Method profileHttpHeaders

tests/HostTests/modules/Network/Http.cpp:59–121

	}

	void profileHttpHeaders()
	{
		Serial.println(_F("\r\nPROFILING"));

		// Allocate everything on the heap so we can track memory usage
		auto freeHeap = system_get_free_heap_size();

		auto headersPtr = new HttpHeaders;
		HttpHeaders& headers = *headersPtr;

		// Set header values
		ElapseTimer timer;
		headers[HTTP_HEADER_CONTENT_ENCODING] = _F("gzip");
		headers[HTTP_HEADER_CONTENT_LENGTH] = 6042;
		headers[HTTP_HEADER_ETAG] = _F("00f-3d-179a0-0");
		headers[HTTP_HEADER_CONNECTION] = _F("keep-alive");
		headers[HTTP_HEADER_SERVER] = _F("HttpServer/Sming");
		headers[HTTP_HEADER_CONTENT_TYPE] = toString(MIME_JS);
		headers[HTTP_HEADER_CACHE_CONTROL] = F("max-age=31536000, public");
		headers[HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN] = "*";
		auto standardElapsed = timer.elapsedTime();
		headers[F("X-Served-By")] = _F("Donkey Kong");
		headers[F("Vary")] = _F("Accept-Encoding");
		headers[F("X-Fastly-Request-ID")] = _F("38ef411e0ec3bf681d29d8b4b51f3516d3ef9e03");
		auto totalElapsed = timer.elapsedTime();
		Serial.println(_F("Set header values"));
		Serial << _F("  Elapsed standard: ") << standardElapsed.toString() << ", total: " << totalElapsed.toString()
			   << ", heap used: " << freeHeap - system_get_free_heap_size() << endl;

		// Query header value by field name
		auto queryByEnum = [&](HttpHeaderFieldName name) {
			Serial << _F("  header[\"") << headers.toString(name) << "\"]: " << headers[name] << endl;
		};
		auto queryByString = [&](const String& name) {
			Serial << _F("  header[\"") << name << "\"]: " << headers[name] << endl;
		};
		Serial.println(_F("Query header values"));
		timer.start();
		queryByEnum(HTTP_HEADER_CONTENT_ENCODING);
		queryByEnum(HTTP_HEADER_CONTENT_LENGTH);
		queryByEnum(HTTP_HEADER_ETAG);
		queryByEnum(HTTP_HEADER_CONNECTION);
		queryByEnum(HTTP_HEADER_SERVER);
		queryByEnum(HTTP_HEADER_CONTENT_TYPE);
		queryByEnum(HTTP_HEADER_CACHE_CONTROL);
		queryByEnum(HTTP_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN);
		standardElapsed = timer.elapsedTime();
		queryByString("X-Served-By");
		queryByString("Vary");
		queryByString("X-Fastly-Request-ID");
		totalElapsed = timer.elapsedTime();
		Serial << _F("  Elapsed standard: ") << standardElapsed << ", total: " << totalElapsed << endl;
		Serial << _F("  Elapsed standard: ") << standardElapsed.toString() << ", total: " << totalElapsed.toString()
			   << endl;

		// Print header values - accessed by index
		Serial << _F("Printing ") << headers.count() << _F(" headers") << endl;
		timer.start();