The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.5 KiB
75 lines
2.5 KiB
/* |
|
* |
|
* Copyright 2015 gRPC authors. |
|
* |
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
* you may not use this file except in compliance with the License. |
|
* You may obtain a copy of the License at |
|
* |
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
* |
|
* Unless required by applicable law or agreed to in writing, software |
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
* See the License for the specific language governing permissions and |
|
* limitations under the License. |
|
* |
|
*/ |
|
|
|
#include <grpc++/support/config.h> |
|
#include <grpc++/support/time.h> |
|
#include <grpc/support/time.h> |
|
|
|
using std::chrono::duration_cast; |
|
using std::chrono::high_resolution_clock; |
|
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(GPR_CLOCK_REALTIME).tv_sec || |
|
secs.count() < 0) { |
|
*to = gpr_inf_future(GPR_CLOCK_REALTIME); |
|
return; |
|
} |
|
nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs); |
|
to->tv_sec = (int64_t)secs.count(); |
|
to->tv_nsec = (int32_t)nsecs.count(); |
|
to->clock_type = GPR_CLOCK_REALTIME; |
|
} |
|
|
|
void TimepointHR2Timespec(const high_resolution_clock::time_point& from, |
|
gpr_timespec* to) { |
|
high_resolution_clock::duration deadline = from.time_since_epoch(); |
|
seconds secs = duration_cast<seconds>(deadline); |
|
if (from == high_resolution_clock::time_point::max() || |
|
secs.count() >= gpr_inf_future(GPR_CLOCK_REALTIME).tv_sec || |
|
secs.count() < 0) { |
|
*to = gpr_inf_future(GPR_CLOCK_REALTIME); |
|
return; |
|
} |
|
nanoseconds nsecs = duration_cast<nanoseconds>(deadline - secs); |
|
to->tv_sec = (int64_t)secs.count(); |
|
to->tv_nsec = (int32_t)nsecs.count(); |
|
to->clock_type = GPR_CLOCK_REALTIME; |
|
} |
|
|
|
system_clock::time_point Timespec2Timepoint(gpr_timespec t) { |
|
if (gpr_time_cmp(t, gpr_inf_future(t.clock_type)) == 0) { |
|
return system_clock::time_point::max(); |
|
} |
|
t = gpr_convert_clock_type(t, GPR_CLOCK_REALTIME); |
|
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
|
|
|