Buffet: Move buffet over to platform2 from src/platform/buffet.
This change also open-sources buffet. The only change in this CL
is the removal of the Makefile and addition of the buffet.gyp file.
BUG=chromium:355180
TEST=USE=buffet emerge-gizmo platform2
Change-Id: Ibf8d3ac3f38313f82a9c07d79932b6f30130f9c5
diff --git a/buffet/main.cc b/buffet/main.cc
new file mode 100644
index 0000000..0b2e493
--- /dev/null
+++ b/buffet/main.cc
@@ -0,0 +1,87 @@
+// Copyright 2014 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 <string>
+
+#include <base/at_exit.h>
+#include <base/command_line.h>
+#include <base/file_util.h>
+#include <base/files/file_path.h>
+#include <base/logging.h>
+#include <base/message_loop/message_loop.h>
+#include <base/strings/string_util.h>
+#include <base/strings/stringprintf.h>
+#include <gflags/gflags.h>
+
+#include "buffet/dbus_manager.h"
+
+DEFINE_string(logsroot, "/var/log", "Root directory for buffet logs.");
+
+namespace {
+
+// Returns |utime| as a string
+std::string GetTimeAsString(time_t utime) {
+ struct tm tm;
+ CHECK_EQ(localtime_r(&utime, &tm), &tm);
+ char str[16];
+ CHECK_EQ(strftime(str, sizeof(str), "%Y%m%d-%H%M%S", &tm), 15UL);
+ return std::string(str);
+}
+
+// Sets up a symlink to point to log file.
+void SetupLogSymlink(const std::string& symlink_path,
+ const std::string& log_path) {
+ base::DeleteFile(base::FilePath(symlink_path), true);
+ if (symlink(log_path.c_str(), symlink_path.c_str()) == -1) {
+ LOG(ERROR) << "Unable to create symlink " << symlink_path
+ << " pointing at " << log_path;
+ }
+}
+
+// Creates new log file based on timestamp in |logs_root|/buffet.
+std::string SetupLogFile(const std::string& logs_root) {
+ const auto log_symlink = logs_root + "/buffet.log";
+ const auto logs_dir = logs_root + "/buffet";
+ const auto log_path =
+ base::StringPrintf("%s/buffet.%s",
+ logs_dir.c_str(),
+ GetTimeAsString(::time(NULL)).c_str());
+ mkdir(logs_dir.c_str(), 0755);
+ SetupLogSymlink(log_symlink, log_path);
+ return log_symlink;
+}
+
+// Sets up logging for buffet.
+void SetupLogging(const std::string& logs_root) {
+ const auto log_file = SetupLogFile(logs_root);
+ logging::LoggingSettings settings;
+ settings.logging_dest = logging::LOG_TO_ALL;
+ settings.log_file = log_file.c_str();
+ settings.lock_log = logging::DONT_LOCK_LOG_FILE;
+ settings.delete_old = logging::APPEND_TO_OLD_LOG_FILE;
+ logging::InitLogging(settings);
+}
+
+} // namespace
+
+int main(int argc, char* argv[]) {
+ // Parse the args and check for extra args.
+ CommandLine::Init(argc, argv);
+ google::ParseCommandLineFlags(&argc, &argv, true);
+ CHECK_EQ(argc, 1) << "Unexpected arguments. Try --help";
+
+ SetupLogging(FLAGS_logsroot);
+
+ base::AtExitManager at_exit_manager;
+ base::MessageLoopForIO message_loop;
+
+ // Initialize the dbus_manager.
+ buffet::DBusManager dbus_manager;
+ dbus_manager.Init();
+
+ message_loop.Run();
+
+ dbus_manager.Finalize();
+ return 0;
+}