/*
 * WorkerErrors.actor.cpp
 *
 * This source file is part of the FoundationDB open source project
 *
 * Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
 *
 * 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 "flow/ActorCollection.h"
#include "fdbclient/NativeAPI.actor.h"
#include "fdbserver/TesterInterface.actor.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "fdbserver/WorkerInterface.actor.h"
#include "fdbserver/QuietDatabase.h"
#include "fdbserver/ServerDBInfo.h"
#include "flow/actorcompiler.h" // This must be the last #include.

struct WorkerErrorsWorkload : TestWorkload {
	static constexpr auto NAME = "WorkerErrors";

	WorkerErrorsWorkload(WorkloadContext const& wcx) : TestWorkload(wcx) {}

	Future<Void> setup(Database const& cx) override { return Void(); }
	Future<Void> start(Database const& cx) override { return _start(cx, this); }
	void getMetrics(std::vector<PerfMetric>& m) override {}

	ACTOR Future<std::vector<TraceEventFields>> latestEventOnWorkers(std::vector<WorkerDetails> workers) {
		state std::vector<Future<TraceEventFields>> eventTraces;
		eventTraces.reserve(workers.size());
		for (int c = 0; c < workers.size(); c++) {
			eventTraces.push_back(workers[c].interf.eventLogRequest.getReply(EventLogRequest()));
		}

		wait(timeoutError(waitForAll(eventTraces), 2.0));

		std::vector<TraceEventFields> results;
		results.reserve(eventTraces.size());
		for (int i = 0; i < eventTraces.size(); i++) {
			results.push_back(eventTraces[i].get());
		}

		return results;
	}

	ACTOR Future<Void> _start(Database cx, WorkerErrorsWorkload* self) {
		state std::vector<WorkerDetails> workers = wait(getWorkers(self->dbInfo));
		std::vector<TraceEventFields> errors = wait(self->latestEventOnWorkers(workers));
		for (auto e : errors) {
			printf("%s\n", e.toString().c_str());
		}
		return Void();
	}

	Future<bool> check(Database const& cx) override { return true; }
};

WorkloadFactory<WorkerErrorsWorkload> WorkerErrorsWorkloadFactory;
