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# -*- frozen-string-literal: true -*-
using Plum::BinaryString
module Plum
module ConnectionUtils
# Sends local settings to the peer.
# @param kwargs [Hash<Symbol, Integer>]
def settings(**kwargs)
send_immediately Frame.settings(**kwargs)
update_local_settings(kwargs)
end
# Sends a PING frame to the peer.
# @param data [String] Must be 8 octets.
# @raise [ArgumentError] If the data is not 8 octets.
def ping(data = "plum\x00\x00\x00\x00")
send_immediately Frame.ping(data)
end
# Sends GOAWAY frame to the peer and closes the connection.
# @param error_type [Symbol] The error type to be contained in the GOAWAY frame.
def goaway(error_type = :no_error)
last_id = @max_stream_id
send_immediately Frame.goaway(last_id, error_type)
end
# Returns whether peer enables server push or not
def push_enabled?
@remote_settings[:enable_push] == 1
end
private
def update_local_settings(new_settings)
old_settings = @local_settings.dup
@local_settings.merge!(new_settings)
@hpack_decoder.limit = @local_settings[:header_table_size]
update_recv_initial_window_size(@local_settings[:initial_window_size] - old_settings[:initial_window_size])
end
end
end
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