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/*
* Copyright (c) 2012, 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_SERVICES_DIAGNOSTICARGUMENT_HPP
#define SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP
#include "classfile/vmSymbols.hpp"
#include "memory/allocation.hpp"
#include "runtime/os.hpp"
#include "runtime/thread.hpp"
#include "utilities/exceptions.hpp"
class StringArrayArgument : public CHeapObj<mtInternal> {
private:
GrowableArray<char*>* _array;
public:
StringArrayArgument() {
_array = new(ResourceObj::C_HEAP, mtInternal)GrowableArray<char *>(32, true);
assert(_array != NULL, "Sanity check");
}
void add(const char* str, size_t len) {
if (str != NULL) {
char* ptr = NEW_C_HEAP_ARRAY(char, len+1, mtInternal);
strncpy(ptr, str, len);
ptr[len] = 0;
_array->append(ptr);
}
}
GrowableArray<char*>* array() {
return _array;
}
~StringArrayArgument() {
for (int i=0; i<_array->length(); i++) {
if(_array->at(i) != NULL) { // Safety check
FREE_C_HEAP_ARRAY(char, _array->at(i), mtInternal);
}
}
delete _array;
}
};
class NanoTimeArgument {
public:
jlong _nanotime;
jlong _time;
char _unit[3];
};
class MemorySizeArgument {
public:
u8 _size;
u8 _val;
char _multiplier;
};
class GenDCmdArgument : public ResourceObj {
protected:
GenDCmdArgument* _next;
const char* _name;
const char* _description;
const char* _type;
const char* _default_string;
bool _is_set;
bool _is_mandatory;
bool _allow_multiple;
GenDCmdArgument(const char* name, const char* description, const char* type,
const char* default_string, bool mandatory) {
_name = name;
_description = description;
_type = type;
_default_string = default_string;
_is_mandatory = mandatory;
_is_set = false;
_allow_multiple = false;
};
public:
const char* name() { return _name; }
const char* description() { return _description; }
const char* type() { return _type; }
const char* default_string() { return _default_string; }
bool is_set() { return _is_set; }
void set_is_set(bool b) { _is_set = b; }
bool allow_multiple() { return _allow_multiple; }
bool is_mandatory() { return _is_mandatory; }
bool has_value() { return _is_set || _default_string != NULL; }
bool has_default() { return _default_string != NULL; }
void read_value(const char* str, size_t len, TRAPS);
virtual void parse_value(const char* str, size_t len, TRAPS) = 0;
virtual void init_value(TRAPS) = 0;
virtual void reset(TRAPS) = 0;
virtual void cleanup() = 0;
virtual void value_as_str(char* buf, size_t len) = 0;
void set_next(GenDCmdArgument* arg) {
_next = arg;
}
GenDCmdArgument* next() {
return _next;
}
void to_string(jlong l, char* buf, size_t len);
void to_string(bool b, char* buf, size_t len);
void to_string(char* c, char* buf, size_t len);
void to_string(NanoTimeArgument n, char* buf, size_t len);
void to_string(MemorySizeArgument f, char* buf, size_t len);
void to_string(StringArrayArgument* s, char* buf, size_t len);
};
template <class ArgType> class DCmdArgument: public GenDCmdArgument {
private:
ArgType _value;
public:
DCmdArgument(const char* name, const char* description, const char* type,
bool mandatory) :
GenDCmdArgument(name, description, type, NULL, mandatory) { }
DCmdArgument(const char* name, const char* description, const char* type,
bool mandatory, const char* defaultvalue) :
GenDCmdArgument(name, description, type, defaultvalue, mandatory)
{ }
~DCmdArgument() { destroy_value(); }
ArgType value() { return _value;}
void set_value(ArgType v) { _value = v; }
void reset(TRAPS) {
destroy_value();
init_value(CHECK);
_is_set = false;
}
void cleanup() {
destroy_value();
}
void parse_value(const char* str, size_t len, TRAPS);
void init_value(TRAPS);
void destroy_value();
void value_as_str(char *buf, size_t len) { return to_string(_value, buf, len);}
};
#endif /* SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP */
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