Feature #14703 ยป 0001-net-imap-set-SO_KEEPALIVE-on-TCP-sockets.patch
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end
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def tcp_socket(host, port)
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Socket.tcp(host, port, :connect_timeout => @open_timeout)
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s = Socket.tcp(host, port, :connect_timeout => @open_timeout)
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s.setsockopt(:SOL_SOCKET, :SO_KEEPALIVE, true)
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s
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rescue Errno::ETIMEDOUT
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raise Net::OpenTimeout, "Timeout to open TCP connection to " +
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"#{host}:#{port} (exceeds #{@open_timeout} seconds)"
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-
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