1 // Copyright (c) 2012 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 "chrome/browser/drive/event_logger.h" 6 7 #include "base/logging.h" 8 #include "base/strings/stringprintf.h" 9 10 namespace drive { 11 12 EventLogger::Event::Event( 13 int id, logging::LogSeverity severity, const std::string& what) 14 : id(id), 15 severity(severity), 16 when(base::Time::Now()), 17 what(what) { 18 } 19 20 EventLogger::EventLogger() 21 : history_size_(kDefaultHistorySize), 22 next_event_id_(0) { 23 } 24 25 EventLogger::~EventLogger() { 26 } 27 28 void EventLogger::Log(logging::LogSeverity severity, const std::string& what) { 29 base::AutoLock auto_lock(lock_); 30 history_.push_back(Event(next_event_id_, severity, what)); 31 ++next_event_id_; 32 if (history_.size() > history_size_) 33 history_.pop_front(); 34 } 35 36 void EventLogger::SetHistorySize(size_t history_size) { 37 base::AutoLock auto_lock(lock_); 38 history_.clear(); 39 history_size_ = history_size; 40 } 41 42 std::vector<EventLogger::Event> EventLogger::GetHistory() { 43 base::AutoLock auto_lock(lock_); 44 std::vector<Event> output; 45 output.assign(history_.begin(), history_.end()); 46 return output; 47 } 48 49 50 } // namespace drive 51
