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Write Content-Length header if doForwardTrailers is not set #4259

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merged 2 commits into from Apr 26, 2024
Merged

Write Content-Length header if doForwardTrailers is not set #4259

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966ae37
Write Content-Length header if doForwardTrailers is not set
joshgarnett Apr 25, 2024
5d8cc84
TestOutgoingHeaderMatcher now checks that Content-Length is set and T…
joshgarnett Apr 26, 2024
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5 changes: 5 additions & 0 deletions runtime/handler.go
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Expand Up @@ -6,6 +6,7 @@ import (
"io"
"net/http"
"net/textproto"
"strconv"
"strings"

"google.golang.org/genproto/googleapis/api/httpbody"
Expand Down Expand Up @@ -176,6 +177,10 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
return
}

if !doForwardTrailers {
w.Header().Set("Content-Length", strconv.Itoa(len(buf)))
}
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Mind adding a test for this to our integration tests? https://github.com/grpc-ecosystem/grpc-gateway/blob/main/examples/internal/integration/integration_test.go

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Hi @johanbrandhorst, I've pushed a change that updates the existing tests to check for the header


if _, err = w.Write(buf); err != nil {
grpclog.Infof("Failed to write response: %v", err)
}
Expand Down