Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 0605995 | 2015-02-18 08:34:56 -0800 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include "src/cpp/util/time.h" |
| 35 | |
| 36 | #include <grpc/support/time.h> |
| 37 | |
| 38 | using std::chrono::duration_cast; |
| 39 | using std::chrono::nanoseconds; |
| 40 | using std::chrono::seconds; |
| 41 | using std::chrono::system_clock; |
| 42 | |
| 43 | namespace grpc { |
| 44 | |
yangg | 87da1b9 | 2014-12-11 15:57:37 -0800 | [diff] [blame] | 45 | // TODO(yangg) prevent potential overflow. |
Craig Tiller | ecd4934 | 2015-01-18 14:36:47 -0800 | [diff] [blame] | 46 | void Timepoint2Timespec(const system_clock::time_point &from, |
| 47 | gpr_timespec *to) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 48 | system_clock::duration deadline = from.time_since_epoch(); |
| 49 | seconds secs = duration_cast<seconds>(deadline); |
| 50 | nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs); |
| 51 | to->tv_sec = secs.count(); |
| 52 | to->tv_nsec = nsecs.count(); |
| 53 | } |
| 54 | |
yangg | 87da1b9 | 2014-12-11 15:57:37 -0800 | [diff] [blame] | 55 | system_clock::time_point Timespec2Timepoint(gpr_timespec t) { |
yangg | ed5e7e0 | 2015-01-06 10:16:15 -0800 | [diff] [blame] | 56 | if (gpr_time_cmp(t, gpr_inf_future) == 0) { |
| 57 | return system_clock::time_point::max(); |
| 58 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 59 | system_clock::time_point tp; |
rsilvera | 081e320 | 2014-12-16 15:57:35 -0800 | [diff] [blame] | 60 | tp += duration_cast<system_clock::time_point::duration>(seconds(t.tv_sec)); |
| 61 | tp += |
| 62 | duration_cast<system_clock::time_point::duration>(nanoseconds(t.tv_nsec)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 63 | return tp; |
| 64 | } |
| 65 | |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 66 | } // namespace grpc |