remoting/signaling/telemetry_log_writer.cc - Issue 1972793002: TelemetryLogWriter cleanups

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Issue 1972793002: TelemetryLogWriter cleanups (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: client_telemetry_logger_unittest: remove unused includes Created 4 years, 7 months ago

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1 // Copyright 2016 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 #include "remoting/signaling/telemetry_log_writer.h"

6

7 #include "base/bind.h"

8 #include "base/bind_helpers.h"

9 #include "base/json/json_string_value_serializer.h"

10 #include "base/logging.h"

11 #include "net/http/http_status_code.h"

12

13 namespace remoting {

14

15 const int kMaxTries = 5;

16

17 TelemetryLogWriter::TelemetryLogWriter(

18 const std::string& telemetry_base_url,

19 std::unique_ptr<UrlRequestFactory> request_factory)

20 : telemetry_base_url_(telemetry_base_url),

21 request_factory_(std::move(request_factory)) {}

22 TelemetryLogWriter::~TelemetryLogWriter() {}

23

24 void TelemetryLogWriter::SetAuthToken(const std::string& auth_token) {

25 DCHECK(CalledOnValidThread());

26 auth_token_ = auth_token;

27 SendPendingEntries();

28 }

29

30 void TelemetryLogWriter::SetAuthClosure(const base::Closure& closure) {

31 DCHECK(CalledOnValidThread());

32 auth_closure_ = closure;

33 }

34

35 void TelemetryLogWriter::Log(const ChromotingEvent& entry) {

36 DCHECK(CalledOnValidThread());

37 pending_entries_.push_back(entry);

38 SendPendingEntries();

39 }

40

41 void TelemetryLogWriter::SendPendingEntries() {

42 DCHECK(CalledOnValidThread());

43 if (request_ \|\| pending_entries_.empty()) {

44 return;

45 }

46

47 base::ListValue* events = new base::ListValue();

48 while (!pending_entries_.empty()) {

49 ChromotingEvent& entry = pending_entries_.front();

50 events->Append(entry.CopyDictionaryValue());

51 entry.IncrementTryCount();

52 sending_entries_.push_back(std::move(entry));

53 pending_entries_.pop_front();

54 }

55 base::DictionaryValue log_dictionary;

56 log_dictionary.Set("event", std::unique_ptr<base::Value>(events));

57

58 std::string json;

59 JSONStringValueSerializer serializer(&json);

60 if (!serializer.Serialize(log_dictionary)) {

61 LOG(ERROR) << "Failed to serialize log to JSON.";

62 return;

63 }

64 PostJsonToServer(json);

65 }

66

67 void TelemetryLogWriter::PostJsonToServer(const std::string& json) {

68 DCHECK(CalledOnValidThread());

69 DCHECK(!request_);

70 request_ = request_factory_->CreateUrlRequest(UrlRequest::Type::POST,

71 telemetry_base_url_);

72 if (!auth_token_.empty()) {

73 request_->AddHeader("Authorization:Bearer " + auth_token_);

74 }

75

76 VLOG(1) << "Posting log to telemetry server: " << json;

77

78 request_->SetPostData("application/json", json);

79 request_->Start(

80 base::Bind(&TelemetryLogWriter::OnSendLogResult, base::Unretained(this)));

81 }

82

83 void TelemetryLogWriter::OnSendLogResult(

84 const remoting::UrlRequest::Result& result) {

85 DCHECK(CalledOnValidThread());

86 DCHECK(request_);

87 if (!result.success \|\| result.status != net::HTTP_OK) {

88 LOG(WARNING) << "Error occur when sending logs to the telemetry server, "

89 << "status: " << result.status;

90 VLOG(1) << "Response body: \n"

91 << "body: " << result.response_body;

92 } else {

93 VLOG(1) << "Successfully sent " << sending_entries_.size()

94 << " log(s) to telemetry server.";

95 sending_entries_.clear();

96 }

97 while (!sending_entries_.empty()) {

98 ChromotingEvent& entry = sending_entries_.front();

99 if (entry.try_count() < kMaxTries) {

100 pending_entries_.push_back(std::move(entry));

101 }

102 sending_entries_.pop_front();

103 }

104 bool should_call_auth_closure =

105 result.status == net::HTTP_UNAUTHORIZED && !auth_closure_.is_null();

106 request_.reset(); // This may also destroy the result.

107 if (should_call_auth_closure) {

108 VLOG(1) << "Request is unauthorized. Trying to call the auth closure...";

109 auth_closure_.Run();

110 } else {

111 SendPendingEntries();

112 }

113 }

114

115 } // namespace remoting

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