implement new stream/future trap conditions
#215
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As of WebAssembly/component-model#524, we now trap if a guest tries to use a stream or future handle (besides dropping it) after it is "done" (see that PR for what "done" means). This required more careful tracking of the state of each end of the stream or future. In the process of debugging this into shape, I added some trace logging and addressed a couple of issues I noticed: - `wasi-http`'s `Response::into_http` wasn't noticing a non-empty buffer at the end of a stream - the `p3_http_middleware` test was not clearing its buffer before each read Signed-off-by: Joel Dice <joel.dice@fermyon.com>
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As of WebAssembly/component-model#524, we now trap if a guest tries to use a stream or future handle (besides dropping it) after it is "done" (see that PR for what "done" means). This required more careful tracking of the state of each end of the stream or future.
In the process of debugging this into shape, I added some trace logging and addressed a couple of issues I noticed:
wasi-http'sResponse::into_httpwasn't noticing a non-empty buffer at the end of a streamp3_http_middlewaretest was not clearing its buffer before each read