wn/MqttDispatcher
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connected to atlas

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This commit is contained in:
Wolfgang Hottgenroth
2017-08-23 17:54:50 +02:00
parent eb247646a0
commit a0a922f851
6 changed files with 131 additions and 5 deletions
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4
dist/main.js vendored
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@ -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

39
dist/mongosave.js vendored
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@ -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 + ">>";
}
}

45
npm-debug.log Normal file
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@ -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 ]

2
package.json
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@ -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"
}
}

4
src/main.ts
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@ -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);

42
src/mongosave.ts
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@ -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 + ">>"
}