1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/jfr/recorder/repository/jfrChunkWriter.hpp Mon Aug 12 18:30:40 2019 +0300
1.3 @@ -0,0 +1,57 @@
1.4 +/*
1.5 + * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP
1.29 +#define SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP
1.30 +
1.31 +#include "jfr/writers/jfrStorageAdapter.hpp"
1.32 +#include "jfr/writers/jfrStreamWriterHost.inline.hpp"
1.33 +#include "jfr/writers/jfrWriterHost.inline.hpp"
1.34 +
1.35 +typedef MallocAdapter<M> JfrStreamBuffer; // 1 mb buffered writes
1.36 +typedef StreamWriterHost<JfrStreamBuffer, JfrCHeapObj> JfrBufferedStreamWriter;
1.37 +typedef WriterHost<BigEndianEncoder, CompressedIntegerEncoder, JfrBufferedStreamWriter> JfrChunkWriterBase;
1.38 +
1.39 +class JfrChunkState;
1.40 +
1.41 +class JfrChunkWriter : public JfrChunkWriterBase {
1.42 + friend class JfrRepository;
1.43 + private:
1.44 + JfrChunkState* _chunkstate;
1.45 +
1.46 + bool open();
1.47 + size_t close(intptr_t metadata_offset);
1.48 + void write_header(intptr_t metadata_offset);
1.49 + void set_chunk_path(const char* chunk_path);
1.50 +
1.51 + public:
1.52 + JfrChunkWriter();
1.53 + bool initialize();
1.54 + intptr_t size_written() const;
1.55 + intptr_t previous_checkpoint_offset() const;
1.56 + void set_previous_checkpoint_offset(intptr_t offset);
1.57 + void time_stamp_chunk_now();
1.58 +};
1.59 +
1.60 +#endif // SHARE_VM_JFR_RECORDER_REPOSITORY_JFRCHUNKWRITER_HPP
