# Code coverage report for lib/iotagent-lwm2m-server.js

## Statements: 100% (57 / 57) Branches: 83.33% (10 / 12) Functions: 100% (6 / 6) Lines: 100% (57 / 57)

All files » lib/ » iotagent-lwm2m-server.js

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     /*
     * Copyright 2014 Telefonica Investigación y Desarrollo, S.A.U
     *
     * This file is part of iotagent-lwm2m-lib
     *
     * iotagent-lwm2m-lib 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-lwm2m-lib 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-lwm2m-lib.
     * 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]
     */

    'use strict';

    var coapRouter = require('./services/coapRouter'),
        errors = require('./errors'),
        registry,
        deviceManagement = require('./services/server/deviceManagement'),
        informationReporting = require('./services/server/informationReporting'),
        async = require('async'),
        logger = require('logops'),
        context = {
            op: 'LWM2MLib.Server'
        },
        apply = async.apply;

    /**
     * Load the internal handlers for each kind of operation. Each handler is implemented in a separated module. This
     * module will be, in time, in charge of executing the user handler for that operation with all the data extracted
     * from the request (and completed with internal data if needed).
     *
     * @param {Object} serverInfo      Object containing all the information of the current server.
     */
    function loadDefaultHandlers(serverInfo, config) {
        logger.info(context, 'Loading default handlers');

        serverInfo.handlers = {
            registration: {
                module: require('./services/server/registration'),
                user: coapRouter.defaultHandler
            },
            unregistration: {
                module: require('./services/server/unregistration'),
                user: coapRouter.defaultHandler
            },
            updateRegistration: {
                module: require('./services/server/updateRegistration'),
                user: coapRouter.defaultHandler
            }
        };

        for (var i in serverInfo.handlers) {
            Eif (serverInfo.handlers.hasOwnProperty(i)) {
                serverInfo.handlers[i].module.init(registry, config);
                serverInfo.handlers[i].lib = serverInfo.handlers[i].module.handle;
            }
        }
    }

    /**
     * Load the tables of available routes. For each route, the method, a regexp for the path and the name of the operation
     * is indicated (the name of the operation will be used to select the internal and user handlers to execute for each
     * route).
     *
     * @param {Object} serverInfo      Object containing all the information of the current server.
     */
    function loadRoutes(serverInfo) {
        logger.info(context, 'Loading routes');

        serverInfo.routes = [
            ['POST', /\/rd/, 'registration'],
            ['DELETE', /\/rd\/.*/, 'unregistration'],
            ['PUT', /\/rd\/.*/, 'updateRegistration']
        ];
    }

    function validateTypes(config, callback) {
        var error;

        logger.info(context, 'Validating configuration types');

        if (config.types) {
            for (var i in config.types) {
                if (config.types[i].url.match(/^\/rd.*/)) {
                    error = new errors.IllegalTypeUrl(config.types[i].url);
                }
            }
        }

        callback(error);
    }

    function start(config, startCallback) {
        function loadDefaults(serverInfo, callback) {
            loadRoutes(serverInfo);
            loadDefaultHandlers(serverInfo, config);
            callback(null, serverInfo);
        }

        Eif (config.logLevel) {
            logger.setLevel(config.logLevel);
        }

        logger.info(context, 'Starting Lightweight M2M Server');

        if (config.deviceRegistry && config.deviceRegistry.type === 'mongodb') {
            logger.info(context, 'Mongo DB Device registry selected for Lightweight M2M Library');
            registry = require('./services/server/mongodbDeviceRegistry');
        } else {
            logger.info(context, 'Memory Device registry selected for Lightweight M2M Library');
            registry = require('./services/server/inMemoryDeviceRegistry');
        }

        deviceManagement.init(registry);
        informationReporting.init(registry);

        exports.listDevices = registry.list;
        exports.getDevice = registry.getByName;

        async.waterfall([
            apply(validateTypes, config),
            apply(registry.init, config),
            registry.clean,
            apply(coapRouter.start, config),
            loadDefaults
        ], startCallback);
    }

    function getRegistry() {
        return registry;
    }

    exports.start = start;
    exports.setHandler = coapRouter.setHandler;
    exports.stop = coapRouter.stop;
    exports.read = deviceManagement.read;
    exports.write = deviceManagement.write;
    exports.execute = deviceManagement.execute;
    exports.writeAttributes = deviceManagement.writeAttributes;
    exports.discover = deviceManagement.discover;
    exports.create = deviceManagement.create;
    exports.remove = deviceManagement.remove;
    exports.observe = informationReporting.observe;
    exports.listObservers = informationReporting.list;
    exports.cleanObservers = informationReporting.clean;
    exports.cancelObserver = informationReporting.cancel;
    exports.buildObserverId = informationReporting.buildId;
    exports.parseObserverId = informationReporting.parseId;
    exports.getRegistry = getRegistry;