Missed new files in last commit

src/platform/update_engine/omaha_response_handler_action.cc

Index: src/platform/update_engine/omaha_response_handler_action.cc
diff --git a/src/platform/update_engine/omaha_response_handler_action.cc b/src/platform/update_engine/omaha_response_handler_action.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0a8472ea22aa9a10f9991fb167fdb25b7f4e355e
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+++ b/src/platform/update_engine/omaha_response_handler_action.cc
@@ -0,0 +1,76 @@
+// Copyright (c) 2009 The Chromium 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/omaha_response_handler_action.h"
+#include <string>
+#include "update_engine/utils.h"
+
+using std::string;
+
+namespace chromeos_update_engine {
+
+namespace {
+// If the file part of the download URL contains kFullUpdateTag, then and
+// only then do we assume it's a full update. Otherwise, we assume it's a
+// delta update.
+const string kFullUpdateTag = "_FULL_";
+}  // namespace
+
+void OmahaResponseHandlerAction::PerformAction() {
+  CHECK(HasInputObject());
+  ScopedActionCompleter completer(processor_, this);
+  const UpdateCheckResponse& response = GetInputObject();
+  if (!response.update_exists) {
+    LOG(INFO) << "There are no updates. Aborting.";
+    return;
+  }
+  InstallPlan install_plan;
+  install_plan.download_url = response.codebase;
+  install_plan.download_hash = response.hash;
+  TEST_AND_RETURN(GetInstallDev(
+      (!boot_device_.empty() ? boot_device_ : utils::BootDevice()),
+      &install_plan.install_path));
+
+  // Get the filename part of the url. Assume that if it has kFullUpdateTag
+  // in the name, it's a full update.
+  string::size_type last_slash = response.codebase.rfind('/');
+  string filename;
+  if (last_slash == string::npos)
+    filename = response.codebase;
+  else
+    filename = response.codebase.substr(last_slash + 1);
+  install_plan.is_full_update = (filename.find(kFullUpdateTag) != string::npos);
+
+  if (filename.size() > 255) {
+    // Very long name. Let's shorten it
+    filename.resize(255);
+  }
+  // TODO(adlr): come up with a better place to download to:
+  install_plan.download_path = utils::kStatefulPartition + "/" + filename;
+  if (HasOutputPipe())
+    SetOutputObject(install_plan);
+  LOG(INFO) << "Using this install plan:";
+  install_plan.Dump();
+  completer.set_success(true);
+}
+
+bool OmahaResponseHandlerAction::GetInstallDev(const std::string& boot_dev,
+                                               std::string* install_dev) {
+  TEST_AND_RETURN_FALSE(!boot_dev.empty());
+  string ret(boot_dev);
+  char last_char = *ret.rbegin();
+  TEST_AND_RETURN_FALSE((last_char >= '0') && (last_char <= '9'));
+  // Chop off last char
+  ret.resize(ret.size() - 1);
+  // If last_char is odd (1 or 3), increase it, otherwise decrease
+  if (last_char % 2)
+    last_char++;
+  else
+    last_char--;
+  ret += last_char;
+  *install_dev = ret;
+  return true;
+}
+
+}  // namespace chromeos_update_engine