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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "sync/util/get_session_name_mac.h" | |
6 | |
7 #include <stddef.h> | |
8 #include <sys/sysctl.h> | |
9 #import <SystemConfiguration/SCDynamicStoreCopySpecific.h> | |
10 | |
11 #include "base/mac/scoped_cftyperef.h" | |
12 #include "base/strings/string_util.h" | |
13 #include "base/strings/sys_string_conversions.h" | |
14 | |
15 namespace syncer { | |
16 namespace internal { | |
17 | |
18 std::string GetHardwareModelName() { | |
19 // Do not use NSHost currentHost, as it's very slow. http://crbug.com/138570 | |
20 SCDynamicStoreContext context = { 0, NULL, NULL, NULL }; | |
21 base::ScopedCFTypeRef<SCDynamicStoreRef> store(SCDynamicStoreCreate( | |
22 kCFAllocatorDefault, CFSTR("chrome_sync"), NULL, &context)); | |
23 base::ScopedCFTypeRef<CFStringRef> machine_name( | |
24 SCDynamicStoreCopyLocalHostName(store.get())); | |
25 if (machine_name.get()) | |
26 return base::SysCFStringRefToUTF8(machine_name.get()); | |
27 | |
28 // Fall back to get computer name. | |
29 base::ScopedCFTypeRef<CFStringRef> computer_name( | |
30 SCDynamicStoreCopyComputerName(store.get(), NULL)); | |
31 if (computer_name.get()) | |
32 return base::SysCFStringRefToUTF8(computer_name.get()); | |
33 | |
34 // If all else fails, return to using a slightly nicer version of the | |
35 // hardware model. | |
36 char modelBuffer[256]; | |
37 size_t length = sizeof(modelBuffer); | |
38 if (!sysctlbyname("hw.model", modelBuffer, &length, NULL, 0)) { | |
39 for (size_t i = 0; i < length; i++) { | |
40 if (base::IsAsciiDigit(modelBuffer[i])) | |
41 return std::string(modelBuffer, 0, i); | |
42 } | |
43 return std::string(modelBuffer, 0, length); | |
44 } | |
45 return "Unknown"; | |
46 } | |
47 | |
48 } // namespace internal | |
49 } // namespace syncer | |
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