| author | mgronlun |
| Wed, 30 Oct 2019 19:43:52 +0100 | |
| changeset 58863 | c16ac7a2eba4 |
| parent 54964 | ec7d6d8effc7 |
| permissions | -rw-r--r-- |
| 50113 | 1 |
/* |
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* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#ifndef SHARE_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_HPP |
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#define SHARE_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_HPP |
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#include "jfr/recorder/storage/jfrBuffer.hpp" |
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#include "jfr/recorder/repository/jfrChunkWriter.hpp" |
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#include "jfr/utilities/jfrAllocation.hpp" |
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#include "jfr/utilities/jfrTypes.hpp" |
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#include "runtime/thread.hpp" |
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class CompositeOperationOr {
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public: |
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static bool evaluate(bool value) {
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return !value; |
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} |
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}; |
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class CompositeOperationAnd {
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public: |
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static bool evaluate(bool value) {
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return value; |
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} |
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}; |
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template <typename Operation, typename NextOperation, typename TruthFunction = CompositeOperationAnd> |
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class CompositeOperation {
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private: |
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Operation* _op; |
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NextOperation* _next; |
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public: |
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CompositeOperation(Operation* op, NextOperation* next) : _op(op), _next(next) {
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assert(_op != NULL, "invariant"); |
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} |
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typedef typename Operation::Type Type; |
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bool process(Type* t) {
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const bool op_result = _op->process(t); |
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return _next == NULL ? op_result : TruthFunction::evaluate(op_result) ? _next->process(t) : op_result; |
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} |
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size_t elements() const {
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return _next == NULL ? _op->elements() : _op->elements() + _next->elements(); |
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} |
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size_t size() const {
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return _next == NULL ? _op->size() : _op->size() + _next->size(); |
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} |
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}; |
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template <typename T> |
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class UnBufferedWriteToChunk {
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private: |
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JfrChunkWriter& _writer; |
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size_t _elements; |
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size_t _size; |
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public: |
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typedef T Type; |
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UnBufferedWriteToChunk(JfrChunkWriter& writer) : _writer(writer), _elements(0), _size(0) {}
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bool write(Type* t, const u1* data, size_t size); |
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size_t elements() const { return _elements; }
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size_t size() const { return _size; }
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}; |
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template <typename T> |
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class DefaultDiscarder {
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private: |
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size_t _elements; |
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size_t _size; |
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public: |
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typedef T Type; |
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DefaultDiscarder() : _elements(0), _size(0) {}
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bool discard(Type* t, const u1* data, size_t size); |
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size_t elements() const { return _elements; }
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size_t size() const { return _size; }
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}; |
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template <typename T, bool negation> |
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class Retired {
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public: |
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typedef T Type; |
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bool process(Type* t) {
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assert(t != NULL, "invariant"); |
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return negation ? !t->retired() : t->retired(); |
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} |
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}; |
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template <typename T, bool negation> |
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class Excluded {
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public: |
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typedef T Type; |
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bool process(Type* t) {
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assert(t != NULL, "invariant"); |
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return negation ? !t->excluded() : t->excluded(); |
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} |
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}; |
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template <typename Operation> |
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class MutexedWriteOp {
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private: |
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Operation& _operation; |
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public: |
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typedef typename Operation::Type Type; |
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MutexedWriteOp(Operation& operation) : _operation(operation) {}
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bool process(Type* t); |
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size_t elements() const { return _operation.elements(); }
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size_t size() const { return _operation.size(); }
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}; |
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template <typename Operation, typename Predicate> |
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class PredicatedMutexedWriteOp : public MutexedWriteOp<Operation> {
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private: |
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Predicate& _predicate; |
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public: |
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PredicatedMutexedWriteOp(Operation& operation, Predicate& predicate) : |
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MutexedWriteOp<Operation>(operation), _predicate(predicate) {}
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bool process(typename Operation::Type* t) {
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return _predicate.process(t) ? MutexedWriteOp<Operation>::process(t) : true; |
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} |
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}; |
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template <typename Operation> |
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class ConcurrentWriteOp {
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private: |
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Operation& _operation; |
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public: |
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typedef typename Operation::Type Type; |
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ConcurrentWriteOp(Operation& operation) : _operation(operation) {}
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bool process(Type* t); |
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size_t elements() const { return _operation.elements(); }
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size_t size() const { return _operation.size(); }
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}; |
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template <typename Operation, typename Predicate> |
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class PredicatedConcurrentWriteOp : public ConcurrentWriteOp<Operation> {
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private: |
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Predicate& _predicate; |
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public: |
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PredicatedConcurrentWriteOp(Operation& operation, Predicate& predicate) : |
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ConcurrentWriteOp<Operation>(operation), _predicate(predicate) {}
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bool process(typename Operation::Type* t) {
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return _predicate.process(t) ? ConcurrentWriteOp<Operation>::process(t) : true; |
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} |
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}; |
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template <typename Operation> |
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class ExclusiveOp : private MutexedWriteOp<Operation> {
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public: |
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typedef typename Operation::Type Type; |
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ExclusiveOp(Operation& operation) : MutexedWriteOp<Operation>(operation) {}
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bool process(Type* t); |
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size_t processed() const { return MutexedWriteOp<Operation>::processed(); }
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}; |
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enum jfr_operation_mode {
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mutexed = 1, |
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concurrent |
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}; |
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template <typename Operation> |
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class DiscardOp {
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private: |
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Operation _operation; |
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jfr_operation_mode _mode; |
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public: |
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typedef typename Operation::Type Type; |
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DiscardOp(jfr_operation_mode mode = concurrent) : _operation(), _mode(mode) {}
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bool process(Type* t); |
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size_t elements() const { return _operation.elements(); }
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size_t size() const { return _operation.size(); }
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}; |
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9807daeb47c4
8216167: Update include guards to reflect correct directories
coleenp
parents:
50113
diff
changeset
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#endif // SHARE_JFR_RECORDER_STORAGE_JFRSTORAGEUTILS_HPP |