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/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#import <Foundation/Foundation.h>
#import <SystemConfiguration/SystemConfiguration.h>
typedef NS_ENUM(NSInteger, GRPCConnectivityStatus) {
GRPCConnectivityUnknown = 0,
GRPCConnectivityNoNetwork = 1,
GRPCConnectivityCellular = 2,
GRPCConnectivityWiFi = 3,
};
extern NSString* _Nonnull kGRPCConnectivityNotification;
// This interface monitors OS reachability interface for any network status
// change. Parties interested in these events should register themselves as
// observer.
@interface GRPCConnectivityMonitor : NSObject
- (nonnull instancetype)init NS_UNAVAILABLE;
// Register an object as observer of network status change. \a observer
// must have a notification method with one parameter of type
// (NSNotification *) and should pass it to parameter \a selector. The
// parameter of this notification method is not used for now.
+ (void)registerObserver:(_Nonnull id)observer selector:(_Nonnull SEL)selector;
// Ungegister an object from observers of network status change.
+ (void)unregisterObserver:(_Nonnull id)observer;
@end
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