add offline topo creator

modules/routing/tools/BUILD

+load("//tools:cpplint.bzl", "cpplint")
+
+package(default_visibility = ["//visibility:public"])
+
+cc_binary(
+    name = "topo_creator_main",
+    srcs = ["topo_creator_main.cc"],
+    deps = [
+        "//external:gflags",
+        "//modules/routing/topo_creator",
+        "//modules/common:log",
+        "//modules/routing/common"
+    ],
+)
+
+cpplint()
+

modules/routing/tools/topo_creator_main.cc

+/******************************************************************************
+ * Copyright 2017 The Apollo Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *****************************************************************************/
+
+#include <memory>
+
+#include "gflags/gflags.h"
+#include "modules/routing/common/routing_gflags.h"
+#include "modules/routing/topo_creator/graph_creator.h"
+#include "modules/common/log.h"
+
+DEFINE_string(base_map_dir, "/apollo/modules/map/data", "directory of base map");
+DEFINE_string(base_map_name, "base_map.bin", "file name of base map");
+DEFINE_string(dump_topo_path, "/apollo/modules/map/data/routing_map.bin", "dump path of routing topology file");
+
+int main(int argc, char **argv) {
+  google::InitGoogleLogging(argv[0]);
+  google::ParseCommandLineFlags(&argc, &argv, true);
+  std::unique_ptr<::apollo::routing::GraphCreator> creator_ptr;
+  creator_ptr.reset(new ::apollo::routing::GraphCreator(
+                                FLAGS_base_map_dir + "/" + FLAGS_base_map_name,
+                                FLAGS_dump_topo_path));
+  if (!creator_ptr->create()) {
+    AERROR << "Create router topo failed!";
+    return -1;
+  }
+  return 0;
+}
+

modules/routing/topo_creator/BUILD

@@ -55,7 +55,7 @@ cc_library(
     ],
 )
 
-cc_binary(
+cc_library(
     name = "topo_creator",
     srcs = ["topo_creator.cc"],
     deps = [