3 ** Copyright 2015, The Android Open Source Project
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
9 ** http://www.apache.org/licenses/LICENSE-2.0
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
18 #ifndef SYSTEM_EXTRAS_PERFPROFD_CONFIGREADER_H_
19 #define SYSTEM_EXTRAS_PERFPROFD_CONFIGREADER_H_
25 // This table describes the perfprofd config file syntax in terms of
26 // key/value pairs. Values come in two flavors: strings, or unsigned
27 // integers. In the latter case the reader sets allowable
28 // minimum/maximum for the setting.
36 // Ask for the current setting of a config item
37 unsigned getUnsignedValue(const char *key) const;
38 std::string getStringValue(const char *key) const;
40 // read the specified config file, applying any settings it contains
41 // returns true for successful read, false if conf file cannot be opened.
44 // set/get path to config file
45 static void setConfigFilePath(const char *path);
46 static const char *getConfigFilePath();
48 // override a config item (for unit testing purposes)
49 void overrideUnsignedEntry(const char *key, unsigned new_value);
52 void addUnsignedEntry(const char *key,
53 unsigned default_value,
56 void addStringEntry(const char *key, const char *default_value);
57 void addDefaultEntries();
58 void parseLine(const char *key, const char *value, unsigned linecount);
60 typedef struct { unsigned minv, maxv; } values;
61 std::map<std::string, values> u_info;
62 std::map<std::string, unsigned> u_entries;
63 std::map<std::string, std::string> s_entries;
64 bool trace_config_read;