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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/app_mode/kiosk_app_level_logs_saver.h"
#include <cstddef>
#include <string>
#include <string_view>
#include "base/functional/bind.h"
#include "base/strings/string_number_conversions.h"
#include "base/syslog_logging.h"
#include "third_party/blink/public/mojom/devtools/console_message.mojom-data-view.h"
#include "ui/base/l10n/l10n_util.h"
namespace chromeos {
namespace {
// Maximum number of log entries to save per session. Once this limit is
// reached, new logs will be discarded.
constexpr size_t kMaximumLogEntriesToBeSaved = 3000;
void SaveLogAccordingToSeverity(const std::u16string& message,
blink::mojom::ConsoleMessageLevel severity) {
switch (severity) {
case blink::mojom::ConsoleMessageLevel::kError:
SYSLOG(ERROR) << message;
break;
case blink::mojom::ConsoleMessageLevel::kWarning:
SYSLOG(WARNING) << message;
break;
case blink::mojom::ConsoleMessageLevel::kVerbose:
case blink::mojom::ConsoleMessageLevel::kInfo:
default:
SYSLOG(INFO) << message;
}
}
std::u16string FormatLogMessage(
const KioskAppLevelLogsSaver::KioskLogMessage& log) {
std::u16string formatted_message;
if (log.source().has_value() && log.line_no().has_value()) {
formatted_message = l10n_util::FormatString(
u"$1:$2 \"$3\"",
{log.source().value(), base::NumberToString16(log.line_no().value()),
log.message()},
nullptr);
} else {
formatted_message = log.message();
}
if (!log.untrusted_stack_trace().has_value()) {
return formatted_message;
}
return l10n_util::FormatString(
u"$1\nstack_trace: $2",
{formatted_message, log.untrusted_stack_trace().value()}, nullptr);
}
} // namespace
KioskAppLevelLogsSaver::KioskLogMessage::KioskLogMessage(
const std::u16string& message,
blink::mojom::ConsoleMessageLevel severity)
: message_(message), severity_(severity) {}
KioskAppLevelLogsSaver::KioskLogMessage::KioskLogMessage(
const std::u16string& message,
blink::mojom::ConsoleMessageLevel severity,
int line_no,
std::u16string source,
std::optional<std::u16string> untrusted_stack_trace)
: message_(message),
severity_(severity),
line_no_(line_no),
source_(source),
untrusted_stack_trace_(untrusted_stack_trace) {}
KioskAppLevelLogsSaver::KioskLogMessage::KioskLogMessage(
const KioskLogMessage&) = default;
KioskAppLevelLogsSaver::KioskLogMessage::KioskLogMessage(KioskLogMessage&&) =
default;
KioskAppLevelLogsSaver::KioskLogMessage::~KioskLogMessage() = default;
KioskAppLevelLogsSaver::KioskAppLevelLogsSaver()
: KioskAppLevelLogsSaver(base::BindRepeating(&SaveLogAccordingToSeverity)) {
}
KioskAppLevelLogsSaver::KioskAppLevelLogsSaver(LoggerCallback logger_callback)
: logger_callback_(std::move(logger_callback)) {}
KioskAppLevelLogsSaver::~KioskAppLevelLogsSaver() = default;
void KioskAppLevelLogsSaver::SaveLog(const KioskLogMessage& log) {
if (total_logs_saved_ >= kMaximumLogEntriesToBeSaved) {
return;
}
total_logs_saved_++;
logger_callback_.Run(FormatLogMessage(log), log.severity());
}
} // namespace chromeos
|
