Clang format slam.

net/base/network_change_notifier_mac.cc

 // 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 "net/base/network_change_notifier_mac.h"
 
 #include <netinet/in.h>
 #include <resolv.h>
 
 #include "base/basictypes.h"
 #include "base/threading/thread.h"
 #include "net/dns/dns_config_service.h"
 
 namespace net {
 
 static bool CalculateReachability(SCNetworkConnectionFlags flags) {
   bool reachable = flags & kSCNetworkFlagsReachable;
   bool connection_required = flags & kSCNetworkFlagsConnectionRequired;
   return reachable && !connection_required;
 }
 
 NetworkChangeNotifier::ConnectionType CalculateConnectionType(
     SCNetworkConnectionFlags flags) {
   bool reachable = CalculateReachability(flags);
   if (reachable) {
 #if defined(OS_IOS)
-    return (flags & kSCNetworkReachabilityFlagsIsWWAN) ?
-        NetworkChangeNotifier::CONNECTION_3G :
-        NetworkChangeNotifier::CONNECTION_WIFI;
+    return (flags & kSCNetworkReachabilityFlagsIsWWAN)
+               ? NetworkChangeNotifier::CONNECTION_3G
+               : NetworkChangeNotifier::CONNECTION_WIFI;
 #else
     // TODO(droger): Get something more detailed than CONNECTION_UNKNOWN.
     // http://crbug.com/112937
     return NetworkChangeNotifier::CONNECTION_UNKNOWN;
 #endif  // defined(OS_IOS)
   } else {
     return NetworkChangeNotifier::CONNECTION_NONE;
   }
 }
 
 // Thread on which we can run DnsConfigService, which requires a TYPE_IO
 // message loop.
 class NetworkChangeNotifierMac::DnsConfigServiceThread : public base::Thread {
  public:
   DnsConfigServiceThread() : base::Thread("DnsConfigService") {}
 
-  virtual ~DnsConfigServiceThread() {
-    Stop();
-  }
+  virtual ~DnsConfigServiceThread() { Stop(); }
 
   virtual void Init() OVERRIDE {
     service_ = DnsConfigService::CreateSystemService();
     service_->WatchConfig(base::Bind(&NetworkChangeNotifier::SetDnsConfig));
   }
 
-  virtual void CleanUp() OVERRIDE {
-    service_.reset();
-  }
+  virtual void CleanUp() OVERRIDE { service_.reset(); }
 
  private:
   scoped_ptr<DnsConfigService> service_;
 
   DISALLOW_COPY_AND_ASSIGN(DnsConfigServiceThread);
 };
 
 NetworkChangeNotifierMac::NetworkChangeNotifierMac()
     : NetworkChangeNotifier(NetworkChangeCalculatorParamsMac()),
       connection_type_(CONNECTION_UNKNOWN),
       connection_type_initialized_(false),
       initial_connection_type_cv_(&connection_type_lock_),
       forwarder_(this),
       dns_config_service_thread_(new DnsConfigServiceThread()) {
   // Must be initialized after the rest of this object, as it may call back into
   // SetInitialConnectionType().
   config_watcher_.reset(new NetworkConfigWatcherMac(&forwarder_));
   dns_config_service_thread_->StartWithOptions(
       base::Thread::Options(base::MessageLoop::TYPE_IO, 0));
 }
 
 NetworkChangeNotifierMac::~NetworkChangeNotifierMac() {
   // Delete the ConfigWatcher to join the notifier thread, ensuring that
   // StartReachabilityNotifications() has an opportunity to run to completion.
   config_watcher_.reset();
 
   // Now that StartReachabilityNotifications() has either run to completion or
   // never run at all, unschedule reachability_ if it was previously scheduled.
   if (reachability_.get() && run_loop_.get()) {
-    SCNetworkReachabilityUnscheduleFromRunLoop(reachability_.get(),
-                                               run_loop_.get(),
-                                               kCFRunLoopCommonModes);
+    SCNetworkReachabilityUnscheduleFromRunLoop(
+        reachability_.get(), run_loop_.get(), kCFRunLoopCommonModes);
   }
 }
 
 // static
 NetworkChangeNotifier::NetworkChangeCalculatorParams
 NetworkChangeNotifierMac::NetworkChangeCalculatorParamsMac() {
   NetworkChangeCalculatorParams params;
   // Delay values arrived at by simple experimentation and adjusted so as to
   // produce a single signal when switching between network connections.
   params.ip_address_offline_delay_ = base::TimeDelta::FromMilliseconds(500);
   params.ip_address_online_delay_ = base::TimeDelta::FromMilliseconds(500);
   params.connection_type_offline_delay_ =
       base::TimeDelta::FromMilliseconds(1000);
   params.connection_type_online_delay_ = base::TimeDelta::FromMilliseconds(500);
   return params;
 }
 
 NetworkChangeNotifier::ConnectionType
 NetworkChangeNotifierMac::GetCurrentConnectionType() const {
   base::AutoLock lock(connection_type_lock_);
   // Make sure the initial connection type is set before returning.
   while (!connection_type_initialized_) {
     initial_connection_type_cv_.Wait();
   }
   return connection_type_;
 }
 
-void NetworkChangeNotifierMac::Forwarder::Init()  {
+void NetworkChangeNotifierMac::Forwarder::Init() {
   net_config_watcher_->SetInitialConnectionType();
 }
 
 void NetworkChangeNotifierMac::Forwarder::StartReachabilityNotifications() {
   net_config_watcher_->StartReachabilityNotifications();
 }
 
 void NetworkChangeNotifierMac::Forwarder::SetDynamicStoreNotificationKeys(
-    SCDynamicStoreRef store)  {
+    SCDynamicStoreRef store) {
   net_config_watcher_->SetDynamicStoreNotificationKeys(store);
 }
 
 void NetworkChangeNotifierMac::Forwarder::OnNetworkConfigChange(
-    CFArrayRef changed_keys)  {
+    CFArrayRef changed_keys) {
   net_config_watcher_->OnNetworkConfigChange(changed_keys);
 }
 
 void NetworkChangeNotifierMac::SetInitialConnectionType() {
   // Called on notifier thread.
 
   // Try to reach 0.0.0.0. This is the approach taken by Firefox:
   //
   // http://mxr.mozilla.org/mozilla2.0/source/netwerk/system/mac/nsNetworkLinkService.mm
   //
@@ skipping 21 matching lines @@
   }
 }
 
 void NetworkChangeNotifierMac::StartReachabilityNotifications() {
   // Called on notifier thread.
   run_loop_.reset(CFRunLoopGetCurrent());
   CFRetain(run_loop_.get());
 
   DCHECK(reachability_);
   SCNetworkReachabilityContext reachability_context = {
-    0,     // version
-    this,  // user data
-    NULL,  // retain
-    NULL,  // release
-    NULL   // description
+      0,     // version
+      this,  // user data
+      NULL,  // retain
+      NULL,  // release
+      NULL   // description
   };
   if (!SCNetworkReachabilitySetCallback(
           reachability_,
           &NetworkChangeNotifierMac::ReachabilityCallback,
           &reachability_context)) {
     LOG(DFATAL) << "Could not set network reachability callback";
     reachability_.reset();
-  } else if (!SCNetworkReachabilityScheduleWithRunLoop(reachability_,
-                                                       run_loop_,
-                                                       kCFRunLoopCommonModes)) {
+  } else if (!SCNetworkReachabilityScheduleWithRunLoop(
+                 reachability_, run_loop_, kCFRunLoopCommonModes)) {
     LOG(DFATAL) << "Could not schedule network reachability on run loop";
     reachability_.reset();
   }
 }
 
 void NetworkChangeNotifierMac::SetDynamicStoreNotificationKeys(
     SCDynamicStoreRef store) {
 #if defined(OS_IOS)
   // SCDynamicStore API does not exist on iOS.
   NOTREACHED();
 #else
   base::ScopedCFTypeRef<CFMutableArrayRef> notification_keys(
       CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks));
   base::ScopedCFTypeRef<CFStringRef> key(
       SCDynamicStoreKeyCreateNetworkGlobalEntity(
           NULL, kSCDynamicStoreDomainState, kSCEntNetInterface));
   CFArrayAppendValue(notification_keys.get(), key.get());
   key.reset(SCDynamicStoreKeyCreateNetworkGlobalEntity(
       NULL, kSCDynamicStoreDomainState, kSCEntNetIPv4));
   CFArrayAppendValue(notification_keys.get(), key.get());
   key.reset(SCDynamicStoreKeyCreateNetworkGlobalEntity(
       NULL, kSCDynamicStoreDomainState, kSCEntNetIPv6));
   CFArrayAppendValue(notification_keys.get(), key.get());
 
   // Set the notification keys.  This starts us receiving notifications.
-  bool ret = SCDynamicStoreSetNotificationKeys(
-      store, notification_keys.get(), NULL);
+  bool ret =
+      SCDynamicStoreSetNotificationKeys(store, notification_keys.get(), NULL);
   // TODO(willchan): Figure out a proper way to handle this rather than crash.
   CHECK(ret);
 #endif  // defined(OS_IOS)
 }
 
 void NetworkChangeNotifierMac::OnNetworkConfigChange(CFArrayRef changed_keys) {
 #if defined(OS_IOS)
   // SCDynamicStore API does not exist on iOS.
   NOTREACHED();
 #else
   DCHECK_EQ(run_loop_.get(), CFRunLoopGetCurrent());
 
   for (CFIndex i = 0; i < CFArrayGetCount(changed_keys); ++i) {
-    CFStringRef key = static_cast<CFStringRef>(
-        CFArrayGetValueAtIndex(changed_keys, i));
+    CFStringRef key =
+        static_cast<CFStringRef>(CFArrayGetValueAtIndex(changed_keys, i));
     if (CFStringHasSuffix(key, kSCEntNetIPv4) ||
         CFStringHasSuffix(key, kSCEntNetIPv6)) {
       NotifyObserversOfIPAddressChange();
       return;
     }
     if (CFStringHasSuffix(key, kSCEntNetInterface)) {
       // TODO(willchan): Does not appear to be working.  Look into this.
       // Perhaps this isn't needed anyway.
     } else {
       NOTREACHED();
@@ skipping 23 matching lines @@
     NotifyObserversOfConnectionTypeChange();
 
 #if defined(OS_IOS)
   // On iOS, the SCDynamicStore API does not exist, and we use the reachability
   // API to detect IP address changes instead.
   NotifyObserversOfIPAddressChange();
 #endif  // defined(OS_IOS)
 }
 
 }  // namespace net