Module upgrade

middleware to handle branching into http upgrade services

See UpgradeService for more details.

Modules

• service
  upgrade service to handle branching into http upgrade services

Structs

• UpgradeLayer
  UpgradeLayer is a middleware that can be used to upgrade a request.
• UpgradeService
  Upgrade service can be used to handle the possibility of upgrading a request, after which it will pass down the transport RW to the attached upgrade service.
• Upgraded
  An opaque object to represent an upgraded connection, that is to be operated on as an abstract bytes stream.