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# frozen_string_literal: true
module Ethon
class Multi
# This module provides the multi stack behaviour.
module Stack
# Return easy handles.
#
# @example Return easy handles.
# multi.easy_handles
#
# @return [ Array ] The easy handles.
def easy_handles
@easy_handles ||= []
end
# Add an easy to the stack.
#
# @example Add easy.
# multi.add(easy)
#
# @param [ Easy ] easy The easy to add.
#
# @raise [ Ethon::Errors::MultiAdd ] If adding an easy failed.
def add(easy)
return nil if easy_handles.include?(easy)
code = Curl.multi_add_handle(handle, easy.handle)
raise Errors::MultiAdd.new(code, easy) unless code == :ok
easy_handles << easy
end
# Delete an easy from stack.
#
# @example Delete easy from stack.
#
# @param [ Easy ] easy The easy to delete.
#
# @raise [ Ethon::Errors::MultiRemove ] If removing an easy failed.
def delete(easy)
if easy_handles.delete(easy)
code = Curl.multi_remove_handle(handle, easy.handle)
raise Errors::MultiRemove.new(code, handle) unless code == :ok
end
end
end
end
end
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