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nttgin-BGPalerter/connectorFactory.js
2019-08-18 16:05:53 +02:00

126 lines
4.8 KiB
JavaScript

/*
* BSD 3-Clause License
*
* Copyright (c) 2019, NTT Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import env, {logger} from "./env";
export default class ConnectorFactory {
constructor() {
this.connectors = {};
}
getConnector = (name) => {
return this.connectors[name];
};
getConnectors = () => {
return Object.keys(this.connectors).map(name => this.connectors[name]);
};
loadConnectors = () => {
const connectors = Object.keys(this.connectors);
if (connectors.length === 0) {
for (let connector of env.config.connectors) {
this.connectors[connector.name] = new connector.class(connector.name, connector.params, env);
}
}
};
connectConnectors = () =>
new Promise((resolve, reject) => {
const connectors = this.getConnectors();
if (connectors.length === 0) {
reject(new Error("No connections available"));
} else {
resolve(Promise.all(connectors
.map(connector =>
new Promise((resolve, reject) => {
connector
.connect()
.then(() => {
connector.connected = true;
resolve(true);
connector.onError(error => {
logger.log({
level: 'error',
message: error
});
});
connector.onConnect(error => {
logger.log({
level: 'info',
message: error
});
});
connector.onDisconnect(error => {
connector.connected = false;
logger.log({
level: 'info',
message: error
});
});
})
.catch((error) => {
env.logger.log({
level: 'error',
message: error
});
resolve(false);
})
}))));
}
});
subscribeConnectors = (params, callback) =>
new Promise((resolve, reject) => {
const connectors = this.getConnectors();
if (connectors.length === 0) {
reject(new Error("No connections available"));
} else {
const connectorList = connectors
.map(connector => connector.subscribe(params));
resolve(Promise.all(connectorList));
}
})
}