1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// 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_UDP_PROBER_H_
#define CHROME_BROWSER_ASH_NET_NETWORK_DIAGNOSTICS_UDP_PROBER_H_
#include <cstdint>
#include <memory>
#include "base/containers/span.h"
#include "base/functional/callback.h"
#include "base/time/time.h"
#include "net/base/host_port_pair.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/public/cpp/network_context_getter.h"
#include "services/network/public/mojom/network_context.mojom.h"
namespace ash::network_diagnostics {
// Uses a UDP socket to send data to a remote destination. After sending data,
// the prober listens for received data. It confirms that data was received but
// does not validate the content, hence no data is parsed. Used by network
// diagnostic routines.
class UdpProber {
public:
// Lists the ways a prober may end. The callback passed into the prober's
// constructor is invoked while exiting.
enum ProbeExitEnum {
kDnsFailure,
kConnectFailure,
kSendFailure,
kNetworkErrorOnReceiveFailure,
kMojoDisconnectFailure,
kNoDataReceivedFailure,
kTimeout,
kSuccess,
};
using UdpProbeCompleteCallback =
base::OnceCallback<void(int result, ProbeExitEnum probe_exit_enum)>;
virtual ~UdpProber() = default;
// Creates a UdpProber instance which resolves |host_port_pair| and starts the
// UDP probe. See implementation for more details.
static std::unique_ptr<UdpProber> Start(
network::NetworkContextGetter network_context_getter,
net::HostPortPair host_port_pair,
base::span<const uint8_t> data,
net::NetworkTrafficAnnotationTag tag,
base::TimeDelta timeout_after_host_resolution,
UdpProbeCompleteCallback callback);
};
} // namespace ash::network_diagnostics
#endif // CHROME_BROWSER_ASH_NET_NETWORK_DIAGNOSTICS_UDP_PROBER_H_
|
