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Showing content from https://cloud.google.com/cpp/docs/reference/datastream/2.23.0 below:

C++ Client Libraries | Google Cloud

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An idiomatic C++ client library for the Datastream API, a serverless and easy-to-use change data capture (CDC) and replication service. It allows you to synchronize data across heterogeneous databases and applications reliably, and with minimal latency and downtime.

While this library is GA, please note that the Google Cloud C++ client libraries do not follow Semantic Versioning.

The following shows the code that you'll run in the google/cloud/datastream/quickstart/ directory, which should give you a taste of the Datastream API C++ client library API.

#include "google/cloud/datastream/v1/datastream_client.h"
#include "google/cloud/location.h"
#include <iostream>

int main(int argc, char* argv[]) try {
  if (argc != 3) {
    std::cerr << "Usage: " << argv[0] << " project-id location-id\n";
    return 1;
  }

  auto const location = google::cloud::Location(argv[1], argv[2]);

  namespace datastream = ::google::cloud::datastream_v1;
  auto client =
      datastream::DatastreamClient(datastream::MakeDatastreamConnection());

  for (auto s : client.ListStreams(location.FullName())) {
    if (!s) throw std::move(s).status();
    std::cout << s->DebugString() << "\n";
  }

  return 0;
} catch (google::cloud::Status const& status) {
  std::cerr << "google::cloud::Status thrown: " << status << "\n";
  return 1;
}

The main class in this library is datastream_v1::DatastreamClient. All RPCs are exposed as member functions of this class. Other classes provide helpers, configuration parameters, and infrastructure to mock datastream_v1::DatastreamClient when testing your application.

• Error Handling - describes how the library reports errors.
• How to Override the Default Endpoint - describes how to override the default endpoint.
• How to Override the Authentication Credentials - describes how to change the authentication credentials used by the library.
• Override Retry, Backoff, and Idempotency Policies - describes how to change the default retry policies.
• Environment Variables - describes environment variables that can configure the behavior of the library.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-08-14 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["This webpage provides documentation for the Datastream API C++ Client Library, which facilitates change data capture (CDC) and data replication across diverse databases and applications with minimal latency."],["The latest version of the Datastream API C++ Client Library is 2.37.0-rc, and the page lists numerous prior releases, including versions from 2.36.0 all the way to 2.11.0."],["The `datastream_v1::DatastreamClient` class is the primary class within this library, and all Remote Procedure Calls (RPCs) are accessible through its member functions."],["The provided quickstart code demonstrates how to utilize the client to list streams within a specified location, requiring a project ID and location ID as command-line arguments."],["The documentation includes information on error handling, endpoint overriding, authentication credential management, retry policies, and configurable environment variables."]]],[]]

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