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/*
*
* Copyright 2015 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>
#include <grpc/grpc.h>
typedef void (^GRPCQueueCompletionHandler)(bool success);
/**
* This class lets one more easily use |grpc_completion_queue|. To use it, pass the value of the
* |unmanagedQueue| property of an instance of this class to |grpc_channel_create_call|. Then for
* every |grpc_call_*| method that accepts a tag, you can pass a block of type
* |GRPCQueueCompletionHandler| (remembering to cast it using |__bridge_retained|). The block is
* guaranteed to eventually be called, by a concurrent queue, and then released. Each such block is
* passed a |bool| that tells if the operation was successful.
*
* Release the GRPCCompletionQueue object only after you are not going to pass any more blocks to
* the |grpc_call| that's using it.
*/
@interface GRPCCompletionQueue : NSObject
@property(nonatomic, readonly) grpc_completion_queue *unmanagedQueue;
+ (instancetype)completionQueue;
@end
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