82461f0511
Motivation: The requirement for the masking of frames and for checks of correct masking in the websocket specifiation have a large impact on performance. While it is mandatory for browsers to use masking there are other applications (like IPC protocols) that want to user websocket framing and proxy-traversing characteristics without the overhead of masking. The websocket standard also mentions that the requirement for mask verification on server side might be dropped in future. Modifications: Added an optional parameter allowMaskMismatch for the websocket decoder that allows a server to also accept unmasked frames (and clients to accept masked frames). Allowed to set this option through the websocket handshaker constructors as well as the websocket client and server handlers. The public API for existing components doesn't change, it will be forwarded to functions which implicetly set masking as required in the specification. For websocket clients an additional parameter is added that allows to disable the masking of frames that are sent by the client. Result: This update gives netty users the ability to create and use completely unmasked websocket connections in addition to the normal masked channels that the standard describes. |
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