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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_NET_NETWORK_DIAGNOSTICS_DNS_RESOLUTION_ROUTINE_H_
#define CHROME_BROWSER_ASH_NET_NETWORK_DIAGNOSTICS_DNS_RESOLUTION_ROUTINE_H_
#include <optional>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ash/net/network_diagnostics/network_diagnostics_routine.h"
#include "net/dns/public/host_resolver_results.h"
#include "services/network/public/mojom/host_resolver.mojom.h"
class Profile;
namespace network {
class SimpleHostResolver;
namespace mojom {
class NetworkContext;
} // namespace mojom
} // namespace network
namespace ash::network_diagnostics {
// Tests whether a DNS resolution can be completed successfully.
class DnsResolutionRoutine : public NetworkDiagnosticsRoutine {
public:
explicit DnsResolutionRoutine(
chromeos::network_diagnostics::mojom::RoutineCallSource source);
DnsResolutionRoutine(const DnsResolutionRoutine&) = delete;
DnsResolutionRoutine& operator=(const DnsResolutionRoutine&) = delete;
~DnsResolutionRoutine() override;
// NetworkDiagnosticsRoutine:
chromeos::network_diagnostics::mojom::RoutineType Type() override;
void Run() override;
void AnalyzeResultsAndExecuteCallback() override;
void set_network_context_for_testing(
network::mojom::NetworkContext* network_context) {
network_context_ = network_context;
}
void set_profile_for_testing(Profile* profile) { profile_ = profile; }
network::mojom::NetworkContext* network_context() { return network_context_; }
Profile* profile() { return profile_; }
private:
void OnComplete(int result,
const net::ResolveErrorInfo& resolve_error_info,
const std::optional<net::AddressList>& resolved_addresses,
const std::optional<net::HostResolverEndpointResults>&
endpoint_results_with_metadata);
void CreateHostResolver();
void AttemptResolution();
// Unowned
raw_ptr<Profile> profile_ = nullptr;
// Unowned
raw_ptr<network::mojom::NetworkContext> network_context_ = nullptr;
static constexpr int kTotalNumRetries = 1;
int num_retries_ = kTotalNumRetries;
bool resolved_address_received_ = false;
std::vector<chromeos::network_diagnostics::mojom::DnsResolutionProblem>
problems_;
std::unique_ptr<network::SimpleHostResolver> host_resolver_;
};
} // namespace ash::network_diagnostics
#endif // CHROME_BROWSER_ASH_NET_NETWORK_DIAGNOSTICS_DNS_RESOLUTION_ROUTINE_H_
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