d6542852f3
BUG=N/A R=andrew@webrtc.org Review URL: https://webrtc-codereview.appspot.com/18989004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6823 4adac7df-926f-26a2-2b94-8c16560cd09d
124 lines
3.9 KiB
C++
124 lines
3.9 KiB
C++
/*
|
|
* Copyright 2008 The WebRTC Project Authors. All rights reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef WEBRTC_BASE_LINUX_H_
|
|
#define WEBRTC_BASE_LINUX_H_
|
|
|
|
#if defined(WEBRTC_LINUX)
|
|
#include <string>
|
|
#include <map>
|
|
#include <vector>
|
|
|
|
#include "webrtc/base/scoped_ptr.h"
|
|
#include "webrtc/base/stream.h"
|
|
|
|
namespace rtc {
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ConfigParser parses a FileStream of an ".ini."-type format into a map.
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Sample Usage:
|
|
// ConfigParser parser;
|
|
// ConfigParser::MapVector key_val_pairs;
|
|
// if (parser.Open(inifile) && parser.Parse(&key_val_pairs)) {
|
|
// for (int section_num=0; i < key_val_pairs.size(); ++section_num) {
|
|
// std::string val1 = key_val_pairs[section_num][key1];
|
|
// std::string val2 = key_val_pairs[section_num][key2];
|
|
// // Do something with valn;
|
|
// }
|
|
// }
|
|
|
|
class ConfigParser {
|
|
public:
|
|
typedef std::map<std::string, std::string> SimpleMap;
|
|
typedef std::vector<SimpleMap> MapVector;
|
|
|
|
ConfigParser();
|
|
virtual ~ConfigParser();
|
|
|
|
virtual bool Open(const std::string& filename);
|
|
virtual void Attach(StreamInterface* stream);
|
|
virtual bool Parse(MapVector* key_val_pairs);
|
|
virtual bool ParseSection(SimpleMap* key_val_pair);
|
|
virtual bool ParseLine(std::string* key, std::string* value);
|
|
|
|
private:
|
|
scoped_ptr<StreamInterface> instream_;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// ProcCpuInfo reads CPU info from the /proc subsystem on any *NIX platform.
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Sample Usage:
|
|
// ProcCpuInfo proc_info;
|
|
// int no_of_cpu;
|
|
// if (proc_info.LoadFromSystem()) {
|
|
// std::string out_str;
|
|
// proc_info.GetNumCpus(&no_of_cpu);
|
|
// proc_info.GetCpuStringValue(0, "vendor_id", &out_str);
|
|
// }
|
|
// }
|
|
|
|
class ProcCpuInfo {
|
|
public:
|
|
ProcCpuInfo();
|
|
virtual ~ProcCpuInfo();
|
|
|
|
// Reads the proc subsystem's cpu info into memory. If this fails, this
|
|
// returns false; if it succeeds, it returns true.
|
|
virtual bool LoadFromSystem();
|
|
|
|
// Obtains the number of logical CPU threads and places the value num.
|
|
virtual bool GetNumCpus(int* num);
|
|
|
|
// Obtains the number of physical CPU cores and places the value num.
|
|
virtual bool GetNumPhysicalCpus(int* num);
|
|
|
|
// Obtains the CPU family id.
|
|
virtual bool GetCpuFamily(int* id);
|
|
|
|
// Obtains the number of sections in /proc/cpuinfo, which may be greater
|
|
// than the number of CPUs (e.g. on ARM)
|
|
virtual bool GetSectionCount(size_t* count);
|
|
|
|
// Looks for the CPU proc item with the given name for the given section
|
|
// number and places the string value in result.
|
|
virtual bool GetSectionStringValue(size_t section_num, const std::string& key,
|
|
std::string* result);
|
|
|
|
// Looks for the CPU proc item with the given name for the given section
|
|
// number and places the int value in result.
|
|
virtual bool GetSectionIntValue(size_t section_num, const std::string& key,
|
|
int* result);
|
|
|
|
private:
|
|
ConfigParser::MapVector sections_;
|
|
};
|
|
|
|
#if !defined(WEBRTC_CHROMIUM_BUILD)
|
|
// Builds a string containing the info from lsb_release on a single line.
|
|
std::string ReadLinuxLsbRelease();
|
|
#endif
|
|
|
|
// Returns the output of "uname".
|
|
std::string ReadLinuxUname();
|
|
|
|
// Returns the content (int) of
|
|
// /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
|
|
// Returns -1 on error.
|
|
int ReadCpuMaxFreq();
|
|
|
|
} // namespace rtc
|
|
|
|
#endif // defined(WEBRTC_LINUX)
|
|
#endif // WEBRTC_BASE_LINUX_H_
|