| /* |
| * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_JFR_WRITERS_JFRWRITERHOST_HPP |
| #define SHARE_VM_JFR_WRITERS_JFRWRITERHOST_HPP |
| |
| #include "jni.h" |
| #include "utilities/globalDefinitions.hpp" |
| #include "jfr/utilities/jfrTime.hpp" |
| |
| class ClassLoaderData; |
| class Klass; |
| class Method; |
| class ModuleEntry; |
| class PackageEntry; |
| class Symbol; |
| class Thread; |
| |
| // BE == Base Encoder |
| // IE == Integer Encoder |
| template <typename BE, typename IE, typename WriterPolicyImpl > |
| class WriterHost : public WriterPolicyImpl { |
| private: |
| const bool _compressed_integers; |
| |
| template <typename T> |
| void write_padded(T value); |
| template <typename T> |
| void write_padded(const T* value, size_t len); |
| template <typename T> |
| u1* write_padded(const T* value, size_t len, u1* pos); |
| template <typename T> |
| void write(const T* value, size_t len); |
| template <typename T> |
| u1* write(const T* value, size_t len, u1* pos); |
| void write_utf8(const char* value); |
| void write_utf16(const jchar* value, jint len); |
| |
| protected: |
| template <typename T> |
| void be_write(T value); |
| template <typename T> |
| void be_write(const T* value, size_t len); |
| template <typename StorageType> |
| WriterHost(StorageType* storage, Thread* thread); |
| template <typename StorageType> |
| WriterHost(StorageType* storage, size_t size); |
| WriterHost(Thread* thread); |
| u1* ensure_size(size_t requested_size); |
| |
| public: |
| template <typename T> |
| void write(T value); |
| void write(bool value); |
| void write(float value); |
| void write(double value); |
| void write(const char* value); |
| void write(char* value); |
| void write(jstring value); |
| void write(const ClassLoaderData* cld); |
| void write(const Klass* klass); |
| void write(const Method* method); |
| void write(const ModuleEntry* module); |
| void write(const PackageEntry* package); |
| void write(const Symbol* symbol); |
| void write(const Ticks& time); |
| void write(const Tickspan& time); |
| void write(const JfrTicks& time); |
| void write(const JfrTickspan& time); |
| void bytes(const void* buf, size_t len); |
| void write_utf8_u2_len(const char* value); |
| template <typename T> |
| void write_padded_at_offset(T value, intptr_t offset); |
| template <typename T> |
| void write_at_offset(T value, intptr_t offset); |
| template <typename T> |
| void write_be_at_offset(T value, intptr_t offset); |
| intptr_t reserve(size_t size); |
| }; |
| |
| #endif // SHARE_VM_JFR_WRITERS_JFRWRITERHOST_HPP |