Module: MaimaiNet::Client::ConnectionProtocol

Defined in:
lib/maimai_net/client.rb

Instance Method Summary collapse

Instance Method Details

#send_request(method, url, data, **opts) ⇒ Object

wraps connection method definition with auto-retry capability

Parameters:

  • opts (Hash)
  • retry_count (Hash) —

    a customizable set of options

Raises:

  • (Error::RetryExhausted) —

    upon attempting to exceed the allowed amount of attempts for retrying the request.



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# File 'lib/maimai_net/client.rb', line 492

def send_request(method, url, data, **opts)
  fail NotImplementedError, 'connection is not defined' if @conn.nil?

  # skip the wrapping if had been called recently
  # * does not take account on "hooked" calls
  prependers = self.class.ancestors
  prependers.slice! (prependers.index(self.class)..)

  stack = caller_locations(1).select do |trace| __method__.id2name == trace.label end.first(prependers.size)
  if stack.size > 0 then
    prev = stack[prependers.reverse.index(ConnectionProtocol)]
    return super if __method__.id2name == prev.label # do not wrap further if it's a super call
  end

  max_count = retry_count = Integer === opts[:retry_count] ? opts[:retry_count] : 3
  begin
    super
  rescue Error::RequestRetry
    retry_count -= 1
    retry unless retry_count.negative?
    fail Error::RetryExhausted, "attempt exceeds #{max_count} retries"
  end
end