WordClockESP/lib/framework/NTPStatus.cpp

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#include <NTPStatus.h>
NTPStatus::NTPStatus(AsyncWebServer* server, SecurityManager* securityManager) {
server->on(NTP_STATUS_SERVICE_PATH,
HTTP_GET,
securityManager->wrapRequest(std::bind(&NTPStatus::ntpStatus, this, std::placeholders::_1),
AuthenticationPredicates::IS_AUTHENTICATED));
}
/*
* Formats the time using the format provided.
*
* Uses a 25 byte buffer, large enough to fit an ISO time string with offset.
*/
String formatTime(tm* time, const char* format) {
char time_string[25];
strftime(time_string, 25, format, time);
return String(time_string);
}
String toUTCTimeString(tm* time) {
return formatTime(time, "%FT%TZ");
}
String toLocalTimeString(tm* time) {
return formatTime(time, "%FT%T");
}
void NTPStatus::ntpStatus(AsyncWebServerRequest* request) {
AsyncJsonResponse* response = new AsyncJsonResponse(false, MAX_NTP_STATUS_SIZE);
JsonObject root = response->getRoot();
// grab the current instant in unix seconds
time_t now = time(nullptr);
// only provide enabled/disabled status for now
root["status"] = sntp_enabled() ? 1 : 0;
// the current time in UTC
root["utc_time"] = toUTCTimeString(gmtime(&now));
// local time with offset
root["local_time"] = toLocalTimeString(localtime(&now));
// the sntp server name
root["server"] = sntp_getservername(0);
// device uptime in seconds
root["uptime"] = millis() / 1000;
response->setLength();
request->send(response);
}