Initial checkin from CRI-O repo

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

1 files changed, 147 insertions, 0 deletions

diff --git a/vendor/github.com/godbus/dbus/object.go b/vendor/github.com/godbus/dbus/object.go
new file mode 100644
index 000000000..6d95583d7
--- /dev/null
+++ b/vendor/github.com/godbus/dbus/object.go
@@ -0,0 +1,147 @@
+package dbus
+
+import (
+	"errors"
+	"strings"
+)
+
+// BusObject is the interface of a remote object on which methods can be
+// invoked.
+type BusObject interface {
+	Call(method string, flags Flags, args ...interface{}) *Call
+	Go(method string, flags Flags, ch chan *Call, args ...interface{}) *Call
+	GetProperty(p string) (Variant, error)
+	Destination() string
+	Path() ObjectPath
+}
+
+// Object represents a remote object on which methods can be invoked.
+type Object struct {
+	conn *Conn
+	dest string
+	path ObjectPath
+}
+
+// Call calls a method with (*Object).Go and waits for its reply.
+func (o *Object) Call(method string, flags Flags, args ...interface{}) *Call {
+	return <-o.Go(method, flags, make(chan *Call, 1), args...).Done
+}
+
+// AddMatchSignal subscribes BusObject to signals from specified interface and
+// method (member).
+func (o *Object) AddMatchSignal(iface, member string) *Call {
+	return o.Call(
+		"org.freedesktop.DBus.AddMatch",
+		0,
+		"type='signal',interface='"+iface+"',member='"+member+"'",
+	)
+}
+
+// Go calls a method with the given arguments asynchronously. It returns a
+// Call structure representing this method call. The passed channel will
+// return the same value once the call is done. If ch is nil, a new channel
+// will be allocated. Otherwise, ch has to be buffered or Go will panic.
+//
+// If the flags include FlagNoReplyExpected, ch is ignored and a Call structure
+// is returned with any error in Err and a closed channel in Done containing
+// the returned Call as it's one entry.
+//
+// If the method parameter contains a dot ('.'), the part before the last dot
+// specifies the interface on which the method is called.
+func (o *Object) Go(method string, flags Flags, ch chan *Call, args ...interface{}) *Call {
+	iface := ""
+	i := strings.LastIndex(method, ".")
+	if i != -1 {
+		iface = method[:i]
+	}
+	method = method[i+1:]
+	msg := new(Message)
+	msg.Type = TypeMethodCall
+	msg.serial = o.conn.getSerial()
+	msg.Flags = flags & (FlagNoAutoStart | FlagNoReplyExpected)
+	msg.Headers = make(map[HeaderField]Variant)
+	msg.Headers[FieldPath] = MakeVariant(o.path)
+	msg.Headers[FieldDestination] = MakeVariant(o.dest)
+	msg.Headers[FieldMember] = MakeVariant(method)
+	if iface != "" {
+		msg.Headers[FieldInterface] = MakeVariant(iface)
+	}
+	msg.Body = args
+	if len(args) > 0 {
+		msg.Headers[FieldSignature] = MakeVariant(SignatureOf(args...))
+	}
+	if msg.Flags&FlagNoReplyExpected == 0 {
+		if ch == nil {
+			ch = make(chan *Call, 10)
+		} else if cap(ch) == 0 {
+			panic("dbus: unbuffered channel passed to (*Object).Go")
+		}
+		call := &Call{
+			Destination: o.dest,
+			Path:        o.path,
+			Method:      method,
+			Args:        args,
+			Done:        ch,
+		}
+		o.conn.callsLck.Lock()
+		o.conn.calls[msg.serial] = call
+		o.conn.callsLck.Unlock()
+		o.conn.outLck.RLock()
+		if o.conn.closed {
+			call.Err = ErrClosed
+			call.Done <- call
+		} else {
+			o.conn.out <- msg
+		}
+		o.conn.outLck.RUnlock()
+		return call
+	}
+	o.conn.outLck.RLock()
+	defer o.conn.outLck.RUnlock()
+	done := make(chan *Call, 1)
+	call := &Call{
+		Err:  nil,
+		Done: done,
+	}
+	defer func() {
+		call.Done <- call
+		close(done)
+	}()
+	if o.conn.closed {
+		call.Err = ErrClosed
+		return call
+	}
+	o.conn.out <- msg
+	return call
+}
+
+// GetProperty calls org.freedesktop.DBus.Properties.GetProperty on the given
+// object. The property name must be given in interface.member notation.
+func (o *Object) GetProperty(p string) (Variant, error) {
+	idx := strings.LastIndex(p, ".")
+	if idx == -1 || idx+1 == len(p) {
+		return Variant{}, errors.New("dbus: invalid property " + p)
+	}
+
+	iface := p[:idx]
+	prop := p[idx+1:]
+
+	result := Variant{}
+	err := o.Call("org.freedesktop.DBus.Properties.Get", 0, iface, prop).Store(&result)
+
+	if err != nil {
+		return Variant{}, err
+	}
+
+	return result, nil
+}
+
+// Destination returns the destination that calls on (o *Object) are sent to.
+func (o *Object) Destination() string {
+	return o.dest
+}
+
+// Path returns the path that calls on (o *Object") are sent to.
+func (o *Object) Path() ObjectPath {
+	return o.path
+}