26   virtual ~ProxyHostResolver() {}
  27
  28   class Request {
  29    public:
  30     virtual ~Request() {}
  31     virtual int Start(net::CompletionOnceCallback callback) = 0;
  32     virtual const std::vector<net::IPAddress>& GetResults() const = 0;
  33   };
  34
  35   virtual std::unique_ptr<Request> CreateRequest(
  36       const std::string& hostname,
  37       net::ProxyResolveDnsOperation operation,
  38       const net::NetworkAnonymizationKey& network_aonymization_key) = 0;
  39 };
  40
  41 }  // namespace proxy_resolver
  42
  43 #endif  // SERVICES_PROXY_RESOLVER_PROXY_HOST_RESOLVER_H_