| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "src/cpp/util/time.h" |
| |
| #include <grpc/support/time.h> |
| |
| using std::chrono::duration_cast; |
| using std::chrono::nanoseconds; |
| using std::chrono::seconds; |
| using std::chrono::system_clock; |
| |
| namespace grpc { |
| |
| void Timepoint2Timespec(const system_clock::time_point& from, |
| gpr_timespec* to) { |
| system_clock::duration deadline = from.time_since_epoch(); |
| seconds secs = duration_cast<seconds>(deadline); |
| if (from == system_clock::time_point::max() || |
| secs.count() >= gpr_inf_future.tv_sec || secs.count() < 0) { |
| *to = gpr_inf_future; |
| return; |
| } |
| nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs); |
| to->tv_sec = secs.count(); |
| to->tv_nsec = nsecs.count(); |
| } |
| |
| system_clock::time_point Timespec2Timepoint(gpr_timespec t) { |
| if (gpr_time_cmp(t, gpr_inf_future) == 0) { |
| return system_clock::time_point::max(); |
| } |
| system_clock::time_point tp; |
| tp += duration_cast<system_clock::time_point::duration>(seconds(t.tv_sec)); |
| tp += |
| duration_cast<system_clock::time_point::duration>(nanoseconds(t.tv_nsec)); |
| return tp; |
| } |
| |
| } // namespace grpc |