「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

Transcript

1. COPYRIGHT ©2019 SHINGO FUKUI
   ʮMQTT ׬શʹཧղͨ͠ʯ͔Β
   Ұา౿Έग़ͯ͠Έͨ
   2019೥7݄19೔
   IoTറΓͷษڧձ! IoTLT vol.53 @LINE
   ෱Ҫ ᚸޗ
   

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2. COPYRIGHT ©2019 SHINGO FUKUI
   ࣗݾ঺հ
   ෱Ҫᚸޗ @SilkAndTikit
   ιϑτ΢ΣΞΤϯδχΞʢJavaScript, Java, , Lisp, Cʣ
   IoTΤϯδχΞʹస޲தɹ
   2
   IoTϋϯζΦϯ։࠵
   ࣗಈਫ΍Γػ৬ਓ
   https://iot-gym.connpass.com
   ຊͷ຋༁
   

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3. COPYRIGHT ©2019 SHINGO FUKUI
   ए͍ਓʹΑ͘આڭ͍ͯͨ͠
   3
   QiitaͷίϐϖͰ΍Γաͯͨ͝͠Β੒௕͠ͳ͍Αɻ
   ͪΌΜͱجຊͷ࢓૊ΈΛֶ͹ͳͪ͘Όɻ
   ࿝֐
   

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4. COPYRIGHT ©2019 SHINGO FUKUI
   ͦΕͳͷʹɺ
   ɹMQTTͷίʔυΛίϐϖͯ͠ࡁ·͍ͤͯͨʂ
   4
   

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5. COPYRIGHT ©2019 SHINGO FUKUI
   MQTT

   Broker
   ίϐϖͰ΋MQTTͷجຊ͸Θ͔ͬͨ
   5
   MQTT
   Client
   ϓϩτίϧ͕ܰྔͰIoTʹ޲͍͍ͯΔ
   ొ৔ਓ෺͸ Broker ͱ Client
   Publish / Subscribe ܕ௨৴
   MQTT
   Client
   Topic A
   Topic B
   "Hello"
   Publisher Subscriber
   Publish "Hello" to B
   

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6. COPYRIGHT ©2019 SHINGO FUKUI
   ίϐϖ͚ͩͩͱ

   ɹΘ͔Βͳ͍͜ͱ͕৭ʑग़͖ͯͨ
   ͲͷBrokerɺͲͷClientιϑτΛ࢖͏͔ʁ
   ϒϥ΢βͰMQTT௨৴͢Δํ๏͸ʁ
   ར༻ऀΛݶఆ͢Δํ๏͸ʁ
   Node-RedͰMQTTΛར༻͢Δํ๏͸ʁ
   6
   ͦ͜ͰɺجຊΛֶΜͰΈͨ
   ͍͔ͭ͘঺հ
   

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7. COPYRIGHT ©2019 SHINGO FUKUI
   MQTTͷ௨৴ͷछྨ
   7
   TCP઀ଓɹmqtt://αʔόΞυϨε:1883/
   Client Broker
   TCP
   

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8. COPYRIGHT ©2019 SHINGO FUKUI
   MQTTͷ௨৴ͷछྨ
   8
   TCP઀ଓɹmqtt://αʔόΞυϨε:1883/
   Client
   WebSocket઀ଓɹws://αʔόΞυϨε:9001/
   ϒϥ΢β
   JavaScript
   Broker
   Broker
   WebSocket
   TCP
   

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9. COPYRIGHT ©2019 SHINGO FUKUI
   ҉߸Խͳ͠
   MQTTͷ௨৴ͷछྨ
   9
   TCP઀ଓɹmqtt://αʔόΞυϨε:1883/
   Client
   WebSocket઀ଓɹws://αʔόΞυϨε:9001/
   ϒϥ΢β
   JavaScript
   Broker
   Broker
   WebSocket
   TCP
   

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10. COPYRIGHT ©2019 SHINGO FUKUI
    ҉߸Խͳ͠
    MQTTͷ௨৴ͷछྨ
    10
    TCP઀ଓɹmqtt://αʔόΞυϨε:1883/
    Client
    WebSocket઀ଓɹws://αʔόΞυϨε:9001/
    ϒϥ΢β
    JavaScript
    Broker
    Broker
    TLS҉߸Խ
    Client
    WebSocket઀ଓɹwss://αʔόΞυϨε:443/
    ϒϥ΢β
    JavaScript
    Broker
    Broker
    WebSocket

    + TLS
    TCP+TLS
    TCP઀ଓɹmqtts://αʔόΞυϨε:8883/
    WebSocket
    TCP
    

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11. COPYRIGHT ©2019 SHINGO FUKUI
    ར༻ऀೝূͷछྨ
    ೝূͳ͠ʢanonymousʣ
    ID, PASSWORDͰೝূ
    ʢClientূ໌ॻͰೝূʣ
    11
    

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12. COPYRIGHT ©2019 SHINGO FUKUI
    ௨৴ͷछྨͷશύλʔϯ
    2 x 2 x 2 = 8ύλʔϯ
    12
    TCP
    WebSocket
    ҉߸Խͳ͠
    TLS
    Clientೝূͳ͠
    ID, PASSWORD
    X X
    ஫ɿClientূ໌ॻ͸লུ
    

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13. 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.
    

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14. COPYRIGHT ©2019 SHINGO FUKUI
    Node-RedͰMQTT
    Clientͱͯ͠࢖͍͍ͨ
    BrokerΛNode-Red಺Ͱಈ͔͍ͨ͠
    14
    

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15. COPYRIGHT ©2019 SHINGO FUKUI
    PublishϊʔυɺSubscribeϊʔυΛ࢖͏
    Clientͱͯ͠࢖͍͍ͨ
    15
    MQTT

    Broker
    subscribe
    publish
    

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16. COPYRIGHT ©2019 SHINGO FUKUI
    PublishϊʔυɺSubscribeϊʔυΛ࢖͏
    Clientͱͯ͠࢖͍͍ͨ
    16
    MQTT

    Broker
    subscribe
    publish
    Node-RedͱBrokerΛηοτͰఏڙ͢Δ

    Ϋϥ΢υαʔϏε΋͋Δ
    

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17. COPYRIGHT ©2019 SHINGO FUKUI
    Node-Red಺ͰBrokerΛಈ͔͍ͨ͠
    17
    node.jsͰॻ͔ΕͨMQTT Broker ʮMoscaʯ͕ϊʔυͱͯ͠ಈ͘
    ʮύϨοτͷ؅ཧʯͰnode-red-contrib-mqtt-brokerΛ௥Ճ͢Δ
    TCP
    , WebSocket྆ରԠɻID,PASSWORD͸? TLS͸ʁ
    Node-RedαʔόʔͷMQTTϙʔτ͕ղ์͞Ε͍ͯΕ͹֎෦ػثͱ௨৴Ͱ͖Δ
    subscribe
    publish
    Broker
    

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18. COPYRIGHT ©2019 SHINGO FUKUI
    جຊΛֶͿ͜ͱ͸େࣄʂ
    18
    

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19. COPYRIGHT ©2019 SHINGO FUKUI
    ݁࿦ɿ͜Ε͔Β΋આڭΛଓ͚Δ
    19
    ϝϯλʔ
    ࿝֐
    QiitaͷίϐϖͰ΍Γաͯͨ͝͠Β੒௕͠ͳ͍Αɻ
    ͪΌΜͱجຊͷ࢓૊ΈΛֶ͹ͳͪ͘Όɻ
    

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