1 /**
2 * Copyright 2021-2022 Huawei Technologies Co., Ltd
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "extendrt/mindir_loader/model_loader.h"
18
19 namespace mindspore::infer {
20 constexpr size_t kMaxModelBufferSize = static_cast<size_t>(1024) * 1024 * 1024 * 2;
21
InitModelBuffer(AbstractBaseModel * model,const char * model_buf,size_t size,bool take_buf)22 int ModelLoader::InitModelBuffer(AbstractBaseModel *model, const char *model_buf, size_t size, bool take_buf) {
23 if (model_buf == nullptr || size == 0) {
24 MS_LOG(ERROR) << "Input model buffer is nullptr.";
25 return mindspore::lite::RET_INPUT_PARAM_INVALID;
26 }
27 MS_ASSERT(model != nullptr);
28 if (take_buf) {
29 model->buf = const_cast<char *>(model_buf);
30 } else {
31 if (size > kMaxModelBufferSize) {
32 MS_LOG(ERROR) << "Input model buffer size invalid, require (0, 2GB].";
33 return mindspore::lite::RET_ERROR;
34 }
35 model->buf = new char[size];
36 if (model->buf == nullptr) {
37 MS_LOG(ERROR) << "new inner model buf fail!";
38 return mindspore::lite::RET_NULL_PTR;
39 }
40 memcpy(model->buf, model_buf, size);
41 }
42 model->buf_size_ = size;
43 return mindspore::lite::RET_OK;
44 }
45
ModelLoaderRegistry()46 ModelLoaderRegistry::ModelLoaderRegistry() {}
47
~ModelLoaderRegistry()48 ModelLoaderRegistry::~ModelLoaderRegistry() {}
49
GetInstance()50 ModelLoaderRegistry *ModelLoaderRegistry::GetInstance() {
51 static ModelLoaderRegistry instance;
52 return &instance;
53 }
54 } // namespace mindspore::infer
55