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/*
*
* Copyright 2018 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 "GRPCCronetChannelFactory.h"
#import "ChannelArgsUtil.h"
#import "GRPCChannel.h"
#ifdef GRPC_COMPILE_WITH_CRONET
#import <Cronet/Cronet.h>
#include <grpc/grpc_cronet.h>
NS_ASSUME_NONNULL_BEGIN
@implementation GRPCCronetChannelFactory {
stream_engine *_cronetEngine;
}
+ (instancetype _Nullable)sharedInstance {
static GRPCCronetChannelFactory *instance;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
instance = [[self alloc] initWithEngine:[Cronet getGlobalEngine]];
});
return instance;
}
- (instancetype _Nullable)initWithEngine:(stream_engine *)engine {
if (!engine) {
[NSException raise:NSInvalidArgumentException format:@"Cronet engine is NULL. Set it first."];
return nil;
}
if ((self = [super init])) {
_cronetEngine = engine;
}
return self;
}
- (grpc_channel *_Nullable)createChannelWithHost:(NSString *)host
channelArgs:(NSDictionary *_Nullable)args {
grpc_channel_args *channelArgs = GRPCBuildChannelArgs(args);
grpc_channel *unmanagedChannel =
grpc_cronet_secure_channel_create(_cronetEngine, host.UTF8String, channelArgs, NULL);
GRPCFreeChannelArgs(channelArgs);
return unmanagedChannel;
}
@end
NS_ASSUME_NONNULL_END
#else
NS_ASSUME_NONNULL_BEGIN
@implementation GRPCCronetChannelFactory
+ (instancetype _Nullable)sharedInstance {
[NSException raise:NSInvalidArgumentException
format:@"Must enable macro GRPC_COMPILE_WITH_CRONET to build Cronet channel."];
return nil;
}
- (grpc_channel *_Nullable)createChannelWithHost:(NSString *)host
channelArgs:(NSDictionary *_Nullable)args {
[NSException raise:NSInvalidArgumentException
format:@"Must enable macro GRPC_COMPILE_WITH_CRONET to build Cronet channel."];
return NULL;
}
@end
NS_ASSUME_NONNULL_END
#endif
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