{

const std::string png((char*)awslogo_png, awslogo_png_len);

return invocation_response::success(png, "image/png");

{

std::unordered_map<std::string, std::function<invocation_response(invocation_request const&)>> handlers;

handlers.emplace("echo_success", echo_success);

handlers.emplace("echo_failure", echo_failure);

handlers.emplace("binary_response", binary_response);

if (argc < 2) {

aws::logging::log_error("lambda_fun", "Missing handler argument. Exiting.");

return -1;

}

auto it = handlers.find(argv[1]);

if (it == handlers.end()) {

aws::logging::log_error("lambda_fun", "Handler %s not found. Exiting.", argv[1]);

return -2;

}

run_handler(it->second);

return 0;