added booted?/boot methods

src/dumm/ext/lib/dumm.rb

@@ -28,7 +28,15 @@ module Dumm
     Bridge.each { |bridge|
       bridge.delete
     }
-    return nil
+    return Dumm
+  end
+  
+  # wait until all running guests have booted up
+  def boot
+    Guest.each {|g|
+	    g.boot if g.running?
+    }
+    return Dumm
   end
 end
 

src/dumm/ext/lib/dumm/guest.rb

@@ -41,6 +41,23 @@ module Dumm
         i.delete
       }
     end
+    
+    # has the guest booted up?
+    def booted?
+      begin
+        exec("pgrep getty")
+      rescue
+        return false
+      end
+      return true
+    end
+    
+    # wait until the guest has booted
+    def boot
+      while not booted?
+        sleep(1)
+      end
+    end
   end
 end
 

src/dumm/mconsole.c

@@ -147,8 +147,11 @@ static int request(private_mconsole_t *this, void(*cb)(void*,char*,size_t),
 			}
 			else if (reply.err)
 			{
-				DBG1("received mconsole error %d: %*.s",
+				if (reply.len && *reply.data)
-					 reply.err, reply.len, reply.data);
+				{
+					DBG1("received mconsole error %d: %*.s",
+						 reply.err, reply.len, reply.data);
+				}
 				break;
 			}
 		}