1 | /* Copyright 2015 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 | #ifndef TENSORFLOW_CORE_GRAPH_VALIDATE_H_ |
17 | #define TENSORFLOW_CORE_GRAPH_VALIDATE_H_ |
18 | |
19 | #include "tensorflow/core/framework/graph.pb.h" |
20 | #include "tensorflow/core/framework/op.h" |
21 | #include "tensorflow/core/graph/graph.h" |
22 | #include "tensorflow/core/lib/core/status.h" |
23 | |
24 | namespace tensorflow { |
25 | namespace graph { |
26 | |
27 | // Returns OK if every NodeDef in `graph_def` is valid with respect to |
28 | // its corresponding OpDef (as defined by ValidateNodeDef()) as |
29 | // registered in `op_registry`. Also checks for deprecated ops. |
30 | // |
31 | // REQUIRES: |
32 | // * `op_registry` is not nullptr. |
33 | // * `graph_def` has default attrs filled in (see AddDefaultAttrsToGraphDef()). |
34 | Status ValidateGraphDef(const GraphDef& graph_def, |
35 | const OpRegistryInterface& op_registry); |
36 | |
37 | // Like ValidateGraphDef() except it makes a copy of `graph_def` and calls |
38 | // AddDefaultAttrsToGraphDef() on the copy, removing that requirement from the |
39 | // caller. |
40 | Status ValidateGraphDefAgainstOpRegistry( |
41 | const GraphDef& graph_def, const OpRegistryInterface& op_registry); |
42 | |
43 | // Like ValidateGraphDefAgainstOpRegistry() except it takes an OpList |
44 | // instead of an OpRegistryInterface. Note that the OpList need not |
45 | // have descriptions, which can be a big space savings, see |
46 | // GetOpListForValidation() below. |
47 | Status ValidateGraphDefAgainstOpList(const GraphDef& graph_def, |
48 | const OpList& op_list); |
49 | |
50 | // Get an OpList from `*op_registry` with all the descriptions removed. |
51 | void GetOpListForValidation( |
52 | OpList* op_list, const OpRegistry& op_registry = *OpRegistry::Global()); |
53 | |
54 | // Validate that the graph has no cycle except for legal while loop cycles. |
55 | // This traverses the specified nodes in topological order to verify there are |
56 | // no cycles. Starting with inputless nodes, it visits nodes whose inputs have |
57 | // all been visited, and counts the total number of visited nodes. If there is a |
58 | // cycle, nodes in the cycle will never be visited, and the visited count will |
59 | // be less than the total node count. |
60 | Status ValidateGraphHasNoCycle(const Graph& graph); |
61 | |
62 | // Returns OK if the graph has no duplicate node names. |
63 | Status VerifyNoDuplicateNodeNames(const GraphDef& graph); |
64 | |
65 | } // namespace graph |
66 | } // namespace tensorflow |
67 | |
68 | #endif // TENSORFLOW_CORE_GRAPH_VALIDATE_H_ |
69 | |