/*
* Copyright ( c ) 2016 , 2022 , 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 .
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#ifndef SHARE_JFR_WRITERS_JFRWRITERHOST_HPP
#define SHARE_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 write_bytes(const void * buf, intptr_t len);
void write_utf8_u2_len(const char * value);
void write_empty_string();
template <typename T>
void write_padded_at_offset(T value, int64_t offset);
template <typename T>
void write_at_offset(T value, int64_t offset);
template <typename T>
void write_be_at_offset(T value, int64_t offset);
int64_t reserve(size_t size);
template <typename T>
size_t size_in_bytes(T value);
};
#endif // SHARE_JFR_WRITERS_JFRWRITERHOST_HPP
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