| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| #include "qpid/sys/posix/PrivatePosix.h" |
| |
| #include "qpid/sys/Time.h" |
| #include <ostream> |
| #include <time.h> |
| #include <stdio.h> |
| #include <sys/time.h> |
| #include <unistd.h> |
| #include <iomanip> |
| |
| namespace { |
| int64_t max_abstime() { return std::numeric_limits<int64_t>::max(); } |
| } |
| |
| namespace qpid { |
| namespace sys { |
| |
| AbsTime::AbsTime(const AbsTime& t, const Duration& d) : |
| timepoint(d == Duration::max() ? max_abstime() : t.timepoint+d.nanosecs) |
| {} |
| |
| AbsTime AbsTime::Epoch() { |
| AbsTime epoch; epoch.timepoint = 0; |
| return epoch; |
| } |
| |
| AbsTime AbsTime::FarFuture() { |
| AbsTime ff; ff.timepoint = max_abstime(); return ff; |
| } |
| |
| AbsTime AbsTime::now() { |
| struct timespec ts; |
| ::clock_gettime(CLOCK_REALTIME, &ts); |
| AbsTime time_now; |
| time_now.timepoint = toTime(ts).nanosecs; |
| return time_now; |
| } |
| |
| Duration::Duration(const AbsTime& start, const AbsTime& finish) : |
| nanosecs(finish.timepoint - start.timepoint) |
| {} |
| |
| namespace { |
| /** type conversion helper: an infinite timeout for time_t sized types **/ |
| const time_t TIME_T_MAX = std::numeric_limits<time_t>::max(); |
| } |
| |
| struct timespec& toTimespec(struct timespec& ts, const Duration& t) { |
| Duration secs = t / TIME_SEC; |
| ts.tv_sec = (secs > TIME_T_MAX) ? TIME_T_MAX : static_cast<time_t>(secs); |
| ts.tv_nsec = static_cast<long>(t % TIME_SEC); |
| return ts; |
| } |
| |
| struct timeval& toTimeval(struct timeval& tv, const Duration& t) { |
| Duration secs = t / TIME_SEC; |
| tv.tv_sec = (secs > TIME_T_MAX) ? TIME_T_MAX : static_cast<time_t>(secs); |
| tv.tv_usec = static_cast<suseconds_t>((t%TIME_SEC)/TIME_USEC); |
| return tv; |
| } |
| |
| Duration toTime(const struct timespec& ts) { |
| return ts.tv_sec*TIME_SEC + ts.tv_nsec; |
| } |
| |
| std::ostream& operator<<(std::ostream& o, const Duration& d) { |
| return o << int64_t(d) << "ns"; |
| } |
| |
| namespace { |
| inline std::ostream& outputFormattedTime(std::ostream& o, const ::time_t* time) { |
| ::tm timeinfo; |
| char time_string[100]; |
| ::strftime(time_string, 100, |
| "%Y-%m-%d %H:%M:%S", |
| localtime_r(time, &timeinfo)); |
| return o << time_string; |
| } |
| } |
| |
| std::ostream& operator<<(std::ostream& o, const AbsTime& t) { |
| ::time_t rawtime(t.timepoint/TIME_SEC); |
| return outputFormattedTime(o, &rawtime); |
| } |
| |
| void outputFormattedNow(std::ostream& o) { |
| ::time_t rawtime; |
| ::time(&rawtime); |
| outputFormattedTime(o, &rawtime); |
| o << " "; |
| } |
| |
| void outputHiresNow(std::ostream& o) { |
| ::timespec time; |
| ::clock_gettime(CLOCK_REALTIME, &time); |
| ::time_t seconds = time.tv_sec; |
| outputFormattedTime(o, &seconds); |
| o << "." << std::setw(9) << std::setfill('0') << time.tv_nsec << " "; |
| } |
| |
| void sleep(int secs) { |
| ::sleep(secs); |
| } |
| |
| void usleep(uint64_t usecs) { |
| ::usleep(usecs); |
| } |
| |
| }} |