godeps: update vmware/govmomi to v0.20 release

vendor/github.com/vmware/govmomi/simulator/session_manager.go

@@ -24,7 +24,6 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-
 	"github.com/vmware/govmomi/object"
 	"github.com/vmware/govmomi/session"
 	"github.com/vmware/govmomi/vim25/methods"
@@ -173,6 +172,23 @@ func (s *SessionManager) TerminateSession(ctx *Context, req *types.TerminateSess
 	return body
 }
 
+func (s *SessionManager) SessionIsActive(ctx *Context, req *types.SessionIsActive) soap.HasFault {
+	body := new(methods.SessionIsActiveBody)
+
+	if ctx.Map.IsESX() {
+		body.Fault_ = Fault("", new(types.NotImplemented))
+		return body
+	}
+
+	body.Res = new(types.SessionIsActiveResponse)
+
+	if session, exists := s.sessions[req.SessionID]; exists {
+		body.Res.Returnval = session.UserName == req.UserName
+	}
+
+	return body
+}
+
 func (s *SessionManager) AcquireCloneTicket(ctx *Context, _ *types.AcquireCloneTicket) soap.HasFault {
 	session := *ctx.Session
 	session.Key = uuid.New().String()
@@ -234,7 +250,7 @@ var invalidLogin = Fault("Login failure", new(types.InvalidLogin))
 type Context struct {
 	req *http.Request
 	res http.ResponseWriter
-	m   *SessionManager
+	svc *Service
 
 	context.Context
 	Session *Session
@@ -246,7 +262,7 @@ type Context struct {
 // mapSession maps an HTTP cookie to a Session.
 func (c *Context) mapSession() {
 	if cookie, err := c.req.Cookie(soap.SessionCookieName); err == nil {
-		if val, ok := c.m.sessions[cookie.Value]; ok {
+		if val, ok := c.svc.sm.sessions[cookie.Value]; ok {
 			c.SetSession(val, false)
 		}
 	}
@@ -258,7 +274,7 @@ func (c *Context) SetSession(session Session, login bool) {
 	session.IpAddress = strings.Split(c.req.RemoteAddr, ":")[0]
 	session.LastActiveTime = time.Now()
 
-	c.m.sessions[session.Key] = session
+	c.svc.sm.sessions[session.Key] = session
 	c.Session = &session
 
 	if login {