This helps on binary size if we can successfully get all Foundation
imports out of our dep chain. It seems Foundation brings in a 30MiB ICU
blob, which bloats vmexec and vminitd.
- Downgrades a warning to the debug level in `BidirectionalRelay`
because the shutdown syscall isn't supported for certain socket types
- Rethrows an error if we can't start a socket relay
- Adds a public method to wait for the relay to complete when both
directions close
- Improves error handling
- Moves `UnixSocketRelayManager` into a separate file
- Renames `SocketRelay` to `UnixSocketRelay`
- Adds logs at the info level after converting other logs to the debug
level previously
Changes:
- Refactors a bidirectional relay into a new class
- Makes the unique identifier for a socket configuration public
Bug fixes:
- Fixes a bug where partial writes didn't advance the pointer
- Fixes a buffer memory leak
- Fixes error messages
- Fixes log messages
- Fixes log levels
Danny Canter