Move server => cli

Signed-off-by: Guillaume Tardif <guillaume.tardif@gmail.com>

cli/server/contextserverstream.go

@@ -0,0 +1,57 @@
+/*
+   Copyright 2020 Docker Compose CLI authors
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package server
+
+import (
+	"context"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
+)
+
+// A gRPC server stream will only let you get its context but
+// there is no way to set a new (augmented context) to the next
+// handler (like we do for a unary request). We need to wrap the grpc.ServerSteam
+// to be able to set a new context that will be sent to the next stream interceptor.
+type contextServerStream struct {
+	ss  grpc.ServerStream
+	ctx context.Context
+}
+
+func (css *contextServerStream) SetHeader(md metadata.MD) error {
+	return css.ss.SetHeader(md)
+}
+
+func (css *contextServerStream) SendHeader(md metadata.MD) error {
+	return css.ss.SendHeader(md)
+}
+
+func (css *contextServerStream) SetTrailer(md metadata.MD) {
+	css.ss.SetTrailer(md)
+}
+
+func (css *contextServerStream) Context() context.Context {
+	return css.ctx
+}
+
+func (css *contextServerStream) SendMsg(m interface{}) error {
+	return css.ss.SendMsg(m)
+}
+
+func (css *contextServerStream) RecvMsg(m interface{}) error {
+	return css.ss.RecvMsg(m)
+}