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niksis02
d383e1f32f
The body stream is now wrapped in a `bodyStreamTracker` before the handler touches it, which remembers the stream's first terminal result rather than asking fasthttp a second, unsafe question. `io.EOF` means the body was read out in full and the connection is still in sync; no terminal result means the handler stopped partway, so the leftovers are drained the way a `Content-Length` body already was; a framing error means nothing decodable is left and the connection cannot carry another request. `fasthttp.Request.SetBodyStream` cannot install the wrapper, as it releases the current `*requestStream` back to its pool, so `requestBodyStream` is now the accessor every body reader takes the stream from. Broken framing no longer gives up on draining either. The connection is closed either way, so a bounded read off the raw socket costs nothing and lets the client finish its write and read the S3 error instead of a reset.