Merge changes from topic "lshal_released" am: 757fd44b93 am: 880df0f744 (ffd8c0c8) · Commits · e / os / android_frameworks_native-old

cmds/lshal/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@ cc_library_shared {
		],
		srcs: [
		"DebugCommand.cpp",
		"HelpCommand.cpp",
		"Lshal.cpp",
		"ListCommand.cpp",
		"PipeRelay.cpp",

cmds/lshal/Command.h

0 → 100644

+52 −0

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		/*
		* Copyright (C) 2017 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#ifndef FRAMEWORK_NATIVE_CMDS_LSHAL_COMMAND_H_
		#define FRAMEWORK_NATIVE_CMDS_LSHAL_COMMAND_H_

		#include "utils.h"

		namespace android {
		namespace lshal {

		class Lshal;

		// Base class for all *Commands
		class Command {
		public:
		Command(Lshal& lshal) : mLshal(lshal) {}
		virtual ~Command() = default;
		// Expect optind to be set by Lshal::main and points to the next argument
		// to process.
		virtual Status main(const Arg &arg) = 0;

		virtual void usage() const = 0;

		// e.g. "list"
		virtual std::string getName() const = 0;

		// e.g. "list HALs"
		virtual std::string getSimpleDescription() const = 0;

		protected:
		Lshal& mLshal;
		};


		} // namespace lshal
		} // namespace android

		#endif // FRAMEWORK_NATIVE_CMDS_LSHAL_LIST_COMMAND_H_

cmds/lshal/DebugCommand.cpp

+22 −5

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		@@ -21,12 +21,16 @@
		namespace android {
		namespace lshal {

		DebugCommand::DebugCommand(Lshal &lshal) : mLshal(lshal) {
		std::string DebugCommand::getName() const {
		return "debug";
		}

		Status DebugCommand::parseArgs(const std::string &command, const Arg &arg) {
		std::string DebugCommand::getSimpleDescription() const {
		return "Debug a specified HAL.";
		}

		Status DebugCommand::parseArgs(const Arg &arg) {
		if (optind >= arg.argc) {
		mLshal.usage(command);
		return USAGE;
		}
		mInterfaceName = arg.argv[optind];
		@@ -37,8 +41,8 @@ Status DebugCommand::parseArgs(const std::string &command, const Arg &arg) {
		return OK;
		}

		Status DebugCommand::main(const std::string &command, const Arg &arg) {
		Status status = parseArgs(command, arg);
		Status DebugCommand::main(const Arg &arg) {
		Status status = parseArgs(arg);
		if (status != OK) {
		return status;
		}
		@@ -49,6 +53,19 @@ Status DebugCommand::main(const std::string &command, const Arg &arg) {
		mLshal.err());
		}

		void DebugCommand::usage() const {

		static const std::string debug =
		"debug:\n"
		" lshal debug <interface> [options [options [...]]] \n"
		" Print debug information of a specified interface.\n"
		" <inteface>: Format is `android.hardware.foo@1.0::IFoo/default`.\n"
		" If instance name is missing `default` is used.\n"
		" options: space separated options to IBase::debug.\n";

		mLshal.err() << debug;
		}

		} // namespace lshal
		} // namespace android

cmds/lshal/DebugCommand.h

+9 −5

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@

		#include <android-base/macros.h>

		#include "Command.h"
		#include "utils.h"

		namespace android {
		@@ -28,14 +29,17 @@ namespace lshal {

		class Lshal;

		class DebugCommand {
		class DebugCommand : public Command {
		public:
		DebugCommand(Lshal &lshal);
		Status main(const std::string &command, const Arg &arg);
		DebugCommand(Lshal &lshal) : Command(lshal) {}
		~DebugCommand() = default;
		Status main(const Arg &arg) override;
		void usage() const override;
		std::string getSimpleDescription() const override;
		std::string getName() const override;
		private:
		Status parseArgs(const std::string &command, const Arg &arg);
		Status parseArgs(const Arg &arg);

		Lshal &mLshal;
		std::string mInterfaceName;
		std::vector<std::string> mOptions;

cmds/lshal/HelpCommand.cpp

0 → 100644

+75 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		#include "HelpCommand.h"

		#include "Lshal.h"

		namespace android {
		namespace lshal {

		std::string HelpCommand::GetName() {
		return "help";
		}

		std::string HelpCommand::getSimpleDescription() const {
		return "Print help message.";
		}

		Status HelpCommand::main(const Arg &arg) {
		if (optind >= arg.argc) {
		// `lshal help` prints global usage.
		mLshal.usage();
		return OK;
		}
		(void)usageOfCommand(arg.argv[optind]);
		return OK;
		}

		Status HelpCommand::usageOfCommand(const std::string& c) const {
		if (c.empty()) {
		mLshal.usage();
		return USAGE;
		}
		auto command = mLshal.selectCommand(c);
		if (command == nullptr) {
		// from HelpCommand::main, `lshal help unknown`
		mLshal.usage();
		return USAGE;
		}

		command->usage();
		return USAGE;

		}

		void HelpCommand::usage() const {
		mLshal.err()
		<< "help:" << std::endl
		<< " lshal -h" << std::endl
		<< " lshal --help" << std::endl
		<< " lshal help" << std::endl
		<< " Print this help message" << std::endl;
		mLshal.forEachCommand([&](const Command* e) {
		mLshal.err() << " lshal help " << e->getName() << std::endl
		<< " Print help message for " << e->getName() << std::endl;
		});

		}

		} // namespace lshal
		} // namespace android