search for: input_draining

...can't just free the channel on ~. because in the case where the network is not broken you'll get a channel close from the server for a non-existant channel and the mux master will fatal. what this patch does is add a new "ABANDONED" state, which is basically the same as CLOSED or INPUT_DRAINING except it's not counted as an active channel. the ~. sequence then sends a close on the channel and puts it into this state. if the server confirmation comes back the channel is freed as per normal, but if not it's just kept around but not used. Please try the attached patch (it's aga...