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Cohttp_async.Body.is_empty should return true iff pipe is empty #712

Merged
merged 1 commit into from
Sep 9, 2020
Merged

Cohttp_async.Body.is_empty should return true iff pipe is empty #712

merged 1 commit into from
Sep 9, 2020

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anuragsoni
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Before this change i was seeing the following:

Body.is_empty (`Pipe (Pipe.of_list [""; "foo"])) = true
Body.is_empty (`Pipe (Pipe.of_list [])) = false

Signed-off-by: Anurag Soni [email protected]

@anuragsoni
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This should align the behavior with Cohttp_lwt's Lwt_stream handling.

On a related note, I also noticed that cohttp considers String "" as an empty body, but Strings [""], Stream (Lwt_stream.of_list [""]), and now Pipe (Pipe.of_list [""]) will not be considered as empty. I'm wondering if it'd make sense to treat the various forms of list [""] bodies as empty as they don't contain any bytes?

@anuragsoni anuragsoni changed the title Cohttp_async.Body.is_empty should return iff pipe is empty Cohttp_async.Body.is_empty should return true iff pipe is empty Sep 9, 2020
@mseri
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mseri commented Sep 9, 2020

I agree that it would make sense to consider also empty lists as empty. Would you mind adding the change?

@mseri
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mseri commented Sep 9, 2020

As an aside, please have a look at #692 Any feedback welcome.

@anuragsoni
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I agree that it would make sense to consider also empty lists as empty. Would you mind adding the change?

@mseri I will put up a PR for discussion, but i think it might be better to do that as a separate PR so this commit can be about fixing the bug in the async Body module. What do you think? I will be able to put up a PR later today or tomorrow.

Thanks!

@mseri
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mseri commented Sep 9, 2020

Sounds good to me

@mseri mseri merged commit 0203382 into mirage:master Sep 9, 2020
@anuragsoni anuragsoni deleted the async-body-pipe-is-empty branch September 9, 2020 13:59
@anuragsoni anuragsoni mentioned this pull request Sep 9, 2020
Closed
mseri added a commit to mseri/opam-repository that referenced this pull request Nov 2, 2020
@mseri
[new release] cohttp-lwt-unix-nossl, cohttp-lwt-jsoo, cohttp, cohttp-…
25a4517 
…lwt, cohttp-lwt-unix, cohttp-lwt-unix-ssl, cohttp-top, cohttp-async and cohttp-mirage (3.0.0)

CHANGES:

- cohttp: update HTTP codes (@emillon mirage/ocaml-cohttp#711)
- cohttp: add Uti.t to uri scheme (@brendanlong mirage/ocaml-cohttp#707)
- cohttp: fix chunked encoding of empty body (@mefyl mirage/ocaml-cohttp#715)
- cohttp-async: fix body not being uploaded with unchunked Async.Pipe (@mefyl mirage/ocaml-cohttp#706)
- cohttp-{async, lwt}: fix suprising behaviours of Body.is_empty (@anuragsoni mirage/ocaml-cohttp#714 mirage/ocaml-cohttp#712 mirage/ocaml-cohttp#713)
- port to conduit 3.0.0: minor breaking changes on the server API, an explicit distinction
  between cohttp-lwt-unix (using tls), cohttp-lwt-notls and cohttp-lwt-ssl (using lwt_ssl),
  and includes ssl in cohttp-async (@dinosaure mirage/ocaml-cohttp#692)
- cohttp-lwt-jsoo: rename Cohttp_lwt_xhr to Cohttp_lwt_jsoo for consistency (@mseri mirage/ocaml-cohttp#717)
- refactoring of tests (@mseri mirage/ocaml-cohttp#709, @dinosaure mirage/ocaml-cohttp#692)
- update documentation (@dinosaure mirage/ocaml-cohttp#716, @mseri mirage/ocaml-cohttp#720)
- cohttp: fix transfer-encoding ordering in headers (@mseri mirage/ocaml-cohttp#721)
- lower-level support for long-running cohttp-async connections (@brendanlong mirage/ocaml-cohttp#704)
- fix deadlock in logging (@dinosaure mirage/ocaml-cohttp#722)
- add of_form and to_form functions to body (@seliopou mirage/ocaml-cohttp#440, @mseri mirage/ocaml-cohttp#723)
- cohttp-lwt: partly inline read_response, fix body stream leak (@madroach @dinosaure mirage/ocaml-cohttp#696)
- improve media type parsing (@seliopou mirage/ocaml-cohttp#542, @dinosaure mirage/ocaml-cohttp#725)
- add comparison functions for Request.t and Response.t via ppx_compare (@msaffer-js @dinosaure mirage/ocaml-cohttp#686)
@mseri mseri mentioned this pull request Nov 3, 2020
Merged
mseri added a commit to mseri/opam-repository that referenced this pull request Nov 5, 2020
@mseri
[new release] cohttp-lwt-unix-nossl, cohttp-lwt-jsoo, cohttp, cohttp-…
39cc039 
…lwt, cohttp-lwt-unix, cohttp-lwt-unix-ssl, cohttp-top, cohttp-async and cohttp-mirage (3.0.0)

CHANGES:

- cohttp: update HTTP codes (@emillon mirage/ocaml-cohttp#711)
- cohttp: add Uti.t to uri scheme (@brendanlong mirage/ocaml-cohttp#707)
- cohttp: fix chunked encoding of empty body (@mefyl mirage/ocaml-cohttp#715)
- cohttp-async: fix body not being uploaded with unchunked Async.Pipe (@mefyl mirage/ocaml-cohttp#706)
- cohttp-{async, lwt}: fix suprising behaviours of Body.is_empty (@anuragsoni mirage/ocaml-cohttp#714 mirage/ocaml-cohttp#712 mirage/ocaml-cohttp#713)
- port to conduit 3.0.0: minor breaking changes on the server API, an explicit distinction
  between cohttp-lwt-unix (using tls), cohttp-lwt-notls and cohttp-lwt-ssl (using lwt_ssl),
  and includes ssl in cohttp-async (@dinosaure mirage/ocaml-cohttp#692)
- cohttp-lwt-jsoo: rename Cohttp_lwt_xhr to Cohttp_lwt_jsoo for consistency (@mseri mirage/ocaml-cohttp#717)
- refactoring of tests (@mseri mirage/ocaml-cohttp#709, @dinosaure mirage/ocaml-cohttp#692)
- update documentation (@dinosaure mirage/ocaml-cohttp#716, @mseri mirage/ocaml-cohttp#720)
- cohttp: fix transfer-encoding ordering in headers (@mseri mirage/ocaml-cohttp#721)
- lower-level support for long-running cohttp-async connections (@brendanlong mirage/ocaml-cohttp#704)
- fix deadlock in logging (@dinosaure mirage/ocaml-cohttp#722)
- add of_form and to_form functions to body (@seliopou mirage/ocaml-cohttp#440, @mseri mirage/ocaml-cohttp#723)
- cohttp-lwt: partly inline read_response, fix body stream leak (@madroach @dinosaure mirage/ocaml-cohttp#696)
- improve media type parsing (@seliopou mirage/ocaml-cohttp#542, @dinosaure mirage/ocaml-cohttp#725)
- add comparison functions for Request.t and Response.t via ppx_compare (@msaffer-js @dinosaure mirage/ocaml-cohttp#686)
mseri added a commit to mseri/opam-repository that referenced this pull request Nov 5, 2020
@mseri
[new release] cohttp-lwt-unix-nossl, cohttp-lwt-jsoo, cohttp, cohttp-…
962160d 
…lwt, cohttp-lwt-unix, cohttp-lwt-unix-ssl, cohttp-top, cohttp-async and cohttp-mirage (3.0.0)

CHANGES:

- cohttp: update HTTP codes (@emillon mirage/ocaml-cohttp#711)
- cohttp: add Uti.t to uri scheme (@brendanlong mirage/ocaml-cohttp#707)
- cohttp: fix chunked encoding of empty body (@mefyl mirage/ocaml-cohttp#715)
- cohttp-async: fix body not being uploaded with unchunked Async.Pipe (@mefyl mirage/ocaml-cohttp#706)
- cohttp-{async, lwt}: fix suprising behaviours of Body.is_empty (@anuragsoni mirage/ocaml-cohttp#714 mirage/ocaml-cohttp#712 mirage/ocaml-cohttp#713)
- port to conduit 3.0.0: minor breaking changes on the server API, an explicit distinction
  between cohttp-lwt-unix (using tls), cohttp-lwt-notls and cohttp-lwt-ssl (using lwt_ssl),
  and includes ssl in cohttp-async (@dinosaure mirage/ocaml-cohttp#692)
- cohttp-lwt-jsoo: rename Cohttp_lwt_xhr to Cohttp_lwt_jsoo for consistency (@mseri mirage/ocaml-cohttp#717)
- refactoring of tests (@mseri mirage/ocaml-cohttp#709, @dinosaure mirage/ocaml-cohttp#692)
- update documentation (@dinosaure mirage/ocaml-cohttp#716, @mseri mirage/ocaml-cohttp#720)
- cohttp: fix transfer-encoding ordering in headers (@mseri mirage/ocaml-cohttp#721)
- lower-level support for long-running cohttp-async connections (@brendanlong mirage/ocaml-cohttp#704)
- fix deadlock in logging (@dinosaure mirage/ocaml-cohttp#722)
- add of_form and to_form functions to body (@seliopou mirage/ocaml-cohttp#440, @mseri mirage/ocaml-cohttp#723)
- cohttp-lwt: partly inline read_response, fix body stream leak (@madroach @dinosaure mirage/ocaml-cohttp#696)
- improve media type parsing (@seliopou mirage/ocaml-cohttp#542, @dinosaure mirage/ocaml-cohttp#725)
- add comparison functions for Request.t and Response.t via ppx_compare (@msaffer-js @dinosaure mirage/ocaml-cohttp#686)
mseri added a commit to mseri/opam-repository that referenced this pull request Nov 5, 2020
@mseri
[new release] cohttp-lwt-unix-nossl, cohttp-lwt-jsoo, cohttp, cohttp-…
8647f38 
…lwt, cohttp-lwt-unix, cohttp-lwt-unix-ssl, cohttp-top, cohttp-async and cohttp-mirage (3.0.0)

CHANGES:

- cohttp: update HTTP codes (@emillon mirage/ocaml-cohttp#711)
- cohttp: add Uti.t to uri scheme (@brendanlong mirage/ocaml-cohttp#707)
- cohttp: fix chunked encoding of empty body (@mefyl mirage/ocaml-cohttp#715)
- cohttp-async: fix body not being uploaded with unchunked Async.Pipe (@mefyl mirage/ocaml-cohttp#706)
- cohttp-{async, lwt}: fix suprising behaviours of Body.is_empty (@anuragsoni mirage/ocaml-cohttp#714 mirage/ocaml-cohttp#712 mirage/ocaml-cohttp#713)
- port to conduit 3.0.0: minor breaking changes on the server API, an explicit distinction
  between cohttp-lwt-unix (using tls), cohttp-lwt-notls and cohttp-lwt-ssl (using lwt_ssl),
  and includes ssl in cohttp-async (@dinosaure mirage/ocaml-cohttp#692)
- cohttp-lwt-jsoo: rename Cohttp_lwt_xhr to Cohttp_lwt_jsoo for consistency (@mseri mirage/ocaml-cohttp#717)
- refactoring of tests (@mseri mirage/ocaml-cohttp#709, @dinosaure mirage/ocaml-cohttp#692)
- update documentation (@dinosaure mirage/ocaml-cohttp#716, @mseri mirage/ocaml-cohttp#720)
- cohttp: fix transfer-encoding ordering in headers (@mseri mirage/ocaml-cohttp#721)
- lower-level support for long-running cohttp-async connections (@brendanlong mirage/ocaml-cohttp#704)
- fix deadlock in logging (@dinosaure mirage/ocaml-cohttp#722)
- add of_form and to_form functions to body (@seliopou mirage/ocaml-cohttp#440, @mseri mirage/ocaml-cohttp#723)
- cohttp-lwt: partly inline read_response, fix body stream leak (@madroach @dinosaure mirage/ocaml-cohttp#696)
- improve media type parsing (@seliopou mirage/ocaml-cohttp#542, @dinosaure mirage/ocaml-cohttp#725)
- add comparison functions for Request.t and Response.t via ppx_compare (@msaffer-js @dinosaure mirage/ocaml-cohttp#686)
@mseri mseri mentioned this pull request Mar 24, 2021
Merged
mseri added a commit to mseri/opam-repository that referenced this pull request Mar 24, 2021
@mseri
[new release] cohttp-lwt-jsoo, cohttp, cohttp-lwt, cohttp-lwt-unix, c…
3712b50 
…ohttp-top, cohttp-async and cohttp-mirage (4.0.0)

CHANGES:

- cohttp.response: fix malformed status header for custom status codes (@mseri @aalekseyev mirage/ocaml-cohttp#752)
- Remove dependency to base (@samoht mirage/ocaml-cohttp#745)
- fix opam files and dependencies
- add GitHub Actions workflow (@smorimoto mirage/ocaml-cohttp#739)
- lwt_jsoo: Forward exceptions to caller when response is null (@mefyl mirage/ocaml-cohttp#738)
- Remove wrapped false (@rgrinberg mirage/ocaml-cohttp#734)
- Use implicit executable dependency for generate.exe (@TheLortex mirage/ocaml-cohttp#735)
- cohttp: update HTTP codes (@emillon mirage/ocaml-cohttp#711)
- cohttp: add Uti.t to uri scheme (@brendanlong mirage/ocaml-cohttp#707)
- cohttp: fix chunked encoding of empty body (@mefyl mirage/ocaml-cohttp#715)
- cohttp-async: fix body not being uploaded with unchunked Async.Pipe (@mefyl mirage/ocaml-cohttp#706)
- cohttp-{async, lwt}: fix suprising behaviours of Body.is_empty (@anuragsoni mirage/ocaml-cohttp#714 mirage/ocaml-cohttp#712 mirage/ocaml-cohttp#713)
- cohttp-lwt-jsoo: rename Cohttp_lwt_xhr to Cohttp_lwt_jsoo for consistency (@mseri mirage/ocaml-cohttp#717)
- refactoring of tests (@mseri mirage/ocaml-cohttp#709, @dinosaure mirage/ocaml-cohttp#692)
- update documentation (@dinosaure mirage/ocaml-cohttp#716, @mseri mirage/ocaml-cohttp#720)
- cohttp: fix transfer-encoding ordering in headers (@mseri mirage/ocaml-cohttp#721)
- lower-level support for long-running cohttp-async connections (@brendanlong mirage/ocaml-cohttp#704)
- fix deadlock in logging (@dinosaure mirage/ocaml-cohttp#722)
- add of_form and to_form functions to body (@seliopou mirage/ocaml-cohttp#440, @mseri mirage/ocaml-cohttp#723)
- cohttp-lwt: partly inline read_response, fix body stream leak (@madroach @dinosaure mirage/ocaml-cohttp#696)
- improve media type parsing (@seliopou mirage/ocaml-cohttp#542, @dinosaure mirage/ocaml-cohttp#725)
- add comparison functions for Request.t and Response.t via ppx_compare (@msaffer-js @dinosaure mirage/ocaml-cohttp#686)
- [reverted] breaking changes to client and server API to use conduit
  3.0.0 (@dinosaure mirage/ocaml-cohttp#692). However, as the design discussion did not reach
  consensus, these changes were reverted to preserve better compatibility with
  existing cohttp users. (mirage/ocaml-cohttp#741,  @samoht)
mseri added a commit to mseri/opam-repository that referenced this pull request Mar 25, 2021
@mseri
[new release] cohttp-lwt-jsoo, cohttp, cohttp-lwt, cohttp-lwt-unix, c…
2f7b4b2 
…ohttp-top, cohttp-async and cohttp-mirage (4.0.0)

CHANGES:

- cohttp.response: fix malformed status header for custom status codes (@mseri @aalekseyev mirage/ocaml-cohttp#752)
- Remove dependency to base (@samoht mirage/ocaml-cohttp#745)
- fix opam files and dependencies
- add GitHub Actions workflow (@smorimoto mirage/ocaml-cohttp#739)
- lwt_jsoo: Forward exceptions to caller when response is null (@mefyl mirage/ocaml-cohttp#738)
- Remove wrapped false (@rgrinberg mirage/ocaml-cohttp#734)
- Use implicit executable dependency for generate.exe (@TheLortex mirage/ocaml-cohttp#735)
- cohttp: update HTTP codes (@emillon mirage/ocaml-cohttp#711)
- cohttp: add Uti.t to uri scheme (@brendanlong mirage/ocaml-cohttp#707)
- cohttp: fix chunked encoding of empty body (@mefyl mirage/ocaml-cohttp#715)
- cohttp-async: fix body not being uploaded with unchunked Async.Pipe (@mefyl mirage/ocaml-cohttp#706)
- cohttp-{async, lwt}: fix suprising behaviours of Body.is_empty (@anuragsoni mirage/ocaml-cohttp#714 mirage/ocaml-cohttp#712 mirage/ocaml-cohttp#713)
- cohttp-lwt-jsoo: rename Cohttp_lwt_xhr to Cohttp_lwt_jsoo for consistency (@mseri mirage/ocaml-cohttp#717)
- refactoring of tests (@mseri mirage/ocaml-cohttp#709, @dinosaure mirage/ocaml-cohttp#692)
- update documentation (@dinosaure mirage/ocaml-cohttp#716, @mseri mirage/ocaml-cohttp#720)
- cohttp: fix transfer-encoding ordering in headers (@mseri mirage/ocaml-cohttp#721)
- lower-level support for long-running cohttp-async connections (@brendanlong mirage/ocaml-cohttp#704)
- fix deadlock in logging (@dinosaure mirage/ocaml-cohttp#722)
- add of_form and to_form functions to body (@seliopou mirage/ocaml-cohttp#440, @mseri mirage/ocaml-cohttp#723)
- cohttp-lwt: partly inline read_response, fix body stream leak (@madroach @dinosaure mirage/ocaml-cohttp#696)
- improve media type parsing (@seliopou mirage/ocaml-cohttp#542, @dinosaure mirage/ocaml-cohttp#725)
- add comparison functions for Request.t and Response.t via ppx_compare (@msaffer-js @dinosaure mirage/ocaml-cohttp#686)
- [reverted] breaking changes to client and server API to use conduit
  3.0.0 (@dinosaure mirage/ocaml-cohttp#692). However, as the design discussion did not reach
  consensus, these changes were reverted to preserve better compatibility with
  existing cohttp users. (mirage/ocaml-cohttp#741,  @samoht)
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2 participants
@anuragsoni @mseri