| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef IDMAP2_INCLUDE_IDMAP2_SYSTRACE_H_ |
| #define IDMAP2_INCLUDE_IDMAP2_SYSTRACE_H_ |
| |
| #define ATRACE_TAG ATRACE_TAG_RRO |
| |
| #include <sstream> |
| #include <vector> |
| |
| #include "cutils/trace.h" |
| |
| namespace android::idmap2::utils { |
| #ifdef __ANDROID__ |
| |
| class ScopedTraceNoStart { |
| public: |
| ~ScopedTraceNoStart() { |
| ATRACE_END(); |
| } |
| }; |
| |
| class ScopedTraceMessageHelper { |
| public: |
| ~ScopedTraceMessageHelper() { |
| ATRACE_BEGIN(buffer_.str().c_str()); |
| } |
| |
| std::ostream& stream() { |
| return buffer_; |
| } |
| |
| private: |
| std::ostringstream buffer_; |
| }; |
| |
| #define SYSTRACE \ |
| android::idmap2::utils::ScopedTraceNoStart _trace##__LINE__; \ |
| (ATRACE_ENABLED()) && android::idmap2::utils::ScopedTraceMessageHelper().stream() |
| |
| #else |
| |
| class DummyStream { |
| public: |
| std::ostream& stream() { |
| return buffer_; |
| } |
| |
| private: |
| std::ostringstream buffer_; |
| }; |
| |
| #define SYSTRACE android::idmap2::utils::DummyStream().stream() |
| |
| #endif |
| } // namespace android::idmap2::utils |
| |
| template <typename T> |
| std::ostream& operator<<(std::ostream& stream, const std::vector<T>& vector) { |
| bool first = true; |
| stream << "["; |
| for (const auto& item : vector) { |
| if (!first) { |
| stream << ", "; |
| } |
| stream << item; |
| first = false; |
| } |
| stream << "]"; |
| return stream; |
| } |
| |
| #endif // IDMAP2_INCLUDE_IDMAP2_SYSTRACE_H_ |