Compilation errors for file upload via S3Client PutObject in C++ on Mac

[tedyu]

What platform/OS are you using?

Darwin 17.7.0 Darwin Kernel Version 17.7.0: Wed Apr 24 21:17:24 PDT 2019; root:xnu-4570.71.45~1/RELEASE_X86_64 x86_64

Which version of the SDK?

master branch of aws-sdk-cpp repo

What compiler are you using? what version?

gcc

Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 10.0.0 (clang-1000.11.45.5)
Target: x86_64-apple-darwin17.7.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

What are your CMake arguments?

cmake -Wc++11-extensions -I/Users/yute/homebrew/include -L/Users/yute/homebrew/lib/cmake –Daws-sdk-cpp_DIR=~/aws-sdk-cpp/build .

Can you provide a TRACE level log? (sanitize any sensitive information)

/Users/yute/ccs-us-west/triton/native/s3-upl-retrieve.cpp:35:46: error: no viable conversion from 'shared_ptr<std::__1::basic_fstream<char, std::__1::char_traits<char> >>' to 'const shared_ptr<Aws::IOStream>'
        const std::shared_ptr<Aws::IOStream> input_data =
                                             ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/memory:3703:23: note: candidate constructor not viable: no known conversion from 'std::shared_ptr<basic_fstream<char, char_traits<char> > >' to 'std::nullptr_t' (aka 'nullptr_t') for 1st argument
    _LIBCPP_CONSTEXPR shared_ptr(nullptr_t) _NOEXCEPT;
                      ^

Here is the program

#include <aws/s3/S3Client.h>
#include <aws/s3/model/PutObjectRequest.h>
#include <aws/s3/model/GetObjectRequest.h>
#include <aws/core/Aws.h>
#include <aws/core/utils/memory/stl/AWSStringStream.h> 

using namespace Aws::S3;
using namespace Aws::S3::Model;

static const char* KEY = "AKIAYUP244WDQOLCSQEK";
static const char* BUCKET = "hcs-poc-dev";

int main()
{
    Aws::SDKOptions options;
    Aws::Client::ClientConfiguration client_configuration;
    client_configuration.region = Aws::Region::US_EAST_2;
    Aws::InitAPI(options);
	{
		S3Client client(client_configuration);

		//first put an object into s3
		PutObjectRequest putObjectRequest;
		putObjectRequest.WithKey(KEY)
			   .WithBucket(BUCKET);

		//this can be any arbitrary stream (e.g. fstream, stringstream etc...)
        std::string file_name("s3-sample");
        const std::shared_ptr<Aws::IOStream> input_data =
            Aws::MakeShared<Aws::FStream>("SampleAllocationTag",
                                      file_name.c_str(),
                                      std::ios_base::in | std::ios_base::binary);
        putObjectRequest.SetBody(input_data);
		auto putObjectOutcome = client.PutObject(putObjectRequest);

		if(putObjectOutcome.IsSuccess())
		{
			std::cout << "Put object succeeded" << std::endl;
		}

[tedyu]

In file included from /Users/yute/ccs-us-west/triton/native/s3-upl-retrieve.cpp:1:
In file included from /Users/yute/homebrew/include/aws/s3/S3Client.h:19:
In file included from /Users/yute/homebrew/include/aws/core/client/AWSError.h:19:
In file included from /Users/yute/homebrew/include/aws/core/utils/memory/stl/AWSString.h:20:
In file included from /Users/yute/homebrew/include/aws/core/utils/memory/stl/AWSAllocator.h:21:
In file included from /Users/yute/homebrew/include/aws/core/utils/memory/AWSMemory.h:22:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/memory:652:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/type_traits:3141:38: error: implicit instantiation of undefined template 'std::__1::basic_fstream<char, std::__1::char_traits<char> >'
    : public integral_constant<bool, __is_constructible(_Tp, _Args...)>
                                     ^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/memory:4290:20: note: in instantiation of template class 'std::__1::is_constructible<std::__1::basic_fstream<char, std::__1::char_traits<char> >, const char *, unsigned int>' requested here
    static_assert( is_constructible<_Tp, _Args...>::value, "Can't construct object in allocate_shared" );
...
In file included from /Users/yute/homebrew/include/aws/core/utils/memory/AWSMemory.h:22:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/memory:4290:5: error: static_assert failed due to requirement 'is_constructible<basic_fstream<char, char_traits<char> >, const char *, unsigned int>::value' "Can't construct object in allocate_shared"
    static_assert( is_constructible<_Tp, _Args...>::value, "Can't construct object in allocate_shared" );
    ^              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/memory:4668:29: note: in instantiation of function template specialization 'std::__1::shared_ptr<std::__1::basic_fstream<char, std::__1::char_traits<char> > >::allocate_shared<Aws::Allocator<std::__1::basic_fstream<char, std::__1::char_traits<char> > >, const char *, unsigned int>' requested here
    return shared_ptr<_Tp>::allocate_shared(__a, _VSTD::forward<_Args>(__args)...);
                            ^

[KaibaLopez]

Hi @tedyu , please include fstream on your code and that should take care of the error.