69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_UTILS_PRIORITYDUMPER_H
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#define ANDROID_UTILS_PRIORITYDUMPER_H
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#include <utils/Errors.h>
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#include <utils/String16.h>
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#include <utils/Vector.h>
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namespace android {
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// Helper class to parse common arguments responsible for splitting dumps into
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// various priority buckets and changing the output format of the dump.
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class PriorityDumper {
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public:
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static const char16_t PRIORITY_ARG[];
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static const char16_t PRIORITY_ARG_CRITICAL[];
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static const char16_t PRIORITY_ARG_HIGH[];
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static const char16_t PRIORITY_ARG_NORMAL[];
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static const char16_t PROTO_ARG[];
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// Parses the argument list searching for --dump_priority with a priority type
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// (HIGH, CRITICAL or NORMAL) and --proto. Matching arguments are stripped.
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// If a valid priority type is found, the associated PriorityDumper
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// method is called otherwise all supported sections are dumped.
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// If --proto is found, the dumpAsProto flag is set to dump sections in proto
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// format.
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status_t priorityDump(int fd, const Vector<String16>& args);
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// Dumps CRITICAL priority sections.
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virtual status_t dumpCritical(int /*fd*/, const Vector<String16>& /*args*/, bool /*asProto*/) {
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return OK;
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}
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// Dumps HIGH priority sections.
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virtual status_t dumpHigh(int /*fd*/, const Vector<String16>& /*args*/, bool /*asProto*/) {
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return OK;
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}
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// Dumps normal priority sections.
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virtual status_t dumpNormal(int /*fd*/, const Vector<String16>& /*args*/, bool /*asProto*/) {
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return OK;
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}
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// Dumps all sections.
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// This method is called when priorityDump is called without priority
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// arguments. By default, it calls all three dump methods.
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virtual status_t dumpAll(int fd, const Vector<String16>& args, bool asProto);
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virtual ~PriorityDumper() = default;
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};
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} // namespace android
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#endif // ANDROID_UTILS_PRIORITYDUMPER_H
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