97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/*
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* Copyright (C) 2022 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.h"
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#include <fruit/fruit.h>
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#include "cvd_server.pb.h"
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#include "common/libs/fs/shared_buf.h"
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#include "common/libs/fs/shared_fd.h"
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#include "common/libs/utils/result.h"
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#include "host/commands/cvd/instance_manager.h"
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namespace cuttlefish {
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namespace {
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class CvdShutdownHandler : public CvdServerHandler {
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public:
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INJECT(CvdShutdownHandler(CvdServer& server,
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InstanceManager& instance_manager))
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: server_(server), instance_manager_(instance_manager) {}
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Result<bool> CanHandle(const RequestWithStdio& request) const override {
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return request.Message().contents_case() ==
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cvd::Request::ContentsCase::kShutdownRequest;
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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_shutdown_response();
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if (!request.Extra()) {
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response.mutable_status()->set_code(cvd::Status::FAILED_PRECONDITION);
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response.mutable_status()->set_message(
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"Missing extra SharedFD for shutdown");
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return response;
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}
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if (request.Message().shutdown_request().clear()) {
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*response.mutable_status() =
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instance_manager_.CvdClear(request.Out(), request.Err());
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if (response.status().code() != cvd::Status::OK) {
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return response;
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}
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}
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if (instance_manager_.HasInstanceGroups()) {
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response.mutable_status()->set_code(cvd::Status::FAILED_PRECONDITION);
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response.mutable_status()->set_message(
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"Cannot shut down cvd_server while devices are being tracked. "
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"Try `cvd kill-server`.");
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return response;
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}
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// Intentionally leak the write_pipe fd so that it only closes
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// when this process fully exits.
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(*request.Extra())->UNMANAGED_Dup();
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WriteAll(request.Out(), "Stopping the cvd_server.\n");
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server_.Stop();
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response.mutable_status()->set_code(cvd::Status::OK);
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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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private:
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CvdServer& server_;
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InstanceManager& instance_manager_;
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};
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} // namespace
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fruit::Component<fruit::Required<CvdServer, InstanceManager>>
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cvdShutdownComponent() {
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return fruit::createComponent()
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.addMultibinding<CvdServerHandler, CvdShutdownHandler>();
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}
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} // namespace cuttlefish
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