offer_async

Description:

public async bool offer_async (HashTable<void*,void*>? @params) throws Error

Offer an outgoing stream tube.

When the tube has been offered, callback will be called. You can then call offer_async.end to get the result of the operation.

You have to connect to the incoming signal to get a StreamTubeConnection each time a contact establishes a connection to the tube.

this	an outgoing StreamTubeChannel
callback	a callback to call when the tube has been offered
params	parameters of the tube, or `null`
user_data	data to pass to `callback`