Function FormatOutput

plugins/check_nscp_api.cpp:44–168

* Prints an Icinga plugin API compliant output, including error handling. * * @param result * * @return Status code for exit() */

 * @return Status code for exit()
 */
static int FormatOutput(const Dictionary::Ptr& result)
{
	if (!result) {
		std::cerr << "UNKNOWN: No data received.\n";
		return 3;
	}

	if (l_Debug)
		std::cout << "\tJSON Body:\n" << result->ToString() << '\n';

	Array::Ptr payloads = result->Get("payload");
	if (!payloads) {
		std::cerr << "UNKNOWN: Answer format error: Answer is missing 'payload'.\n";
		return 3;
	}

	if (payloads->GetLength() == 0) {
		std::cerr << "UNKNOWN: Answer format error: 'payload' was empty.\n";
		return 3;
	}

	if (payloads->GetLength() > 1) {
		std::cerr << "UNKNOWN: Answer format error: Multiple payloads are not supported.";
		return 3;
	}

	Dictionary::Ptr payload;

	try {
		payload = payloads->Get(0);
	} catch (const std::exception&) {
		std::cerr << "UNKNOWN: Answer format error: 'payload' was not a Dictionary.\n";
		return 3;
	}

	Array::Ptr lines;

	try {
		lines = payload->Get("lines");
	} catch (const std::exception&) {
		std::cerr << "UNKNOWN: Answer format error: 'payload' is missing 'lines'.\n";
		return 3;
	}

	if (!lines) {
		std::cerr << "UNKNOWN: Answer format error: 'lines' is Null.\n";
		return 3;
	}

	std::stringstream ssout;

	ObjectLock olock(lines);

	for (const Value& vline : lines) {
		Dictionary::Ptr line;

		try {
			line = vline;