connection: Don't double-buffer TCP stream #102
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UnsecuredStream doesn't need to be wrapped in a BufWriter since write_all() passes the entire buffer-to-send until the OS has written it out.[1] And it doesn't need to be wrapped in a BufReader since HttpStreamBytes (in response.rs) wraps the whole HttpStream in a BufReader. Both of these cases cause us to use a little extra memory and copy bytes twice when we only need to copy once. [1]: https://doc.rust-lang.org/src/std/io/mod.rs.html#1620-1635
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Good points! Makes the code cleaner as well. Thanks for the PR, I appreciate it :) |
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UnsecuredStream doesn't need to be wrapped in a BufWriter since write_all() passes the entire buffer-to-send to the underlying TCP stream.1 And it doesn't need to be wrapped in a BufReader since HttpStreamBytes (in response.rs) wraps the whole HttpStream in a BufReader. Both of these cases cause us to use a little extra memory and copy bytes twice when we only need to copy once.