Index: src/platform/update_engine/main.cc |
diff --git a/src/platform/update_engine/main.cc b/src/platform/update_engine/main.cc |
index bbb6401e1db67b809167f60bdb90637a2725a019..bbd992767b9cc68886e506acf364ad0a3be1d295 100644 |
--- a/src/platform/update_engine/main.cc |
+++ b/src/platform/update_engine/main.cc |
@@ -2,12 +2,159 @@ |
// Use of this source code is governed by a BSD-style license that can be |
// found in the LICENSE file. |
+#include <string> |
+#include <tr1/memory> |
+#include <vector> |
+#include <gflags/gflags.h> |
#include <glib.h> |
+#include "chromeos/obsolete_logging.h" |
+#include "update_engine/action_processor.h" |
+#include "update_engine/download_action.h" |
+#include "update_engine/filesystem_copier_action.h" |
+#include "update_engine/install_action.h" |
+#include "update_engine/libcurl_http_fetcher.h" |
+#include "update_engine/omaha_request_prep_action.h" |
+#include "update_engine/omaha_response_handler_action.h" |
+#include "update_engine/postinstall_runner_action.h" |
+#include "update_engine/set_bootable_flag_action.h" |
+#include "update_engine/update_check_action.h" |
+ |
+using std::string; |
+using std::tr1::shared_ptr; |
+using std::vector; |
+ |
+namespace chromeos_update_engine { |
+ |
+class UpdateAttempter : public ActionProcessorDelegate { |
+ public: |
+ UpdateAttempter(GMainLoop *loop) |
+ : full_update_(false), |
+ loop_(loop) {} |
+ void Update(bool force_full_update); |
+ |
+ // Delegate method: |
+ void ProcessingDone(const ActionProcessor* processor, bool success); |
+ private: |
+ bool full_update_; |
+ vector<shared_ptr<AbstractAction> > actions_; |
+ ActionProcessor processor_; |
+ GMainLoop *loop_; |
+ |
+ // pointer to the OmahaResponseHandlerAction in the actions_ vector; |
+ shared_ptr<OmahaResponseHandlerAction> response_handler_action_; |
+ DISALLOW_COPY_AND_ASSIGN(UpdateAttempter); |
+}; |
+ |
+// Returns true on success. If there was no update available, that's still |
+// success. |
+// If force_full is true, try to force a full update. |
+void UpdateAttempter::Update(bool force_full_update) { |
+ full_update_ = force_full_update; |
+ CHECK(!processor_.IsRunning()); |
+ processor_.set_delegate(this); |
+ |
+ // Actions: |
+ shared_ptr<OmahaRequestPrepAction> request_prep_action( |
+ new OmahaRequestPrepAction(force_full_update)); |
+ shared_ptr<UpdateCheckAction> update_check_action( |
+ new UpdateCheckAction(new LibcurlHttpFetcher)); |
+ shared_ptr<OmahaResponseHandlerAction> response_handler_action( |
+ new OmahaResponseHandlerAction); |
+ shared_ptr<FilesystemCopierAction> filesystem_copier_action( |
+ new FilesystemCopierAction); |
+ shared_ptr<DownloadAction> download_action( |
+ new DownloadAction(new LibcurlHttpFetcher)); |
+ shared_ptr<InstallAction> install_action( |
+ new InstallAction); |
+ shared_ptr<PostinstallRunnerAction> postinstall_runner_action( |
+ new PostinstallRunnerAction); |
+ shared_ptr<SetBootableFlagAction> set_bootable_flag_action( |
+ new SetBootableFlagAction); |
+ |
+ response_handler_action_ = response_handler_action; |
+ |
+ actions_.push_back(shared_ptr<AbstractAction>(request_prep_action)); |
+ actions_.push_back(shared_ptr<AbstractAction>(update_check_action)); |
+ actions_.push_back(shared_ptr<AbstractAction>(response_handler_action)); |
+ actions_.push_back(shared_ptr<AbstractAction>(filesystem_copier_action)); |
+ actions_.push_back(shared_ptr<AbstractAction>(download_action)); |
+ actions_.push_back(shared_ptr<AbstractAction>(install_action)); |
+ actions_.push_back(shared_ptr<AbstractAction>(postinstall_runner_action)); |
+ actions_.push_back(shared_ptr<AbstractAction>(set_bootable_flag_action)); |
+ |
+ // Enqueue the actions |
+ for (vector<shared_ptr<AbstractAction> >::iterator it = actions_.begin(); |
+ it != actions_.end(); ++it) { |
+ processor_.EnqueueAction(it->get()); |
+ } |
+ |
+ // Bond them together. We have to use the leaf-types when calling |
+ // BondActions(). |
+ BondActions(request_prep_action.get(), update_check_action.get()); |
+ BondActions(update_check_action.get(), response_handler_action.get()); |
+ BondActions(response_handler_action.get(), filesystem_copier_action.get()); |
+ BondActions(filesystem_copier_action.get(), download_action.get()); |
+ BondActions(download_action.get(), install_action.get()); |
+ BondActions(install_action.get(), postinstall_runner_action.get()); |
+ BondActions(postinstall_runner_action.get(), set_bootable_flag_action.get()); |
+ |
+ processor_.StartProcessing(); |
+} |
+ |
+void UpdateAttempter::ProcessingDone(const ActionProcessor* processor, |
+ bool success) { |
+ CHECK(response_handler_action_); |
+ if (response_handler_action_->GotNoUpdateResponse()) { |
+ // All done. |
+ g_main_loop_quit(loop_); |
+ return; |
+ } |
+ if (!success) { |
+ if (!full_update_) { |
+ LOG(ERROR) << "Update failed. Attempting full update"; |
+ actions_.clear(); |
+ response_handler_action_.reset(); |
+ Update(true); |
+ return; |
+ } else { |
+ LOG(ERROR) << "Full update failed. Aborting"; |
+ } |
+ } |
+ g_main_loop_quit(loop_); |
+} |
+ |
+gboolean UpdateInMainLoop(void* arg) { |
+ UpdateAttempter* update_attempter = reinterpret_cast<UpdateAttempter*>(arg); |
+ update_attempter->Update(false); |
+ return FALSE; // Don't call this callback function again |
+} |
+ |
+} // namespace chromeos_update_engine |
#include "update_engine/subprocess.h" |
int main(int argc, char** argv) { |
g_thread_init(NULL); |
chromeos_update_engine::Subprocess::Init(); |
+ google::ParseCommandLineFlags(&argc, &argv, true); |
+ // TODO(adlr): figure out log file |
+ logging::InitLogging("", |
+ logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG, |
+ logging::DONT_LOCK_LOG_FILE, |
+ logging::APPEND_TO_OLD_LOG_FILE); |
+ LOG(INFO) << "Chrome OS Update Engine starting"; |
+ |
+ // Create the single GMainLoop |
+ GMainLoop *loop = g_main_loop_new(g_main_context_default(), FALSE); |
+ |
+ chromeos_update_engine::UpdateAttempter update_attempter(loop); |
+ |
+ g_timeout_add(0, &chromeos_update_engine::UpdateInMainLoop, |
+ &update_attempter); |
+ |
+ g_main_loop_run(loop); |
+ g_main_loop_unref(loop); |
+ |
+ LOG(INFO) << "Chrome OS Update Engine terminating"; |
return 0; |
} |