AU: Beginnings of delta support

src/platform/update_engine/action_processor.cc

 // Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "update_engine/action_processor.h"
+#include "chromeos/obsolete_logging.h"
 #include "update_engine/action.h"
 
 namespace chromeos_update_engine {
 
 ActionProcessor::ActionProcessor()
     : current_action_(NULL), delegate_(NULL) {}
 
 ActionProcessor::~ActionProcessor() {
   if (IsRunning()) {
     StopProcessing();
@@ skipping 26 matching lines @@
   current_action_->TerminateProcessing();
   CHECK(current_action_);
   current_action_->SetProcessor(NULL);
   LOG(INFO) << "ActionProcessor::StopProcessing: aborted "
             << current_action_->Type();
   current_action_ = NULL;
   if (delegate_)
     delegate_->ProcessingStopped(this);
 }
 
-void ActionProcessor::ActionComplete(const AbstractAction* actionptr,
+void ActionProcessor::ActionComplete(AbstractAction* actionptr,
                                      bool success) {
   CHECK_EQ(actionptr, current_action_);
   if (delegate_)
     delegate_->ActionCompleted(this, actionptr, success);
   string old_type = current_action_->Type();
   current_action_->SetProcessor(NULL);
   current_action_ = NULL;
   if (actions_.empty()) {
     LOG(INFO) << "ActionProcessor::ActionComplete: finished last action of"
                  " type " << old_type;
+  } else if (!success) {
+    LOG(INFO) << "ActionProcessor::ActionComplete: " << old_type
+              << " action failed. Aborting processing.";
+    actions_.clear();
+  }
+  if (actions_.empty()) {
+    LOG(INFO) << "ActionProcessor::ActionComplete: finished last action of"
+                 " type " << old_type;
     if (delegate_) {
       delegate_->ProcessingDone(this);
     }
     return;
   }
   current_action_ = actions_.front();
   actions_.pop_front();
   LOG(INFO) << "ActionProcessor::ActionComplete: finished " << old_type
             << ", starting " << current_action_->Type();
   current_action_->PerformAction();
 }
 
 }  // namespace chromeos_update_engine