Updated varlink vendored code

Signed-off-by: baude <bbaude@redhat.com>

Closes: #670
Approved by: mheon

13 files changed, 42 insertions, 1106 deletions

diff --git a/vendor/github.com/varlink/go/.gitignore b/vendor/github.com/varlink/go/.gitignore
deleted file mode 100644
index e69de29bb..000000000
--- a/vendor/github.com/varlink/go/.gitignore
+++ /dev/null
diff --git a/vendor/github.com/varlink/go/.travis.yml b/vendor/github.com/varlink/go/.travis.yml
deleted file mode 100644
index 990f12e0a..000000000
--- a/vendor/github.com/varlink/go/.travis.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-language: go
-sudo: false
-go:
-- '1.9'
-- 1.10.x
-install:
-- go get golang.org/x/tools/cmd/cover
-- go get github.com/mattn/goveralls
-script:
-- '"$HOME/gopath/bin/goveralls" -show -service=travis-ci -repotoken "$COVERALLS_TOKEN"'
-env:
-  global:
-  - secure: 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
diff --git a/vendor/github.com/varlink/go/Makefile b/vendor/github.com/varlink/go/Makefile
deleted file mode 100644
index 3f1c0e6d6..000000000
--- a/vendor/github.com/varlink/go/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-all:
-	go test -v ./...
-.PHONY: all
diff --git a/vendor/github.com/varlink/go/cmd/varlink-go-interface-generator/generator_test.go b/vendor/github.com/varlink/go/cmd/varlink-go-interface-generator/generator_test.go
deleted file mode 100644
index aa3a8565f..000000000
--- a/vendor/github.com/varlink/go/cmd/varlink-go-interface-generator/generator_test.go
+++ /dev/null
@@ -1,85 +0,0 @@
-package main
-
-import (
-	"strings"
-	"testing"
-)
-
-func expect(t *testing.T, expected string, returned string) {
-	if strings.Compare(returned, expected) != 0 {
-		t.Fatalf("Expected(%d): `%s`\nGot(%d): `%s`\n",
-			len(expected), expected,
-			len(returned), returned)
-	}
-}
-
-func TestIDLParser(t *testing.T) {
-	pkgname, b, err := generateTemplate(`
-# Interface to jump a spacecraft to another point in space. The 
-# FTL Drive is the propulsion system to achieve faster-than-light
-# travel through space. A ship making a properly calculated
-# jump can arrive safely in planetary orbit, or alongside other
-# ships or spaceborne objects.
-interface org.example.ftl
-
-# The current state of the FTL drive and the amount of fuel
-# available to jump.
-type DriveCondition (
-  state: (idle, spooling, busy),
-  booster: bool,
-  active_engines: [](id: int, state: bool),
-  tylium_level: int
-)
-
-# Speed, trajectory and jump duration is calculated prior to
-# activating the FTL drive.
-type DriveConfiguration (
-  speed: int,
-  trajectory: int,
-  duration: int
-)
-
-# The galactic coordinates use the Sun as the origin. Galactic
-# longitude is measured with primary direction from the Sun to
-# the center of the galaxy in the galactic plane, while the
-# galactic latitude measures the angle of the object above the
-# galactic plane.
-type Coordinate (
-  longitude: float,
-  latitude: float,
-  distance: int
-)
-
-# Monitor the drive. The method will reply with an update whenever
-# the drive's state changes
-method Monitor() -> (condition: DriveCondition)
-
-# Calculate the drive's jump parameters from the current
-# position to the target position in the galaxy
-method CalculateConfiguration(
-  current: Coordinate,
-  target: Coordinate
-) -> (configuration: DriveConfiguration)
-
-# Jump to the calculated point in space
-method Jump(configuration: DriveConfiguration) -> ()
-
-# There is not enough tylium to jump with the given parameters
-error NotEnoughEnergy ()
-
-# The supplied parameters are outside the supported range
-error ParameterOutOfRange (field: string)
-
-# some more coverage
-method Foo(interface: string) -> (ret: (go: string, switch: bool, more: (t:bool, f:bool)))
-	`)
-
-	if err != nil {
-		t.Fatalf("Error parsing %v", err)
-	}
-	expect(t, "orgexampleftl", pkgname)
-	if len(b) <= 0 {
-		t.Fatal("No generated go source")
-	}
-	// FIXME: compare b.String() against expected output
-}
diff --git a/vendor/github.com/varlink/go/cmd/varlink-go-interface-generator/main.go b/vendor/github.com/varlink/go/cmd/varlink-go-interface-generator/main.go
deleted file mode 100644
index 1bcdb78de..000000000
--- a/vendor/github.com/varlink/go/cmd/varlink-go-interface-generator/main.go
+++ /dev/null
@@ -1,294 +0,0 @@
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path"
-	"strings"
-
-	"github.com/varlink/go/varlink/idl"
-)
-
-var goKeywords = map[string]struct{}{
-	"break":       {},
-	"case":        {},
-	"chan":        {},
-	"const":       {},
-	"continue":    {},
-	"default":     {},
-	"defer":       {},
-	"else":        {},
-	"fallthrough": {},
-	"for":         {},
-	"func":        {},
-	"go":          {},
-	"goto":        {},
-	"if":          {},
-	"import":      {},
-	"interface":   {},
-	"map":         {},
-	"package":     {},
-	"range":       {},
-	"return":      {},
-	"select":      {},
-	"struct":      {},
-	"switch":      {},
-	"type":        {},
-	"var":         {},
-}
-
-func sanitizeGoName(name string) string {
-	if _, ok := goKeywords[name]; !ok {
-		return name
-	}
-	return name + "_"
-}
-
-func writeType(b *bytes.Buffer, t *idl.Type, json bool, ident int) {
-	switch t.Kind {
-	case idl.TypeBool:
-		b.WriteString("bool")
-
-	case idl.TypeInt:
-		b.WriteString("int64")
-
-	case idl.TypeFloat:
-		b.WriteString("float64")
-
-	case idl.TypeString, idl.TypeEnum:
-		b.WriteString("string")
-
-	case idl.TypeArray:
-		b.WriteString("[]")
-		writeType(b, t.ElementType, json, ident)
-
-	case idl.TypeMaybe:
-		b.WriteString("*")
-		writeType(b, t.ElementType, json, ident)
-
-	case idl.TypeAlias:
-		b.WriteString(t.Alias)
-
-	case idl.TypeStruct:
-		b.WriteString("struct{\n")
-		for _, field := range t.Fields {
-			for i := 0; i < ident+1; i++ {
-				b.WriteString("\t")
-			}
-
-			b.WriteString(strings.Title(field.Name) + " ")
-			writeType(b, field.Type, json, ident+1)
-			if json {
-				b.WriteString(" `json:\"" + field.Name + "\"`")
-			}
-			b.WriteString("\n")
-		}
-		for i := 0; i < ident; i++ {
-			b.WriteString("\t")
-		}
-		b.WriteString("}")
-	}
-}
-
-func generateTemplate(description string) (string, []byte, error) {
-	description = strings.TrimRight(description, "\n")
-
-	midl, err := idl.New(description)
-	if err != nil {
-		return "", nil, err
-	}
-
-	pkgname := strings.Replace(midl.Name, ".", "", -1)
-
-	var b bytes.Buffer
-	b.WriteString("// Generated with github.com/varlink/go/cmd/varlink-go-interface-generator\n")
-	b.WriteString("package " + pkgname + "\n\n")
-	b.WriteString(`import "github.com/varlink/go/varlink"` + "\n\n")
-
-	// Type declarations
-	for _, a := range midl.Aliases {
-		b.WriteString("type " + a.Name + " ")
-		writeType(&b, a.Type, true, 0)
-		b.WriteString("\n\n")
-	}
-
-	// Local interface with all methods
-	b.WriteString("type " + pkgname + "Interface interface {\n")
-	for _, m := range midl.Methods {
-		b.WriteString("\t" + m.Name + "(c VarlinkCall")
-		for _, field := range m.In.Fields {
-			b.WriteString(", " + strings.Title(field.Name) + " ")
-			writeType(&b, field.Type, false, 1)
-		}
-		b.WriteString(") error\n")
-	}
-	b.WriteString("}\n\n")
-
-	// Local object with all methods
-	b.WriteString("type VarlinkCall struct{ varlink.Call }\n\n")
-
-	// Reply methods for all varlink errors
-	for _, e := range midl.Errors {
-		b.WriteString("func (c *VarlinkCall) Reply" + e.Name + "(")
-		for i, field := range e.Type.Fields {
-			if i > 0 {
-				b.WriteString(", ")
-			}
-			b.WriteString(sanitizeGoName(field.Name) + " ")
-			writeType(&b, field.Type, false, 1)
-		}
-		b.WriteString(") error {\n")
-		if len(e.Type.Fields) > 0 {
-			b.WriteString("\tvar out ")
-			writeType(&b, e.Type, true, 1)
-			b.WriteString("\n")
-			for _, field := range e.Type.Fields {
-				switch field.Type.Kind {
-				case idl.TypeStruct, idl.TypeArray:
-					b.WriteString("\tout." + strings.Title(field.Name) + " = ")
-					writeType(&b, field.Type, true, 1)
-					b.WriteString("(" + sanitizeGoName(field.Name) + ")\n")
-
-				default:
-					b.WriteString("\tout." + strings.Title(field.Name) + " = " + sanitizeGoName(field.Name) + "\n")
-				}
-			}
-			b.WriteString("\treturn c.ReplyError(\"" + midl.Name + "." + e.Name + "\", &out)\n")
-		} else {
-			b.WriteString("\treturn c.ReplyError(\"" + midl.Name + "." + e.Name + "\", nil)\n")
-		}
-		b.WriteString("}\n\n")
-	}
-
-	// Reply methods for all varlink methods
-	for _, m := range midl.Methods {
-		b.WriteString("func (c *VarlinkCall) Reply" + m.Name + "(")
-		for i, field := range m.Out.Fields {
-			if i > 0 {
-				b.WriteString(", ")
-			}
-			b.WriteString(sanitizeGoName(field.Name) + " ")
-			writeType(&b, field.Type, false, 1)
-		}
-		b.WriteString(") error {\n")
-		if len(m.Out.Fields) > 0 {
-			b.WriteString("\tvar out ")
-			writeType(&b, m.Out, true, 1)
-			b.WriteString("\n")
-			for _, field := range m.Out.Fields {
-				switch field.Type.Kind {
-				case idl.TypeStruct, idl.TypeArray:
-					b.WriteString("\tout." + strings.Title(field.Name) + " = ")
-					writeType(&b, field.Type, true, 1)
-					b.WriteString("(" + sanitizeGoName(field.Name) + ")\n")
-
-				default:
-					b.WriteString("\tout." + strings.Title(field.Name) + " = " + sanitizeGoName(field.Name) + "\n")
-				}
-			}
-			b.WriteString("\treturn c.Reply(&out)\n")
-		} else {
-			b.WriteString("\treturn c.Reply(nil)\n")
-		}
-		b.WriteString("}\n\n")
-	}
-
-	// Dummy methods for all varlink methods
-	for _, m := range midl.Methods {
-		b.WriteString("func (s *VarlinkInterface) " + m.Name + "(c VarlinkCall")
-		for _, field := range m.In.Fields {
-			b.WriteString(", " + sanitizeGoName(field.Name) + " ")
-			writeType(&b, field.Type, false, 1)
-		}
-		b.WriteString(") error {\n" +
-			"\treturn c.ReplyMethodNotImplemented(\"" + m.Name + "\")\n" +
-			"}\n\n")
-	}
-
-	// Method call dispatcher
-	b.WriteString("func (s *VarlinkInterface) VarlinkDispatch(call varlink.Call, methodname string) error {\n" +
-		"\tswitch methodname {\n")
-	for _, m := range midl.Methods {
-		b.WriteString("\tcase \"" + m.Name + "\":\n")
-		if len(m.In.Fields) > 0 {
-			b.WriteString("\t\tvar in ")
-			writeType(&b, m.In, true, 2)
-			b.WriteString("\n")
-			b.WriteString("\t\terr := call.GetParameters(&in)\n" +
-				"\t\tif err != nil {\n" +
-				"\t\t\treturn call.ReplyInvalidParameter(\"parameters\")\n" +
-				"\t\t}\n")
-			b.WriteString("\t\treturn s." + pkgname + "Interface." + m.Name + "(VarlinkCall{call}")
-			if len(m.In.Fields) > 0 {
-				for _, field := range m.In.Fields {
-					switch field.Type.Kind {
-					case idl.TypeStruct, idl.TypeArray:
-						b.WriteString(", ")
-						writeType(&b, field.Type, false, 2)
-						b.WriteString("(in." + strings.Title(field.Name) + ")")
-
-					default:
-						b.WriteString(", in." + strings.Title(field.Name))
-					}
-				}
-			}
-			b.WriteString(")\n")
-		} else {
-			b.WriteString("\t\treturn s." + pkgname + "Interface." + m.Name + "(VarlinkCall{call})\n")
-		}
-		b.WriteString("\n")
-	}
-	b.WriteString("\tdefault:\n" +
-		"\t\treturn call.ReplyMethodNotFound(methodname)\n" +
-		"\t}\n" +
-		"}\n")
-
-	// Varlink interface name
-	b.WriteString("func (s *VarlinkInterface) VarlinkGetName() string {\n" +
-		"\treturn `" + midl.Name + "`\n" + "}\n\n")
-
-	// Varlink interface description
-	b.WriteString("func (s *VarlinkInterface) VarlinkGetDescription() string {\n" +
-		"\treturn `" + midl.Description + "\n`\n}\n\n")
-
-	b.WriteString("type VarlinkInterface struct {\n" +
-		"\t" + pkgname + "Interface\n" +
-		"}\n\n")
-
-	b.WriteString("func VarlinkNew(m " + pkgname + "Interface) *VarlinkInterface {\n" +
-		"\treturn &VarlinkInterface{m}\n" +
-		"}\n")
-
-	return pkgname, b.Bytes(), nil
-}
-
-func generateFile(varlinkFile string) {
-	file, err := ioutil.ReadFile(varlinkFile)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Error reading file '%s': %s\n", varlinkFile, err)
-		os.Exit(1)
-	}
-
-	pkgname, b, err := generateTemplate(string(file))
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Error parsing file '%s': %s\n", varlinkFile, err)
-		os.Exit(1)
-	}
-
-	filename := path.Dir(varlinkFile) + "/" + pkgname + ".go"
-	err = ioutil.WriteFile(filename, b, 0660)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "Error writing file '%s': %s\n", filename, err)
-		os.Exit(1)
-	}
-}
-
-func main() {
-	if len(os.Args) != 2 {
-		fmt.Printf("Usage: %s <file>\n", os.Args[0])
-		os.Exit(1)
-	}
-	generateFile(os.Args[1])
-}
diff --git a/vendor/github.com/varlink/go/cmd/varlink-go-type-generator/main.go b/vendor/github.com/varlink/go/cmd/varlink-go-type-generator/main.go
deleted file mode 100644
index dfbec5fb2..000000000
--- a/vendor/github.com/varlink/go/cmd/varlink-go-type-generator/main.go
+++ /dev/null
@@ -1,142 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"go/ast"
-	"go/importer"
-	"go/parser"
-	"go/token"
-	"go/types"
-	"log"
-	"os"
-)
-
-func GoToVarlinkType(t types.Type) string {
-	switch u := t.(type) {
-	case *types.Basic:
-		if u.Info()&types.IsBoolean != 0 {
-			return "bool"
-		}
-		if u.Info()&types.IsInteger != 0 {
-			return "int"
-		}
-		if u.Info()&types.IsFloat != 0 {
-			return "float"
-		}
-		if u.Info()&types.IsString != 0 {
-			return "string"
-		}
-		return fmt.Sprintf("<<<%s>>>", t.String())
-
-	case *types.Named:
-		return u.Obj().Name()
-
-	case *types.Map:
-		return fmt.Sprintf("<<<%s>>>", u.String())
-
-	case *types.Interface:
-		return fmt.Sprintf("<<<%s>>>", u.String())
-
-	case *types.Pointer:
-		return fmt.Sprintf("?%s", GoToVarlinkType(u.Elem()))
-
-	case *types.Array:
-		return fmt.Sprintf("[]%s", GoToVarlinkType(u.Elem()))
-
-	case *types.Slice:
-		return fmt.Sprintf("[]%s", GoToVarlinkType(u.Elem()))
-
-	default:
-		return fmt.Sprintf("<<<%T %s>>>", t, u)
-	}
-
-	return t.String()
-}
-
-func PrintDefsUses(name string, fset *token.FileSet, files []*ast.File) error {
-	conf := types.Config{
-		Importer:    importer.Default(),
-		FakeImportC: true,
-	}
-
-	info := &types.Info{
-		Defs: make(map[*ast.Ident]types.Object),
-	}
-
-	_, err := conf.Check(name, fset, files, info)
-	if err != nil {
-		return err // type error
-	}
-
-	seen := map[string]interface{}{}
-
-	for id, obj := range info.Defs {
-		if obj == nil {
-			continue
-		}
-
-		if _, ok := seen[id.Name]; ok {
-			continue
-		}
-
-		/*
-			if !obj.Exported() || obj.Pkg().Name() != name {
-				continue
-			}
-		*/
-		switch f := obj.Type().Underlying().(type) {
-		case *types.Struct:
-			if f.NumFields() > 0 {
-				fmt.Printf("type %s (\n", id.Name)
-				fmt.Printf("\t%s: %s",
-					f.Field(0).Name(), GoToVarlinkType(f.Field(0).Type()))
-				for i := 1; i < f.NumFields(); i++ {
-					fmt.Printf(",\n\t%s: %s",
-						f.Field(i).Name(), GoToVarlinkType(f.Field(i).Type()))
-				}
-				fmt.Printf("\n)\n\n")
-			}
-		}
-		seen[id.Name] = nil
-	}
-
-	return nil
-}
-
-func main() {
-
-	path := os.Args[1]
-	fs := token.NewFileSet()
-
-	if stat, err := os.Stat(path); err == nil && stat.IsDir() {
-		pkgs, err := parser.ParseDir(fs, path, nil, 0)
-		if err != nil {
-			fmt.Printf("parsing dir '%s': %s", path, err)
-		}
-		for name, pkg := range pkgs {
-			log.Println("Found package:", name)
-
-			fset := make([]*ast.File, len(pkg.Files), len(pkg.Files))
-			idx := 0
-			for _, value := range pkg.Files {
-				fset[idx] = value
-				idx++
-			}
-
-			if err := PrintDefsUses(name, fs, fset); err != nil {
-				log.Print(err) // type error
-			}
-		}
-	} else {
-
-		fset, err := parser.ParseFile(fs, path, nil, 0)
-
-		if err != nil {
-			fmt.Printf("parsing file '%s': %s", path, err)
-		}
-		name := fset.Name.String()
-		if err := PrintDefsUses(name, fs, []*ast.File{fset}); err != nil {
-			log.Print(err) // type error
-		}
-	}
-}
diff --git a/vendor/github.com/varlink/go/golang-github-varlink-go.spec b/vendor/github.com/varlink/go/golang-github-varlink-go.spec
deleted file mode 100644
index 85f5d1788..000000000
--- a/vendor/github.com/varlink/go/golang-github-varlink-go.spec
+++ /dev/null
@@ -1,44 +0,0 @@
-%global goipath github.com/varlink/go
-Version:        0
-%gometa
-
-Name:           %{goname}
-Release:        1%{?dist}
-Summary:        Go bindings for varlink
-License:        ASL 2.0
-URL:            %{gourl}
-Source0:        %{gosource}
-
-%description
-Native Go bindings for the varlink protocol.
-
-%package devel
-Summary:       %{summary}
-BuildArch:     noarch
-
-%description devel
-%{summary}
-
-This package contains library source intended for
-building other packages which use import path with
-%{gobaseipath} prefix.
-
-%prep
-%forgesetup
-
-%build
-%gobuildroot
-
-%install
-gofiles=$(find . %{gofindfilter} -print)
-%goinstall $gofiles
-
-%check
-
-%files devel -f devel.file-list
-%license LICENSE
-%doc README.md
-
-%changelog
-* Tue Mar 20 2018 <info@varlink.org> 0-1
-- Version 0
diff --git a/vendor/github.com/varlink/go/varlink/connection.go b/vendor/github.com/varlink/go/varlink/connection.go
index 2445072b6..5a163b501 100644
--- a/vendor/github.com/varlink/go/varlink/connection.go
+++ b/vendor/github.com/varlink/go/varlink/connection.go
@@ -27,17 +27,26 @@ type Connection struct {
 }
 
 // Send sends a method call.
-func (c *Connection) Send(method string, parameters interface{}, more bool) error {
+func (c *Connection) Send(method string, parameters interface{}, more bool, oneway bool) error {
 	type call struct {
 		Method     string      `json:"method"`
 		Parameters interface{} `json:"parameters,omitempty"`
 		More       bool        `json:"more,omitempty"`
-		OneShot    bool        `json:"oneshot,omitempty"`
+		Oneway     bool        `json:"oneway,omitempty"`
 	}
+
+	if more && oneway {
+		return &Error{
+			Name:       "org.varlink.InvalidParameter",
+			Parameters: "oneway",
+		}
+	}
+
 	m := call{
 		Method:     method,
 		Parameters: parameters,
 		More:       more,
+		Oneway:     oneway,
 	}
 	b, err := json.Marshal(m)
 	if err != nil {
@@ -54,53 +63,47 @@ func (c *Connection) Send(method string, parameters interface{}, more bool) erro
 }
 
 // Receive receives a method reply.
-func (c *Connection) Receive(parameters interface{}, continues *bool, oneshot *bool) error {
+func (c *Connection) Receive(parameters interface{}) (bool, error) {
 	type reply struct {
 		Parameters *json.RawMessage `json:"parameters"`
 		Continues  bool             `json:"continues"`
-		Oneshot    bool             `json:"oneshot"`
 		Error      string           `json:"error"`
 	}
 
 	out, err := c.reader.ReadBytes('\x00')
 	if err != nil {
-		return err
+		return false, err
 	}
 
 	var m reply
 	err = json.Unmarshal(out[:len(out)-1], &m)
 	if err != nil {
-		return err
+		return false, err
 	}
 
 	if m.Error != "" {
-		return &Error{
+		return false, &Error{
 			Name:       m.Error,
 			Parameters: m.Parameters,
 		}
 	}
 
-	if continues != nil {
-		*continues = m.Continues
-	}
-	if oneshot != nil {
-		*oneshot = m.Oneshot
-	}
 	if parameters != nil && m.Parameters != nil {
-		return json.Unmarshal(*m.Parameters, parameters)
+		return m.Continues, json.Unmarshal(*m.Parameters, parameters)
 	}
 
-	return nil
+	return m.Continues, nil
 }
 
 // Call sends a method call and returns the result of the call.
 func (c *Connection) Call(method string, parameters interface{}, result interface{}) error {
-	err := c.Send(method, &parameters, false)
+	err := c.Send(method, &parameters, false, false)
 	if err != nil {
 		return err
 	}
 
-	return c.Receive(result, nil, nil)
+	_, err = c.Receive(result)
+	return err
 }
 
 // GetInterfaceDescription requests the interface description string from the service.
diff --git a/vendor/github.com/varlink/go/varlink/external_test.go b/vendor/github.com/varlink/go/varlink/external_test.go
deleted file mode 100644
index dbe4290e6..000000000
--- a/vendor/github.com/varlink/go/varlink/external_test.go
+++ /dev/null
@@ -1,144 +0,0 @@
-package varlink_test
-
-// test with no internal access
-
-import (
-	"github.com/varlink/go/varlink"
-	"os"
-	"testing"
-	"time"
-)
-
-type VarlinkInterface struct{}
-
-func (s *VarlinkInterface) VarlinkDispatch(call varlink.Call, methodname string) error {
-	return call.ReplyMethodNotImplemented(methodname)
-}
-func (s *VarlinkInterface) VarlinkGetName() string {
-	return `org.example.test`
-}
-
-func (s *VarlinkInterface) VarlinkGetDescription() string {
-	return "#"
-}
-
-type VarlinkInterface2 struct{}
-
-func (s *VarlinkInterface2) VarlinkDispatch(call varlink.Call, methodname string) error {
-	return call.ReplyMethodNotImplemented(methodname)
-}
-func (s *VarlinkInterface2) VarlinkGetName() string {
-	return `org.example.test2`
-}
-
-func (s *VarlinkInterface2) VarlinkGetDescription() string {
-	return "#"
-}
-
-func TestRegisterService(t *testing.T) {
-	newTestInterface := new(VarlinkInterface)
-	service, err := varlink.NewService(
-		"Varlink",
-		"Varlink Test",
-		"1",
-		"https://github.com/varlink/go/varlink",
-	)
-	if err != nil {
-		t.Fatalf("NewService(): %v", err)
-	}
-
-	if err := service.RegisterInterface(newTestInterface); err != nil {
-		t.Fatalf("Couldn't register service: %v", err)
-	}
-
-	if err := service.RegisterInterface(newTestInterface); err == nil {
-		t.Fatal("Could register service twice")
-	}
-
-	defer func() { service.Shutdown() }()
-
-	servererror := make(chan error)
-
-	go func() {
-		servererror <- service.Listen("unix:@varlinkexternal_TestRegisterService", 0)
-	}()
-
-	time.Sleep(time.Second / 5)
-
-	n := new(VarlinkInterface2)
-
-	if err := service.RegisterInterface(n); err == nil {
-		t.Fatal("Could register service while running")
-	}
-	time.Sleep(time.Second / 5)
-	service.Shutdown()
-
-	if err := <-servererror; err != nil {
-		t.Fatalf("service.Listen(): %v", err)
-	}
-}
-
-func TestUnix(t *testing.T) {
-	newTestInterface := new(VarlinkInterface)
-	service, err := varlink.NewService(
-		"Varlink",
-		"Varlink Test",
-		"1",
-		"https://github.com/varlink/go/varlink",
-	)
-
-	if err != nil {
-		t.Fatalf("NewService(): %v", err)
-	}
-
-	if err := service.RegisterInterface(newTestInterface); err != nil {
-		t.Fatalf("RegisterInterface(): %v", err)
-	}
-
-	servererror := make(chan error)
-
-	go func() {
-		servererror <- service.Listen("unix:varlinkexternal_TestUnix", 0)
-	}()
-
-	time.Sleep(time.Second / 5)
-	service.Shutdown()
-
-	if err := <-servererror; err != nil {
-		t.Fatalf("service.Listen(): %v", err)
-	}
-}
-
-func TestListenFDSNotInt(t *testing.T) {
-	newTestInterface := new(VarlinkInterface)
-	service, err := varlink.NewService(
-		"Varlink",
-		"Varlink Test",
-		"1",
-		"https://github.com/varlink/go/varlink",
-	)
-
-	if err != nil {
-		t.Fatalf("NewService(): %v", err)
-	}
-
-	if err := service.RegisterInterface(newTestInterface); err != nil {
-		t.Fatalf("Couldn't register service: %v", err)
-	}
-	os.Setenv("LISTEN_FDS", "foo")
-
-	servererror := make(chan error)
-
-	go func() {
-		servererror <- service.Listen("unix:varlinkexternal_TestListenFDSNotInt", 0)
-	}()
-
-	time.Sleep(time.Second / 5)
-	service.Shutdown()
-
-	err = <-servererror
-
-	if err != nil {
-		t.Fatalf("service.Run(): %v", err)
-	}
-}
diff --git a/vendor/github.com/varlink/go/varlink/idl/idl.go b/vendor/github.com/varlink/go/varlink/idl/idl.go
index 27f21a759..e4ba27b6b 100644
--- a/vendor/github.com/varlink/go/varlink/idl/idl.go
+++ b/vendor/github.com/varlink/go/varlink/idl/idl.go
@@ -13,8 +13,10 @@ const (
 	TypeInt
 	TypeFloat
 	TypeString
+	TypeObject
 	TypeArray
 	TypeMaybe
+	TypeMap
 	TypeStruct
 	TypeEnum
 	TypeAlias
@@ -277,9 +279,25 @@ func (p *parser) readType() *Type {
 		if e == nil {
 			return nil
 		}
+		if e.Kind == TypeMaybe {
+			return nil
+		}
 		t = &Type{Kind: TypeMaybe, ElementType: e}
 
 	case '[':
+		var kind TypeKind
+
+		switch p.readKeyword() {
+		case "string":
+			kind = TypeMap
+
+		case "":
+			kind = TypeArray
+
+		default:
+			return nil
+		}
+
 		if p.next() != ']' {
 			return nil
 		}
@@ -287,7 +305,7 @@ func (p *parser) readType() *Type {
 		if e == nil {
 			return nil
 		}
-		t = &Type{Kind: TypeArray, ElementType: e}
+		t = &Type{Kind: kind, ElementType: e}
 
 	default:
 		p.backup()
@@ -304,6 +322,9 @@ func (p *parser) readType() *Type {
 
 			case "string":
 				t = &Type{Kind: TypeString}
+
+			case "object":
+				t = &Type{Kind: TypeObject}
 			}
 
 		} else if name := p.readTypeName(); name != "" {
diff --git a/vendor/github.com/varlink/go/varlink/idl/idl_test.go b/vendor/github.com/varlink/go/varlink/idl/idl_test.go
deleted file mode 100644
index 5d83d5890..000000000
--- a/vendor/github.com/varlink/go/varlink/idl/idl_test.go
+++ /dev/null
@@ -1,127 +0,0 @@
-package idl
-
-import (
-	"fmt"
-	"runtime"
-	"testing"
-)
-
-/*
-func expect(t *testing.T, expected string, returned string) {
-	if strings.Compare(returned, expected) != 0 {
-		t.Fatalf("Expected(%d): `%s`\nGot(%d): `%s`\n",
-			len(expected), expected,
-			len(returned), returned)
-	}
-}
-*/
-
-func testParse(t *testing.T, pass bool, description string) {
-	_, _, line, _ := runtime.Caller(1)
-
-	t.Run(fmt.Sprintf("Line-%d", line), func(t *testing.T) {
-		midl, err := New(description)
-		if pass {
-			if err != nil {
-				t.Fatalf("generateTemplate(`%s`): %v", description, err)
-			}
-			if len(midl.Name) <= 0 {
-				t.Fatalf("generateTemplate(`%s`): returned no pkgname", description)
-			}
-		}
-		if !pass && (err == nil) {
-			t.Fatalf("generateTemplate(`%s`): did not fail", description)
-		}
-	})
-}
-
-func TestOneMethod(t *testing.T) {
-	testParse(t, true, "interface foo.bar\nmethod Foo()->()")
-}
-
-func TestOneMethodNoType(t *testing.T) {
-	testParse(t, false, "interface foo.bar\nmethod Foo()->(b:)")
-}
-
-func TestDomainNames(t *testing.T) {
-	testParse(t, true, "interface org.varlink.service\nmethod F()->()")
-	testParse(t, true, "interface com.example.0example\nmethod F()->()")
-	testParse(t, true, "interface com.example.example-dash\nmethod F()->()")
-	testParse(t, true, "interface xn--lgbbat1ad8j.example.algeria\nmethod F()->()")
-	testParse(t, false, "interface com.-example.leadinghyphen\nmethod F()->()")
-	testParse(t, false, "interface com.example-.danglinghyphen-\nmethod F()->()")
-	testParse(t, false, "interface Com.example.uppercase-toplevel\nmethod F()->()")
-	testParse(t, false, "interface Co9.example.number-toplevel\nmethod F()->()")
-	testParse(t, false, "interface 1om.example.number-toplevel\nmethod F()->()")
-	testParse(t, false, "interface com.Example\nmethod F()->()")
-	var name string
-	for i := 0; i < 255; i++ {
-		name += "a"
-	}
-	testParse(t, false, "interface com.example.toolong"+name+"\nmethod F()->()")
-	testParse(t, false, "interface xn--example.toolong"+name+"\nmethod F()->()")
-}
-
-func TestNoMethod(t *testing.T) {
-	testParse(t, false, `
-interface org.varlink.service
-  type Interface (name: string, types: []Type, methods: []Method)
-  type Property (key: string, value: string)
-`)
-}
-
-func TestTypeNoArgs(t *testing.T) {
-	testParse(t, true, "interface foo.bar\n type I ()\nmethod F()->()")
-}
-
-func TestTypeOneArg(t *testing.T) {
-	testParse(t, true, "interface foo.bar\n type I (b:bool)\nmethod F()->()")
-}
-
-func TestTypeOneArray(t *testing.T) {
-	testParse(t, true, "interface foo.bar\n type I (b:[]bool)\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\n type I (b:bool[ ])\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\n type I (b:bool[1])\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\n type I (b:bool[ 1 ])\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\n type I (b:bool[ 1 1 ])\nmethod  F()->()")
-}
-
-func TestFieldnames(t *testing.T) {
-	testParse(t, false, "interface foo.bar\n type I (Test:[]bool)\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\n type I (_test:[]bool)\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\n type I (Äest:[]bool)\nmethod  F()->()")
-}
-func TestNestedStructs(t *testing.T) {
-	testParse(t, true, "interface foo.bar\n type I ( b: [](foo: bool, bar: bool, baz: int) )\nmethod  F()->()")
-}
-
-func TestEnum(t *testing.T) {
-	testParse(t, true, "interface foo.bar\n type I (b:(foo, bar, baz))\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\n type I (foo, bar, baz : bool)\nmethod  F()->()")
-}
-
-func TestIncomplete(t *testing.T) {
-	testParse(t, false, "interfacef foo.bar\nmethod  F()->()")
-	testParse(t, false, "interface foo.bar\nmethod  F()->()\ntype I (b: bool")
-	testParse(t, false, "interface foo.bar\nmethod  F()->(")
-	testParse(t, false, "interface foo.bar\nmethod  F(")
-	testParse(t, false, "interface foo.bar\nmethod  ()->()")
-	testParse(t, false, "interface foo.bar\nmethod  F->()\n")
-	testParse(t, false, "interface foo.bar\nmethod  F()->\n")
-	testParse(t, false, "interface foo.bar\nmethod  F()>()\n")
-	testParse(t, false, "interface foo.bar\nmethod  F()->()\ntype (b: bool)")
-	testParse(t, false, "interface foo.bar\nmethod  F()->()\nerror (b: bool)")
-	testParse(t, false, "interface foo.bar\nmethod  F()->()\n dfghdrg")
-}
-
-func TestDuplicate(t *testing.T) {
-	testParse(t, false, `
-interface foo.example
-	type Device()
-	type Device()
-	type T()
-	type T()
-	method F() -> ()
-	method F() -> ()
-`)
-}
diff --git a/vendor/github.com/varlink/go/varlink/service.go b/vendor/github.com/varlink/go/varlink/service.go
index eb110e503..84a79d25b 100644
--- a/vendor/github.com/varlink/go/varlink/service.go
+++ b/vendor/github.com/varlink/go/varlink/service.go
@@ -152,10 +152,6 @@ func activationListener() net.Listener {
 		return nil
 	}
 
-	os.Unsetenv("LISTEN_PID")
-	os.Unsetenv("LISTEN_FDS")
-	os.Unsetenv("LISTEN_FDNAMES")
-
 	return listener
 }
 
diff --git a/vendor/github.com/varlink/go/varlink/varlink_test.go b/vendor/github.com/varlink/go/varlink/varlink_test.go
deleted file mode 100644
index e19e768a2..000000000
--- a/vendor/github.com/varlink/go/varlink/varlink_test.go
+++ /dev/null
@@ -1,232 +0,0 @@
-package varlink
-
-// tests with access to internals
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"strings"
-	"testing"
-)
-
-func expect(t *testing.T, expected string, returned string) {
-	if strings.Compare(returned, expected) != 0 {
-		t.Fatalf("Expected(%d): `%s`\nGot(%d): `%s`\n",
-			len(expected), expected,
-			len(returned), strings.Replace(returned, "\000", "`+\"\\000\"+`", -1))
-	}
-}
-
-func TestService(t *testing.T) {
-	service, _ := NewService(
-		"Varlink",
-		"Varlink Test",
-		"1",
-		"https://github.com/varlink/go/varlink",
-	)
-
-	t.Run("ZeroMessage", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		if err := service.handleMessage(w, []byte{0}); err == nil {
-			t.Fatal("HandleMessage returned non-error")
-		}
-	})
-
-	t.Run("InvalidJson", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"foo.GetInterfaceDescription" fdgdfg}`)
-		if err := service.handleMessage(w, msg); err == nil {
-			t.Fatal("HandleMessage returned no error on invalid json")
-		}
-	})
-
-	t.Run("WrongInterface", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"foo.GetInterfaceDescription"}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatal("HandleMessage returned error on wrong interface")
-		}
-		expect(t, `{"parameters":{"interface":"foo"},"error":"org.varlink.service.InterfaceNotFound"}`+"\000",
-			b.String())
-	})
-
-	t.Run("InvalidMethod", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"InvalidMethod"}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatal("HandleMessage returned error on invalid method")
-		}
-		expect(t, `{"parameters":{"parameter":"method"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
-			b.String())
-	})
-
-	t.Run("WrongMethod", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.varlink.service.WrongMethod"}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatal("HandleMessage returned error on wrong method")
-		}
-		expect(t, `{"parameters":{"method":"WrongMethod"},"error":"org.varlink.service.MethodNotFound"}`+"\000",
-			b.String())
-	})
-
-	t.Run("GetInterfaceDescriptionNullParameters", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters": null}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"parameters":{"parameter":"parameters"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
-			b.String())
-	})
-
-	t.Run("GetInterfaceDescriptionNoInterface", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters":{}}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"parameters":{"parameter":"interface"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
-			b.String())
-	})
-
-	t.Run("GetInterfaceDescriptionWrongInterface", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters":{"interface":"foo"}}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"parameters":{"parameter":"interface"},"error":"org.varlink.service.InvalidParameter"}`+"\000",
-			b.String())
-	})
-
-	t.Run("GetInterfaceDescription", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.varlink.service.GetInterfaceDescription","parameters":{"interface":"org.varlink.service"}}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"parameters":{"description":"# The Varlink Service Interface is provided by every varlink service. It\n# describes the service and the interfaces it implements.\ninterface org.varlink.service\n\n# Get a list of all the interfaces a service provides and information\n# about the implementation.\nmethod GetInfo() -\u003e (\n  vendor: string,\n  product: string,\n  version: string,\n  url: string,\n  interfaces: []string\n)\n\n# Get the description of an interface that is implemented by this service.\nmethod GetInterfaceDescription(interface: string) -\u003e (description: string)\n\n# The requested interface was not found.\nerror InterfaceNotFound (interface: string)\n\n# The requested method was not found\nerror MethodNotFound (method: string)\n\n# The interface defines the requested method, but the service does not\n# implement it.\nerror MethodNotImplemented (method: string)\n\n# One of the passed parameters is invalid.\nerror InvalidParameter (parameter: string)"}}`+"\000",
-			b.String())
-	})
-
-	t.Run("GetInfo", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.varlink.service.GetInfo"}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"parameters":{"vendor":"Varlink","product":"Varlink Test","version":"1","url":"https://github.com/varlink/go/varlink","interfaces":["org.varlink.service"]}}`+"\000",
-			b.String())
-	})
-}
-
-type VarlinkInterface struct{}
-
-func (s *VarlinkInterface) VarlinkDispatch(call Call, methodname string) error {
-	switch methodname {
-	case "Ping":
-		if !call.WantsMore() {
-			return fmt.Errorf("More flag not passed")
-		}
-		if call.IsOneShot() {
-			return fmt.Errorf("OneShot flag set")
-		}
-		call.Continues = true
-		if err := call.Reply(nil); err != nil {
-			return err
-		}
-		if err := call.Reply(nil); err != nil {
-			return err
-		}
-		call.Continues = false
-		if err := call.Reply(nil); err != nil {
-			return err
-		}
-		return nil
-
-	case "PingError":
-		return call.ReplyError("org.example.test.PingError", nil)
-	}
-
-	call.Continues = true
-	if err := call.Reply(nil); err == nil {
-		return fmt.Errorf("call.Reply did not fail for Continues/More mismatch")
-	}
-	call.Continues = false
-
-	if err := call.ReplyError("WrongName", nil); err == nil {
-		return fmt.Errorf("call.ReplyError accepted invalid error name")
-	}
-
-	if err := call.ReplyError("org.varlink.service.MethodNotImplemented", nil); err == nil {
-		return fmt.Errorf("call.ReplyError accepted org.varlink.service error")
-	}
-
-	return call.ReplyMethodNotImplemented(methodname)
-}
-func (s *VarlinkInterface) VarlinkGetName() string {
-	return `org.example.test`
-}
-
-func (s *VarlinkInterface) VarlinkGetDescription() string {
-	return "#"
-}
-
-func TestMoreService(t *testing.T) {
-	newTestInterface := new(VarlinkInterface)
-
-	service, _ := NewService(
-		"Varlink",
-		"Varlink Test",
-		"1",
-		"https://github.com/varlink/go/varlink",
-	)
-
-	if err := service.RegisterInterface(newTestInterface); err != nil {
-		t.Fatalf("Couldn't register service: %v", err)
-	}
-
-	t.Run("MethodNotImplemented", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.example.test.Pingf"}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"parameters":{"method":"Pingf"},"error":"org.varlink.service.MethodNotImplemented"}`+"\000",
-			b.String())
-	})
-
-	t.Run("PingError", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.example.test.PingError", "more" : true}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"error":"org.example.test.PingError"}`+"\000",
-			b.String())
-	})
-	t.Run("MoreTest", func(t *testing.T) {
-		var b bytes.Buffer
-		w := bufio.NewWriter(&b)
-		msg := []byte(`{"method":"org.example.test.Ping", "more" : true}`)
-		if err := service.handleMessage(w, msg); err != nil {
-			t.Fatalf("HandleMessage returned error: %v", err)
-		}
-		expect(t, `{"continues":true}`+"\000"+`{"continues":true}`+"\000"+`{}`+"\000",
-			b.String())
-	})
-}