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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/inspector/console_message_storage.h"
#include "third_party/blink/renderer/core/inspector/console_message.h"
#include "third_party/blink/renderer/core/probe/core_probes.h"
namespace blink {
static const unsigned kMaxConsoleMessageCount = 1000;
namespace {
const char* MessageSourceToString(mojom::ConsoleMessageSource source) {
switch (source) {
case mojom::ConsoleMessageSource::kXml:
return "XML";
case mojom::ConsoleMessageSource::kJavaScript:
return "JS";
case mojom::ConsoleMessageSource::kNetwork:
return "Network";
case mojom::ConsoleMessageSource::kConsoleApi:
return "ConsoleAPI";
case mojom::ConsoleMessageSource::kStorage:
return "Storage";
case mojom::ConsoleMessageSource::kAppCache:
return "AppCache";
case mojom::ConsoleMessageSource::kRendering:
return "Rendering";
case mojom::ConsoleMessageSource::kSecurity:
return "Security";
case mojom::ConsoleMessageSource::kOther:
return "Other";
case mojom::ConsoleMessageSource::kDeprecation:
return "Deprecation";
case mojom::ConsoleMessageSource::kWorker:
return "Worker";
case mojom::ConsoleMessageSource::kViolation:
return "Violation";
case mojom::ConsoleMessageSource::kIntervention:
return "Intervention";
case mojom::ConsoleMessageSource::kRecommendation:
return "Recommendation";
}
LOG(FATAL) << "Unreachable code.";
return nullptr;
}
void TraceConsoleMessageEvent(ConsoleMessage* message) {
// Change in this function requires adjustment of Catapult/Telemetry metric
// tracing/tracing/metrics/console_error_metric.html.
// See https://crbug.com/880432
if (message->Level() == mojom::ConsoleMessageLevel::kError) {
TRACE_EVENT_INSTANT1("blink.console", "ConsoleMessage::Error",
TRACE_EVENT_SCOPE_THREAD, "source",
MessageSourceToString(message->Source()));
}
}
} // anonymous namespace
ConsoleMessageStorage::ConsoleMessageStorage() : expired_count_(0) {}
bool ConsoleMessageStorage::AddConsoleMessage(ExecutionContext* context,
ConsoleMessage* message,
bool discard_duplicates) {
DCHECK(messages_.size() <= kMaxConsoleMessageCount);
if (discard_duplicates) {
for (auto& console_message : messages_) {
if (message->Message() == console_message->Message())
return false;
}
}
TraceConsoleMessageEvent(message);
probe::ConsoleMessageAdded(context, message);
if (messages_.size() == kMaxConsoleMessageCount) {
++expired_count_;
messages_.pop_front();
}
messages_.push_back(message);
return true;
}
void ConsoleMessageStorage::Clear() {
messages_.clear();
expired_count_ = 0;
}
wtf_size_t ConsoleMessageStorage::size() const {
return messages_.size();
}
ConsoleMessage* ConsoleMessageStorage::at(wtf_size_t index) const {
return messages_[index].Get();
}
int ConsoleMessageStorage::ExpiredCount() const {
return expired_count_;
}
void ConsoleMessageStorage::Trace(Visitor* visitor) {
visitor->Trace(messages_);
}
} // namespace blink
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