1 | /* Copyright 2019 The TensorFlow Authors. All Rights Reserved. |
---|---|
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | #include "tensorflow/core/framework/logging.h" |
17 | |
18 | #include <iostream> |
19 | |
20 | #include "tensorflow/core/lib/strings/str_util.h" |
21 | #include "tensorflow/core/lib/strings/strcat.h" |
22 | |
23 | namespace tensorflow { |
24 | |
25 | namespace logging { |
26 | |
27 | typedef std::vector<void (*)(const char*)> Listeners; |
28 | |
29 | Listeners* GetListeners() { |
30 | static Listeners* listeners = new Listeners; |
31 | return listeners; |
32 | } |
33 | |
34 | bool RegisterListener(void (*listener)(const char*)) { |
35 | GetListeners()->push_back(listener); |
36 | return true; |
37 | } |
38 | |
39 | bool LogToListeners(string msg, string end) { |
40 | auto listeners = logging::GetListeners(); |
41 | if (listeners->empty()) { |
42 | return false; |
43 | } |
44 | |
45 | string ended_msg = strings::StrCat(msg, end); |
46 | |
47 | for (auto& listener : *listeners) { |
48 | listener(ended_msg.c_str()); |
49 | } |
50 | |
51 | return true; |
52 | } |
53 | |
54 | } // end namespace logging |
55 | |
56 | } // end namespace tensorflow |
57 |