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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>
@interface GRPCReachabilityFlags : NSObject
+ (nonnull instancetype)flagsWithFlags:(SCNetworkReachabilityFlags)flags;
/**
* One accessor method to query each of the different flags. Example:
@property(nonatomic, readonly) BOOL isCell;
*/
#define GRPC_XMACRO_ITEM(methodName, FlagName) \
@property(nonatomic, readonly) BOOL methodName;
#include "GRPCReachabilityFlagNames.xmacro.h"
#undef GRPC_XMACRO_ITEM
@property(nonatomic, readonly) BOOL isHostReachable;
@end
@interface GRPCConnectivityMonitor : NSObject
+ (nullable instancetype)monitorWithHost:(nonnull NSString *)hostName;
- (nonnull instancetype)init NS_UNAVAILABLE;
/**
* Queue on which callbacks will be dispatched. Default is the main queue. Set it before calling
* handleLossWithHandler:.
*/
// TODO(jcanizales): Default to a serial background queue instead.
@property(nonatomic, strong, null_resettable) dispatch_queue_t queue;
/**
* Calls handler every time the connectivity to this instance's host is lost. If this instance is
* released before that happens, the handler won't be called.
* Only one handler is active at a time, so if this method is called again before the previous
* handler has been called, it might never be called at all (or yes, if it has already been queued).
*/
- (void)handleLossWithHandler:(nullable void (^)())lossHandler
wifiStatusChangeHandler:(nullable void (^)())wifiStatusChangeHandler;
@end
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