update cadvisor to v0.31.0

vendor/github.com/mesos/mesos-go/api/v1/lib/client.go

@@ -0,0 +1,71 @@
+package mesos
+
+// DEPRECATED in favor of github.com/mesos/mesos-go/api/v1/lib/client
+
+import (
+	"io"
+
+	"github.com/mesos/mesos-go/api/v1/lib/encoding"
+)
+
+// A Client represents a Mesos API client which can send Calls and return
+// a streaming Decoder from which callers can read Events from, an io.Closer to
+// close the event stream on graceful termination and an error in case of failure.
+type Client interface {
+	Do(encoding.Marshaler) (Response, error)
+}
+
+// ClientFunc is a functional adapter of the Client interface
+type ClientFunc func(encoding.Marshaler) (Response, error)
+
+// Do implements Client
+func (cf ClientFunc) Do(m encoding.Marshaler) (Response, error) { return cf(m) }
+
+// Response captures the output of a Mesos API operation. Callers are responsible for invoking
+// Close when they're finished processing the response otherwise there may be connection leaks.
+type Response interface {
+	io.Closer
+	encoding.Decoder
+}
+
+// ResponseDecorator optionally modifies the behavior of a Response
+type ResponseDecorator interface {
+	Decorate(Response) Response
+}
+
+// ResponseDecoratorFunc is the functional adapter for ResponseDecorator
+type ResponseDecoratorFunc func(Response) Response
+
+func (f ResponseDecoratorFunc) Decorate(r Response) Response { return f(r) }
+
+// CloseFunc is the functional adapter for io.Closer
+type CloseFunc func() error
+
+// Close implements io.Closer
+func (f CloseFunc) Close() error { return f() }
+
+// ResponseWrapper delegates to optional overrides for invocations of Response methods.
+type ResponseWrapper struct {
+	Response Response
+	Closer   io.Closer
+	Decoder  encoding.Decoder
+}
+
+func (wrapper *ResponseWrapper) Close() error {
+	if wrapper.Closer != nil {
+		return wrapper.Closer.Close()
+	}
+	if wrapper.Response != nil {
+		return wrapper.Response.Close()
+	}
+	return nil
+}
+
+func (wrapper *ResponseWrapper) Decode(u encoding.Unmarshaler) error {
+	if wrapper.Decoder != nil {
+		return wrapper.Decoder.Decode(u)
+	}
+	return wrapper.Response.Decode(u)
+}
+
+var _ = Response(&ResponseWrapper{})