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 | |
yang-g | 9e2f90c | 2015-08-21 15:35:03 -0700 | [diff] [blame] | 34 | #include <grpc++/support/config.h> |
Nicolas Noble | 8921916 | 2015-04-07 18:01:18 -0700 | [diff] [blame] | 35 | |
| 36 | #ifndef GRPC_CXX0X_NO_CHRONO |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 37 | |
| 38 | #include <grpc/support/time.h> |
yang-g | 9e2f90c | 2015-08-21 15:35:03 -0700 | [diff] [blame] | 39 | #include <grpc++/support/time.h> |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 40 | |
| 41 | using std::chrono::duration_cast; |
| 42 | using std::chrono::nanoseconds; |
| 43 | using std::chrono::seconds; |
| 44 | using std::chrono::system_clock; |
Vijay Pai | 372fd87 | 2015-06-08 13:30:08 -0700 | [diff] [blame] | 45 | using std::chrono::high_resolution_clock; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 46 | |
| 47 | namespace grpc { |
| 48 | |
Yang Gao | 6baa9b6 | 2015-03-17 10:49:39 -0700 | [diff] [blame] | 49 | void Timepoint2Timespec(const system_clock::time_point& from, |
| 50 | gpr_timespec* to) { |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 51 | system_clock::duration deadline = from.time_since_epoch(); |
| 52 | seconds secs = duration_cast<seconds>(deadline); |
Yang Gao | cdb2a6e | 2015-03-20 23:55:04 -0700 | [diff] [blame] | 53 | if (from == system_clock::time_point::max() || |
Craig Tiller | 143e7bf | 2015-07-13 08:41:49 -0700 | [diff] [blame] | 54 | secs.count() >= gpr_inf_future(GPR_CLOCK_REALTIME).tv_sec || |
| 55 | secs.count() < 0) { |
| 56 | *to = gpr_inf_future(GPR_CLOCK_REALTIME); |
Yang Gao | cdb2a6e | 2015-03-20 23:55:04 -0700 | [diff] [blame] | 57 | return; |
| 58 | } |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 59 | nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs); |
Craig Tiller | 0445684 | 2015-09-23 10:07:16 -0700 | [diff] [blame] | 60 | to->tv_sec = (time_t)secs.count(); |
| 61 | to->tv_nsec = (int)nsecs.count(); |
Craig Tiller | 354398f | 2015-07-13 09:16:03 -0700 | [diff] [blame] | 62 | to->clock_type = GPR_CLOCK_REALTIME; |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 63 | } |
| 64 | |
Vijay Pai | 372fd87 | 2015-06-08 13:30:08 -0700 | [diff] [blame] | 65 | void TimepointHR2Timespec(const high_resolution_clock::time_point& from, |
| 66 | gpr_timespec* to) { |
| 67 | high_resolution_clock::duration deadline = from.time_since_epoch(); |
| 68 | seconds secs = duration_cast<seconds>(deadline); |
| 69 | if (from == high_resolution_clock::time_point::max() || |
Craig Tiller | 143e7bf | 2015-07-13 08:41:49 -0700 | [diff] [blame] | 70 | secs.count() >= gpr_inf_future(GPR_CLOCK_REALTIME).tv_sec || |
| 71 | secs.count() < 0) { |
| 72 | *to = gpr_inf_future(GPR_CLOCK_REALTIME); |
Vijay Pai | 372fd87 | 2015-06-08 13:30:08 -0700 | [diff] [blame] | 73 | return; |
| 74 | } |
| 75 | nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs); |
Craig Tiller | 0445684 | 2015-09-23 10:07:16 -0700 | [diff] [blame] | 76 | to->tv_sec = (time_t)secs.count(); |
| 77 | to->tv_nsec = (int)nsecs.count(); |
Craig Tiller | 354398f | 2015-07-13 09:16:03 -0700 | [diff] [blame] | 78 | to->clock_type = GPR_CLOCK_REALTIME; |
Vijay Pai | 372fd87 | 2015-06-08 13:30:08 -0700 | [diff] [blame] | 79 | } |
| 80 | |
yangg | 87da1b9 | 2014-12-11 15:57:37 -0800 | [diff] [blame] | 81 | system_clock::time_point Timespec2Timepoint(gpr_timespec t) { |
Craig Tiller | 94329d0 | 2015-07-23 09:52:11 -0700 | [diff] [blame] | 82 | if (gpr_time_cmp(t, gpr_inf_future(t.clock_type)) == 0) { |
yangg | ed5e7e0 | 2015-01-06 10:16:15 -0800 | [diff] [blame] | 83 | return system_clock::time_point::max(); |
| 84 | } |
Craig Tiller | 94329d0 | 2015-07-23 09:52:11 -0700 | [diff] [blame] | 85 | t = gpr_convert_clock_type(t, GPR_CLOCK_REALTIME); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 86 | system_clock::time_point tp; |
rsilvera | 081e320 | 2014-12-16 15:57:35 -0800 | [diff] [blame] | 87 | tp += duration_cast<system_clock::time_point::duration>(seconds(t.tv_sec)); |
| 88 | tp += |
| 89 | duration_cast<system_clock::time_point::duration>(nanoseconds(t.tv_nsec)); |
Nicolas Noble | b7ebd3b | 2014-11-26 16:33:03 -0800 | [diff] [blame] | 90 | return tp; |
| 91 | } |
| 92 | |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 93 | } // namespace grpc |
Nicolas Noble | 8921916 | 2015-04-07 18:01:18 -0700 | [diff] [blame] | 94 | |
| 95 | #endif // !GRPC_CXX0X_NO_CHRONO |