80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
//
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//
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// Copyright 2015 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//
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#include <chrono>
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#include <cstdint>
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#include <grpc/support/time.h>
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#include <grpcpp/support/time.h>
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// IWYU pragma: no_include <ratio>
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using std::chrono::duration_cast;
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using std::chrono::high_resolution_clock;
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using std::chrono::nanoseconds;
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using std::chrono::seconds;
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using std::chrono::system_clock;
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namespace grpc {
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void Timepoint2Timespec(const system_clock::time_point& from,
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gpr_timespec* to) {
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system_clock::duration deadline = from.time_since_epoch();
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seconds secs = duration_cast<seconds>(deadline);
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if (from == system_clock::time_point::max() ||
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secs.count() >= gpr_inf_future(GPR_CLOCK_REALTIME).tv_sec ||
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secs.count() < 0) {
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*to = gpr_inf_future(GPR_CLOCK_REALTIME);
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return;
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}
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nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs);
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to->tv_sec = static_cast<int64_t>(secs.count());
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to->tv_nsec = static_cast<int32_t>(nsecs.count());
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to->clock_type = GPR_CLOCK_REALTIME;
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}
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void TimepointHR2Timespec(const high_resolution_clock::time_point& from,
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gpr_timespec* to) {
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high_resolution_clock::duration deadline = from.time_since_epoch();
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seconds secs = duration_cast<seconds>(deadline);
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if (from == high_resolution_clock::time_point::max() ||
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secs.count() >= gpr_inf_future(GPR_CLOCK_REALTIME).tv_sec ||
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secs.count() < 0) {
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*to = gpr_inf_future(GPR_CLOCK_REALTIME);
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return;
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}
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nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs);
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to->tv_sec = static_cast<int64_t>(secs.count());
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to->tv_nsec = static_cast<int32_t>(nsecs.count());
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to->clock_type = GPR_CLOCK_REALTIME;
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}
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system_clock::time_point Timespec2Timepoint(gpr_timespec t) {
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if (gpr_time_cmp(t, gpr_inf_future(t.clock_type)) == 0) {
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return system_clock::time_point::max();
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}
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t = gpr_convert_clock_type(t, GPR_CLOCK_REALTIME);
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system_clock::time_point tp;
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tp += duration_cast<system_clock::time_point::duration>(seconds(t.tv_sec));
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tp +=
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duration_cast<system_clock::time_point::duration>(nanoseconds(t.tv_nsec));
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return tp;
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}
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} // namespace grpc
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