| /* |
| * Copyright 2008 Free Software Foundation, Inc. |
| * |
| * SPDX-License-Identifier: AGPL-3.0+ |
| * |
| * This software is distributed under the terms of the GNU Affero Public License. |
| * See the COPYING file in the main directory for details. |
| * |
| * This use of this software may be subject to additional restrictions. |
| * See the LEGAL file in the main directory for details. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Affero General Public License as published by |
| the Free Software Foundation, either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| */ |
| |
| |
| |
| |
| #include "Timeval.h" |
| #include <iostream> |
| #include <assert.h> |
| #include <sys/time.h> |
| |
| extern "C" { |
| #include <osmocom/core/timer.h> |
| } |
| |
| using namespace std; |
| |
| int main(int argc, char *argv[]) |
| { |
| |
| osmo_clock_override_enable(CLOCK_REALTIME, true); |
| |
| struct timespec *clk = osmo_clock_override_gettimespec(CLOCK_REALTIME); |
| clk->tv_sec = 0; |
| clk->tv_nsec = 1000; |
| |
| long last_remaining = 10000; /*10 sec */ |
| Timeval then(last_remaining); |
| assert(then.elapsed() == -last_remaining); |
| cerr << then << " elapsed: " << then.elapsed() << endl; |
| |
| /* Check that last_remaining parameter affects setting time in the future */ |
| osmo_clock_override_add(CLOCK_REALTIME, 0, 10*1000*1000); |
| double increased_time_secs = Timeval().seconds(); |
| assert(increased_time_secs < then.seconds()); |
| |
| struct timespec invariant_time = then.timespec(); |
| int loops = 0; |
| |
| while (!then.passed()) { |
| struct timespec tspecnow = then.timespec(); |
| cerr << "["<< loops << "] now: " << Timeval().seconds() << " then: " << then << " remaining: " << then.remaining() << endl; |
| assert(last_remaining >= then.remaining()); |
| assert(tspecnow.tv_sec == invariant_time.tv_sec && tspecnow.tv_nsec == invariant_time.tv_nsec); |
| osmo_clock_override_add(CLOCK_REALTIME, 0, 500000*1000); |
| loops++; |
| } |
| cerr << "now: " << Timeval() << " then: " << then << " remaining: " << then.remaining() << endl; |
| assert(then.remaining() == -10); |
| assert(loops == 20); |
| |
| printf("Done\n"); |
| } |