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// Copyright (c) 2009 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 "net/base/load_log.h"
#include "base/logging.h"
namespace net {
LoadLog::LoadLog(size_t max_num_entries)
: num_entries_truncated_(0), max_num_entries_(max_num_entries) {
DCHECK_GT(max_num_entries, 0u);
}
// static
const char* LoadLog::EventTypeToString(EventType event) {
switch (event) {
#define EVENT_TYPE(label) case TYPE_ ## label: return #label;
#include "net/base/load_log_event_type_list.h"
#undef EVENT_TYPE
}
return NULL;
}
void LoadLog::Add(const Event& event) {
// Minor optimization. TODO(eroman): use StackVector instead.
if (events_.empty())
events_.reserve(10); // It is likely we will have at least 10 entries.
// Enforce a bound of |max_num_entries_| -- once we reach it, keep overwriting
// the final entry in the log.
if (events_.size() + 1 <= max_num_entries_ ||
max_num_entries_ == kUnbounded) {
events_.push_back(event);
} else {
num_entries_truncated_ += 1;
events_[max_num_entries_ - 1] = event;
}
}
void LoadLog::Append(const LoadLog* log) {
for (size_t i = 0; i < log->events().size(); ++i)
Add(log->events()[i]);
num_entries_truncated_ += log->num_entries_truncated();
}
} // namespace net
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