blob: aa61e2f6d1a969849671836648297f21fc4a2e4d [file] [log] [blame]
// Copyright (c) 2012 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 "sync/util/get_session_name_mac.h"
#import <SystemConfiguration/SCDynamicStoreCopySpecific.h>
#include <sys/sysctl.h>
#include "base/mac/scoped_cftyperef.h"
#include "base/strings/string_util.h"
#include "base/strings/sys_string_conversions.h"
namespace syncer {
namespace internal {
std::string GetHardwareModelName() {
// Do not use NSHost currentHost, as it's very slow.
SCDynamicStoreContext context = { 0, NULL, NULL, NULL };
base::ScopedCFTypeRef<SCDynamicStoreRef> store(SCDynamicStoreCreate(
kCFAllocatorDefault, CFSTR("chrome_sync"), NULL, &context));
base::ScopedCFTypeRef<CFStringRef> machine_name(
if (machine_name.get())
return base::SysCFStringRefToUTF8(machine_name.get());
// Fall back to get computer name.
base::ScopedCFTypeRef<CFStringRef> computer_name(
SCDynamicStoreCopyComputerName(store.get(), NULL));
if (computer_name.get())
return base::SysCFStringRefToUTF8(computer_name.get());
// If all else fails, return to using a slightly nicer version of the
// hardware model.
char modelBuffer[256];
size_t length = sizeof(modelBuffer);
if (!sysctlbyname("hw.model", modelBuffer, &length, NULL, 0)) {
for (size_t i = 0; i < length; i++) {
if (IsAsciiDigit(modelBuffer[i]))
return std::string(modelBuffer, 0, i);
return std::string(modelBuffer, 0, length);
return "Unknown";
} // namespace internal
} // namespace syncer