| /* Copyright 2019 The TensorFlow 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 "tensorflow/core/framework/logging.h" |
| |
| #include <iostream> |
| |
| #include "tensorflow/core/lib/strings/str_util.h" |
| |
| namespace tensorflow { |
| |
| namespace logging { |
| |
| typedef std::vector<void (*)(const char*)> Listeners; |
| |
| Listeners* GetListeners() { |
| static Listeners* listeners = new Listeners; |
| return listeners; |
| } |
| |
| bool RegisterListener(void (*listener)(const char*)) { |
| GetListeners()->push_back(listener); |
| return true; |
| } |
| |
| bool LogToListeners(string msg, string end) { |
| auto listeners = logging::GetListeners(); |
| if (listeners->empty()) { |
| return false; |
| } |
| |
| string ended_msg = strings::StrCat(msg, end); |
| |
| for (auto& listener : *listeners) { |
| listener(ended_msg.c_str()); |
| } |
| |
| return true; |
| } |
| |
| } // end namespace logging |
| |
| } // end namespace tensorflow |