Commit 9f7140a41e435a46d1ef5c445123fb27ff650e71
1 parent
cb55eb268e
Exists in
master
kurangi limit cache reverseUrls
Showing 1 changed file with 2 additions and 1 deletions Inline Diff
neoxmlinutil.js
| 1 | var oracledb = require('oracledb'); | 1 | var oracledb = require('oracledb'); |
| 2 | var LRU = require('lru-cache'); | 2 | var LRU = require('lru-cache'); |
| 3 | 3 | ||
| 4 | var config = require("./config.json"); | 4 | var config = require("./config.json"); |
| 5 | var logger = console; | 5 | var logger = console; |
| 6 | 6 | ||
| 7 | var oraCon; | 7 | var oraCon; |
| 8 | 8 | ||
| 9 | var reverseUrlCache = LRU({max: 30, maxAge: 60 * 1000}); | 9 | var reverseUrlCache = LRU({max: 20, maxAge: 60 * 1000}); |
| 10 | 10 | ||
| 11 | function init(options) { | 11 | function init(options) { |
| 12 | if (options && options.logger) { | 12 | if (options && options.logger) { |
| 13 | logger = options.logger; | 13 | logger = options.logger; |
| 14 | } | 14 | } |
| 15 | } | 15 | } |
| 16 | 16 | ||
| 17 | function connectToOracle(callback) { | 17 | function connectToOracle(callback) { |
| 18 | oracledb.getConnection(config.oracle, function(err, connection) { | 18 | oracledb.getConnection(config.oracle, function(err, connection) { |
| 19 | if (err) { | 19 | if (err) { |
| 20 | logger.warn('Can not connect to oracle db: ' + err); | 20 | logger.warn('Can not connect to oracle db: ' + err); |
| 21 | process.exit(1); | 21 | process.exit(1); |
| 22 | } | 22 | } |
| 23 | 23 | ||
| 24 | oraCon = connection; | 24 | oraCon = connection; |
| 25 | logger.info("Oracle db connected") | 25 | logger.info("Oracle db connected") |
| 26 | 26 | ||
| 27 | if (callback) { | 27 | if (callback) { |
| 28 | callback(null, oraCon); | 28 | callback(null, oraCon); |
| 29 | } | 29 | } |
| 30 | }) | 30 | }) |
| 31 | } | 31 | } |
| 32 | 32 | ||
| 33 | function getTransactionIdFromMessage(message) { | 33 | function getTransactionIdFromMessage(message) { |
| 34 | try { | 34 | try { |
| 35 | var matches = message.match(/ID=(\d+)/); | 35 | var matches = message.match(/ID=(\d+)/); |
| 36 | return matches[1]; | 36 | return matches[1]; |
| 37 | } | 37 | } |
| 38 | catch(err) { | 38 | catch(err) { |
| 39 | return '0'; | 39 | return '0'; |
| 40 | } | 40 | } |
| 41 | } | 41 | } |
| 42 | 42 | ||
| 43 | function getReverseUrlFromDb(msisdn, callback) { | 43 | function getReverseUrlFromDb(msisdn, callback) { |
| 44 | oraCon.execute( | 44 | oraCon.execute( |
| 45 | "SELECT trim(A.MSISDN) MSISDN, trim(B.REVERSE_URL) REVERSE_URL FROM T_STORE_USER_MSISDN A, T_STORE_USER B WHERE A.STORE_ID = B.STORE_ID AND A.USER_NAME = B.USER_NAME AND B.REVERSE_URL IS NOT NULL AND A.MSISDN = :msisdn", | 45 | "SELECT trim(A.MSISDN) MSISDN, trim(B.REVERSE_URL) REVERSE_URL FROM T_STORE_USER_MSISDN A, T_STORE_USER B WHERE A.STORE_ID = B.STORE_ID AND A.USER_NAME = B.USER_NAME AND B.REVERSE_URL IS NOT NULL AND A.MSISDN = :msisdn", |
| 46 | [msisdn], | 46 | [msisdn], |
| 47 | function(err, result) { | 47 | function(err, result) { |
| 48 | if (err) { | 48 | if (err) { |
| 49 | logger.warn('Error retrieving reverse url from oracle: ' + err); | 49 | logger.warn('Error retrieving reverse url from oracle: ' + err); |
| 50 | callback(err); | 50 | callback(err); |
| 51 | return; | 51 | return; |
| 52 | } | 52 | } |
| 53 | 53 | ||
| 54 | var rowCount = result.rows.length; | 54 | var rowCount = result.rows.length; |
| 55 | 55 | ||
| 56 | var retval = []; | 56 | var retval = []; |
| 57 | for (var i = 0; i < rowCount; i++) { | 57 | for (var i = 0; i < rowCount; i++) { |
| 58 | retval.push(result.rows[i][1]); | 58 | retval.push(result.rows[i][1]); |
| 59 | } | 59 | } |
| 60 | 60 | ||
| 61 | if (retval.length) { | 61 | if (retval.length) { |
| 62 | reverseUrlCache.set(msisdn, retval); | 62 | reverseUrlCache.set(msisdn, retval); |
| 63 | } | 63 | } |
| 64 | 64 | ||
| 65 | callback(null, retval); | 65 | callback(null, retval); |
| 66 | } | 66 | } |
| 67 | ); | 67 | ); |
| 68 | } | 68 | } |
| 69 | 69 | ||
| 70 | function getReverseUrl(msisdn, callback) { | 70 | function getReverseUrl(msisdn, callback) { |
| 71 | var urls = reverseUrlCache.get(msisdn); | 71 | var urls = reverseUrlCache.get(msisdn); |
| 72 | 72 | ||
| 73 | if (!urls) { | 73 | if (!urls) { |
| 74 | getReverseUrlFromDb(msisdn, callback); | 74 | getReverseUrlFromDb(msisdn, callback); |
| 75 | } else { | 75 | } else { |
| 76 | logger.verbose('Got cache hit on reverse url for ' + msisdn); | ||
| 76 | callback(null, retval); | 77 | callback(null, retval); |
| 77 | } | 78 | } |
| 78 | } | 79 | } |
| 79 | 80 | ||
| 80 | function getRequestIdFromResponseMessage(message) { | 81 | function getRequestIdFromResponseMessage(message) { |
| 81 | try { | 82 | try { |
| 82 | var tokens = message.split('.'); | 83 | var tokens = message.split('.'); |
| 83 | return tokens[4]; | 84 | return tokens[4]; |
| 84 | } | 85 | } |
| 85 | catch(err) { | 86 | catch(err) { |
| 86 | return; | 87 | return; |
| 87 | } | 88 | } |
| 88 | 89 | ||
| 89 | } | 90 | } |
| 90 | 91 | ||
| 91 | exports.init = init; | 92 | exports.init = init; |
| 92 | exports.connectToOracle = connectToOracle; | 93 | exports.connectToOracle = connectToOracle; |
| 93 | exports.getReverseUrl = getReverseUrl; | 94 | exports.getReverseUrl = getReverseUrl; |
| 94 | exports.getTransactionIdFromMessage = getTransactionIdFromMessage; | 95 | exports.getTransactionIdFromMessage = getTransactionIdFromMessage; |
| 95 | exports.getRequestIdFromResponseMessage = getRequestIdFromResponseMessage; | 96 | exports.getRequestIdFromResponseMessage = getRequestIdFromResponseMessage; |
| 96 | 97 |