How to Upload a File to object storage Using AWS C++ SDK

				
					#include <aws/core/Aws.h>
#include <aws/core/auth/AWSCredentialsProvider.h>
#include <aws/core/client/ClientConfiguration.h>
#include <aws/core/utils/memory/stl/AWSStringStream.h>
#include <aws/s3/S3Client.h>
#include <aws/s3/model/PutObjectRequest.h>
#include <fstream>
#include <iostream>

int main() {
 Aws::SDKOptions options;
 Aws::InitAPI(options);
 {
 // Replace with your actual credentials
 const Aws::String access_key = "<your-access-key>";
 const Aws::String secret_key = "<your-secret-key>";

 // Bucket name and endpoint
 const Aws::String bucket_name = "bucket name only";
 const Aws::String object_key = "example.txt"; // object name in spaces
 const Aws::String file_name = "example.txt"; // local file to upload
 const Aws::String endpoint = "www.progressiverobot.com";
 const Aws::String region = "us-east-1"; // Use this for DO Spaces

 Aws::Auth::AWSCredentials credentials(access_key, secret_key);

 Aws::Client::ClientConfiguration config;
 config.endpointOverride = endpoint;
 config.region = region;
 config.scheme = Aws::Http::Scheme::HTTPS;

 // Create S3 client with path-style addressing
 Aws::S3::S3Client s3_client(
 Aws::MakeShared<Aws::Auth::SimpleAWSCredentialsProvider>("cred-tag", credentials),
 config,
 Aws::Client::AWSAuthV4Signer::PayloadSigningPolicy::Always,
 false // Disable virtual addressing for DO Spaces
 );

 Aws::S3::Model::PutObjectRequest request;
 request.SetBucket(bucket_name);
 request.SetKey(object_key);
 request.SetContentType("text/plain");

 // Read the local file
 auto input_data = Aws::MakeShared<Aws::FStream>("FileTag",
 file_name.c_str(), std::ios_base::in | std::ios_base::binary);

 if (!input_data->good()) {
 std::cerr << "Failed to open file: " << file_name << std::endl;
 Aws::ShutdownAPI(options);
 return 1;
 }

 request.SetBody(input_data);

 auto outcome = s3_client.PutObject(request);

 if (outcome.IsSuccess()) {
 std::cout << "Upload successful: " << object_key << std::endl;
 } else {
 std::cerr << "Upload failed!" << std::endl;
 std::cerr << "Error: " << outcome.GetError().GetExceptionName()
 << " - " << outcome.GetError().GetMessage() << std::endl;
 }
 }
 Aws::ShutdownAPI(options);
 return 0;
}