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「MQTT完全に理解した」から一歩踏み出してみた / Learning MQTT beyond...
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Shingo Fukui
July 19, 2019
Technology
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1k
「MQTT完全に理解した」から一歩踏み出してみた / Learning MQTT beyond copy-paste habit
IoTLT vol.53の発表資料
タイトル:「MQTT完全に理解した」から一歩踏み出してみた
Shingo Fukui
July 19, 2019
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Transcript
COPYRIGHT ©2019 SHINGO FUKUI ʮMQTT શʹཧղͨ͠ʯ͔Β Ұา౿Έग़ͯ͠Έͨ 20197݄19 IoTറΓͷษڧձ! IoTLT
vol.53 @LINE Ҫ ᚸޗ
COPYRIGHT ©2019 SHINGO FUKUI ࣗݾհ Ҫᚸޗ @SilkAndTikit ιϑτΣΞΤϯδχΞʢJavaScript, Java, ,
Lisp, Cʣ IoTΤϯδχΞʹసதɹ 2 IoTϋϯζΦϯ։࠵ ࣗಈਫΓػ৬ਓ https://iot-gym.connpass.com ຊͷ༁
COPYRIGHT ©2019 SHINGO FUKUI ए͍ਓʹΑ͘આڭ͍ͯͨ͠ 3 QiitaͷίϐϖͰΓաͯͨ͝͠Β͠ͳ͍Αɻ ͪΌΜͱجຊͷΈΛֶͳͪ͘Όɻ
COPYRIGHT ©2019 SHINGO FUKUI ͦΕͳͷʹɺ ɹMQTTͷίʔυΛίϐϖͯ͠ࡁ·͍ͤͯͨʂ 4
COPYRIGHT ©2019 SHINGO FUKUI MQTT Broker ίϐϖͰMQTTͷجຊΘ͔ͬͨ 5 MQTT Client
ϓϩτίϧ͕ܰྔͰIoTʹ͍͍ͯΔ ొਓ Broker ͱ Client Publish / Subscribe ܕ௨৴ MQTT Client Topic A Topic B "Hello" Publisher Subscriber Publish "Hello" to B
COPYRIGHT ©2019 SHINGO FUKUI ίϐϖ͚ͩͩͱ ɹΘ͔Βͳ͍͜ͱ͕৭ʑग़͖ͯͨ ͲͷBrokerɺͲͷClientιϑτΛ͏͔ʁ ϒϥβͰMQTT௨৴͢Δํ๏ʁ ར༻ऀΛݶఆ͢Δํ๏ʁ Node-RedͰMQTTΛར༻͢Δํ๏ʁ
6 ͦ͜ͰɺجຊΛֶΜͰΈͨ ͍͔ͭ͘հ
COPYRIGHT ©2019 SHINGO FUKUI MQTTͷ௨৴ͷछྨ 7 TCPଓɹmqtt://αʔόΞυϨε:1883/ Client Broker TCP
COPYRIGHT ©2019 SHINGO FUKUI MQTTͷ௨৴ͷछྨ 8 TCPଓɹmqtt://αʔόΞυϨε:1883/ Client WebSocketଓɹws://αʔόΞυϨε:9001/ ϒϥβ
JavaScript Broker Broker WebSocket TCP
COPYRIGHT ©2019 SHINGO FUKUI ҉߸Խͳ͠ MQTTͷ௨৴ͷछྨ 9 TCPଓɹmqtt://αʔόΞυϨε:1883/ Client WebSocketଓɹws://αʔόΞυϨε:9001/
ϒϥβ JavaScript Broker Broker WebSocket TCP
COPYRIGHT ©2019 SHINGO FUKUI ҉߸Խͳ͠ MQTTͷ௨৴ͷछྨ 10 TCPଓɹmqtt://αʔόΞυϨε:1883/ Client WebSocketଓɹws://αʔόΞυϨε:9001/
ϒϥβ JavaScript Broker Broker TLS҉߸Խ Client WebSocketଓɹwss://αʔόΞυϨε:443/ ϒϥβ JavaScript Broker Broker WebSocket + TLS TCP+TLS TCPଓɹmqtts://αʔόΞυϨε:8883/ WebSocket TCP
COPYRIGHT ©2019 SHINGO FUKUI ར༻ऀೝূͷछྨ ೝূͳ͠ʢanonymousʣ ID, PASSWORDͰೝূ ʢClientূ໌ॻͰೝূʣ 11
COPYRIGHT ©2019 SHINGO FUKUI ௨৴ͷछྨͷશύλʔϯ 2 x 2 x 2
= 8ύλʔϯ 12 TCP WebSocket ҉߸Խͳ͠ TLS Clientೝূͳ͠ ID, PASSWORD X X ɿClientূ໌ॻলུ
COPYRIGHT ©2019 SHINGO FUKUI ࣮ݧͷਐΊํ: 1εςοϓͣͭෳࡶԽ 13 MQTT.js mosquitto mosquitto
TCP TCP Client Broker ID,PW MQTT.js ID,PW TCP mosquitto MQTT.js mosquitto WebSocket WebSocket WebSocket TLS MQTT.js TLS TCP+TLS mosquitto 1. 2. 3. 4. 5.
COPYRIGHT ©2019 SHINGO FUKUI Node-RedͰMQTT Clientͱ͍͍ͯͨ͠ BrokerΛNode-RedͰಈ͔͍ͨ͠ 14
COPYRIGHT ©2019 SHINGO FUKUI PublishϊʔυɺSubscribeϊʔυΛ͏ Clientͱ͍͍ͯͨ͠ 15 MQTT Broker subscribe
publish
COPYRIGHT ©2019 SHINGO FUKUI PublishϊʔυɺSubscribeϊʔυΛ͏ Clientͱ͍͍ͯͨ͠ 16 MQTT Broker subscribe
publish Node-RedͱBrokerΛηοτͰఏڙ͢Δ ΫϥυαʔϏε͋Δ
COPYRIGHT ©2019 SHINGO FUKUI Node-RedͰBrokerΛಈ͔͍ͨ͠ 17 node.jsͰॻ͔ΕͨMQTT Broker ʮMoscaʯ͕ϊʔυͱͯ͠ಈ͘ ʮύϨοτͷཧʯͰnode-red-contrib-mqtt-brokerΛՃ͢Δ
TCP , WebSocket྆ରԠɻID,PASSWORD? TLSʁ Node-RedαʔόʔͷMQTTϙʔτ͕ղ์͞Ε͍ͯΕ֎෦ػثͱ௨৴Ͱ͖Δ subscribe publish Broker
COPYRIGHT ©2019 SHINGO FUKUI جຊΛֶͿ͜ͱେࣄʂ 18
COPYRIGHT ©2019 SHINGO FUKUI ݁ɿ͜Ε͔ΒઆڭΛଓ͚Δ 19 ϝϯλʔ QiitaͷίϐϖͰΓաͯͨ͝͠Β͠ͳ͍Αɻ ͪΌΜͱجຊͷΈΛֶͳͪ͘Όɻ