1 /*
2 * Copyright (c) 2005, 2006, 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 // The AttachListener thread services a queue of operations that are enqueued
26 // by client tools. Each operation is identified by a name and has up to 3
27 // arguments. The operation name is mapped to a function which performs the
28 // operation. The function is called with an outputStream which is can use to
29 // write any result data (for examples the properties command serializes
30 // properties names and values to the output stream). When the function
31 // complets the result value and any result data is returned to the client
32 // tool.
33
34 #ifndef SERVICES_KERNEL
35
36 class AttachOperation;
37
38 typedef jint (*AttachOperationFunction)(AttachOperation* op, outputStream* out);
39
40 struct AttachOperationFunctionInfo {
41 const char* name;
42 AttachOperationFunction func;
43 };
44 #endif // SERVICES_KERNEL
128 if (arg == NULL) {
129 _arg[i][0] = '\0';
130 } else {
131 assert(strlen(arg) <= arg_length_max, "exceeds maximum argument length");
132 strcpy(_arg[i], arg);
133 }
134 }
135
136 // create an operation of a given name
137 AttachOperation(char* name) {
138 set_name(name);
139 for (int i=0; i<arg_count_max; i++) {
140 set_arg(i, NULL);
141 }
142 }
143
144 // complete operation by sending result code and any result data to the client
145 virtual void complete(jint result, bufferedStream* result_stream) = 0;
146 };
147 #endif // SERVICES_KERNEL
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1 /*
2 * Copyright (c) 2005, 2010, 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 #ifndef SHARE_VM_SERVICES_ATTACHLISTENER_HPP
26 #define SHARE_VM_SERVICES_ATTACHLISTENER_HPP
27
28 #include "memory/allocation.hpp"
29 #include "utilities/debug.hpp"
30 #include "utilities/ostream.hpp"
31
32 // The AttachListener thread services a queue of operations that are enqueued
33 // by client tools. Each operation is identified by a name and has up to 3
34 // arguments. The operation name is mapped to a function which performs the
35 // operation. The function is called with an outputStream which is can use to
36 // write any result data (for examples the properties command serializes
37 // properties names and values to the output stream). When the function
38 // complets the result value and any result data is returned to the client
39 // tool.
40
41 #ifndef SERVICES_KERNEL
42
43 class AttachOperation;
44
45 typedef jint (*AttachOperationFunction)(AttachOperation* op, outputStream* out);
46
47 struct AttachOperationFunctionInfo {
48 const char* name;
49 AttachOperationFunction func;
50 };
51 #endif // SERVICES_KERNEL
135 if (arg == NULL) {
136 _arg[i][0] = '\0';
137 } else {
138 assert(strlen(arg) <= arg_length_max, "exceeds maximum argument length");
139 strcpy(_arg[i], arg);
140 }
141 }
142
143 // create an operation of a given name
144 AttachOperation(char* name) {
145 set_name(name);
146 for (int i=0; i<arg_count_max; i++) {
147 set_arg(i, NULL);
148 }
149 }
150
151 // complete operation by sending result code and any result data to the client
152 virtual void complete(jint result, bufferedStream* result_stream) = 0;
153 };
154 #endif // SERVICES_KERNEL
155
156 #endif // SHARE_VM_SERVICES_ATTACHLISTENER_HPP
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