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comparison src/share/vm/services/diagnosticArgument.cpp @ 4133:3b688d6ff3d0

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7104647: Adding a diagnostic command framework Reviewed-by: phh, dcubed
author fparain
date Wed, 14 Dec 2011 04:30:57 -0800
parents
children 520830f632e7
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4131:e9b91fd07263 4133:3b688d6ff3d0
1 /*
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "runtime/thread.hpp"
28 #include "services/diagnosticArgument.hpp"
29
30 void GenDCmdArgument::read_value(const char* str, size_t len, TRAPS) {
31 if (is_set()) {
32 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
33 "Duplicates in diagnostic command arguments");
34 }
35 parse_value(str, len, CHECK);
36 set_is_set(true);
37 }
38
39 template <> void DCmdArgument<jlong>::parse_value(const char* str,
40 size_t len, TRAPS) {
41 if (sscanf(str, INT64_FORMAT, &_value) != 1) {
42 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
43 "Integer parsing error in diagnostic command arguments");
44 }
45 }
46
47 template <> void DCmdArgument<jlong>::init_value(TRAPS) {
48 if (has_default()) {
49 this->parse_value(_default_string, strlen(_default_string), THREAD);
50 if (HAS_PENDING_EXCEPTION) {
51 fatal("Default string must be parsable");
52 }
53 } else {
54 set_value(0);
55 }
56 }
57
58 template <> void DCmdArgument<jlong>::destroy_value() { }
59
60 template <> void DCmdArgument<bool>::parse_value(const char* str,
61 size_t len, TRAPS) {
62 if (len == 0) {
63 set_value(true);
64 } else {
65 if (strcasecmp(str, "true") == 0) {
66 set_value(true);
67 } else if (strcasecmp(str, "false") == 0) {
68 set_value(false);
69 } else {
70 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
71 "Boolean parsing error in diagnostic command arguments");
72 }
73 }
74 }
75
76 template <> void DCmdArgument<bool>::init_value(TRAPS) {
77 if (has_default()) {
78 this->parse_value(_default_string, strlen(_default_string), THREAD);
79 if (HAS_PENDING_EXCEPTION) {
80 fatal("Default string must be parsable");
81 }
82 } else {
83 set_value(false);
84 }
85 }
86
87 template <> void DCmdArgument<bool>::destroy_value() { }
88
89 template <> void DCmdArgument<char*>::parse_value(const char* str,
90 size_t len, TRAPS) {
91 _value = NEW_C_HEAP_ARRAY(char, len+1);
92 strncpy(_value, str, len);
93 _value[len] = 0;
94 }
95
96 template <> void DCmdArgument<char*>::init_value(TRAPS) {
97 if (has_default()) {
98 this->parse_value(_default_string, strlen(_default_string), THREAD);
99 if (HAS_PENDING_EXCEPTION) {
100 fatal("Default string must be parsable");
101 }
102 } else {
103 set_value(NULL);
104 }
105 }
106
107 template <> void DCmdArgument<char*>::destroy_value() {
108 if (_value != NULL) {
109 FREE_C_HEAP_ARRAY(char, _value);
110 set_value(NULL);
111 }
112 }