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a21c8a820b
A way to access this stream is required if we wish to be able to toggle profiling from fdbcli. There's two ways to do this: 1. Use `monitorLeader()` to get a `ClusterControllerFullInterface`, and use `getWorkers` from there to get a list of `WorkerInterface`s, from which we can access cpuProfilerRequest. 2. Move cpuProfilerRequest to ClientWorkerInterface and use the existing code in the client that can fetch a list of all `ClientWorkerInterface`s. The split between WorkerInterface and ClientWorkerInterface appears to be what a client might have a need to call versus what is fdbserver-internal (and thus no client should even want to call). Thus, it seems to make more sense to acknowledge that profiling is useful to be able to toggle from a client, and go with option (2).
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/*
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* ClientWorkerInterface.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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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 FDBCLIENT_CLIENTWORKERINTERFACE_H
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#define FDBCLIENT_CLIENTWORKERINTERFACE_H
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#pragma once
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#include "FDBTypes.h"
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#include "fdbrpc/FailureMonitor.h"
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#include "Status.h"
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#include "ClientDBInfo.h"
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// Streams from WorkerInterface that are safe and useful to call from a client.
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// A ClientWorkerInterface is embedded as the first element of a WorkerInterface.
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struct ClientWorkerInterface {
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RequestStream< struct RebootRequest > reboot;
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RequestStream< struct ProfilerRequest > cpuProfilerRequest;
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bool operator == (ClientWorkerInterface const& r) const { return id() == r.id(); }
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bool operator != (ClientWorkerInterface const& r) const { return id() != r.id(); }
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UID id() const { return reboot.getEndpoint().token; }
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NetworkAddress address() const { return reboot.getEndpoint().address; }
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template <class Ar>
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void serialize( Ar& ar ) {
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ar & reboot;
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}
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};
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struct RebootRequest {
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bool deleteData;
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bool checkData;
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RebootRequest(bool deleteData = false, bool checkData = false) : deleteData(deleteData), checkData(checkData) {}
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template <class Ar>
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void serialize(Ar& ar) {
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ar & deleteData & checkData;
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}
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};
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struct ProfilerRequest {
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ReplyPromise<Void> reply;
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bool enabled;
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Standalone<StringRef> outputFile;
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template<class Ar>
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void serialize( Ar& ar ) {
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ar & reply & enabled & outputFile;
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}
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};
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#endif
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