modem-chooser for sending message

Adhidarma Hadiwinoto
1 parent f031376361
Showing 4 changed files with 73 additions and 2 deletions Side-by-side Diff
config.sample.json
index.js
lib/modem-chooser.js
lib/transport.js
@@ -35,6 +35,20 @@
         "SMS1"
     ],
  
+    "imsi_senders": {
+        "prefix_names": {
+            "TELKOMSEL": [
+                "510890944235402"
+            ],
+            "XL": [
+                "510890944262917"
+            ]
+        },
+        "default": [
+            "510890944235513"
+        ]
+    },
+
     "redis": {
         "host": "127.0.0.1"
     }
@@ -10,6 +10,9 @@ const config = require(&#39;komodo-sdk/config&#39;);
 global.KOMODO_LOG_LABEL = `KOMODO-CENTER@${(config && typeof config.name === 'string') ? config.name.toUpperCase() : 'SMS'}`;
 process.title = global.KOMODO_LOG_LABEL;
  
+const logger = require('komodo-sdk/logger');
+global.KOMODO_LOGGER = logger;
+
 require('./lib/prefixes');
 require('./lib/transport');
 require('./lib/apiserver');
@@ -0,0 +1,52 @@
+'use strict';
+
+const prefixes = require('./prefixes');
+const modems = require('./modems2');
+const partnerLastSeen = require('./partner-last-seen');
+
+function filterOutCandidates(candidates) {
+    if (!Array.isArray(candidates)) {
+        return [];
+    }
+
+    return candidates.filter((item) => {
+        const modem = modems.get('by_imsi', item);
+
+        if (!modem) return false;
+        return true;
+    });
+}
+
+exports.chooser = async function chooser(destination, config) {
+    const logger = global.KOMODO_LOGGER;
+
+    const prefixName = await prefixes.lookup(destination);
+    if (logger) logger.verbose('Choosing suitable senders', { destination, prefixName });
+
+    let imsiSenders = [];
+    if (config.imsi_senders && config.imsi_senders.prefix_names && config.imsi_senders.prefix_names[prefixName]) {
+        imsiSenders = filterOutCandidates(config.imsi_senders.prefix_names[prefixName]);
+        if (logger) logger.verbose('Suitable senders by prefix name', { destination, prefixName, imsiSenders });
+    }
+
+    if (!imsiSenders.length && config.imsi_senders.default && Array.isArray(config.imsi_senders.default) && config.imsi_senders.default.length) {
+        imsiSenders = filterOutCandidates(config.imsi_senders.default);
+        if (logger) logger.verbose('Suitable default senders', { destination, prefixName, imsiSenders });
+    }
+
+    if (!imsiSenders.length) {
+        imsiSenders = filterOutCandidates([ await partnerLastSeen.get(destination) ]);
+        if (logger) logger.verbose('Suitable senders by last seen', { destination, prefixName, imsiSenders });
+    }
+    
+    if (!imsiSenders.length) {
+        if (logger) logger.verbose('No suitable sender found', { destination, prefixName });
+        return;
+    }
+
+    const count = imsiSenders.length;
+    const idx = Math.round(Math.random() * (count - 1));
+    const imsiChoosed = imsiSenders[idx];
+    if (logger) logger.verbose(`Choose modem with IMSI ${imsiChoosed}`, { destination, prefixName, imsiSenders });
+    return imsiChoosed;
+}
 \ No newline at end of file
@@ -14,7 +14,8 @@ const messagingService = require(&#39;komodo-center-messaging-client-lib&#39;);
  
 const common = require('./common');
 const modems = require('./modems2');
-const partnerLastSeen = require('./partner-last-seen');
+const modemChooser = require('./modem-chooser');
+// const partnerLastSeen = require('./partner-last-seen');
 const history = require('./history');
 const prefixes = require('./prefixes');
  
@@ -119,7 +120,8 @@ async function send(partner, msg) {
     logger.verbose('Destination number prefix lookup', {partner: destinationNumber, prefix: prefixName});
  
     // logger.verbose('Choosing handler name', { partner, destinationNumber, msg, origin });
-    const handlerIMSI = await partnerLastSeen.get(destinationNumber) ;
+    // const handlerIMSI = await partnerLastSeen.get(destinationNumber) ;
+    const handlerIMSI = await modemChooser.chooser(destinationNumber, config);
  
     if (!handlerIMSI) {
         logger.warn(`Unknown handler for sending message to partner`, { partner, destinationNumber });
...	...	@@ -35,6 +35,20 @@
35	35	"SMS1"
36	36	],
37	37
	38	+ "imsi_senders": {
	39	+ "prefix_names": {
	40	+ "TELKOMSEL": [
	41	+ "510890944235402"
	42	+ ],
	43	+ "XL": [
	44	+ "510890944262917"
	45	+ ]
	46	+ },
	47	+ "default": [
	48	+ "510890944235513"
	49	+ ]
	50	+ },
	51	+
38	52	"redis": {
39	53	"host": "127.0.0.1"
40	54	}
...	...	@@ -10,6 +10,9 @@ const config = require('komodo-sdk/config');
10	10	global.KOMODO_LOG_LABEL = `KOMODO-CENTER@${(config && typeof config.name === 'string') ? config.name.toUpperCase() : 'SMS'}`;
11	11	process.title = global.KOMODO_LOG_LABEL;
12	12
	13	+const logger = require('komodo-sdk/logger');
	14	+global.KOMODO_LOGGER = logger;
	15	+
13	16	require('./lib/prefixes');
14	17	require('./lib/transport');
15	18	require('./lib/apiserver');
...	...	@@ -0,0 +1,52 @@
	1	+'use strict';
	2	+
	3	+const prefixes = require('./prefixes');
	4	+const modems = require('./modems2');
	5	+const partnerLastSeen = require('./partner-last-seen');
	6	+
	7	+function filterOutCandidates(candidates) {
	8	+ if (!Array.isArray(candidates)) {
	9	+ return [];
	10	+ }
	11	+
	12	+ return candidates.filter((item) => {
	13	+ const modem = modems.get('by_imsi', item);
	14	+
	15	+ if (!modem) return false;
	16	+ return true;
	17	+ });
	18	+}
	19	+
	20	+exports.chooser = async function chooser(destination, config) {
	21	+ const logger = global.KOMODO_LOGGER;
	22	+
	23	+ const prefixName = await prefixes.lookup(destination);
	24	+ if (logger) logger.verbose('Choosing suitable senders', { destination, prefixName });
	25	+
	26	+ let imsiSenders = [];
	27	+ if (config.imsi_senders && config.imsi_senders.prefix_names && config.imsi_senders.prefix_names[prefixName]) {
	28	+ imsiSenders = filterOutCandidates(config.imsi_senders.prefix_names[prefixName]);
	29	+ if (logger) logger.verbose('Suitable senders by prefix name', { destination, prefixName, imsiSenders });
	30	+ }
	31	+
	32	+ if (!imsiSenders.length && config.imsi_senders.default && Array.isArray(config.imsi_senders.default) && config.imsi_senders.default.length) {
	33	+ imsiSenders = filterOutCandidates(config.imsi_senders.default);
	34	+ if (logger) logger.verbose('Suitable default senders', { destination, prefixName, imsiSenders });
	35	+ }
	36	+
	37	+ if (!imsiSenders.length) {
	38	+ imsiSenders = filterOutCandidates([ await partnerLastSeen.get(destination) ]);
	39	+ if (logger) logger.verbose('Suitable senders by last seen', { destination, prefixName, imsiSenders });
	40	+ }
	41	+
	42	+ if (!imsiSenders.length) {
	43	+ if (logger) logger.verbose('No suitable sender found', { destination, prefixName });
	44	+ return;
	45	+ }
	46	+
	47	+ const count = imsiSenders.length;
	48	+ const idx = Math.round(Math.random() * (count - 1));
	49	+ const imsiChoosed = imsiSenders[idx];
	50	+ if (logger) logger.verbose(`Choose modem with IMSI ${imsiChoosed}`, { destination, prefixName, imsiSenders });
	51	+ return imsiChoosed;
	52	+}
0	53	\ No newline at end of file
...	...	@@ -14,7 +14,8 @@ const messagingService = require('komodo-center-messaging-client-lib');
14	14
15	15	const common = require('./common');
16	16	const modems = require('./modems2');
17		-const partnerLastSeen = require('./partner-last-seen');
	17	+const modemChooser = require('./modem-chooser');
	18	+// const partnerLastSeen = require('./partner-last-seen');
18	19	const history = require('./history');
19	20	const prefixes = require('./prefixes');
20	21
...	...	@@ -119,7 +120,8 @@ async function send(partner, msg) {
119	120	logger.verbose('Destination number prefix lookup', {partner: destinationNumber, prefix: prefixName});
120	121
121	122	// logger.verbose('Choosing handler name', { partner, destinationNumber, msg, origin });
122		- const handlerIMSI = await partnerLastSeen.get(destinationNumber) ;
	123	+ // const handlerIMSI = await partnerLastSeen.get(destinationNumber) ;
	124	+ const handlerIMSI = await modemChooser.chooser(destinationNumber, config);
123	125
124	126	if (!handlerIMSI) {
125	127	logger.warn(`Unknown handler for sending message to partner`, { partner, destinationNumber });