grpc/src/objective-c/GRPCClient/GRPCCall+ChannelArg.m

/*
 *
 * 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 "GRPCCall+ChannelArg.h"

#import "private/GRPCHost.h"

#import <grpc/impl/codegen/compression_types.h>

@implementation GRPCCall (ChannelArg)

+ (void)setUserAgentPrefix:(nonnull NSString *)userAgentPrefix forHost:(nonnull NSString *)host {
  GRPCHost *hostConfig = [GRPCHost hostWithAddress:host];
  hostConfig.userAgentPrefix = userAgentPrefix;
}

+ (void)setResponseSizeLimit:(NSUInteger)limit forHost:(nonnull NSString *)host {
  GRPCHost *hostConfig = [GRPCHost hostWithAddress:host];
  hostConfig.responseSizeLimitOverride = @(limit);
}

+ (void)closeOpenConnections {
  [GRPCHost flushChannelCache];
}

+ (void)setDefaultCompressMethod:(GRPCCompressAlgorithm)algorithm
                         forhost:(nonnull NSString *)host {
  GRPCHost *hostConfig = [GRPCHost hostWithAddress:host];
  switch (algorithm) {
    case GRPCCompressNone:
      hostConfig.compressAlgorithm = GRPC_COMPRESS_NONE;
      break;
    case GRPCCompressDeflate:
      hostConfig.compressAlgorithm = GRPC_COMPRESS_MESSAGE_DEFLATE;
      break;
    case GRPCCompressGzip:
      hostConfig.compressAlgorithm = GRPC_COMPRESS_MESSAGE_GZIP;
      break;
    default:
      NSLog(@"Invalid compression algorithm");
      abort();
  }
}

@end