com.sun.grizzly.websockets.WebSocketSelectionKeyAttachment Maven / Gradle / Ivy

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package com.sun.grizzly.websockets;

import com.sun.grizzly.arp.AsyncProcessorTask;
import com.sun.grizzly.http.ProcessorTask;
import com.sun.grizzly.util.SelectedKeyAttachmentLogic;

import java.nio.channels.SelectionKey;
import java.util.logging.Level;

public class WebSocketSelectionKeyAttachment extends SelectedKeyAttachmentLogic implements Runnable {
    private final ServerNetworkHandler handler;
    private final ProcessorTask processorTask;
    private final AsyncProcessorTask asyncProcessorTask;

    public WebSocketSelectionKeyAttachment(ServerNetworkHandler snh, ProcessorTask task, AsyncProcessorTask asyncTask) {
        handler = snh;
        processorTask = task;
        asyncProcessorTask = asyncTask;
    }

    @Override
    public boolean timedOut(SelectionKey key) {
        return false;
    }

    @Override
    public boolean handleSelectedKey(SelectionKey key) {
        if (key.isReadable()) {
            key.interestOps(key.interestOps() & ~SelectionKey.OP_READ);
            asyncProcessorTask.getThreadPool().execute(this);
        }

        return false;
    }

    public void run() {
        try {
            handler.readFrame();
            enableRead();
        } catch (WebSocketException e) {
            processorTask.setAptCancelKey(true);
            processorTask.terminateProcess();
            WebSocketEngine.logger.log(Level.INFO, e.getMessage(), e);
        }
    }

    public final void enableRead() {
        processorTask.getSelectorHandler().register(getSelectionKey(), SelectionKey.OP_READ);
    }

    public SelectionKey getSelectionKey() {
        return asyncProcessorTask.getAsyncExecutor().getProcessorTask().getSelectionKey();
    }

    public ServerNetworkHandler getHandler() {
        return handler;
    }
}