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Copy pathget_thing_shadow.cpp
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86 lines (74 loc) · 2.67 KB
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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
/**
* Before running this C++ code example, set up your development environment, including your credentials.
*
* For more information, see the following documentation topic:
*
* https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/getting-started.html
*
* For information on the structure of the code examples and how to build and run the examples, see
* https://docs.aws.amazon.com/sdk-for-cpp/v1/developer-guide/getting-started-code-examples.html.
*
**/
#include <aws/core/Aws.h>
#include <aws/iot-data/IoTDataPlaneClient.h>
#include <aws/iot-data/model/GetThingShadowRequest.h>
#include <iostream>
#include "iot_samples.h"
// snippet-start:[cpp.example_code.iot.GetThingShadow]
//! Get the shadow of an AWS IoT thing.
/*!
\param thingName: The name for the thing.
\param documentResult: String to receive the state information, in JSON format.
\param clientConfiguration: AWS client configuration.
\return bool: Function succeeded.
*/
bool AwsDoc::IoT::getThingShadow(const Aws::String &thingName,
Aws::String &documentResult,
const Aws::Client::ClientConfiguration &clientConfiguration) {
Aws::IoTDataPlane::IoTDataPlaneClient iotClient(clientConfiguration);
Aws::IoTDataPlane::Model::GetThingShadowRequest request;
request.SetThingName(thingName);
auto outcome = iotClient.GetThingShadow(request);
if (outcome.IsSuccess()) {
std::stringstream ss;
ss << outcome.GetResult().GetPayload().rdbuf();
documentResult = ss.str();
}
else {
std::cerr << "Error getting thing shadow: " <<
outcome.GetError().GetMessage() << std::endl;
}
return outcome.IsSuccess();
}
// snippet-end:[cpp.example_code.iot.GetThingShadow]
/*
*
* main function
*
* Usage: 'run_get_thing_shadow <thing_name>'
*
*/
#ifndef EXCLUDE_ACTION_MAIN
int main(int argc, char **argv) {
if (argc != 2) {
std::cout << "Usage: run_get_thing_shadow <thing_name>" << std::endl;
return 1;
}
Aws::SDKOptions options;
Aws::InitAPI(options);
{
const Aws::String thingName(argv[1]);
Aws::Client::ClientConfiguration clientConfig;
// Optional: Set to the AWS Region (overrides config file).
// clientConfig.region = "us-east-1";
Aws::String document;
if (AwsDoc::IoT::getThingShadow(thingName, document, clientConfig)) {
std::cout << "Received document: " << document << std::endl;
}
}
Aws::ShutdownAPI(options);
return 0;
}
#endif // EXCLUDE_ACTION_MAIN