Almost there...
git-svn-id: svn://chrome-svn/chromeos/trunk@24 06c00378-0e64-4dae-be16-12b19f9950a1
diff --git a/action_processor.cc b/action_processor.cc
new file mode 100644
index 0000000..623e3d2
--- /dev/null
+++ b/action_processor.cc
@@ -0,0 +1,75 @@
+// 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 "update_engine/action.h"
+
+namespace chromeos_update_engine {
+
+ActionProcessor::ActionProcessor()
+ : current_action_(NULL), delegate_(NULL) {}
+
+ActionProcessor::~ActionProcessor() {
+ if (IsRunning()) {
+ StopProcessing();
+ }
+ for (std::deque<AbstractAction*>::iterator it = actions_.begin();
+ it != actions_.end(); ++it) {
+ (*it)->SetProcessor(NULL);
+ }
+}
+
+void ActionProcessor::EnqueueAction(AbstractAction* action) {
+ actions_.push_back(action);
+ action->SetProcessor(this);
+}
+
+void ActionProcessor::StartProcessing() {
+ CHECK(!IsRunning());
+ if (!actions_.empty()) {
+ current_action_ = actions_.front();
+ LOG(INFO) << "ActionProcessor::StartProcessing: "
+ << current_action_->Type();
+ actions_.pop_front();
+ current_action_->PerformAction();
+ }
+}
+
+void ActionProcessor::StopProcessing() {
+ CHECK(IsRunning());
+ CHECK(current_action_);
+ 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,
+ 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;
+ 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