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Bocchi_reserve_HL2020
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Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
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oec
November 22, 2020
Technology
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Bocchi_reserve_HL2020
oec
November 22, 2020
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Transcript
΅ͬͪΛ੍͢Δऀɺ΅ͬͪΛ੍͢ ΅ͬͪ༧ ౡ͔Βࢀઓ ඌੴ ݩؾ
;ͱ֗Ͱݟ͔͚Δి༧ɻͰԶɺਓͱ͢ͷແཧ • LINEͱ͔ϝοηʔδΞϓϦʹ׳ΕΔͱɺిͯ͠༧͢Δ͜ͱʹ߅͕ग़Δ • ݩʑ΅ͬͪମ࣭͔ͩΒɺਓͱ͢ͷ͕ݏͳΜͩΑͶɾɾɾ ੮͕֬อͰ͖Δి༧αʔϏε ਓͱ͢ͷஏ͔͍ͣ͠͠ɺ ΅ͬͪͩ͠ ͳΜͱ͔ͳΒΜ͔ͳʔ
ࢥͬͨ࣌ʹؾܰʹిͯ͠ɺਓΛհͣ͞༧͍ͨ͠ • WebαΠτͰ༧͢ΔͷΊΜͲ͍͘͞͠ɺਓͱ͞ͳ͍ͰిͰαΫͬͱʂʂʂ • ΅ͬͪͩ͠ɺͦΜͳʹ͘ࡏ͠ͳ͍͔ΒɺҰఆͷ࣌ؒ֬อͰ͖Ε͍͍ ࣗಈͰ༧͕औΕΔ ͋ͷళʹߦ͖͍ͨͬͯࢥͬͨ࣌ʹ
ి͔͚ͨͱ͖͔Βɺ̍࣌ؒ࠲੮͕֬อͰ͖ΔαʔϏεͰ͢ ༧࣌ؒࢦఆͰͳ͘ɺ༧͔ͨ࣌͠Β࣌ؒ • ΅ͬͪ୭͔ͱ࣌ؒௐෆཁɻ͔ͩΒߦ͖͍ͨ࣌ʹ;Βͬͱ༧Ͱ͖ΔελΠϧ • ి͔ͯ͠ΒɺҠಈ৯ࣄશͯίϛίϛͷ̍࣌ؒͱ͍͏࠲੮֬อαʔϏεʂ ి͢Δ Ҡಈ͢Δ ৯ࣄ͢Δ ళΛग़Δ
ͦͷ·Μ·ͷిͨ͠Βۭ੮ΛΛ༧Ͱ͖Δ • ిʢίʔϧͯࣗ͠ಈԻฉ͚ͩ͘ʣͰ༧͕Ͱ͖Δ • ༧ͨ͠ి൪߸Λͬͯɺ࠲੮ͷར༻։࢝ͷొΛߦ͏ ిண৴ σόΠεA ۭ͖ ۭ͖ σόΠε
Ԡ σόΠεB ۭ͖ ۭ͖ σόΠε ༧ དྷళલ དྷళޙ ۭ͍͍ͯΔσόΠε͕Ԡ͢Δ σόΠεA ༧ࡁ QRදࣔ ిΛίʔϧ͢Δ͚ͩ ༧ͨ͠ి൪߸Ͱ র߹ ༧ͨ͠ ి൪߸ র߹ σόΠεA ༧ࡁ QRදࣔ ి൪߸র߹ ར༻ ։࢝
σϞ͠·͢ʂ
ͩ͜ΘΓᶃ*%αʔόʔͰཧ͠ͳ͍ • ళฮʹ࠲੮͕૿͑ɺ͕૿͑ΔͱɺαʔόͰIDཧ͢ΔΈ͕ඞཁʹͳΔ • ΅ͬͪ༧ΞϓϦ͕Πϯετʔϧͨ͠Λઃஔ͢Δ͚ͩʹ͔ͨͬͨ͠ ిݯON UUIDੜ HTTP௨৴ ݻ༗IDΛͰ࣋ͭ ͕৽͘͠૿͑ͯɺαʔόͰIDཧ͠ͳ͍
UUIDอଘ
ͩ͜ΘΓᶄϙʔϦϯάͯ͠εςʔλεऔಘ͠ͳ͍ • ͺͺͬͱ࡞ΔʹɺԿߟ͑ͣϙʔϦϯάͨ͘͠ͳΔ͚ͲɺΊͬͪΌզຫͨ͠ • MQTTͰଆʹτϦΨʔΛૹΓɺαʔόʔʹσʔλૹ৴͢ΔΈʹνϟϨϯδ! σόΠε͕ϙʔϦϯάͯ͠Έͨ͘ͳΔ͚Ͳ αʔόʔ NඵຖʹHTTP GET ༧ཧ
ࣗѼͷ༧ Λऔಘ αʔόʔ ѼʹMQTTϝοηʔδ ΛύϒϦογϡ αʔόʔ ࣗͷঢ়ଶΛਃࠂ (MQTT or HTTP) ඞཁͳ࣌ʹɺ͔Βঢ়ଶΛΞοϓϩʔυͯ͠Β͏
ͩ͜ΘΓᶅۭ͖͔Β*%ΛԠͤ͞Δ ۭ͖ σόΠε ͷ֬ೝ σόΠεA ۭ͖ ID:1 σόΠεB ۭ͖ ID:2
σόΠεC ༧ࡁ QRදࣔ ᶃۭ͖֬ೝ MQTTͰҰ੪৴ ۭ͖ σόΠε ͷѲ σόΠεA ۭ͖ ID:1 σόΠεB ۭ͖ ID:2 σόΠεC ༧ࡁ QRදࣔ ᶄۭ͖ͷѲ ༧͕ͳ͍σόΠε͕ ϝοηʔδૹ৴(+σόΠεID) ۭ͖ σόΠε ͷ༧ σόΠεA ۭ͖ ID:1 σόΠεB ۭ͖ ID:2 σόΠεC ༧ࡁ QRදࣔ ᶅ༧ MQTTͰҰ੪৴ ༧͢Δ σόΠεIDΛϝοηʔδʹࢦఆ • αʔό͔ΒདྷͨϝοηʔδͷID = ࣗͷIDͷ߹ɺ༧ࢦࣔ͢Δ • ͜ΕͰɺαʔόʔ্Ͱ༧σʔλϕʔεΛ࣋ͭ͜ͱͳ͍ʢຊ֨ར༻DB࣋ͭʣ
5XJMJP͕࣠ͱͳΓɺిΛτϦΨʔʹσόΠεΛ༧ • ిΛֻ͚ͯɺ͓ళʹ౸ணͨ͠ΒQRίʔυΛಡΈऔΔ͚ͩͰνΣοΫΠϯʂ • ͋ͱ༐ؾΛৼΓߜͬͯɺϝχϡʔΛཔ͏ʂʢ͕ͦ͜ΜΕʂʣ ిΛֻ͚ͯTwilio Twilio Studio͔ΒIBM CloudʹHTTPͰPOST IBM
Cloud͔ΒMQTTΛύ ϒϦογϡ ి൪߸ΛM5Stackʹอ ଘͯ͠༧ ▪༧ΛऔΔͱ͖ ి൪߸ͷԼܻ̐දࣔ ▪͓ళʹ౸ணͯ͠ɺ੮Λ͏ͱ͖ QRΛಡΈࠐΈɺIBM Cloud্ͷWebαΠτ Ͱ༧ͨ͠ి൪߸Λೖྗ IBM Cloud͔ΒMQTTΛύ ϒϦογϡ M5Stackʹอ͞Ε͍ͯ Δి൪߸ͱҰக͢Ε νΣοΫΠϯʂ
༧Ͱ͖ͳ͍߹ɺંΓฦ͠ిͰڭ͑ͯ͘ΕΔ • ෳσόΠε͕͋ͬͨ߹ɺ༧֬อͷMQTTϝοηʔδΛύϒϦογϡͯ͠ɺԠ ͕͋ͬͨσόΠε̍ʹ༧ΛऔΔ͜ͱՄೳɻ㙽ʹ֯ɺDB࣋ͪͨ͘ͳ͔ͬͨw ిΛֻ͚ͯTwilio Twilio Studio͔ΒIBM CloudʹHTTPͰPOST IBM Cloud͔ΒMQTTΛύ
ϒϦογϡ ▪ଞऀ͕༧ࡁΈɺطʹ୭͔͕࠲͍ͬͯΔ߹ ༧ࡁΈ ୭͔࠲͍ͬͯΔ ToFͰݕग़ σόΠε͔ΒMQTTΛύ ϒϦογϡ IBM CloudͰMQT TϝοηʔδΛαϒεΫϥΠϒ Twilioʹ༧͖ͯͨ͠ిʹͬ͠Μ͢Δ ંΓฦ͕͋͠Δͱɺ༧ ࣦഊ