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In #10207 it was clear there was some confusion with the current connection logic. To analyse the flow to make sure there was no poll stalling, I ended up with the following refactor. Notable changes: 1. Now all functions called `poll_xyz` and that have a `cx: &mut Context` argument must return a `Poll<_>` type, and can only return `Pending` iff an internal poll call also returned `Pending` 2. State management is handled entirely by `poll_messages`. There are now only 2 states which makes it much easier to keep track of. Each commit should be self-reviewable and should be simple to verify that it keeps the same behaviour
This directory contains libraries that are specific for proxy.
Currently, it contains a signficant fork/refactoring of rust-postgres that no longer reflects the API of the original library. Since it was so significant, it made sense to upgrade it to it's own set of libraries.
Proxy needs unique access to the protocol, which explains why such heavy modifications were necessary.