dbbbc65444
Some IMs floating about this recently. For now, lshal is still HIDL specific and binder-facing tools work with AIDL HALs. It remains to be seen if lshal will be re-adapted for AIDL in the future, or if some of the ideas here will be transfered to dumpsys and this binary ultimately deprecated. Bug: N/A Test: lshal/lshal --help Change-Id: I39be9533b44c085a0688eb39171a0a40f88067b2
90 lines
2.7 KiB
C++
90 lines
2.7 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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#include "DebugCommand.h"
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#include "Lshal.h"
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#include <hidl-util/FQName.h>
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namespace android {
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namespace lshal {
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std::string DebugCommand::getName() const {
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return "debug";
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}
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std::string DebugCommand::getSimpleDescription() const {
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return "Debug a specified HIDL HAL.";
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}
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Status DebugCommand::parseArgs(const Arg &arg) {
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if (optind >= arg.argc) {
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return USAGE;
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}
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// Optargs cannnot be used because the flag should not be considered set
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// if it should really be contained in mOptions.
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if (std::string(arg.argv[optind]) == "-E") {
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mParentDebugInfoLevel = ParentDebugInfoLevel::NOTHING;
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optind++;
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}
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mInterfaceName = arg.argv[optind];
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++optind;
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for (; optind < arg.argc; ++optind) {
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mOptions.push_back(arg.argv[optind]);
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}
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return OK;
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}
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Status DebugCommand::main(const Arg &arg) {
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Status status = parseArgs(arg);
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if (status != OK) {
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return status;
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}
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auto pair = splitFirst(mInterfaceName, '/');
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FQName fqName;
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if (!FQName::parse(pair.first, &fqName) || fqName.isIdentifier() || !fqName.isFullyQualified()) {
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mLshal.err() << "Invalid fully-qualified name '" << pair.first << "'\n\n";
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return USAGE;
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}
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return mLshal.emitDebugInfo(
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pair.first, pair.second.empty() ? "default" : pair.second, mOptions,
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mParentDebugInfoLevel,
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mLshal.out().buf(),
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mLshal.err());
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}
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void DebugCommand::usage() const {
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static const std::string debug =
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"debug:\n"
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" lshal debug [-E] <interface> [options [options [...]]] \n"
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" Print debug information of a specified interface.\n"
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" -E: excludes debug output if HIDL HAL is actually a subclass.\n"
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" <interface>: Format is `android.hardware.foo@1.0::IFoo/default`.\n"
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" If instance name is missing `default` is used.\n"
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" options: space separated options to IBase::debug.\n";
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mLshal.err() << debug;
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}
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} // namespace lshal
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} // namespace android
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