com.microsoft.azure.eventhubs.impl.WebSocketConnectionHandler Maven / Gradle / Ivy

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Client library for talking to Microsoft Azure Event Hubs.

There is a newer version: 2.2.0

/*
 * Copyright (c) Microsoft. All rights reserved.
 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
 */
package com.microsoft.azure.eventhubs.impl;

import com.microsoft.azure.proton.transport.ws.impl.WebSocketImpl;
import org.apache.qpid.proton.engine.Event;
import org.apache.qpid.proton.engine.impl.TransportInternal;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class WebSocketConnectionHandler extends ConnectionHandler {
    private static final Logger TRACE_LOGGER = LoggerFactory.getLogger(ConnectionHandler.class);

    public WebSocketConnectionHandler(AmqpConnection messagingFactory) {
        super(messagingFactory);
    }

    @Override
    protected void addTransportLayers(final Event event, final TransportInternal transport) {
        final WebSocketImpl webSocket = new WebSocketImpl();
        webSocket.configure(
                event.getConnection().getHostname(),
                "/$servicebus/websocket",
                null,
                0,
                "AMQPWSB10",
                null,
                null);

        transport.addTransportLayer(webSocket);

        if (TRACE_LOGGER.isInfoEnabled()) {
            TRACE_LOGGER.info("addWebsocketHandshake: hostname[" + event.getConnection().getHostname() +"]");
        }
    }

    @Override
    protected int getPort() {
        return ClientConstants.HTTPS_PORT;
    }

    @Override
    protected int getMaxFrameSize() {
        // This is the current limitation of https://github.com/Azure/qpid-proton-j-extensions
        // once, this library enables larger frames - this property can be removed.
        return 4 * 1024;
    }
}