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845bdd941e
For very high performance systems, we're going to want to be able to simply push the value reported from the server down onto clients. If we report realtime now, then all wrapped languages are going to assume it, meaning that such a change will be impossible later.
68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <limits>
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#include "grpc/grpc.h"
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#include "grpc/support/time.h"
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#include "timeval.h"
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namespace grpc {
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namespace node {
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gpr_timespec MillisecondsToTimespec(double millis) {
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if (millis == std::numeric_limits<double>::infinity()) {
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return gpr_inf_future(GPR_CLOCK_REALTIME);
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} else if (millis == -std::numeric_limits<double>::infinity()) {
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return gpr_inf_past(GPR_CLOCK_REALTIME);
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} else {
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return gpr_time_from_micros(static_cast<int64_t>(millis * 1000),
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GPR_CLOCK_REALTIME);
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}
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}
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double TimespecToMilliseconds(gpr_timespec timespec) {
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timespec = gpr_convert_clock_type(timespec, GPR_CLOCK_REALTIME);
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if (gpr_time_cmp(timespec, gpr_inf_future(GPR_CLOCK_REALTIME)) == 0) {
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return std::numeric_limits<double>::infinity();
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} else if (gpr_time_cmp(timespec, gpr_inf_past(GPR_CLOCK_REALTIME)) == 0) {
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return -std::numeric_limits<double>::infinity();
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} else {
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return (static_cast<double>(timespec.tv_sec) * 1000 +
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static_cast<double>(timespec.tv_nsec) / 1000000);
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}
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}
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} // namespace node
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} // namespace grpc
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