1/*
2 * libjingle
3 * Copyright 2008 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_BASE_SYSTEMINFO_H__
29#define TALK_BASE_SYSTEMINFO_H__
30
31#include <string>
32
33#include "talk/base/basictypes.h"
34
35namespace talk_base {
36
37class SystemInfo {
38 public:
39  enum Architecture {
40    SI_ARCH_UNKNOWN = -1,
41    SI_ARCH_X86 = 0,
42    SI_ARCH_X64 = 1,
43    SI_ARCH_ARM = 2
44  };
45
46  SystemInfo();
47
48  // The number of CPU Cores in the system.
49  int GetMaxPhysicalCpus();
50  // The number of CPU Threads in the system.
51  int GetMaxCpus();
52  // The number of CPU Threads currently available to this process.
53  int GetCurCpus();
54  // Identity of the CPUs.
55  Architecture GetCpuArchitecture();
56  std::string GetCpuVendor();
57  int GetCpuFamily();
58  int GetCpuModel();
59  int GetCpuStepping();
60  // Return size of CPU cache in bytes.  Uses largest available cache (L3).
61  int GetCpuCacheSize();
62  // Estimated speed of the CPUs, in MHz.  e.g. 2400 for 2.4 GHz
63  int GetMaxCpuSpeed();
64  int GetCurCpuSpeed();
65  // Total amount of physical memory, in bytes.
66  int64 GetMemorySize();
67  // The model name of the machine, e.g. "MacBookAir1,1"
68  std::string GetMachineModel();
69
70  // The gpu identifier
71  struct GpuInfo {
72    GpuInfo() : vendor_id(0), device_id(0) {}
73    std::string device_name;
74    std::string description;
75    int vendor_id;
76    int device_id;
77    std::string driver;
78    std::string driver_version;
79  };
80  bool GetGpuInfo(GpuInfo *info);
81
82 private:
83  int physical_cpus_;
84  int logical_cpus_;
85  int cache_size_;
86  Architecture cpu_arch_;
87  std::string cpu_vendor_;
88  int cpu_family_;
89  int cpu_model_;
90  int cpu_stepping_;
91  int cpu_speed_;
92  int64 memory_;
93  std::string machine_model_;
94};
95
96}  // namespace talk_base
97
98#endif  // TALK_BASE_SYSTEMINFO_H__
99