/* * Phusion Passenger - https://www.phusionpassenger.com/ * Copyright (c) 2016-2025 Asynchronous B.V. * * "Passenger", "Phusion Passenger" and "Union Station" are registered * trademarks of Asynchronous B.V. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef _PASSENGER_LIBEV_JSON_UTILS_H_ #define _PASSENGER_LIBEV_JSON_UTILS_H_ #include #include #include #include #include #include namespace Passenger { using namespace std; /** * Encodes the given libev timestamp into a JSON object that * describes it. * * evTimeToJson(ev_now(loop) - 10); * // { * // "timestamp": 1424887842, * // "local": "Wed Feb 25 19:10:34 CET 2015", * // "relative_timestamp": -10, * // "relative": "10s ago" * // } */ inline Json::Value evTimeToJson(ev_tstamp evTime, ev_tstamp evNow, unsigned long long now = 0) { if (evTime <= 0) { return Json::Value(Json::nullValue); } if (now == 0) { now = SystemTime::getUsec(); } Json::Value doc; unsigned long long wallClockTimeUsec = now + llround((evTime - evNow) * 1000000); time_t wallClockTime = (time_t) (wallClockTimeUsec / 1000000ull); char buf[32]; size_t len; ctime_r(&wallClockTime, buf); len = strlen(buf); if (len > 0) { // Get rid of trailing newline buf[len - 1] = '\0'; } doc["timestamp"] = wallClockTimeUsec / 1000000.0; doc["local"] = buf; doc["relative_timestamp"] = evTime - evNow; if (evTime > evNow) { doc["relative"] = distanceOfTimeInWords(llround(evTime), llround(evNow)) + " from now"; } else { doc["relative"] = distanceOfTimeInWords(llround(evTime), llround(evNow)) + " ago"; } return doc; } } // namespace Passenger #endif /* _PASSENGER_LIBEV_JSON_UTILS_H_ */