connected to atlas

dist/main.js

@@ -7,9 +7,9 @@ const MongoSave = require("./mongosave");
 log.info("Dispatcher starting");
 let dispatcher = new mqtt.MqttDispatcher("mqtts://broker.hottis.de:8883", "wn", "locutus", "/home/wn/server-ca.crt");
 dispatcher.register('IoT/espThermometer2/#', 'toJson', EspThermToJson.espThermToJson);
-let mongo = new MongoSave.MongoSave();
+let atlasUrl = "mongodb://receiver:esp8266.@cluster0-shard-00-00-7qduq.mongodb.net:27017,cluster0-shard-00-01-7qduq.mongodb.net:27017,cluster0-shard-00-02-7qduq.mongodb.net:27017/hottis?ssl=true&replicaSet=Cluster0-shard-0&authSource=admin";
+let mongo = new MongoSave.MongoSave(atlasUrl);
 dispatcher.register('IoT/espThermometer2/#', 'MongoSave', mongo);
-// plugintest1.pluginTest1Start(dispatcher)
 dispatcher.exec();
 log.info("Dispatcher running");
 //# sourceMappingURL=main.js.map

dist/mongosave.js

@@ -1,11 +1,48 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 const CallChain = require("./callchain");
+const log = require("./log");
+const MongoDB = require("mongodb");
 class MongoSave extends CallChain.ABaseChainItem {
-    constructor() {
+    constructor(url) {
         super('MongoSave');
+        this._url = url;
+        this._mongoClient = new MongoDB.MongoClient();
+        this._connectPending = false;
     }
     func(message) {
+        if (!this._dbh) {
+            log.info("Not database connection yet");
+            if (!this._connectPending) {
+                this._connectPending = true;
+                this._mongoClient.connect(this._url)
+                    .then((db) => {
+                    log.info("Successfully opened MongoDB connect");
+                    this._dbh = db;
+                })
+                    .catch((err) => {
+                    log.error(`Failure when opening MongoDB connect: ${err}`);
+                    this._dbh = undefined;
+                });
+            }
+            else {
+                log.info("Connecting to database is pending");
+            }
+        }
+        if (this._dbh) {
+            log.info("Database handle is available");
+            let coll = this._dbh.collection("iot");
+            coll.insertOne(message)
+                .then((res) => {
+                log.info(`Successfully wrote one item in database: ${res.insertedId}`);
+            })
+                .catch((err) => {
+                log.error(`Failure when trying to write one item in database: ${err}`);
+            });
+        }
+        else {
+            log.error(`No database connection yet, drop message ${message}`);
+        }
         return "<<" + message + ">>";
     }
 }

npm-debug.log

@@ -0,0 +1,45 @@
+0 info it worked if it ends with ok
+1 verbose cli [ '/usr/bin/nodejs', '/usr/bin/npm', 'start' ]
+2 info using npm@3.10.10
+3 info using node@v6.11.2
+4 verbose run-script [ 'prestart', 'start', 'poststart' ]
+5 info lifecycle dispatcher@1.0.0~prestart: dispatcher@1.0.0
+6 silly lifecycle dispatcher@1.0.0~prestart: no script for prestart, continuing
+7 info lifecycle dispatcher@1.0.0~start: dispatcher@1.0.0
+8 verbose lifecycle dispatcher@1.0.0~start: unsafe-perm in lifecycle true
+9 verbose lifecycle dispatcher@1.0.0~start: PATH: /usr/lib/node_modules/npm/bin/node-gyp-bin:/home/wn/workspace-node/Dispatcher/node_modules/.bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/home/wn/.local/bin:/home/wn/bin:/opt/jdk/bin:/opt/apache-maven/bin:/home/wn/mos/bin
+10 verbose lifecycle dispatcher@1.0.0~start: CWD: /home/wn/workspace-node/Dispatcher
+11 silly lifecycle dispatcher@1.0.0~start: Args: [ '-c', 'node dist/main.js' ]
+12 silly lifecycle dispatcher@1.0.0~start: Returned: code: 1  signal: null
+13 info lifecycle dispatcher@1.0.0~start: Failed to exec start script
+14 verbose stack Error: dispatcher@1.0.0 start: `node dist/main.js`
+14 verbose stack Exit status 1
+14 verbose stack     at EventEmitter.<anonymous> (/usr/lib/node_modules/npm/lib/utils/lifecycle.js:255:16)
+14 verbose stack     at emitTwo (events.js:106:13)
+14 verbose stack     at EventEmitter.emit (events.js:191:7)
+14 verbose stack     at ChildProcess.<anonymous> (/usr/lib/node_modules/npm/lib/utils/spawn.js:40:14)
+14 verbose stack     at emitTwo (events.js:106:13)
+14 verbose stack     at ChildProcess.emit (events.js:191:7)
+14 verbose stack     at maybeClose (internal/child_process.js:891:16)
+14 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
+15 verbose pkgid dispatcher@1.0.0
+16 verbose cwd /home/wn/workspace-node/Dispatcher
+17 error Linux 4.9.0-3-amd64
+18 error argv "/usr/bin/nodejs" "/usr/bin/npm" "start"
+19 error node v6.11.2
+20 error npm  v3.10.10
+21 error code ELIFECYCLE
+22 error dispatcher@1.0.0 start: `node dist/main.js`
+22 error Exit status 1
+23 error Failed at the dispatcher@1.0.0 start script 'node dist/main.js'.
+23 error Make sure you have the latest version of node.js and npm installed.
+23 error If you do, this is most likely a problem with the dispatcher package,
+23 error not with npm itself.
+23 error Tell the author that this fails on your system:
+23 error     node dist/main.js
+23 error You can get information on how to open an issue for this project with:
+23 error     npm bugs dispatcher
+23 error Or if that isn't available, you can get their info via:
+23 error     npm owner ls dispatcher
+23 error There is likely additional logging output above.
+24 verbose exit [ 1, true ]

package.json

@@ -13,6 +13,7 @@
   "license": "ISC",
   "devDependencies": {
     "@types/chalk": "^0.4.31",
+    "@types/mongodb": "^2.2.10",
     "@types/mqtt": "0.0.34",
     "@types/node": "^8.0.14",
     "typescript": "^2.4.2"
@@ -20,6 +21,7 @@
   "dependencies": {
     "chalk": "^2.0.1",
     "moment": "^2.18.1",
+    "mongodb": "^2.2.31",
     "mqtt": "^2.9.2"
   }
 }

src/main.ts

@@ -12,7 +12,9 @@ let dispatcher = new mqtt.MqttDispatcher("mqtts://broker.hottis.de:8883",
 
 dispatcher.register('IoT/espThermometer2/#', 'toJson', EspThermToJson.espThermToJson)
 
-let mongo : MongoSave.MongoSave = new MongoSave.MongoSave()
+
+let atlasUrl = "mongodb://receiver:esp8266.@cluster0-shard-00-00-7qduq.mongodb.net:27017,cluster0-shard-00-01-7qduq.mongodb.net:27017,cluster0-shard-00-02-7qduq.mongodb.net:27017/hottis?ssl=true&replicaSet=Cluster0-shard-0&authSource=admin"
+let mongo : MongoSave.MongoSave = new MongoSave.MongoSave(atlasUrl)
 dispatcher.register('IoT/espThermometer2/#', 'MongoSave', mongo);
 
 

src/mongosave.ts

@@ -1,12 +1,52 @@
 import * as CallChain from './callchain'
 import * as log from './log'
+import * as MongoDB from 'mongodb'
+
 
 export class MongoSave extends CallChain.ABaseChainItem  {
-    constructor() {
+    private _url : string
+    private _mongoClient : MongoDB.MongoClient
+    private _dbh : MongoDB.Db | undefined
+    private _connectPending : boolean
+
+    constructor(url:string) {
         super('MongoSave')
+        this._url = url
+        this._mongoClient = new MongoDB.MongoClient()
+        this._connectPending = false
     }
 
     protected func(message : any) : any {
+        if (! this._dbh) {
+            log.info("Not database connection yet")
+            if (! this._connectPending) {
+                this._connectPending = true
+                this._mongoClient.connect(this._url)
+                    .then((db:MongoDB.Db) => { 
+                        log.info("Successfully opened MongoDB connect")
+                        this._dbh = db
+                    })
+                    .catch((err) => {
+                        log.error(`Failure when opening MongoDB connect: ${err}`)
+                        this._dbh = undefined
+                    })
+            } else {
+                log.info("Connecting to database is pending")
+            }
+        }
+        if (this._dbh) {
+            log.info("Database handle is available")
+            let coll : MongoDB.Collection = this._dbh.collection("iot")
+            coll.insertOne(message)
+                .then((res : MongoDB.InsertOneWriteOpResult) => {
+                    log.info(`Successfully wrote one item in database: ${res.insertedId}`)
+                })
+                .catch((err : any) => {
+                    log.error(`Failure when trying to write one item in database: ${err}`)
+                })
+        } else {
+            log.error(`No database connection yet, drop message ${message}`)
+        }
         return "<<" + message + ">>"
     }