blob: d0d0c2cbd2632e677cfb19d44deea67fa853ea2d [file] [log] [blame]
// Copyright (c) 2013 The Chromium OS 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 "cpu_info_parser.h"
#include <fstream>
#include <string>
#include <base/logging.h>
#include <base/strings/string_split.h>
#include <base/strings/string_util.h>
namespace {
// The filename that contains CPU information.
const char kCPUInfoFilename[] = "/proc/cpuinfo";
// The delimiter used in the CPU information filename to separate keys and
// values.
const char kCPUInfoKeyValueDelimiter = ':';
} // namespace
namespace debugd {
CPUInfoParser::CPUInfoParser() : cpu_info_filename_(kCPUInfoFilename) {}
bool CPUInfoParser::GetKey(const std::string& key, std::string* value) {
std::ifstream infile(cpu_info_filename_.c_str());
std::string line;
while (std::getline(infile, line)) {
std::vector<std::string> tokens;
base::SplitString(line, kCPUInfoKeyValueDelimiter, &tokens);
if (!tokens.size())
TrimWhitespace(tokens[0], TRIM_ALL, &tokens[0]);
if (tokens[0] == key) {
*value = tokens[1];
return true;
return false;
} // namespace debugd