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QuestDB is high performance SQL time series database
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 *  Copyright (c) 2014-2019 Appsicle
 *  Copyright (c) 2019-2024 QuestDB
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 *  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
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 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
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package io.questdb.cutlass.line.tcp;

import io.questdb.Metrics;
import io.questdb.cairo.CairoEngine;
import io.questdb.mp.WorkerPool;
import io.questdb.network.IOContextFactoryImpl;
import io.questdb.network.IODispatcher;
import io.questdb.network.IODispatchers;
import io.questdb.std.Misc;
import io.questdb.std.ObjectFactory;

import java.io.Closeable;


public class LineTcpReceiver implements Closeable {
    private final IODispatcher dispatcher;
    private final Metrics metrics;
    private LineTcpMeasurementScheduler scheduler;

    public LineTcpReceiver(
            LineTcpReceiverConfiguration configuration,
            CairoEngine engine,
            WorkerPool ioWorkerPool,
            WorkerPool writerWorkerPool
    ) {
        try {
            this.scheduler = null;
            this.metrics = engine.getMetrics();
            ObjectFactory factory;
            factory = () -> new LineTcpConnectionContext(configuration, scheduler, metrics);

            IOContextFactoryImpl contextFactory = new IOContextFactoryImpl<>(
                    factory,
                    configuration.getConnectionPoolInitialCapacity()
            );
            this.dispatcher = IODispatchers.create(configuration.getDispatcherConfiguration(), contextFactory);
            ioWorkerPool.assign(dispatcher);
            this.scheduler = new LineTcpMeasurementScheduler(configuration, engine, ioWorkerPool, dispatcher, writerWorkerPool);

            for (int i = 0, n = ioWorkerPool.getWorkerCount(); i < n; i++) {
                // http context factory has thread local pools
                // therefore we need each thread to clean their thread locals individually
                ioWorkerPool.assignThreadLocalCleaner(i, contextFactory::freeThreadLocal);
            }
        } catch (Throwable t) {
            close();
            throw t;
        }
    }

    @Override
    public void close() {
        Misc.free(scheduler);
        Misc.free(dispatcher);
    }
}