1 /* 2 * 3 * Copyright 2016 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 /** 20 * "X-macro" file that lists the flags names of Apple's Network Reachability 21 API, along with a nice 22 * Objective-C method name used to query each of them. 23 * 24 * Example usage: To generate a dictionary from flag value to name, one can do: 25 26 NSDictionary *flagNames = @{ 27 #define GRPC_XMACRO_ITEM(methodName, FlagName) \ 28 @(kSCNetworkReachabilityFlags ## FlagName): @#methodName, 29 #include "GRXReachabilityFlagNames.xmacro.h" 30 #undef GRPC_XMACRO_ITEM 31 }; 32 33 XCTAssertEqualObjects(flagNames[@(kSCNetworkReachabilityFlagsIsWWAN)], 34 @"isCell"); 35 36 */ 37 38 #ifndef GRPC_XMACRO_ITEM 39 #error This file is to be used with the "X-macro" pattern: Please #define \ 40 GRPC_XMACRO_ITEM(methodName, FlagName), then #include this file, and then #undef \ 41 GRPC_XMACRO_ITEM. 42 #endif 43 44 #if TARGET_OS_IPHONE 45 GRPC_XMACRO_ITEM(isWWAN, IsWWAN) 46 #endif 47 GRPC_XMACRO_ITEM(reachable, Reachable) 48 GRPC_XMACRO_ITEM(transientConnection, TransientConnection) 49 GRPC_XMACRO_ITEM(connectionRequired, ConnectionRequired) 50 GRPC_XMACRO_ITEM(connectionOnTraffic, ConnectionOnTraffic) 51 GRPC_XMACRO_ITEM(interventionRequired, InterventionRequired) 52 GRPC_XMACRO_ITEM(connectionOnDemand, ConnectionOnDemand) 53 GRPC_XMACRO_ITEM(isLocalAddress, IsLocalAddress) 54 GRPC_XMACRO_ITEM(isDirect, IsDirect) 55