feat(awc): allow to retrieve request head in client response

[joelwurtz]

PR Type

Feat

PR Checklist

• Tests for the changes have been added / updated.
• Documentation comments have been added / updated.
• A changelog entry has been made for the appropriate packages.
• Format code with the latest stable rustfmt.
• (Team) Label with affected crates and semver status.

Overview

This pr will allow to add the request head used to send the request to server into the response, this allow by example retrieving the final url in case of a redirect

(This can also be used by other middleware to log a request / response pair also)

Fix #3403

[rharish101]

I'm getting this error when compiling awc from this branch (as a dependency in another project):

error[E0277]: the trait bound `actix_http::h1::Message<(RequestHeadType, BodySize)>: From<(&mut RequestHeadType, BodySize)>` is not satisfied
  --> /home/rharish/.cargo/git/checkouts/actix-web-aacbeff6ed990534/adf3a06/awc/src/client/h1proto.rs:89:50
   |
89 |         pin_framed.send((&mut head, body.size()).into()).await?;
   |                                                  ^^^^ the trait `From<(&mut RequestHeadType, BodySize)>` is not implemented for `actix_http::h1::Message<(RequestHeadType, BodySize)>`, which is required by `(&mut RequestHeadType, BodySize): Into<_>`
   |
   = help: the trait `From<(RequestHeadType, BodySize)>` is implemented for `actix_http::h1::Message<(RequestHeadType, BodySize)>`
   = help: for that trait implementation, expected `RequestHeadType`, found `&mut RequestHeadType`
   = note: required for `(&mut RequestHeadType, BodySize)` to implement `Into<actix_http::h1::Message<(RequestHeadType, BodySize)>>`

error[E0277]: the trait bound `actix_http::h1::Message<(RequestHeadType, BodySize)>: From<(&mut RequestHeadType, BodySize)>` is not satisfied
  --> /home/rharish/.cargo/git/checkouts/actix-web-aacbeff6ed990534/adf3a06/awc/src/client/h1proto.rs:99:50
   |
99 |         pin_framed.feed((&mut head, body.size()).into()).await?;
   |                                                  ^^^^ the trait `From<(&mut RequestHeadType, BodySize)>` is not implemented for `actix_http::h1::Message<(RequestHeadType, BodySize)>`, which is required by `(&mut RequestHeadType, BodySize): Into<_>`
   |
   = help: the trait `From<(RequestHeadType, BodySize)>` is implemented for `actix_http::h1::Message<(RequestHeadType, BodySize)>`
   = help: for that trait implementation, expected `RequestHeadType`, found `&mut RequestHeadType`
   = note: required for `(&mut RequestHeadType, BodySize)` to implement `Into<actix_http::h1::Message<(RequestHeadType, BodySize)>>`

error[E0277]: the trait bound `actix_http::h1::Message<(RequestHeadType, BodySize)>: From<(&mut RequestHeadType, BodySize)>` is not satisfied
   --> /home/rharish/.cargo/git/checkouts/actix-web-aacbeff6ed990534/adf3a06/awc/src/client/h1proto.rs:147:45
    |
147 |     framed.send((&mut head, BodySize::None).into()).await?;
    |                                             ^^^^ the trait `From<(&mut RequestHeadType, BodySize)>` is not implemented for `actix_http::h1::Message<(RequestHeadType, BodySize)>`, which is required by `(&mut RequestHeadType, BodySize): Into<_>`
    |
    = help: the trait `From<(RequestHeadType, BodySize)>` is implemented for `actix_http::h1::Message<(RequestHeadType, BodySize)>`
    = help: for that trait implementation, expected `RequestHeadType`, found `&mut RequestHeadType`
    = note: required for `(&mut RequestHeadType, BodySize)` to implement `Into<actix_http::h1::Message<(RequestHeadType, BodySize)>>`

For more information about this error, try `rustc --explain E0277`.
error: could not compile `awc` (lib) due to 3 previous errors

[joelwurtz]

This is because there was a change in actix-http in order for this to work, you have to use this branch for actix http also