milo: Add barebones BuildInfo pRPC service.

milo/api/proto/buildinfoserver_dec.go

Index: milo/api/proto/buildinfoserver_dec.go
diff --git a/milo/api/proto/buildinfoserver_dec.go b/milo/api/proto/buildinfoserver_dec.go
new file mode 100644
index 0000000000000000000000000000000000000000..dc8277a2e93952fe0119441fe5e0429195e441dc
--- /dev/null
+++ b/milo/api/proto/buildinfoserver_dec.go
@@ -0,0 +1,38 @@
+// Code generated by svcdec; DO NOT EDIT
+
+package milo
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	context "golang.org/x/net/context"
+)
+
+type DecoratedBuildInfo struct {
+	// Service is the service to decorate.
+	Service BuildInfoServer
+	// Prelude is called for each method before forwarding the call to Service.
+	// If Prelude returns an error, it the call is skipped and the error is
+	// processed via the Postlude (if one is defined), or it is returned directly.
+	Prelude func(c context.Context, methodName string, req proto.Message) (context.Context, error)
+	// Postlude is called for each method after Service has processed the call, or
+	// after the Prelude has returned an error. This takes the the Service's
+	// response proto (which may be nil) and/or any error. The decorated
+	// service will return the response (possibly mutated) and error that Postlude
+	// returns.
+	Postlude func(c context.Context, methodName string, rsp proto.Message, err error) error
+}
+
+func (s *DecoratedBuildInfo) Get(c context.Context, req *BuildInfoRequest) (rsp *BuildInfoResponse, err error) {
+	var newCtx context.Context
+	if s.Prelude != nil {
+		newCtx, err = s.Prelude(c, "Get", req)
+	}
+	if err == nil {
+		c = newCtx
+		rsp, err = s.Service.Get(c, req)
+	}
+	if s.Postlude != nil {
+		err = s.Postlude(c, "Get", rsp, err)
+	}
+	return
+}