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instance method

OpenSSL::SSL::SSLSocket#connect_nonblock

(?exception: true) -> self

(exception: false) -> (self | :wait_readable | :wait_writable)

ssl.connect_nonblock → self

ssl.connect_nonblock(exception: false) → self, :wait_readable, or :wait_writable

ext/openssl/lib/openssl/ssl.rb View on GitHub ↗

# File tmp/rubies/ruby-4.1.0-preview1/ext/openssl/lib/openssl/ssl.rb, line 453
def connect_nonblock(exception: true)
  ret = ssl_connect
  check_nonblock(ret) if exception
  ret
end

Initiates the SSL/TLS handshake as a client in non-blocking manner.

Example

# emulates blocking connect
begin
  ssl.connect_nonblock
rescue IO::WaitReadable
  IO.select([s2])
  retry
rescue IO::WaitWritable
  IO.select(nil, [s2])
  retry
end

By specifying a keyword argument exception to false, you can indicate that connect_nonblock should not raise an IO::WaitReadable or IO::WaitWritable exception, but return the symbol :wait_readable or :wait_writable instead.

See also #connect #export_keying_material #close_write #finished_message also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0

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