blob: 2afcb2953a1733e93d669aa8b15f815e17d48ac6 [file] [log] [blame]
* Copyright (c) 2015 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.
#if defined(WEBRTC_IOS)
#import <AVFoundation/AVFoundation.h>
#import <Foundation/Foundation.h>
#import <sys/sysctl.h>
#import <UIKit/UIKit.h>
#include <memory>
#include "webrtc/base/checks.h"
#include "webrtc/base/logging.h"
#include "webrtc/modules/utility/include/helpers_ios.h"
namespace webrtc {
namespace ios {
bool isOperatingSystemAtLeastVersion(double version) {
return GetSystemVersion() >= version;
// Internal helper method used by GetDeviceName() to return device name.
const char* LookUpRealName(const char* raw_name) {
// Lookup table which maps raw device names to real (human readable) names.
struct {
const char* raw_name;
const char* real_name;
} device_names[] = {
{"iPhone1,1", "iPhone 1G"},
{"iPhone1,2", "iPhone 3G"},
{"iPhone2,1", "iPhone 3GS"},
{"iPhone3,1", "iPhone 4"},
{"iPhone3,3", "Verizon iPhone 4"},
{"iPhone4,1", "iPhone 4S"},
{"iPhone5,1", "iPhone 5 (GSM)"},
{"iPhone5,2", "iPhone 5 (GSM+CDMA)"},
{"iPhone5,3", "iPhone 5c (GSM)"},
{"iPhone5,4", "iPhone 5c (GSM+CDMA)"},
{"iPhone6,1", "iPhone 5s (GSM)"},
{"iPhone6,2", "iPhone 5s (GSM+CDMA)"},
{"iPhone7,1", "iPhone 6 Plus"},
{"iPhone7,2", "iPhone 6"},
{"iPhone8,1", "iPhone 6s"},
{"iPhone8,2", "iPhone 6s Plus"},
{"iPod1,1", "iPod Touch 1G"},
{"iPod2,1", "iPod Touch 2G"},
{"iPod3,1", "iPod Touch 3G"},
{"iPod4,1", "iPod Touch 4G"},
{"iPod5,1", "iPod Touch 5G"},
{"iPad1,1", "iPad"},
{"iPad2,1", "iPad 2 (WiFi)"},
{"iPad2,2", "iPad 2 (GSM)"},
{"iPad2,3", "iPad 2 (CDMA)"},
{"iPad2,4", "iPad 2 (WiFi)"},
{"iPad2,5", "iPad Mini (WiFi)"},
{"iPad2,6", "iPad Mini (GSM)"},
{"iPad2,7", "iPad Mini (GSM+CDMA)"},
{"iPad3,1", "iPad 3 (WiFi)"},
{"iPad3,2", "iPad 3 (GSM+CDMA)"},
{"iPad3,3", "iPad 3 (GSM)"},
{"iPad3,4", "iPad 4 (WiFi)"},
{"iPad3,5", "iPad 4 (GSM)"},
{"iPad3,6", "iPad 4 (GSM+CDMA)"},
{"iPad4,1", "iPad Air (WiFi)"},
{"iPad4,2", "iPad Air (Cellular)"},
{"iPad4,4", "iPad mini 2G (WiFi)"},
{"iPad4,5", "iPad mini 2G (Cellular)"},
{"i386", "Simulator"},
{"x86_64", "Simulator"},
for (auto& d : device_names) {
if (strcmp(d.raw_name, raw_name) == 0)
return d.real_name;
LOG(LS_WARNING) << "Failed to find device name (" << raw_name << ")";
return "";
// TODO(henrika): move to shared location.
// See for details.
NSString* NSStringFromStdString(const std::string& stdString) {
// std::string may contain null termination character so we construct
// using length.
return [[NSString alloc]
std::string StdStringFromNSString(NSString* nsString) {
NSData* charData = [nsString dataUsingEncoding:NSUTF8StringEncoding];
return std::string(reinterpret_cast<const char*>([charData bytes]),
[charData length]);
bool CheckAndLogError(BOOL success, NSError* error) {
if (!success) {
NSString* msg =
[NSString stringWithFormat:@"Error: %ld, %@, %@", (long)error.code,
LOG(LS_ERROR) << StdStringFromNSString(msg);
return false;
return true;
// TODO(henrika): see if it is possible to move to GetThreadName in
// platform_thread.h and base it on pthread methods instead.
std::string GetCurrentThreadDescription() {
NSString* name = [NSString stringWithFormat:@"%@", [NSThread currentThread]];
return StdStringFromNSString(name);
std::string GetAudioSessionCategory() {
NSString* category = [[AVAudioSession sharedInstance] category];
return StdStringFromNSString(category);
std::string GetSystemName() {
NSString* osName = [[UIDevice currentDevice] systemName];
return StdStringFromNSString(osName);
std::string GetSystemVersionAsString() {
NSString* osVersion = [[UIDevice currentDevice] systemVersion];
return StdStringFromNSString(osVersion);
double GetSystemVersion() {
static dispatch_once_t once_token;
static double system_version;
dispatch_once(&once_token, ^{
system_version = [UIDevice currentDevice].systemVersion.doubleValue;
return system_version;
std::string GetDeviceType() {
NSString* deviceModel = [[UIDevice currentDevice] model];
return StdStringFromNSString(deviceModel);
std::string GetDeviceName() {
size_t size;
sysctlbyname("hw.machine", NULL, &size, NULL, 0);
std::unique_ptr<char[]> machine;
machine.reset(new char[size]);
sysctlbyname("hw.machine", machine.get(), &size, NULL, 0);
return std::string(LookUpRealName(machine.get()));
std::string GetProcessName() {
NSString* processName = [NSProcessInfo processInfo].processName;
return StdStringFromNSString(processName);
int GetProcessID() {
return [NSProcessInfo processInfo].processIdentifier;
std::string GetOSVersionString() {
NSString* osVersion =
[NSProcessInfo processInfo].operatingSystemVersionString;
return StdStringFromNSString(osVersion);
int GetProcessorCount() {
return [NSProcessInfo processInfo].processorCount;
#if defined(__IPHONE_9_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_9_0
bool GetLowPowerModeEnabled() {
if (isOperatingSystemAtLeastVersion(9.0)) {
// lowPoweredModeEnabled is only available on iOS9+.
return [NSProcessInfo processInfo].lowPowerModeEnabled;
LOG(LS_WARNING) << "webrtc::ios::GetLowPowerModeEnabled() is not "
"supported. Requires at least iOS 9.0";
return false;
} // namespace ios
} // namespace webrtc
#endif // defined(WEBRTC_IOS)