gRPC入門 - Speaker Deck

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GoݴޠͰgRPCʹೖ໳ͯ͠Έͨ

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ࣗݾ঺հ Տ༢ढ़ً  גࣜձࣾLIFULL   CoEϢχοτ։ൃਪਐάϧʔϓॴଐ  ৽ଔ1೥໨  ڵຯͷ͋Δ෼໺  ɾϒϩοΫνΣʔϯ  ɾFintech  ݴޠ  Node/Solidity/PHP/Apex/Go  

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gRPCͱ͸Կ͔ • Google͕։ൃͨ͠RPCݺग़ϓϩτίϧ • ϝοηʔδ͸ProtocolBuﬀersΛ༻͍ͯ௨৴ • HTTP/2Λ༻͍ͯฒྻݺग़ɺ૒ํ޲ݺग़ɺετϦʔϛϯά ͳͲ͕Մೳ • .protoϑΝΠϧ͔Βίʔυ͕ࣗಈੜ੒Ͱ͖Δ • GoogleͷαʔϏεͰ΋࣮ࡍʹ࢖ΘΕ͍Δ

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gRPCͱ͸Կ͔ ΫϥΠΞϯτͱαʔόͰෳ਺ͷݴޠΛαϙʔτ͍ͯ͠Δ  →ϚΠΫϩαʔϏεͳͲͱ૬ੑ͕͍͍

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4ͭͷRPCํࣜ • Unary(Simple)  →1 request-1 response • ServerStreaming  →1 request-N response • ClientStreaming  →N request-1 response • BidirectionalStreaming  →N request-N response

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ϝϦοτ • REST APIΑΓURLઃܭָ͕  →protoϑΝΠϧͰAPI࢓༷Λ໌จԽͰ͖Δ  →දଆͱཪଆ͕࢓༷ͷ͢Γ߹Θָ͕ͤ • HTTP/2Ͱฒྻݺग़ͳͲ͕Ͱ͖ΔͨΊɺߴ଎ • ύϥϝʔλʔͷܕ෇͚͕Ͱ͖Δ

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࡞੒ͷྲྀΕ 1. protoϑΝΠϧͷ࡞੒ 2. ᶃͰ࡞੒ͨ͠ϑΝΠϧΛίϯύΠϧͯ͠ɺࣗಈͰ਽ܗ ίʔυΛੜ੒ 3. ਽ܗίʔυΛݩʹαʔόʔˍΫϥΠΞϯτΛ࣮૷͢Δ

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࣮ࡍʹ΍ͬͯΈΔ  (Ұ൪γϯϓϧͳUnary)

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protoϑΝΠϧ࡞੒

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ίϚϯυ࣮ߦ

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ίϚϯυͰੜ੒͞ΕΔ਽ܗϑΝΠϧ https://github.com/waytkheming/calculator-proto/blob/master/proto/calculator.pb.go

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Serverଆ

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Clientଆ

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࣮ߦ

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MongoDBΛ࢖ͬͯCUIͷTwitterΈ͍ͨͳͷΛ࡞ͬͯΈͨ https://github.com/waytkheming/gwitter-proto

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ࢀߟURL • gRPC Documentation  https://grpc.io/docs/ • ΫοΫύου͕gRPCΛ࠾༻͢Δ·ͰαʔϏεؒ௨৴Ͱ๊͑ͯ ͍ͨ՝୊ͱɺRubyͰgRPCΛӡ༻͢ΔͨΊͷ޻෉  https://logmi.jp/tech/articles/320715 • gRPCͬͯԿʁ  https://qiita.com/oohira/items/63b5ccb2bf1a913659d6 • gRPCʹ͓͚ΔRPCํࣜͷ੔ཧ  https://qiita.com/yuzo777/items/046910c95559cf0ﬀf68