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# 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
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