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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>
@class GRPCCompletionQueue;
struct grpc_channel_credentials;
/**
* Each separate instance of this class represents at least one TCP connection to the provided host.
*/
@interface GRPCChannel : NSObject
@property(nonatomic, readonly, nonnull) struct grpc_channel *unmanagedChannel;
- (nullable instancetype)init NS_UNAVAILABLE;
/**
* Creates a secure channel to the specified @c host using default credentials and channel
* arguments. If certificates could not be found to create a secure channel, then @c nil is
* returned.
*/
+ (nullable GRPCChannel *)secureChannelWithHost:(nonnull NSString *)host;
/**
* Creates a secure channel to the specified @c host using Cronet as a transport mechanism.
*/
#ifdef GRPC_COMPILE_WITH_CRONET
+ (nullable GRPCChannel *)secureCronetChannelWithHost:(nonnull NSString *)host
channelArgs:(nonnull NSDictionary *)channelArgs;
#endif
/**
* Creates a secure channel to the specified @c host using the specified @c credentials and
* @c channelArgs. Only in tests should @c GRPC_SSL_TARGET_NAME_OVERRIDE_ARG channel arg be set.
*/
+ (nonnull GRPCChannel *)secureChannelWithHost:(nonnull NSString *)host
credentials:(nonnull struct grpc_channel_credentials *)credentials
channelArgs:(nullable NSDictionary *)channelArgs;
/**
* Creates an insecure channel to the specified @c host using the specified @c channelArgs.
*/
+ (nonnull GRPCChannel *)insecureChannelWithHost:(nonnull NSString *)host
channelArgs:(nullable NSDictionary *)channelArgs;
- (nullable grpc_call *)unmanagedCallWithPath:(nonnull NSString *)path
serverName:(nonnull NSString *)serverName
completionQueue:(nonnull GRPCCompletionQueue *)queue;
@end
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