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JOYnr JavaScript libjoynr-js
/*jslint es5: true */
/*
* #%L
* %%
* Copyright (C) 2011 - 2015 BMW Car IT GmbH
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
define(
"joynr/start/InProcessRuntime",
[
"global/Promise",
"joynr/capabilities/arbitration/Arbitrator",
"joynr/provider/ProviderBuilder",
"joynr/proxy/ProxyBuilder",
"joynr/types/CapabilityInformation",
"joynr/capabilities/CapabilitiesRegistrar",
"joynr/capabilities/ParticipantIdStorage",
"joynr/capabilities/discovery/CapabilityDiscovery",
"joynr/capabilities/CapabilitiesStore",
"joynr/messaging/routing/LocalChannelUrlDirectory",
"joynr/dispatching/RequestReplyManager",
"joynr/dispatching/subscription/PublicationManager",
"joynr/dispatching/subscription/SubscriptionManager",
"joynr/dispatching/Dispatcher",
"joynr/security/PlatformSecurityManager",
"joynr/messaging/channel/ChannelMessagingSender",
"joynr/messaging/channel/ChannelMessagingStubFactory",
"joynr/messaging/channel/ChannelMessagingSkeleton",
"joynr/system/RoutingTypes/ChannelAddress",
"joynr/messaging/MessagingStubFactory",
"joynr/messaging/routing/MessageRouter",
"joynr/messaging/routing/MessageQueue",
"joynr/messaging/CommunicationModule",
"joynr/util/InProcessSkeleton",
"joynr/util/InProcessStub",
"joynr/messaging/inprocess/InProcessMessagingStubFactory",
"joynr/messaging/inprocess/InProcessMessagingSkeleton",
"joynr/messaging/inprocess/InProcessMessagingStub",
"joynr/messaging/inprocess/InProcessAddress",
"joynr/messaging/channel/LongPollingChannelMessageReceiver",
"joynr/messaging/MessagingQos",
"joynr/proxy/DiscoveryQos",
"joynr/types/DiscoveryScope",
"joynr/infrastructure/ChannelUrlDirectoryProxy",
"joynr/types/ChannelUrlInformation",
"joynr/types/TypeRegistrySingleton",
"joynr/util/UtilInternal",
"joynr/system/DistributedLoggingAppenderConstructorFactory",
"joynr/system/WebWorkerMessagingAppender",
"joynr/system/LoggingManager",
"uuid",
"joynr/system/LoggerFactory",
"global/LocalStorage"
],
function(
Promise,
Arbitrator,
ProviderBuilder,
ProxyBuilder,
CapabilityInformation,
CapabilitiesRegistrar,
ParticipantIdStorage,
CapabilityDiscovery,
CapabilitiesStore,
LocalChannelUrlDirectory,
RequestReplyManager,
PublicationManager,
SubscriptionManager,
Dispatcher,
PlatformSecurityManager,
ChannelMessagingSender,
ChannelMessagingStubFactory,
ChannelMessagingSkeleton,
ChannelAddress,
MessagingStubFactory,
MessageRouter,
MessageQueue,
CommunicationModule,
InProcessSkeleton,
InProcessStub,
InProcessMessagingStubFactory,
InProcessMessagingSkeleton,
InProcessMessagingStub,
InProcessAddress,
LongPollingChannelMessageReceiver,
MessagingQos,
DiscoveryQos,
DiscoveryScope,
ChannelUrlDirectoryProxy,
ChannelUrlInformation,
TypeRegistrySingleton,
Util,
DistributedLoggingAppenderConstructorFactory,
WebWorkerMessagingAppender,
LoggingManager,
uuid,
LoggerFactory,
LocalStorage) {
var JoynrStates = {
SHUTDOWN : "shut down",
STARTING : "starting",
STARTED : "started",
SHUTTINGDOWN : "shutting down"
};
var TWO_DAYS_IN_MS = 172800000;
/**
* The InProcessRuntime is the version of the libjoynr-js runtime that hosts its own
* cluster controller
*
* @name InProcessRuntime
* @constructor
*
* @param provisioning
*/
function InProcessRuntime(provisioning) {
var loggingManager;
var initialRoutingTable;
var untypedCapabilities;
var typedCapabilities;
var channelUrlDirectoryStub;
var localChannelUrlDirectory;
var channelMessagingSender;
var messagingStubFactory;
var messageRouter;
var communicationModule;
var longPollingMessageReceiver;
var libjoynrMessagingSkeleton;
var clusterControllerMessagingSkeleton;
var clusterControllerChannelMessagingSkeleton;
var clusterControllerMessagingStub, dispatcher;
var typeRegistry;
var requestReplyManager;
var subscriptionManager;
var publicationManager;
var participantIdStorage;
var capabilityDiscovery;
var arbitrator;
var channelId;
var bounceProxyBaseUrl;
var providerBuilder;
var proxyBuilder;
var capabilitiesRegistrar;
var localCapabilitiesStore;
var globalCapabilitiesCache;
var discoveryStub;
var messageQueueSettings;
var persistency;
// this is required at load time of libjoynr
typeRegistry = Object.freeze(TypeRegistrySingleton.getInstance());
/**
* @name InProcessRuntime#typeRegistry
* @type TypeRegistry
* @field
*/
Object.defineProperty(this, "typeRegistry", {
get : function() {
return typeRegistry;
},
enumerable : true
});
/**
* @name InProcessRuntime#capabilities
* @type CapabilitiesRegistrar
* @field
*/
Object.defineProperty(this, "capabilities", {
get : function() {
return capabilitiesRegistrar;
},
enumerable : true
});
/**
* @name InProcessRuntime#participantIdStorage
* @type ParticipantIdStorage
* @field
*/
Object.defineProperty(this, "participantIdStorage", {
get : function() {
return participantIdStorage;
},
enumerable : true
});
/**
* @name InProcessRuntime#providerBuilder
* @type ProviderBuilder
* @field
*/
Object.defineProperty(this, "providerBuilder", {
get : function() {
return providerBuilder;
},
enumerable : true
});
/**
* @name InProcessRuntime#proxyBuilder
* @type ProxyBuilder
* @field
*/
Object.defineProperty(this, "proxyBuilder", {
get : function() {
return proxyBuilder;
},
enumerable : true
});
/**
* @name InProcessRuntime#logger
* @type LoggingManager
* @field
*/
Object.defineProperty(this, "logging", {
get : function() {
return loggingManager;
},
enumerable : true
});
var log, relativeTtl;
if (provisioning.logging && provisioning.logging.ttl) {
relativeTtl = provisioning.logging.ttl;
} else {
relativeTtl = TWO_DAYS_IN_MS;
}
var loggingMessagingQos = new MessagingQos({
ttl : Date.now() + relativeTtl
});
loggingManager = Object.freeze(new LoggingManager());
LoggerFactory.init(loggingManager);
var joynrState = JoynrStates.SHUTDOWN;
/**
* Starts up the libjoynr instance
*
* @name InProcessRuntime#start
* @function
* @returns {Object} an A+ promise object, reporting when libjoynr startup is
* then({InProcessRuntime}, {Error})-ed
* @throws {Error}
* if libjoynr is not in SHUTDOWN state
*/
this.start =
function start() {
var i;
if (joynrState !== JoynrStates.SHUTDOWN) {
throw new Error("Cannot start libjoynr because it's currently \""
+ joynrState
+ "\"");
}
joynrState = JoynrStates.STARTING;
if (!provisioning) {
throw new Error(
"Constructor has not been invoked with provisioned data");
}
// initialize Logger with external logging configuration or default
// values
var logLevel, logLayout, appenderNames, appenderName;
log = LoggerFactory.getLogger("joynr.start.InProcessRuntime");
persistency = new LocalStorage();
if (Util.checkNullUndefined(provisioning.bounceProxyUrl)) {
throw new Error(
"bounce proxy URL not set in provisioning.bounceProxyUrl");
}
if (Util.checkNullUndefined(provisioning.bounceProxyBaseUrl)) {
throw new Error(
"bounce proxy base URL not set in provisioning.bounceProxyBaseUrl");
}
initialRoutingTable = {};
bounceProxyBaseUrl = provisioning.bounceProxyBaseUrl;
channelId =
provisioning.channelId
|| persistency.getItem("joynr.channels.channelId.1")
|| "chjs_"
+ uuid();
persistency.setItem("joynr.channels.channelId.1", channelId);
untypedCapabilities = provisioning.capabilities || [];
typedCapabilities = [];
if (untypedCapabilities) {
for (i = 0; i < untypedCapabilities.length; i++) {
var capability =
new CapabilityInformation(untypedCapabilities[i]);
initialRoutingTable[capability.participantId] =
new ChannelAddress({
channelId : capability.channelId
});
typedCapabilities.push(capability);
}
}
var channelUrlDirectoryStub = new InProcessStub();
/**
* Types all provisioned channelUrls using ChannelUrlInformation
*
* @param {Object}
* channelUrls the Array of ChannelUrls
* @param {Array}
* channelUrls.CHANNELID the ChannelUrls
* @param {String}
* channelUrls.CHANNELID.array the ChannelUrl
* @returns the same structure, but with joynr typed
* ChannelUrlInformation objects
*/
function typeChannelUrls(channelUrls) {
channelUrls = channelUrls || {};
var channelId, typedChannelUrls = {};
for (channelId in channelUrls) {
if (channelUrls.hasOwnProperty(channelId)) {
typedChannelUrls[channelId] = new ChannelUrlInformation({
urls : channelUrls[channelId]
});
}
}
return typedChannelUrls;
}
localChannelUrlDirectory = new LocalChannelUrlDirectory({
channelUrlDirectoryProxy : channelUrlDirectoryStub,
provisionedChannelUrls : typeChannelUrls(provisioning.channelUrls)
});
communicationModule = new CommunicationModule();
channelMessagingSender = new ChannelMessagingSender({
channelUrlDirectory : localChannelUrlDirectory,
communicationModule : communicationModule,
channelQos : provisioning.channelQos
});
messageQueueSettings = {};
if (provisioning.messaging !== undefined
&& provisioning.messaging.maxQueueSizeInKBytes !== undefined) {
messageQueueSettings.maxQueueSizeInKBytes =
provisioning.messaging.maxQueueSizeInKBytes;
}
messagingStubFactory = new MessagingStubFactory({
messagingStubFactories : {
InProcessAddress : new InProcessMessagingStubFactory(),
ChannelAddress : new ChannelMessagingStubFactory({
myChannelId : channelId,
channelMessagingSender : channelMessagingSender
})
}
});
messageRouter = new MessageRouter({
initialRoutingTable : initialRoutingTable,
persistency : persistency,
joynrInstanceId : channelId,
typeRegistry : typeRegistry,
messagingStubFactory : messagingStubFactory,
messageQueue : new MessageQueue(messageQueueSettings)
});
longPollingMessageReceiver = new LongPollingChannelMessageReceiver({
persistency : persistency,
bounceProxyUrl : bounceProxyBaseUrl + "/bounceproxy/",
communicationModule : communicationModule,
channelQos: provisioning.channelQos
});
// link up clustercontroller messaging to channel
clusterControllerChannelMessagingSkeleton =
new ChannelMessagingSkeleton({
messageRouter : messageRouter
});
// clusterControllerChannelMessagingSkeleton
// .registerListener(messageRouter.receive);
var longPollingPromise = longPollingMessageReceiver.create(channelId).then(
function(channelUrl) {
longPollingMessageReceiver
.start(clusterControllerChannelMessagingSkeleton.receiveMessage);
return channelUrl;
});
// link up clustercontroller messaging to dispatcher
clusterControllerMessagingSkeleton = new InProcessMessagingSkeleton();
clusterControllerMessagingStub =
new InProcessMessagingStub(clusterControllerMessagingSkeleton);
// clustercontroller messaging handled by the messageRouter
clusterControllerMessagingSkeleton
.registerListener(messageRouter.route);
dispatcher =
new Dispatcher(
clusterControllerMessagingStub,
new PlatformSecurityManager());
libjoynrMessagingSkeleton = new InProcessMessagingSkeleton();
libjoynrMessagingSkeleton.registerListener(dispatcher.receive);
requestReplyManager = new RequestReplyManager(dispatcher, typeRegistry);
subscriptionManager = new SubscriptionManager(dispatcher);
publicationManager =
new PublicationManager(dispatcher, persistency, channelId);
dispatcher.registerRequestReplyManager(requestReplyManager);
dispatcher.registerSubscriptionManager(subscriptionManager);
dispatcher.registerPublicationManager(publicationManager);
localCapabilitiesStore = new CapabilitiesStore(typedCapabilities);
globalCapabilitiesCache = new CapabilitiesStore();
participantIdStorage = new ParticipantIdStorage(persistency, uuid);
discoveryStub = new InProcessStub();
capabilitiesRegistrar =
Object.freeze(new CapabilitiesRegistrar({
discoveryStub : discoveryStub,
messageRouter : messageRouter,
requestReplyManager : requestReplyManager,
publicationManager : publicationManager,
libjoynrMessagingAddress : new InProcessAddress(
libjoynrMessagingSkeleton),
participantIdStorage : participantIdStorage,
localChannelId : channelId,
loggingManager : loggingManager
}));
arbitrator = new Arbitrator(discoveryStub);
proxyBuilder =
Object.freeze(new ProxyBuilder({
arbitrator : arbitrator,
requestReplyManager : requestReplyManager,
subscriptionManager : subscriptionManager,
publicationManager : publicationManager
}, {
messageRouter : messageRouter,
libjoynrMessagingAddress : new InProcessAddress(
libjoynrMessagingSkeleton),
loggingManager : loggingManager
}));
var internalMessagingQos =
new MessagingQos(provisioning.internalMessagingQos);
var defaultProxyBuildSettings = {
domain : "io.joynr",
messagingQos : internalMessagingQos,
discoveryQos : new DiscoveryQos(
{
discoveryScope : DiscoveryScope.LOCAL_ONLY
})
};
capabilityDiscovery =
new CapabilityDiscovery(
localCapabilitiesStore,
globalCapabilitiesCache,
messageRouter,
proxyBuilder,
channelId,
defaultProxyBuildSettings.domain);
discoveryStub.setSkeleton(new InProcessSkeleton(capabilityDiscovery));
providerBuilder = Object.freeze(new ProviderBuilder());
loggingManager.registerAppenderClass(
"WebWorker",
WebWorkerMessagingAppender);
loggingManager.registerAppenderClass(
"Distributed",
DistributedLoggingAppenderConstructorFactory.build(
proxyBuilder,
loggingMessagingQos));
if (provisioning.logging) {
loggingManager.configure(provisioning.logging);
}
var channelUrlPromise = (function() {
return proxyBuilder.build(ChannelUrlDirectoryProxy, defaultProxyBuildSettings)
.then(function(newChannelUrlDirectoryProxy) {
channelUrlDirectoryStub
.setSkeleton(new InProcessSkeleton(
newChannelUrlDirectoryProxy));
return;
}).catch(function(error) {
var errorString =
"Failed to create channel url directory proxy: "
+ error;
log.error(errorString);
throw new Error(errorString);
});
}());
// if commmunication is there (longPollingPromise) and ChannelUrlProxy
// exists => register ChannelUrl
var channelUrlRegisteredPromise = Promise.all([longPollingPromise, channelUrlPromise])
.then(function(longPollParams) {
var channelUrl = longPollParams[0];
channelMessagingSender.start();
return localChannelUrlDirectory.registerChannelUrls(
{
channelId : channelId,
channelUrlInformation : new ChannelUrlInformation(
{
urls : [ channelUrl
]
})
})
.catch(function(error) {
throw new Error(
"could not register ChannelUrl "
+ channelUrl
+ " for ChannelId "
+ channelId
+ ": "
+ error);
});
});
// when everything's ready we can trigger the app
return channelUrlPromise.then(function() {
joynrState = JoynrStates.STARTED;
publicationManager.restore();
log.debug("joynr initialized");
return;
}).catch(function(error) {
log.error("error starting up joynr: " + error);
throw error;
});
};
/**
* Shuts down libjoynr
*
* @name InProcessRuntime#shutdown
* @function
* @throws {Error}
* if libjoynr is not in the STARTED state
*/
this.shutdown =
function shutdown() {
if (joynrState !== JoynrStates.STARTED) {
throw new Error(
"Cannot shutdown libjoynr because it's currently \""
+ joynrState
+ "\"");
}
joynrState = JoynrStates.SHUTTINGDOWN;
// unregister channel @ ChannelUrlDir
var channelUrlUnregisterPromise = localChannelUrlDirectory.unregisterChannelUrls(
{
channelId : channelId
}).catch(function(error) {
var errorString = "error unregistering ChannelId "
+ channelId + ": " + error;
log.error(errorString);
throw new Error(errorString);
});
var longPollingReceiverStopFunction = function() {
return longPollingMessageReceiver.clear(channelId)
.then(function() {
// stop LongPolling
longPollingMessageReceiver.stop();
return;
}).catch(function(error) {
var errorString = "error clearing long poll channel: "
+ error;
log.error(errorString);
// stop LongPolling
longPollingMessageReceiver.stop();
throw new Error(errorString);
});
};
// unregister channel @ BounceProxy
var longPollingPromise = channelUrlUnregisterPromise
.then(longPollingReceiverStopFunction)
.catch(longPollingReceiverStopFunction);
joynrState = JoynrStates.SHUTDOWN;
log.debug("joynr shut down");
return Promise.resolve();
};
// make every instance immutable
return Object.freeze(this);
}
return InProcessRuntime;
});
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