答案: c++++ 云计算与 aws、azure 和 gcp 的无缝集成。展开描述:aws sdk for c++ 简化了与 amazon ec2 和 s3 等 aws 服务的交互。azure sdk for c++ 允许使用 azure 计算、存储和数据库服务。gcp cloud sdk 和 grpc 客户端库支持与 google compute engine 和 google bigquery 的集成。

C++ 云计算:与主流云平台的整合
云计算已成为现代软件开发不可或缺的一部分,它提供按需访问可扩展的计算资源,让开发者能专注于构建应用,而无需管理底层基础设施。对于使用 C++ 的开发者而言,与主流云平台集成至关重要。
Amazon Web Services (AWS)
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AWS 是全球最大的云平台,为 C++ 开发者提供一系列服务。AWS SDK for C++ 简化了与 AWS 服务的交互,例如 Amazon Elastic Compute Cloud (EC2)、Amazon Simple Storage Service (S3) 和 Amazon DynamoDB。
#include <aws/core/Aws.h>
#include <aws/core/client/AsyncCallerContext.h>
#include <aws/ec2/Ec2Client.h>
#include <aws/ec2/model/RunInstancesRequest.h>
int main() {
Aws::InitAPI(Aws::SDKOptions{});
{
Aws::Client::AsyncCallerContext context;
Aws::EC2::Ec2Client ec2_client;
Aws::EC2::Model::RunInstancesRequest run_instances_request;
run_instances_request.SetImageId("ami-id");
run_instances_request.SetInstanceType("t2.micro");
run_instances_request.SetMinCount(1);
run_instances_request.SetMaxCount(1);
auto outcome = ec2_client.RunInstancesAsync(run_instances_request, context);
if (outcome.IsSuccess()) {
std::cout << "Instance launched" << std::endl;
} else {
std::cout << "Error launching instance: " << outcome.GetError().GetMessage()
<< std::endl;
}
}
Aws::ShutdownAPI(Aws::SDKOptions{});
return 0;
}Microsoft Azure
Azure 也为 C++ 开发者提供广泛的服务。Azure SDK for C++ 允许开发者使用 Azure 计算、存储和数据库等服务。
#include <azure/core.hpp>
#include <azure/identity.hpp>
#include <azure/storage.hpp>
int main() {
auto tenant_id = std::getenv("AZURE_TENANT_ID");
auto client_id = std::getenv("AZURE_CLIENT_ID");
auto client_secret = std::getenv("AZURE_CLIENT_SECRET");
auto storage_account_name = std::getenv("AZURE_STORAGE_ACCOUNT_NAME");
Azure::Core::Credentials::ManagedIdentityCredential creds(tenant_id, client_id,
client_secret);
Azure::Storage::StorageClient storage_client(storage_account_name, creds);
auto blob_client = storage_client.GetBlobContainerClient("container-name");
std::string blob_name = "blob-name";
auto blob = blob_client.DownloadBlob(blob_name);
std::cout << "Downloaded blob: " << blob.ContentAs<std::string>() << std::endl;
return 0;
}Google Cloud Platform (GCP)
GCP 也提供了一组全面的 C++ 服务。GCP Cloud SDK 和 gRPC 客户端库使开发者能够轻松集成 Google Cloud 服务,例如 Google Compute Engine (GCE)、Google Cloud Storage (GCS) 和 Google BigQuery。
#include <gmock/gmock.h>
#include <google/cloud/bigquery/bigquery_read_client.h>
#include <google/cloud/bigquery/metadata.h>
#include <google/cloud/bigquery/storage/bigquery_storage_client.h>
TEST(BigqueryStorageReadWriteIntegrationTest, Read) {
google::cloud::bigquery::storage::BigQueryReadClient client;
auto channel = client.CreateBigQueryReadChannel(
google::cloud::bigquery::storage::v1beta1::ReadSession{});
auto session = google::cloud::bigquery::storage::v1beta1::ReadSession{};
auto writer =
client.WriteReadSessionAsync(channel.get(), google::cloud::CompletionQueue{},
std::move(session));
google::cloud::StatusOr<google::cloud::bigquery::storage::v1beta1::
ReadRowsResponse> rows_received;
auto read_rows = client.ReadRowsAsync(channel.get(), google::cloud::CompletionQueue{},
google::bigquery::ReadRowsRequest{});
google::cloud::future<void> session_write = writer.get();
do {
rows_received = read_rows.get();
} while (true);
EXPECT_STATUS_OK(rows_received);
}结论
通过与主流云平台集成,C++ 开发者可以利用弹性、可扩展的云资源。AWS SDK for C++、Azure SDK for C++ 和 GCP Cloud SDK 提供了简单易用的 API,为开发人员提供与这些平台无缝互动的能力。这些实战案例演示了如何使用这些 SDK 与云服务进行交互,从而扩展 C++ 应用的可能性。
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