Sun, 03 Feb 2013 22:28:08 +0400
8002048: Protocol to discovery of manageable Java processes on a network
Summary: Introduce a protocol to discover manageble Java instances across a network subnet, JDP
Reviewed-by: sla, dfuchs
fparain@3329 | 1 | /* |
fparain@3559 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
fparain@3329 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
fparain@3329 | 4 | * |
fparain@3329 | 5 | * This code is free software; you can redistribute it and/or modify it |
fparain@3329 | 6 | * under the terms of the GNU General Public License version 2 only, as |
fparain@3329 | 7 | * published by the Free Software Foundation. |
fparain@3329 | 8 | * |
fparain@3329 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
fparain@3329 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
fparain@3329 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
fparain@3329 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
fparain@3329 | 13 | * accompanied this code). |
fparain@3329 | 14 | * |
fparain@3329 | 15 | * You should have received a copy of the GNU General Public License version |
fparain@3329 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
fparain@3329 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
fparain@3329 | 18 | * |
fparain@3329 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
fparain@3329 | 20 | * or visit www.oracle.com if you need additional information or have any |
fparain@3329 | 21 | * questions. |
fparain@3329 | 22 | * |
fparain@3329 | 23 | */ |
fparain@3329 | 24 | |
fparain@3329 | 25 | #ifndef SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP |
fparain@3329 | 26 | #define SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP |
fparain@3329 | 27 | |
fparain@3329 | 28 | #include "classfile/vmSymbols.hpp" |
fparain@3329 | 29 | #include "memory/allocation.hpp" |
fparain@3329 | 30 | #include "runtime/os.hpp" |
fparain@3329 | 31 | #include "runtime/thread.hpp" |
fparain@3329 | 32 | #include "utilities/exceptions.hpp" |
fparain@3329 | 33 | |
zgu@3900 | 34 | class StringArrayArgument : public CHeapObj<mtInternal> { |
fparain@3559 | 35 | private: |
fparain@3559 | 36 | GrowableArray<char*>* _array; |
fparain@3559 | 37 | public: |
fparain@3559 | 38 | StringArrayArgument() { |
zgu@3900 | 39 | _array = new(ResourceObj::C_HEAP, mtInternal)GrowableArray<char *>(32, true); |
fparain@3559 | 40 | assert(_array != NULL, "Sanity check"); |
fparain@3559 | 41 | } |
fparain@3559 | 42 | void add(const char* str, size_t len) { |
fparain@3559 | 43 | if (str != NULL) { |
zgu@3900 | 44 | char* ptr = NEW_C_HEAP_ARRAY(char, len+1, mtInternal); |
fparain@3559 | 45 | strncpy(ptr, str, len); |
fparain@3559 | 46 | ptr[len] = 0; |
fparain@3559 | 47 | _array->append(ptr); |
fparain@3559 | 48 | } |
fparain@3559 | 49 | } |
fparain@3559 | 50 | GrowableArray<char*>* array() { |
fparain@3559 | 51 | return _array; |
fparain@3559 | 52 | } |
fparain@3559 | 53 | ~StringArrayArgument() { |
fparain@3559 | 54 | for (int i=0; i<_array->length(); i++) { |
fparain@3559 | 55 | if(_array->at(i) != NULL) { // Safety check |
zgu@3900 | 56 | FREE_C_HEAP_ARRAY(char, _array->at(i), mtInternal); |
fparain@3559 | 57 | } |
fparain@3559 | 58 | } |
fparain@3559 | 59 | delete _array; |
fparain@3559 | 60 | } |
fparain@3559 | 61 | }; |
fparain@3559 | 62 | |
fparain@3559 | 63 | class NanoTimeArgument { |
fparain@3559 | 64 | public: |
fparain@3559 | 65 | jlong _nanotime; |
fparain@3559 | 66 | jlong _time; |
fparain@3559 | 67 | char _unit[3]; |
fparain@3559 | 68 | }; |
fparain@3559 | 69 | |
fparain@3559 | 70 | class MemorySizeArgument { |
fparain@3559 | 71 | public: |
fparain@3559 | 72 | u8 _size; |
fparain@3559 | 73 | u8 _val; |
fparain@3559 | 74 | char _multiplier; |
fparain@3559 | 75 | }; |
fparain@3559 | 76 | |
fparain@3329 | 77 | class GenDCmdArgument : public ResourceObj { |
fparain@3329 | 78 | protected: |
fparain@3329 | 79 | GenDCmdArgument* _next; |
fparain@3329 | 80 | const char* _name; |
fparain@3329 | 81 | const char* _description; |
fparain@3329 | 82 | const char* _type; |
fparain@3329 | 83 | const char* _default_string; |
fparain@3329 | 84 | bool _is_set; |
fparain@3329 | 85 | bool _is_mandatory; |
fparain@3559 | 86 | bool _allow_multiple; |
fparain@3329 | 87 | GenDCmdArgument(const char* name, const char* description, const char* type, |
fparain@3329 | 88 | const char* default_string, bool mandatory) { |
fparain@3329 | 89 | _name = name; |
fparain@3329 | 90 | _description = description; |
fparain@3329 | 91 | _type = type; |
fparain@3329 | 92 | _default_string = default_string; |
fparain@3329 | 93 | _is_mandatory = mandatory; |
fparain@3329 | 94 | _is_set = false; |
fparain@3559 | 95 | _allow_multiple = false; |
fparain@3329 | 96 | }; |
fparain@3329 | 97 | public: |
fparain@3329 | 98 | const char* name() { return _name; } |
fparain@3329 | 99 | const char* description() { return _description; } |
fparain@3329 | 100 | const char* type() { return _type; } |
fparain@3329 | 101 | const char* default_string() { return _default_string; } |
fparain@3329 | 102 | bool is_set() { return _is_set; } |
fparain@3329 | 103 | void set_is_set(bool b) { _is_set = b; } |
fparain@3559 | 104 | bool allow_multiple() { return _allow_multiple; } |
fparain@3329 | 105 | bool is_mandatory() { return _is_mandatory; } |
fparain@3329 | 106 | bool has_value() { return _is_set || _default_string != NULL; } |
fparain@3329 | 107 | bool has_default() { return _default_string != NULL; } |
fparain@3329 | 108 | void read_value(const char* str, size_t len, TRAPS); |
fparain@3329 | 109 | virtual void parse_value(const char* str, size_t len, TRAPS) = 0; |
fparain@3329 | 110 | virtual void init_value(TRAPS) = 0; |
fparain@3329 | 111 | virtual void reset(TRAPS) = 0; |
fparain@3329 | 112 | virtual void cleanup() = 0; |
nloodin@3681 | 113 | virtual void value_as_str(char* buf, size_t len) = 0; |
fparain@3329 | 114 | void set_next(GenDCmdArgument* arg) { |
fparain@3329 | 115 | _next = arg; |
fparain@3329 | 116 | } |
fparain@3329 | 117 | GenDCmdArgument* next() { |
fparain@3329 | 118 | return _next; |
fparain@3329 | 119 | } |
nloodin@3681 | 120 | |
nloodin@3681 | 121 | void to_string(jlong l, char* buf, size_t len); |
nloodin@3681 | 122 | void to_string(bool b, char* buf, size_t len); |
nloodin@3681 | 123 | void to_string(char* c, char* buf, size_t len); |
nloodin@3681 | 124 | void to_string(NanoTimeArgument n, char* buf, size_t len); |
nloodin@3681 | 125 | void to_string(MemorySizeArgument f, char* buf, size_t len); |
nloodin@3681 | 126 | void to_string(StringArrayArgument* s, char* buf, size_t len); |
fparain@3329 | 127 | }; |
fparain@3329 | 128 | |
fparain@3329 | 129 | template <class ArgType> class DCmdArgument: public GenDCmdArgument { |
fparain@3329 | 130 | private: |
fparain@3329 | 131 | ArgType _value; |
fparain@3329 | 132 | public: |
fparain@3329 | 133 | DCmdArgument(const char* name, const char* description, const char* type, |
fparain@3329 | 134 | bool mandatory) : |
fparain@3329 | 135 | GenDCmdArgument(name, description, type, NULL, mandatory) { } |
fparain@3329 | 136 | DCmdArgument(const char* name, const char* description, const char* type, |
fparain@3329 | 137 | bool mandatory, const char* defaultvalue) : |
fparain@3329 | 138 | GenDCmdArgument(name, description, type, defaultvalue, mandatory) |
fparain@3329 | 139 | { } |
fparain@3329 | 140 | ~DCmdArgument() { destroy_value(); } |
fparain@3329 | 141 | ArgType value() { return _value;} |
fparain@3329 | 142 | void set_value(ArgType v) { _value = v; } |
fparain@3329 | 143 | void reset(TRAPS) { |
fparain@3329 | 144 | destroy_value(); |
fparain@3329 | 145 | init_value(CHECK); |
fparain@3329 | 146 | _is_set = false; |
fparain@3329 | 147 | } |
fparain@3329 | 148 | void cleanup() { |
fparain@3329 | 149 | destroy_value(); |
fparain@3329 | 150 | } |
fparain@3329 | 151 | void parse_value(const char* str, size_t len, TRAPS); |
fparain@3329 | 152 | void init_value(TRAPS); |
fparain@3329 | 153 | void destroy_value(); |
nloodin@3681 | 154 | void value_as_str(char *buf, size_t len) { return to_string(_value, buf, len);} |
fparain@3329 | 155 | }; |
fparain@3329 | 156 | |
fparain@3329 | 157 | #endif /* SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP */ |