Guard the websocket upgrade to only happen once for a request. #24759
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Without that guard in place it could happen multiple times as "basic.invoke(req, resp);" could lead to the invocation of another PipeLine executing the same code. Signed-off-by: Arjan Tijms <arjan.tijms@omnifish.ee>
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Jan 23, 2024
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Without that guard in place the websocket upgrade code could be executed multiple times as "basic.invoke(req, resp);" (just above the changed code) could lead to the invocation of another PipeLine executing the same code. This on its turn leads to various unwanted effects and exceptions.