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net/http/httputil: make ReverseProxy forward 1xx responses #26088
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This requires #26089 (Server/Handler/ResponseWriter doesn't allowing sending arbitrary 1xx responses). |
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Change https://golang.org/cl/269997 mentions this issue: |
Change https://golang.org/cl/270157 mentions this issue: |
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Change https://golang.org/cl/291029 mentions this issue: |
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. In conformance with RFC 8297, if the status code is 103 the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang/go#26089. Fixes golang/go#36734. Updates golang/go#26088. Change-Id: Iadb7be92844a3588ef4ce044f887ef5c1792f431 GitHub-Last-Rev: eee95b5 GitHub-Pull-Request: #96 Reviewed-on: https://go-review.googlesource.com/c/net/+/291029 Run-TryBot: Damien Neil <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]> Reviewed-by: Damien Neil <[email protected]> TryBot-Result: Gopher Robot <[email protected]>
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang#26089. Fixes golang#36734. Updates golang#26088.
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes #26089 Fixes #36734 Updates #26088 Change-Id: Ib7023c1892c35e8915d4305dd7f6373dbd00a19d GitHub-Last-Rev: 06d749d GitHub-Pull-Request: #42597 Reviewed-on: https://go-review.googlesource.com/c/go/+/269997 Reviewed-by: Damien Neil <[email protected]> Reviewed-by: Ian Lance Taylor <[email protected]>
Support for 1xx responses has recently been merged in net/http (golang#42597). As discussed in this CL (https://go-review.googlesource.com/c/go/+/269997/comments/1ff70bef_c25a829a), support for forwarding 1xx responses in ReverseProxy has been extracted in this separate patch. According to RFC 7231, "a proxy MUST forward 1xx responses unless the proxy itself requested the generation of the 1xx response". Consequently, all received 1xx responses are automatically forwarded as long as the underlying transport supports ClientTrace.Got1xxResponse. Fixes golang#26088 Fixes golang#36734
Support for 1xx responses has recently been merged in net/http (golang#42597). As discussed in this CL (https://go-review.googlesource.com/c/go/+/269997/comments/1ff70bef_c25a829a), support for forwarding 1xx responses in ReverseProxy has been extracted in this separate patch. According to RFC 7231, "a proxy MUST forward 1xx responses unless the proxy itself requested the generation of the 1xx response". Consequently, all received 1xx responses are automatically forwarded as long as the underlying transport supports ClientTrace.Got1xxResponse. Fixes golang#26088 Fixes golang#36734
Change https://go.dev/cl/409536 mentions this issue: |
Support for 1xx responses has recently been merged in net/http (golang#42597). As discussed in this CL (https://go-review.googlesource.com/c/go/+/269997/comments/1ff70bef_c25a829a), support for forwarding 1xx responses in ReverseProxy has been extracted in this separate patch. According to RFC 7231, "a proxy MUST forward 1xx responses unless the proxy itself requested the generation of the 1xx response". Consequently, all received 1xx responses are automatically forwarded as long as the underlying transport supports ClientTrace.Got1xxResponse. Fixes golang#26088 Fixes golang#51914
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang/go#26089. Fixes golang/go#36734. Updates golang/go#26088. Change-Id: Iadb7be92844a3588ef4ce044f887ef5c1792f431 GitHub-Last-Rev: eee95b58b3b259781fc1052ed6143a0aa9284e04 GitHub-Pull-Request: golang/net#96 Reviewed-on: https://go-review.googlesource.com/c/net/+/291029 Run-TryBot: Damien Neil <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]> Reviewed-by: Damien Neil <[email protected]> TryBot-Result: Gopher Robot <[email protected]>
Support for 1xx responses has recently been merged in net/http (golang#42597). As discussed in this CL (https://go-review.googlesource.com/c/go/+/269997/comments/1ff70bef_c25a829a), support for forwarding 1xx responses in ReverseProxy has been extracted in this separate patch. According to RFC 7231, "a proxy MUST forward 1xx responses unless the proxy itself requested the generation of the 1xx response". Consequently, all received 1xx responses are automatically forwarded as long as the underlying transport supports ClientTrace.Got1xxResponse. Fixes golang#26088 Fixes golang#51914
Support for 1xx responses has recently been merged in net/http (golang#42597). As discussed in this CL (https://go-review.googlesource.com/c/go/+/269997/comments/1ff70bef_c25a829a), support for forwarding 1xx responses in ReverseProxy has been extracted in this separate patch. According to RFC 7231, "a proxy MUST forward 1xx responses unless the proxy itself requested the generation of the 1xx response". Consequently, all received 1xx responses are automatically forwarded as long as the underlying transport supports ClientTrace.Got1xxResponse. Fixes golang#26088 Fixes golang#51914
Support for 1xx responses has recently been merged in net/http (golang#42597). As discussed in this CL (https://go-review.googlesource.com/c/go/+/269997/comments/1ff70bef_c25a829a), support for forwarding 1xx responses in ReverseProxy has been extracted in this separate patch. According to RFC 7231, "a proxy MUST forward 1xx responses unless the proxy itself requested the generation of the 1xx response". Consequently, all received 1xx responses are automatically forwarded as long as the underlying transport supports ClientTrace.Got1xxResponse. Fixes golang#26088 Fixes golang#51914
Currently, it's not possible to send informational responses such as 103 Early Hints or 102 Processing. This patch allows calling WriteHeader() multiple times in order to send informational responses before the final one. If the status code is in the 1xx range, the current content of the header map is also sent. Its content is not removed after the call to WriteHeader() because the headers must also be included in the final response. The Chrome and Fastly teams are starting a large-scale experiment to measure the real-life impact of the 103 status code. Using Early Hints is proposed as a (partial) alternative to Server Push, which are going to be removed from Chrome: https://groups.google.com/a/chromium.org/g/blink-dev/c/K3rYLvmQUBY/m/21anpFhxAQAJ Being able to send this status code from servers implemented using Go would help to see if implementing it in browsers is worth it. Fixes golang/go#26089. Fixes golang/go#36734. Updates golang/go#26088. Change-Id: Iadb7be92844a3588ef4ce044f887ef5c1792f431 GitHub-Last-Rev: eee95b58b3b259781fc1052ed6143a0aa9284e04 GitHub-Pull-Request: golang/net#96 Reviewed-on: https://go-review.googlesource.com/c/net/+/291029 Run-TryBot: Damien Neil <[email protected]> Reviewed-by: Dmitri Shuralyov <[email protected]> Reviewed-by: Damien Neil <[email protected]> TryBot-Result: Gopher Robot <[email protected]>
[Continuation of #17739]
The ReverseProxy does not forward 1xx responses currently.
https://tools.ietf.org/html/rfc7231#section-6.2
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