blob: 402bea0a5a4274ee2772a982fc638dfd39a14fc5 [file] [log] [blame]
/*
* Copyright 2017-present Open Networking Foundation
* 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.
*/
import * as _ from 'lodash';
import {Observable, BehaviorSubject, Subscription} from 'rxjs';
import {IXosModelStoreService} from '../../datasources/stores/model.store';
import {
IXosServiceGraph, IXosServiceModel, IXosTenantModel, IXosCoarseGraphData,
IXosServiceGraphNode, IXosServiceGraphLink, IXosFineGrainedGraphData
} from '../interfaces';
import {IXosDebouncer} from '../../core/services/helpers/debounce.helper';
export interface IXosServiceGraphStore {
// TODO remove, moved in a new service
get(): Observable<IXosServiceGraph>;
// TODO rename in get()
getCoarse(): Observable<IXosServiceGraph>;
}
export class XosServiceGraphStore implements IXosServiceGraphStore {
static $inject = [
'$log',
'XosModelStore',
'XosDebouncer'
];
// graph data store
private graphData: BehaviorSubject<IXosFineGrainedGraphData> = new BehaviorSubject({
services: [],
tenants: [],
networks: [],
subscribers: [],
servicedependencies: []
});
private emptyGraph: IXosServiceGraph = {
nodes: [],
links: []
};
// representation of the graph as D3 requires
private d3CoarseGraph = new BehaviorSubject(this.emptyGraph);
private d3FineGrainedGraph = new BehaviorSubject(this.emptyGraph);
// storing locally reference to the data model
private services;
private tenants;
private subscribers;
private networks;
private servicedependencys;
// debounced functions
private handleData;
// datastore
private ServiceSubscription: Subscription;
private TenantSubscription: Subscription;
private SubscriberSubscription: Subscription;
private NetworkSubscription: Subscription;
private ServiceDependencySubscription: Subscription;
constructor (
private $log: ng.ILogService,
private XosModelStore: IXosModelStoreService,
private XosDebouncer: IXosDebouncer
) {
this.$log.info(`[XosServiceGraphStore] Setup`);
// we want to have a quiet period of 500ms from the last event before doing anything
this.handleData = this.XosDebouncer.debounce(this._handleData, 500, this, false);
// observe models and populate graphData
this.ServiceSubscription = this.XosModelStore.query('Service', '/core/services')
.subscribe(
(res) => {
this.combineData(res, 'services');
},
(err) => {
this.$log.error(`[XosServiceGraphStore] Service Observable: `, err);
}
);
this.ServiceDependencySubscription = this.XosModelStore.query('ServiceDependency', '/core/servicedependencys')
.subscribe(
(res) => {
this.combineData(res, 'servicedependencies');
},
(err) => {
this.$log.error(`[XosServiceGraphStore] Service Observable: `, err);
}
);
this.TenantSubscription = this.XosModelStore.query('Tenant', '/core/tenants')
.subscribe(
(res) => {
this.combineData(res, 'tenants');
},
(err) => {
this.$log.error(`[XosServiceGraphStore] Tenant Observable: `, err);
}
);
this.SubscriberSubscription = this.XosModelStore.query('Tenantroot', '/core/tenantroots')
.subscribe(
(res) => {
this.combineData(res, 'subscribers');
},
(err) => {
this.$log.error(`[XosServiceGraphStore] Subscriber Observable: `, err);
}
);
this.NetworkSubscription = this.XosModelStore.query('Network', '/core/networks')
.subscribe(
(res) => {
this.combineData(res, 'networks');
},
(err) => {
this.$log.error(`[XosServiceGraphStore] graphData Observable: `, err);
}
);
// observe graphData and build Coarse and FineGrained graphs
this.graphData
.subscribe(
(res: IXosFineGrainedGraphData) => {
this.$log.debug(`[XosServiceGraphStore] New graph data received`, res);
this.graphDataToCoarseGraph(res);
// this.graphDataToFineGrainedGraph(res);
},
(err) => {
this.$log.error(`[XosServiceGraphStore] graphData Observable: `, err);
}
);
}
public get() {
return this.d3FineGrainedGraph.asObservable();
}
public getCoarse() {
return this.d3CoarseGraph.asObservable();
}
private combineData(data: any, type: 'services'|'tenants'|'subscribers'|'networks'|'servicedependencies') {
switch (type) {
case 'services':
this.services = data;
break;
case 'tenants':
this.tenants = data;
break;
case 'subscribers':
this.subscribers = data;
break;
case 'networks':
this.networks = data;
break;
case 'servicedependencies':
this.servicedependencys = data;
break;
}
this.handleData(this.services, this.tenants);
}
private _handleData(services: IXosServiceModel[], tenants: IXosTenantModel[]) {
this.graphData.next({
services: this.services,
tenants: this.tenants,
subscribers: this.subscribers,
networks: this.networks,
servicedependencies: this.servicedependencys
});
}
private getNodeIndexById(id: number | string, nodes: IXosServiceModel[]) {
return _.findIndex(nodes, {id: id});
}
private graphDataToCoarseGraph(data: IXosCoarseGraphData) {
try {
const links: IXosServiceGraphLink[] = _.chain(data.servicedependencies)
.map((t: IXosTenantModel) => {
return {
id: t.id,
source: this.getNodeIndexById(t.provider_service_id, data.services),
target: this.getNodeIndexById(t.subscriber_service_id, data.services),
model: t
};
})
.value();
const nodes: IXosServiceGraphNode[] = _.map(data.services, (s: IXosServiceModel) => {
return {
id: s.id,
label: s.name,
model: s
};
});
let graph: IXosServiceGraph = {
nodes,
links
};
this.d3CoarseGraph.next(graph);
} catch (e) {
this.d3CoarseGraph.error(e);
}
}
}