Repo created

TMessagesProj/jni/voip/webrtc/base/system/sys_info_mac.mm

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+// Copyright 2016 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 "base/system/sys_info.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <CoreServices/CoreServices.h>
+#import <Foundation/Foundation.h>
+#include <mach/mach_host.h>
+#include <mach/mach_init.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <sys/sysctl.h>
+#include <sys/types.h>
+
+#include "base/logging.h"
+#include "base/mac/mac_util.h"
+#include "base/mac/scoped_mach_port.h"
+#include "base/process/process_metrics.h"
+#include "base/stl_util.h"
+#include "base/strings/string_util.h"
+#include "base/strings/stringprintf.h"
+
+namespace base {
+
+namespace {
+
+// Queries sysctlbyname() for the given key and returns the value from the
+// system or the empty string on failure.
+std::string GetSysctlValue(const char* key_name) {
+  char value[256];
+  size_t len = base::size(value);
+  if (sysctlbyname(key_name, &value, &len, nullptr, 0) == 0) {
+    DCHECK_GE(len, 1u);
+    DCHECK_EQ('\0', value[len - 1]);
+    return std::string(value, len - 1);
+  }
+  return std::string();
+}
+
+}  // namespace
+
+// static
+std::string SysInfo::OperatingSystemName() {
+  return "Mac OS X";
+}
+
+// static
+std::string SysInfo::OperatingSystemVersion() {
+  int32_t major, minor, bugfix;
+  OperatingSystemVersionNumbers(&major, &minor, &bugfix);
+  return base::StringPrintf("%d.%d.%d", major, minor, bugfix);
+}
+
+// static
+void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version,
+                                            int32_t* minor_version,
+                                            int32_t* bugfix_version) {
+  NSOperatingSystemVersion version =
+      [[NSProcessInfo processInfo] operatingSystemVersion];
+  *major_version = version.majorVersion;
+  *minor_version = version.minorVersion;
+  *bugfix_version = version.patchVersion;
+}
+
+// static
+int64_t SysInfo::AmountOfPhysicalMemoryImpl() {
+  struct host_basic_info hostinfo;
+  mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
+  base::mac::ScopedMachSendRight host(mach_host_self());
+  int result = host_info(host.get(), HOST_BASIC_INFO,
+                         reinterpret_cast<host_info_t>(&hostinfo), &count);
+  if (result != KERN_SUCCESS) {
+    NOTREACHED();
+    return 0;
+  }
+  DCHECK_EQ(HOST_BASIC_INFO_COUNT, count);
+  return static_cast<int64_t>(hostinfo.max_mem);
+}
+
+// static
+int64_t SysInfo::AmountOfAvailablePhysicalMemoryImpl() {
+  SystemMemoryInfoKB info;
+  if (!GetSystemMemoryInfo(&info))
+    return 0;
+  // We should add inactive file-backed memory also but there is no such
+  // information from Mac OS unfortunately.
+  return static_cast<int64_t>(info.free + info.speculative) * 1024;
+}
+
+// static
+std::string SysInfo::CPUModelName() {
+  return GetSysctlValue("machdep.cpu.brand_string");
+}
+
+// static
+std::string SysInfo::HardwareModelName() {
+  return GetSysctlValue("hw.model");
+}
+
+// static
+SysInfo::HardwareInfo SysInfo::GetHardwareInfoSync() {
+  HardwareInfo info;
+  info.manufacturer = "Apple Inc.";
+  info.model = HardwareModelName();
+  DCHECK(IsStringUTF8(info.manufacturer));
+  DCHECK(IsStringUTF8(info.model));
+  return info;
+}
+
+}  // namespace base