grpc/src/objective-c/GRPCClient/private/GRPCSecureChannel.m

/*
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#import "GRPCSecureChannel.h"

#import <grpc/grpc_security.h>

@implementation GRPCSecureChannel

- (instancetype)initWithHost:(NSString *)host {
  // TODO(jcanizales): Load certs only once.
  NSURL *certsURL = [[NSBundle mainBundle] URLForResource:@"gRPC.bundle/roots" withExtension:@"pem"];
  NSData *certsData = [NSData dataWithContentsOfURL:certsURL];
  NSString *certsString = [[NSString alloc] initWithData:certsData encoding:NSUTF8StringEncoding];

  grpc_credentials *credentials = grpc_ssl_credentials_create(certsString.UTF8String, NULL);
  return (self = [super initWithChannel:grpc_secure_channel_create(credentials,
                                                                   host.UTF8String,
                                                                   NULL)]);
}

@end