Blame: cpp/example_code/lambda/cpp_lambda/increment/main.cpp - awsdocs/aws-doc-sdk-examples

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Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.

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4136 add cpp lambda runtime (#4244) * lambda runtime working * revised documentation * editorial fixes * Code review fixes 2023-01-20 12:36:13 -05:00			`// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.`
			`// SPDX-License-Identifier: Apache-2.0`
			`#include <memory>`
			`#include <aws/lambda-runtime/runtime.h>`
			`#include <aws/logging/logging.h>`
			`#include <json/json.h>`


			`using namespace aws::lambda_runtime;`

			`char const ACTION_KEY[] = "action";`
			`char const NUMBER_KEY[] = "number";`
			`char const RESULT_KEY[] = "result";`
			`char const INCREMENT_ACTION[] = "increment";`
			`char const TAG[] = "LAMBDA_LOG";`

			`invocation_response my_handler(invocation_request const& request)`
			`{`
			`Json::Value root;`
			`Json::CharReaderBuilder builder;`
			`const std::unique_ptr<Json::CharReader> reader(builder.newCharReader());`
			`JSONCPP_STRING err;`
			`if (!reader->parse(request.payload.c_str(), request.payload.c_str() + request.payload.length(), &root,`
			`&err)) {`
			`return invocation_response::failure(std::string("Failed to parse input JSON. ") + err, "InvalidJSON");`
			`}`

			`if (!root.isMember(ACTION_KEY) \|\| !root[ACTION_KEY].isString())`
			`{`
			`return invocation_response::failure("Missing valid 'action'.", "InvalidInput");`
			`}`

			`if (!root.isMember(NUMBER_KEY) \|\| !root[NUMBER_KEY].isNumeric())`
			`{`
			`return invocation_response::failure("Missing valid 'number'.", "InvalidInput");`
			`}`

			`std::string action = root[ACTION_KEY].asString();`
			`if (action == INCREMENT_ACTION)`
			`{`
			`Json::Value result;`
			`int number = root[NUMBER_KEY].asInt();`
			`aws::logging::log_info (TAG, "Incremented %d by 1", number);`

			`result[RESULT_KEY] = number + 1;`
			`Json::StreamWriterBuilder builder;`
			`return invocation_response::success(Json::writeString(builder, result), "application/json");`
			`}`
			`else`
			`{`
			`aws::logging::log_error (TAG, "Unimplemented action %s", action.c_str());`
			`return invocation_response::failure(std::string("Invalid action. ") + action, "InvalidAction");`
			`}`
			`}`

CPP: Lambda - update Dockerfile (#4945) * simplified the cpp lambda * Changed lambda runtime to debug * Added tag to docker file source 2023-06-27 12:03:19 -04:00			`int main(int argc, char *argv[])`
4136 add cpp lambda runtime (#4244) * lambda runtime working * revised documentation * editorial fixes * Code review fixes 2023-01-20 12:36:13 -05:00			`{`
CPP: Lambda - update Dockerfile (#4945) * simplified the cpp lambda * Changed lambda runtime to debug * Added tag to docker file source 2023-06-27 12:03:19 -04:00			`if (argc > 1)`
			`{`
			`aws::logging::log_info (TAG, "Lambda executable %s called with handler %s.", argv[0], argv[1]);`
			`}`

4136 add cpp lambda runtime (#4244) * lambda runtime working * revised documentation * editorial fixes * Code review fixes 2023-01-20 12:36:13 -05:00			`run_handler(my_handler);`
			`return 0;`
			`}`