/* * Copyright (c) 2012, 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_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP #define SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP #include "jfr/writers/jfrStorageAdapter.hpp" #include "jfr/writers/jfrStreamWriterHost.inline.hpp" #include "jfr/writers/jfrWriterHost.inline.hpp" typedef MallocAdapter JfrStreamBuffer; // 1 mb buffered writes typedef StreamWriterHost JfrBufferedStreamWriter; typedef WriterHost JfrChunkWriterBase; class JfrChunkState; class JfrChunkWriter : public JfrChunkWriterBase { friend class JfrRepository; private: JfrChunkState* _chunkstate; bool open(); size_t close(intptr_t metadata_offset); void write_header(intptr_t metadata_offset); void set_chunk_path(const char* chunk_path); public: JfrChunkWriter(); bool initialize(); intptr_t size_written() const; intptr_t previous_checkpoint_offset() const; void set_previous_checkpoint_offset(intptr_t offset); void time_stamp_chunk_now(); }; #endif // SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP