13789149328

Committed 11 Mar 2025 01:24PM UTC coverage: 77.155% (-3.0%) from 80.121%

Build # 13789149328

Build Type

Pull #866

github

Committed by

web-flow

Commit Message

Merge 94c66260f into 11a46f9f3

Pull Request Pull Request #866: [WIP] add throtting (by topic) using a topic based queue (MQTT, HTTP)

Run Details

509 of 755 branches covered (67.42%)

Branch coverage included in aggregate %.

13 of 55 new or added lines in 3 files covered. (23.64%)

13 existing lines in 2 files now uncovered.

1102 of 1333 relevant lines covered (82.67%)

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67.72

/lib/bindings/HTTPBinding.js

/*
 * Copyright 2016 Telefonica Investigación y Desarrollo, S.A.U
 *
 * This file is part of iotagent-json
 *
 * iotagent-json is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * iotagent-json is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with iotagent-json.
 * If not, seehttp://www.gnu.org/licenses/.
 *
 * For those usages not covered by the GNU Affero General Public License
 * please contact with::[contacto@tid.es]
 */

/* eslint-disable no-unused-vars */

const fs = require('fs');
const iotAgentLib = require('iotagent-node-lib');
const regenerateTransid = iotAgentLib.regenerateTransid;
const finishSouthBoundTransaction = iotAgentLib.finishSouthBoundTransaction;
const fillService = iotAgentLib.fillService;
const intoTrans = iotAgentLib.intoTrans;
const _ = require('underscore');
const commandHandler = require('../commandHandler');
const async = require('async');
const apply = async.apply;
const request = iotAgentLib.request;
const errors = require('../errors');
const express = require('express');
const iotaUtils = require('../iotaUtils');
const http = require('http');
const https = require('https');
const commonBindings = require('../commonBindings');
const bodyParser = require('body-parser');
require('body-parser-xml')(bodyParser);
const constants = require('../constants');
let context = {
    op: 'IOTAJSON.HTTP.Binding'
};

const config = require('../configService');
let httpBindingServer;
const transport = 'HTTP';

const { promisify } = require('util');
const json = promisify(bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit })); // accept anything JSON.parse accepts.
const text = promisify(bodyParser.text({ limit: config.getConfig().iota.expressLimit }));
const raw = promisify(bodyParser.raw({ limit: config.getConfig().iota.expressLimit }));
const xml2js = require('xml2js');
const xmlStripPrefix = xml2js.processors.stripPrefix;
const xml = promisify(
    bodyParser.xml({
        xmlParseOptions: {
            // XML namespaces might change from one request to the next.
            // It is useful to remove them from the document,
            // to be able to refer to tags later in JEXL transformations.
            // See https://github.com/Leonidas-from-XIV/node-xml2js/issues/87
            tagNameProcessors: [xmlStripPrefix],
            attrNameProcessors: [xmlStripPrefix]
        }
    })
);

let lastProcessedTime = {};
const queues = {};

function parserBody() {
    // generic bodyParser
    return function (req, res, next) {
        if (req.is('text/plain')) {
            text(req, res).then(() => next(), next);
        } else if (req.is('application/octet-stream')) {
            raw(req, res).then(() => next(), next);
        } else if (req.is('application/soap+xml')) {
            xml(req, res).then(() => next(), next);
        } else {
            // req.is('json')
            json(req, res).then(() => next(), next);
        }
    };
}

function checkMandatoryParams(queryPayload) {
    return function (req, res, next) {
        const notFoundParams = [];
        let error;

        req.apiKey = req.query.k;
        req.deviceId = req.query.i;
        req.attr = req.params ? req.params.attrValue : undefined;

        if (!req.apiKey) {
            notFoundParams.push('API Key');
        }

        if (!req.deviceId) {
            notFoundParams.push('Device Id');
        }

        // Check if retrievingParam
        if (queryPayload && !req.query.d && req.query.getCmd !== '1') {
            notFoundParams.push('Payload');
        }
        if (
            req.method === 'POST' &&
            !req.is('json') &&
            !req.is('text/plain') &&
            !req.is('application/octet-stream') &&
            !req.is('application/soap+xml')
        ) {
            error = new errors.UnsupportedType(
                'application/json, text/plain, application/octet-stream, application/soap+xml'
            );
        }

        if (notFoundParams.length !== 0) {
            next(new errors.MandatoryParamsNotFound(notFoundParams));
        } else {
            next(error);
        }
    };
}

function parseData(req, res, next) {
    let data;
    let error;
    let payload;

    if (req.body) {
        config.getLogger().debug(context, 'Using body %s', req.body);
        data = req.body;
        regenerateTransid(data);
    } else {
        payload = req.query.d;
        regenerateTransid(payload);
        config.getLogger().debug(context, 'Parsing payload %s', payload);

        try {
            if (payload) {
                data = JSON.parse(payload);
            }
        } catch (e) {
            error = e;
        }
    }

    if (error) {
        next(error);
    } else {
        req.jsonPayload = data;
        if (req.body !== undefined) {
            try {
                // This is just for log data
                data = data.toString('hex');
            } catch (e) {
                // no error should be reported
            }
        }
        config.getLogger().debug(context, 'Parsed data: %j', data);
        next();
    }
}

function parseDataMultipleMeasure(req, res, next) {
    let data;
    let error;
    let payload;
    let dataArray;
    dataArray = [];
    if (req.body) {
        config.getLogger().debug(context, 'Using body %s', req.body);
        if (!Array.isArray(req.body)) {
            dataArray.push(req.body);
        } else {
            dataArray = req.body;
        }
        regenerateTransid(dataArray);
    } else {
        payload = req.query.d;
        regenerateTransid(payload);
        config.getLogger().debug(context, 'Parsing payload %s', payload);
        try {
            if (payload) {
                data = JSON.parse(payload);
                dataArray.push(data);
            }
        } catch (e) {
            error = e;
        }
    }
    if (error) {
        next(error);
    } else {
        req.jsonPayload = dataArray;
        config.getLogger().debug(context, 'Parsed data array: %j', dataArray);
        next();
    }
}

function executeCommand(apiKey, group, device, cmdName, serializedPayload, contentType, callback) {
    const options = {
        url: device.endpoint || (group && group.endpoint ? group.endpoint : undefined),
        method: 'POST',
        body: serializedPayload,
        headers: {
            'fiware-service': device.service,
            'fiware-servicepath': device.subservice,
            'content-type': contentType
        }
    };
    if (options.url) {
        // endpoint could be an expression
        const parser = iotAgentLib.dataPlugins.expressionTransformation;
        let attrList = iotAgentLib.dataPlugins.utils.getIdTypeServSubServiceFromDevice(device);
        attrList = device.staticAttributes ? attrList.concat(device.staticAttributes) : attrList.concat([]);
        const ctxt = parser.extractContext(attrList, device);
        config.getLogger().debug(context, 'attrList %j for device %j', attrList, device);
        // expression result will be the full command payload
        let endpointRes = null;
        try {
            endpointRes = parser.applyExpression(options.url, ctxt, device);
        } catch (e) {
            // no error should be reported
        }
        options.url = endpointRes ? endpointRes : options.url;
    }
    if (config.getConfig().http.timeout) {
        options.timeout = config.getConfig().http.timeout;
    }
    config
        .getLogger()
        .debug(
            context,
            'Sending command %s with payload %s and with http options %j',
            cmdName,
            serializedPayload,
            options
        );
    request(options, function (error, response, body) {
        if (error || !response || (response.statusCode !== 200 && response.statusCode !== 201)) {
            callback(new errors.HTTPCommandResponseError(response ? response.statusCode : 400, error));
        } else if (apiKey) {
            config
                .getLogger()
                .info(
                    context,
                    'Cmd: %j was sent to the device %s with http options %j',
                    serializedPayload,
                    cmdName,
                    options
                );
            process.nextTick(commandHandler.updateCommand.bind(null, apiKey, device.id, device, body));
            callback();
        } else {
            config
                .getLogger()
                .info(
                    context,
                    'Cmd: %j was sent to the device %s with http options %j',
                    serializedPayload,
                    cmdName,
                    options
                );
            callback();
        }
    });
}

function addTimestamp(req, res, next) {
    const arr = req.jsonPayload;
    let timeStampData;
    for (const i in arr) {
        if (req.query.t && arr[i]) {
            timeStampData = arr[i];
            timeStampData[constants.TIMESTAMP_ATTRIBUTE] = req.query.t;
        }
    }
    next();
}

function handleIncomingMeasure(req, res, next) {
    let values;
    context = fillService(context, { service: 'n/a', subservice: 'n/a' });
    config
        .getLogger()
        .debug(context, 'Processing multiple HTTP measures for device %s with apiKey %s', req.deviceId, req.apiKey);

    function updateCommandHandler(error) {
        if (error) {
            next(error);
            config.getLogger().error(
                context,
                /*jshint quotmark: double */
                "MEASURES-002: Couldn't send the updated values to the Context Broker due to an error: %j",
                /*jshint quotmark: single */
                error
            );
        } else {
            config
                .getLogger()
                .info(
                    context,
                    'Multiple measures for device %s with apiKey %s successfully updated',
                    req.deviceId,
                    req.apiKey
                );

            finishSouthBoundTransaction(next);
        }
    }

    function processHTTPWithDevice(device) {
        let payloadDataArr;
        let attributeArr;
        let attributeValues;
        attributeArr = [];
        payloadDataArr = [];

        if (req.attr && req.jsonPayload) {
            config.getLogger().debug(context, 'Parsing attr %s with value %s', req.attr, req.jsonPayload);
            try {
                req.jsonPayload = req.jsonPayload.toString('hex');
            } catch (e) {
                // no error should be reported
            }
            const theAttr = [{ name: req.attr, value: req.jsonPayload, type: 'None' }];
            attributeArr.push(theAttr);
        } else {
            if (!Array.isArray(req.jsonPayload)) {
                payloadDataArr.push(req.jsonPayload);
            } else {
                payloadDataArr = req.jsonPayload;
            }

            if (req.jsonPayload) {
                config.getLogger().debug(context, 'Parsing payloadDataArr %j for device %j', payloadDataArr, device);
                for (const i in payloadDataArr) {
                    values = commonBindings.extractAttributes(device, payloadDataArr[i], device.payloadType);
                    if (values && values[0] && values[0][0]) {
                        // Check multimeasure from a ngsiv2/ngsild entities array
                        attributeArr = attributeArr.concat(values);
                    } else {
                        attributeArr.push(values);
                    }
                }
            } else {
                attributeArr = [];
            }
        }
        if (attributeArr.length === 0) {
            finishSouthBoundTransaction(next);
        } else {
            config
                .getLogger()
                .debug(context, 'Processing measure device %s with attributeArr %j', device.name, attributeArr);
            if (req.isCommand) {
                const executions = [];
                for (const j in attributeArr) {
                    attributeValues = attributeArr[j];
                    for (const k in attributeValues) {
                        executions.push(
                            iotAgentLib.setCommandResult.bind(
                                null,
                                device.name,
                                config.getConfig().iota.defaultResource,
                                req.apiKey,
                                attributeValues[k].name,
                                attributeValues[k].value,
                                constants.COMMAND_STATUS_COMPLETED,
                                device
                            )
                        );
                    }
                }
                async.parallel(executions, updateCommandHandler);
            } else {
                iotAgentLib.update(device.name, device.type, '', attributeArr, device, updateCommandHandler);
            }
        }
    }

    function processDeviceMeasure(error, device) {
        if (error) {
            next(error);
        } else {
            const localContext = _.clone(context);
            req.device = device;
            localContext.service = device.service;
            localContext.subservice = device.subservice;
            intoTrans(localContext, processHTTPWithDevice)(device);
        }
    }

    iotaUtils.retrieveDevice(req.deviceId, req.apiKey, processDeviceMeasure);
}

function handleIncomingMeasureProxy(req, res, next) {
    function processQueue(topic) {
        if (queues[topic] && queues[topic].length > 0) {
            const now = Date.now();
            if (now - lastProcessedTime[topic] >= config.getConfig().http.throttleInterval) {
                var item = queues[topic].shift();
                var request = item.req;
                var response = item.res;
                var nextf = item.next;
                handleIncomingMeasure(request, response, nextf);
                lastProcessedTime[topic] = now;
            }
        }
        if (queues[topic].length > 0) {
            setTimeout(() => processQueue(topic), config.getConfig().http.throttleInterval / 4);
        }
    }

    if (!config.getConfig().http.throttleInterval || config.getConfig().http.throttleInterval <= 0) {
        handleIncomingMeasure(req, res, next);
    } else {
        var topic = req.deviceId + '/' + req.apiKey;
        if (!queues[topic]) {
            queues[topic] = [];
            lastProcessedTime[topic] = 0;
        }
        if (config.getConfig().http.maxQueueSize && queues[topic].length >= config.getConfig().http.maxQueueSize) {
            config
                .getLogger()
                .info(
                    context,
                    'discarding measure for deviceId + apikey: %s due queue for deviceId + apiKey is full',
                    topic
                );
            return;
        } else {
            queues[topic].push({ req: req, res: res, next: next });
        }
        if (queues[topic].length === 1) {
            setTimeout(() => processQueue(topic), config.getConfig().http.throttleInterval / 4);
        }
    }
}

function isCommand(req, res, next) {
    if (
        req.path ===
        (config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH) + constants.HTTP_COMMANDS_PATH
    ) {
        req.isCommand = true;
    }

    next();
}

function sendConfigurationToDevice(apiKey, group, deviceId, results, callback) {
    function handleDeviceResponse(innerCallback) {
        return function (error, response, body) {
            if (error) {
                innerCallback(error);
            } else if (response && response.statusCode !== 200) {
                innerCallback(new errors.DeviceEndpointError(response.statusCode, body));
            } else {
                innerCallback();
            }
        };
    }

    function sendRequest(device, group, results, innerCallback) {
        const resultRequest = {
            url:
                (device.endpoint || (group && group.endpoint ? group.endpoint : undefined)) +
                constants.HTTP_CONFIGURATION_PATH,

            method: 'POST',
            json: iotaUtils.createConfigurationNotification(results),
            headers: {
                'fiware-service': device.service,
                'fiware-servicepath': device.subservice,
                'content-type': 'application/json'
            }
        };

        request(resultRequest, handleDeviceResponse(innerCallback));
    }
    iotaUtils.retrieveDevice(deviceId, apiKey, function (error, device) {
        if (error) {
            callback(error);
        } else if (!device.endpoint) {
            callback(new errors.EndpointNotFound(device.id));
        } else {
            sendRequest(device, group, results, callback);
        }
    });
}

function handleConfigurationRequest(req, res, next) {
    function replyToDevice(error) {
        res.set(constants.X_PROCESSING_TIME, Date.now() - req.startTime);
        if (error) {
            res.status(error.code).json(error);
        } else {
            res.status(200).json({});
        }
    }
    iotaUtils.retrieveDevice(req.deviceId, req.apiKey, function (error, device) {
        if (error) {
            next(error);
        } else {
            iotaUtils.manageConfiguration(
                req.apiKey,
                req.deviceId,
                device,
                req.jsonPayload,
                sendConfigurationToDevice,
                replyToDevice
            );
        }
    });
}

function reqTiming(req, res, next) {
    req.startTime = Date.now();
    next();
}

function handleError(error, req, res, next) {
    let code = 500;

    config.getLogger().debug(context, 'Error %s handling request: %s', error.name, error.message);

    if (error.code && String(error.code).match(/^[2345]\d\d$/)) {
        code = error.code;
    }
    if (error.status && String(error.status).match(/^[2345]\d\d$/)) {
        code = error.status;
    }

    res.set(constants.X_PROCESSING_TIME, Date.now() - req.startTime);
    res.status(code).json({
        name: error.name,
        message: error.message
    });
}

/**
 * Just fills in the transport protocol in case there is none and polling if endpoint.
 *
 * @param {Object} device           Device object containing all the information about the device.
 * @param {Object} group            Group object containing all the information about the device.
 */
function setPollingAndDefaultTransport(device, group, callback) {
    config.getLogger().debug(context, 'httpbinding.setPollingAndDefaultTransport device %j group %j', device, group);
    if (!device.transport) {
        device.transport = group && group.transport ? group.transport : config.getConfig().defaultTransport;
    }

    if (device.transport === 'HTTP') {
        if (device.endpoint) {
            device.polling = false;
        } else {
            device.polling = !(group && group.endpoint);
        }
    }
    callback(null, device);
}

/**
 * Device provisioning handler.
 *
 * @param {Object} device           Device object containing all the information about the provisioned device.
 */
function deviceProvisioningHandler(device, callback) {
    config.getLogger().debug(context, 'httpbinding.deviceProvisioningHandler device %j', device);
    let group = {};
    iotAgentLib.getConfigurationSilently(config.getConfig().iota.defaultResource || '', device.apikey, function (
        error,
        foundGroup
    ) {
        if (!error) {
            group = foundGroup;
        }
        config.getLogger().debug(context, 'httpbinding.deviceProvisioningHandler group %j', group);
        setPollingAndDefaultTransport(device, group, callback);
    });
}

/**
 * Device updating handler. This handler just fills in the transport protocol in case there is none.
 *
 * @param {Object} device           Device object containing all the information about the updated device.
 */
function deviceUpdatingHandler(newDevice, oldDevice, callback) {
    config
        .getLogger()
        .debug(context, 'httpbinding.deviceUpdatingHandler newDevice %j oldDevice %j', newDevice, oldDevice);
    let group = {};
    iotAgentLib.getConfigurationSilently(config.getConfig().iota.defaultResource || '', oldDevice.apikey, function (
        error,
        foundGroup
    ) {
        if (!error) {
            group = foundGroup;
        }
        config.getLogger().debug(context, 'httpbinding.deviceUpdatingHandler group %j', group);
        setPollingAndDefaultTransport(newDevice, group, callback);
    });
}

/**
 * This middleware checks whether there is any polling command pending to be sent to the device. If there is some,
 * add the command information to the return payload. Otherwise it returns an empty payload.
 */
function returnCommands(req, res, next) {
    function updateCommandStatus(device, commandList) {
        context = fillService(context, device);
        function createCommandUpdate(command) {
            return apply(
                iotAgentLib.setCommandResult,
                device.name,
                device.resource,
                req.query.k,
                command.name,
                ' ',
                'DELIVERED',
                device
            );
        }

        function cleanCommand(command) {
            return apply(iotAgentLib.removeCommand, device.service, device.subservice, device.id, command.name);
        }

        const updates = commandList.map(createCommandUpdate);
        const cleanCommands = commandList.map(cleanCommand);
        if (updates) {
            async.parallel(updates.concat(cleanCommands), function (error, results) {
                if (error) {
                    config
                        .getLogger()
                        .error(
                            context,
                            'Error updating command status after delivering commands for device %s',
                            device.id
                        );
                } else {
                    config
                        .getLogger()
                        .debug(
                            context,
                            'Command status updated successfully after delivering command list to device %s',
                            device.id
                        );
                }
            });
        }
    }

    function parseCommand(item) {
        const result = {};
        const cleanedValue = String(item.value).trim();

        if (cleanedValue !== '') {
            result[item.name] = item.value;
        }
        return result;
    }

    function concatCommand(previous, current) {
        if (previous === {}) {
            return current;
        }
        return _.extend(previous, current);
    }
    if (req.query && req.query.getCmd === '1') {
        iotAgentLib.commandQueue(req.device.service, req.device.subservice, req.deviceId, function (error, list) {
            res.set(constants.X_PROCESSING_TIME, Date.now() - req.startTime);
            if (error || !list || list.count === 0) {
                if (req.accepts('json')) {
                    res.status(200).send({});
                } else {
                    res.status(200).send('');
                }
            } else {
                if (req.accepts('json')) {
                    res.status(200).send(list.commands.map(parseCommand).reduce(concatCommand, {}));
                } else {
                    res.status(200).send(JSON.stringify(list.commands.map(parseCommand).reduce(concatCommand, {})));
                }
                process.nextTick(updateCommandStatus.bind(null, req.device, list.commands));
            }
        });
    } else if (req.accepts('json')) {
        res.set(constants.X_PROCESSING_TIME, Date.now() - req.startTime);
        res.status(200).send({});
    } else {
        res.set(constants.X_PROCESSING_TIME, Date.now() - req.startTime);
        res.status(200).send('');
    }
}

function start(callback) {
    const baseRoot = '/';

    httpBindingServer = {
        server: null,
        app: express(),
        router: express.Router()
    };

    if (!config.getConfig().http) {
        config
            .getLogger()
            .fatal(context, 'GLOBAL-002: Configuration error. Configuration object [config.http] is missing');
        callback(new errors.ConfigurationError('config.http'));
        return;
    }

    httpBindingServer.app.set('port', config.getConfig().http.port);
    httpBindingServer.app.set('host', config.getConfig().http.host || '0.0.0.0');
    httpBindingServer.app.use(reqTiming);

    httpBindingServer.router.get(
        config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH,
        checkMandatoryParams(true),
        parseData,
        addTimestamp,
        handleIncomingMeasureProxy,
        returnCommands
    );

    httpBindingServer.router.post(
        config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH,
        bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit }), // accept anything JSON.parse accepts
        checkMandatoryParams(false),
        parseDataMultipleMeasure,
        addTimestamp,
        handleIncomingMeasureProxy,
        returnCommands
    );

    httpBindingServer.router.post(
        (config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH) +
            '/' +
            constants.MEASURES_SUFIX +
            '/:attrValue',
        parserBody(),
        checkMandatoryParams(false),
        parseData, // non multiple measures are expected in this route
        addTimestamp,
        handleIncomingMeasureProxy,
        returnCommands
    );

    httpBindingServer.router.post(
        (config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH) + constants.HTTP_COMMANDS_PATH,
        bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit }), // accept anything JSON.parse accepts.
        checkMandatoryParams(false),
        parseData,
        addTimestamp,
        isCommand,
        handleIncomingMeasureProxy,
        returnCommands
    );

    httpBindingServer.router.post(
        (config.getConfig().iota.defaultResource || constants.HTTP_MEASURE_PATH) + constants.HTTP_CONFIGURATION_PATH,
        bodyParser.json({ strict: false, limit: config.getConfig().iota.expressLimit }), // accept anything JSON.parse accepts.
        checkMandatoryParams(false),
        parseData,
        handleConfigurationRequest
    );

    httpBindingServer.app.use(baseRoot, httpBindingServer.router);
    httpBindingServer.app.use(handleError);

    if (config.getConfig().http && config.getConfig().http.key && config.getConfig().http.cert) {
        const privateKey = fs.readFileSync(config.getConfig().http.key, 'utf8');
        const certificate = fs.readFileSync(config.getConfig().http.cert, 'utf8');
        const credentials = { key: privateKey, cert: certificate };

        config.getLogger().info(context, 'HTTPS Binding listening on port %s', config.getConfig().http.port);
        httpBindingServer.server = https.createServer(credentials, httpBindingServer.app);
    } else {
        config.getLogger().info(context, 'HTTP Binding listening on port %s', config.getConfig().http.port);
        httpBindingServer.server = http.createServer(httpBindingServer.app);
    }

    httpBindingServer.server.listen(httpBindingServer.app.get('port'), httpBindingServer.app.get('host'), callback);
}

function stop(callback) {
    config.getLogger().info(context, 'Stopping JSON HTTP Binding: ');

    if (httpBindingServer) {
        httpBindingServer.server.close(function () {
            config.getLogger().info(context, 'HTTP Binding Stopped');
            callback();
        });
    } else {
        callback();
    }
}

function sendPushNotifications(device, values, callback) {
    const executions = _.flatten(values.map(commandHandler.generateCommandExecution.bind(null, null, device)));

    async.series(executions, function (error) {
        callback(error);
    });
}

function storePollNotifications(device, values, callback) {
    function addPollNotification(item, innerCallback) {
        iotAgentLib.addCommand(device.service, device.subservice, device.id, item, innerCallback);
    }

    async.map(values, addPollNotification, callback);
}

function notificationHandler(device, values, callback) {
    if (device.endpoint) {
        sendPushNotifications(device, values, callback);
    } else {
        storePollNotifications(device, values, callback);
    }
}

exports.start = start;
exports.stop = stop;
exports.sendConfigurationToDevice = sendConfigurationToDevice;
exports.deviceProvisioningHandler = deviceProvisioningHandler;
exports.deviceUpdatingHandler = deviceUpdatingHandler;
exports.notificationHandler = notificationHandler;
exports.executeCommand = executeCommand;
exports.protocol = 'HTTP';

telefonicaid / iotagent-json / 13789149328

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