Missed new files in last commit
Review URL: http://codereview.chromium.org/465067
git-svn-id: svn://chrome-svn/chromeos/trunk@336 06c00378-0e64-4dae-be16-12b19f9950a1
diff --git a/omaha_response_handler_action.cc b/omaha_response_handler_action.cc
new file mode 100644
index 0000000..0a8472e
--- /dev/null
+++ b/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