qrelate

Short-Term memory pipeline correlation module

About

This module was designed for paStash In-Line CDR correlation

Setup

npm install --save qrelate

Functions

• key: Key name to extract value from
• suffix: Extend with suffix
• prefix: Extend with prefix
• regex: Replace using regex
• regex_match: Match using regex
• name: Store using name
• inject: Inject header on correlation
• score: Score to assign for a match

Parameters

• maxSize: max number of items in LRU
• maxAge: max age in ms for items in LRU
• treshold: correlation treshold score
• uuid: correlation identifier key

Usage

const qrelate = require('qrelate');
 
// Set Cache
qrelate.params('maxSize',5000); // max number of items in LRU
qrelate.params('maxAge',5000); // max age of items in LRU
qrelate.params('threshold',99); // correlation threshold score
qrelate.params('uuid','uuid'); // correlation identifier key
 
// Set Vectors
const vectors = [
    { score: 100, key: 'callid', suffix: "_b2b-1" },
    { score: 100, key: 'correlation_id', name: 'callid', inject: 'x-cid' },
    { score: 50,  key: 'ruri_user', regex: /^(00|\+)/ },
    { score: 50,  key: 'from_user', regex: /^(00|\+)/ }
    { score: 50,  key: 'to_user', name: "last8dig", regex_match: /.{8}$/ }
];
qrelate.vectors(vectors);

(C) 2018 QXIP BV