Initial checkin of gRPC to third_party/

third_party/grpc/tools/http2_interop/http1frame.go

Index: third_party/grpc/tools/http2_interop/http1frame.go
diff --git a/third_party/grpc/tools/http2_interop/http1frame.go b/third_party/grpc/tools/http2_interop/http1frame.go
new file mode 100644
index 0000000000000000000000000000000000000000..68ab197b6524a24b45a8ae14e59b33f64920d600
--- /dev/null
+++ b/third_party/grpc/tools/http2_interop/http1frame.go
@@ -0,0 +1,49 @@
+package http2interop
+
+import (
+	"bytes"
+	"io"
+	"strings"
+)
+
+// HTTP1Frame is not a real frame, but rather a way to represent an http1.x response.
+type HTTP1Frame struct {
+	Header FrameHeader
+	Data   []byte
+}
+
+func (f *HTTP1Frame) GetHeader() *FrameHeader {
+	return &f.Header
+}
+
+func (f *HTTP1Frame) ParsePayload(r io.Reader) error {
+	var buf bytes.Buffer
+	if _, err := io.Copy(&buf, r); err != nil {
+		return err
+	}
+	f.Data = buf.Bytes()
+	return nil
+}
+
+func (f *HTTP1Frame) MarshalPayload() ([]byte, error) {
+	return []byte(string(f.Data)), nil
+}
+
+func (f *HTTP1Frame) MarshalBinary() ([]byte, error) {
+	buf, err := f.Header.MarshalBinary()
+	if err != nil {
+		return nil, err
+	}
+
+	buf = append(buf, f.Data...)
+
+	return buf, nil
+}
+
+func (f *HTTP1Frame) String() string {
+	s := string(f.Data)
+	parts := strings.SplitN(s, "\n", 2)
+	headerleft, _ := f.Header.MarshalBinary()
+
+	return strings.TrimSpace(string(headerleft) + parts[0])
+}