Skip to content

proposal: net/http: automatically set Content-Length from Len method on Body #41182

Closed
@jingyugao

Description

@jingyugao

What version of Go are you using (go version)?

$ go version
go version go1.15 darwin/amd64

Does this issue reproduce with the latest release?

yes

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GO111MODULE="on"
GOARCH="amd64"
GOBIN=""
GOCACHE="/Users/gaojingyu/Library/Caches/go-build"
GOENV="/Users/gaojingyu/Library/Application Support/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="darwin"
GONOPROXY="*.byted.org"
GONOSUMDB="*.byted.org"
GOOS="darwin"
GOPATH="/Users/gaojingyu/go"
GOPRIVATE="*.byted.org"
GOPROXY="https://go-mod-proxy.byted.org"
GOROOT="/usr/local/Cellar/go/1.13.6/libexec"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/Cellar/go/1.13.6/libexec/pkg/tool/darwin_amd64"
GCCGO="gccgo"
AR="ar"
CC="clang"
CXX="clang++"
CGO_ENABLED="1"
GOMOD="/Users/gaojingyu/Tmp/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/r1/fgd1nc4s32zcy8myvl17np8r0000gp/T/go-build991311603=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

Now in http.NewRequestWithContext
it check wether body type is a *bytes.Buffer,*bytes.Reader or *strings.Reader, then call Len() to get content-length.

What did you expect to see?

Check wether the body type implement interfae{Len()int}

Metadata

Metadata

Assignees

No one assigned

    Type

    No type

    Projects

    No projects

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions