diffusion/src/node_modules/services/client/session-details-serialiser.js

Diffusion JavaScript client

var DetailType = require('../../../client/session-details').DetailType;

var ClientLocationSerialiser = require('./client-location-serialiser');
var ClientSummarySerialiser = require('./client-summary-serialiser');

var Codec = require('io/codec');

function nextOption(bis) {
    var r = Codec.readByte(bis);
    if (r === 1) {
        return true;
    } else if (r === 0) {
        return false;
    } else {
        throw new Error('Invalid option byte: ' + r);
    }
}

module.exports = {
    read : function(bis) {
        var details = {
            available : []
        };

        if (!nextOption(bis)) {
            return details;
        }

        if (nextOption(bis)) {
            details.available.push(DetailType.SUMMARY);
            details.summary = ClientSummarySerialiser.read(bis);
        }

        if (nextOption(bis)) {
            details.available.push(DetailType.LOCATION);
            details.location = ClientLocationSerialiser.read(bis);
        }

        if (nextOption(bis)) {
            details.available.push(DetailType.CONNECTOR_NAME);
            details.connector = Codec.readString(bis);
        }

        if (nextOption(bis)) {
            details.available.push(DetailType.SERVER_NAME);
            details.server = Codec.readString(bis);
        }

        return details;
    }
};