| # 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. |
| |
| require 'grpc/grpc' |
| |
| # GRPC contains the General RPC module. |
| module GRPC |
| module Core |
| # TimeConsts is a module from the C extension. |
| # |
| # Here it's re-opened to add a utility func. |
| module TimeConsts |
| # Converts a time delta to an absolute deadline. |
| # |
| # Assumes timeish is a relative time, and converts its to an absolute, |
| # with following exceptions: |
| # |
| # * if timish is one of the TimeConsts.TimeSpec constants the value is |
| # preserved. |
| # * timish < 0 => TimeConsts.INFINITE_FUTURE |
| # * timish == 0 => TimeConsts.ZERO |
| # |
| # @param timeish [Number|TimeSpec] |
| # @return timeish [Number|TimeSpec] |
| def from_relative_time(timeish) |
| if timeish.is_a? TimeSpec |
| timeish |
| elsif timeish.nil? |
| TimeConsts::ZERO |
| elsif !timeish.is_a? Numeric |
| fail(TypeError, |
| "Cannot make an absolute deadline from #{timeish.inspect}") |
| elsif timeish < 0 |
| TimeConsts::INFINITE_FUTURE |
| elsif timeish.zero? |
| TimeConsts::ZERO |
| else |
| Time.now + timeish |
| end |
| end |
| |
| module_function :from_relative_time |
| end |
| end |
| end |