1 /* 2 * Copyright 2021 Google LLC 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 #ifndef FCP_CLIENT_ENGINE_CACHING_ERROR_REPORTER_H_ 17 #define FCP_CLIENT_ENGINE_CACHING_ERROR_REPORTER_H_ 18 19 #include <string> 20 #include <vector> 21 22 #include "absl/synchronization/mutex.h" 23 #include "tensorflow/lite/core/api/error_reporter.h" 24 25 namespace fcp { 26 namespace client { 27 namespace engine { 28 29 // This implementation of ErrorReporter stores all the error messages. 30 class CachingErrorReporter : public tflite::ErrorReporter { 31 public: 32 int Report(const char* format, va_list args) override 33 ABSL_LOCKS_EXCLUDED(mutex_); 34 std::string GetFirstErrorMessage() ABSL_LOCKS_EXCLUDED(mutex_); 35 36 private: 37 absl::Mutex mutex_; 38 static constexpr int kBufferSize = 1024; 39 // There could be more than one error messages so we store all of them. 40 std::vector<std::string> error_messages_ ABSL_GUARDED_BY(mutex_); 41 }; 42 43 } // namespace engine 44 } // namespace client 45 } // namespace fcp 46 47 #endif // FCP_CLIENT_ENGINE_CACHING_ERROR_REPORTER_H_ 48