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film42/socket_tricks.rb

Last active October 15, 2015 14:40
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socket_tricks.rb
require "socket"
# Detect if a socket is in CLOSE_WAIT
def socket_in_close_wait?(socket)
# Will return empty string on EOF (closed socket)
socket.recv_nonblock(1, ::Socket::MSG_PEEK) == ""
rescue IO::WaitReadable
false
end
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