1/*
2 * Copyright (c) 2015, 2018 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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
24#ifndef SHARE_LOGGING_LOGSELECTIONLIST_HPP
25#define SHARE_LOGGING_LOGSELECTIONLIST_HPP
26
27#include "logging/logConfiguration.hpp"
28#include "logging/logSelection.hpp"
29#include "logging/logTag.hpp"
30#include "memory/allocation.hpp"
31#include "utilities/debug.hpp"
32#include "utilities/globalDefinitions.hpp"
33
34class LogTagSet;
35
36// Class used to temporary encode a series of log selections during log configuration.
37// Consists of ordered LogSelections, i.e. "tag1+tag2=level1,tag3*=level2".
38class LogSelectionList : public StackObj {
39 public:
40 static const size_t MaxSelections = 256;
41
42 private:
43 friend void LogConfiguration::configure_stdout(LogLevelType, int, ...);
44
45 size_t _nselections;
46 LogSelection _selections[MaxSelections];
47
48 public:
49 LogSelectionList() : _nselections(0) {
50 }
51
52 LogSelectionList(const LogSelection& selection) : _nselections(1) {
53 _selections[0] = selection;
54 }
55
56 bool parse(const char* str, outputStream* errstream = NULL);
57 LogLevelType level_for(const LogTagSet& ts) const;
58
59 // Verify that each selection actually selects something.
60 // Returns false if some invalid selection was found. If given an outputstream,
61 // this function will list all the invalid selections on the stream.
62 bool verify_selections(outputStream* out = NULL) const;
63};
64
65#endif // SHARE_LOGGING_LOGSELECTIONLIST_HPP
66