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# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2018-2020 MongoDB Inc.
#
# 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.
module Mongo
module Operation
class GetMore
# A MongoDB getMore operation sent as an op message.
#
# @api private
#
# @since 2.5.2
class OpMsg < OpMsgBase
include ExecutableTransactionLabel
include PolymorphicResult
include CommandBuilder
private
# Applies the relevant CSOT timeouts for a getMore command.
# Considers the cursor type and timeout mode and will add (or omit) a
# maxTimeMS field accordingly.
def apply_relevant_timeouts_to(spec, connection)
with_max_time(connection) do |max_time_sec|
timeout_ms = max_time_sec ? (max_time_sec * 1_000).to_i : nil
apply_get_more_timeouts_to(spec, timeout_ms)
end
end
def apply_get_more_timeouts_to(spec, timeout_ms)
view = context&.view
return spec unless view
if view.cursor_type == :tailable_await
# If timeoutMS is set, drivers MUST apply it to the original operation.
# Drivers MUST also apply the original timeoutMS value to each next
# call on the resulting cursor but MUST NOT use it to derive a
# maxTimeMS value for getMore commands. Helpers for operations that
# create tailable awaitData cursors MUST also support the
# maxAwaitTimeMS option. Drivers MUST error if this option is set,
# timeoutMS is set to a non-zero value, and maxAwaitTimeMS is greater
# than or equal to timeoutMS. If this option is set, drivers MUST use
# it as the maxTimeMS field on getMore commands.
max_await_time_ms = view.respond_to?(:max_await_time_ms) ? view.max_await_time_ms : nil
spec[:maxTimeMS] = max_await_time_ms if max_await_time_ms
end
spec
end
end
end
end
end
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