yamux stream destructor

[turuslan]

Description

• YamuxedConnection must hold weak_ptr<YamuxStream>
• ~YamuxStream must cleanup resources immediately
• remove YamuxedConnection cleanup timer
• fix yamux pending streams broken by this change

Motivation

close streams earlier to avoid CONNECTION_TOO_MANY_STREAMS

Current Implementation

streams are not closed until timer

Are you planning to do it yourself in a pull request ?

Maybe

[bismuth01]

Can this issue be assigned to me ?