76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/*
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* Copyright (C) 2023 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 "host/commands/cvd/server_command/fleet.h"
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#include <iostream>
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#include <sstream>
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#include "common/libs/fs/shared_buf.h"
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#include "host/commands/cvd/server_command/server_handler.h"
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#include "host/commands/cvd/server_command/utils.h"
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namespace cuttlefish {
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/*
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* Prints out help message for cvd reset
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*
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* cvd reset is a feature implemented by the client. However, the user may run
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* cvd help reset. The cvd help parsing will be done on the server side, and
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* forwarded to the cvd help handler. The cvd help handler again will forward
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* it to supposedly cvd reset handler. The cvd reset handler will only receive
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* "cvd reset --help."
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*
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* For, say, "cvd reset" or even "cvd reset --help"," the parsing will be done
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* on the client side, and handled by the client.
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*
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*/
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class CvdResetCommandHandler : public CvdServerHandler {
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public:
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INJECT(CvdResetCommandHandler()) {}
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Result<bool> CanHandle(const RequestWithStdio& request) const {
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auto invocation = ParseInvocation(request.Message());
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return invocation.command == kResetSubcmd;
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}
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Result<cvd::Response> Handle(const RequestWithStdio& request) override {
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CF_EXPECT(CanHandle(request));
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cvd::Response response;
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response.mutable_command_response();
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response.mutable_status()->set_code(cvd::Status::OK);
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std::stringstream guide_message;
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guide_message << "\"cvd reset\" is implemented on the client side."
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<< " Try:" << std::endl;
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guide_message << " cvd reset --help" << std::endl;
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const auto guide_message_str = guide_message.str();
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CF_EXPECT_EQ(WriteAll(request.Err(), guide_message_str),
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guide_message_str.size());
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return response;
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}
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Result<void> Interrupt() override { return CF_ERR("Can't interrupt"); }
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cvd_common::Args CmdList() const override { return {kResetSubcmd}; }
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private:
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static constexpr char kResetSubcmd[] = "reset";
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};
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fruit::Component<> CvdResetComponent() {
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return fruit::createComponent()
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.addMultibinding<CvdServerHandler, CvdResetCommandHandler>();
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}
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} // namespace cuttlefish
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