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# frozen-string-literal: true
using Plum::BinaryString
module Plum
class Frame::Ping < Frame
register_subclass 0x06
# Creates a PING frame.
# @overload ping(ack, payload)
# @param ack [Symbol] Pass :ack to create an ACK frame.
# @param payload [String] 8 bytes length data to send.
# @overload ping(payload = "plum\x00\x00\x00\x00")
# @param payload [String] 8 bytes length data to send.
def initialize(arg1 = "plum\x00\x00\x00\x00".b, arg2 = nil)
if !arg2
raise ArgumentError.new("data must be 8 octets") if arg1.bytesize != 8
arg1 = arg1.b if arg1.encoding != Encoding::BINARY
initialize_base(type: :ping, stream_id: 0, payload: arg1)
else
initialize_base(type: :ping, stream_id: 0, flags: [:ack], payload: arg2)
end
end
end
end
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