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// Copyright (c) 2012 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 "chrome/browser/drive/event_logger.h"
#include "base/logging.h"
#include "base/strings/stringprintf.h"
namespace drive {
EventLogger::Event::Event(
int id, logging::LogSeverity severity, const std::string& what)
: id(id),
severity(severity),
when(base::Time::Now()),
what(what) {
}
EventLogger::EventLogger()
: history_size_(kDefaultHistorySize),
next_event_id_(0) {
}
EventLogger::~EventLogger() {
}
void EventLogger::LogRawString(logging::LogSeverity severity,
const std::string& what) {
base::AutoLock auto_lock(lock_);
history_.push_back(Event(next_event_id_, severity, what));
++next_event_id_;
if (history_.size() > history_size_)
history_.pop_front();
}
void EventLogger::Log(logging::LogSeverity severity, const char* format, ...) {
std::string what;
va_list args;
va_start(args, format);
base::StringAppendV(&what, format, args);
va_end(args);
DVLOG(1) << what;
LogRawString(severity, what);
}
void EventLogger::SetHistorySize(size_t history_size) {
base::AutoLock auto_lock(lock_);
history_.clear();
history_size_ = history_size;
}
std::vector<EventLogger::Event> EventLogger::GetHistory() {
base::AutoLock auto_lock(lock_);
std::vector<Event> output;
output.assign(history_.begin(), history_.end());
return output;
}
} // namespace drive
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