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An idiomatic C++ client library for Pub/Sub Lite API, a high-volume messaging service built for very low cost of operation by offering zonal storage and pre-provisioned capacity.
This library is experimental. Its APIs are subject to change without notice.
QuickstartThe following shows the code that you'll run in the google/cloud/pubsublite/quickstart/ directory, which should give you a taste of the Pub/Sub Lite API C++ client library API.
#include "google/cloud/pubsublite/admin_client.h"
#include "google/cloud/pubsublite/endpoint.h"
#include "google/cloud/common_options.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 zone-id\n";
return 1;
}
auto const location = google::cloud::Location(argv[1], argv[2]);
namespace gc = ::google::cloud;
namespace pubsublite = ::google::cloud::pubsublite;
auto endpoint = pubsublite::EndpointFromZone(location.location_id());
if (!endpoint) throw std::move(endpoint).status();
auto client =
pubsublite::AdminServiceClient(pubsublite::MakeAdminServiceConnection(
gc::Options{}
.set<gc::EndpointOption>(*endpoint)
.set<gc::AuthorityOption>(*endpoint)));
for (auto topic : client.ListTopics(location.FullName())) {
if (!topic) throw std::move(topic).status();
std::cout << topic->DebugString() << "\n";
}
return 0;
} catch (google::cloud::Status const& status) {
std::cerr << "google::cloud::Status thrown: " << status << "\n";
return 1;
}
This library offers multiple *Client classes, which are listed below. Each one of these classes exposes all the RPCs for a service as member functions of the class. This library groups multiple services because they are part of the same product or are often used together. A typical example may be the administrative and data plane operations for a single product.
The library also has other classes that provide helpers, configuration parameters, and infrastructure to mock the *Client classes when testing your application.
The library automatically retries requests that fail with transient errors, and uses exponential backoff to backoff between retries. Application developers can override the default policies.
More InformationExcept 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."],[[["The latest version of the Pub/Sub Lite API C++ Client Library is 2.37.0-rc, with numerous prior versions available for reference."],["This C++ client library provides an idiomatic interface for interacting with the Pub/Sub Lite API, a messaging service for high-volume, low-cost operation using zonal storage and pre-provisioned capacity."],["The library offers `*Client` classes like `AdminServiceClient` and `TopicStatsServiceClient` for accessing the API's services, along with helper classes and configuration parameters."],["The library automatically handles retries with exponential backoff, and allows developers to override default policies for endpoints, authentication, and retry behavior."],["This is an experimental library, meaning its APIs are subject to change without any prior notification."]]],[]]
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