H31$ͱ4XJGU ಋೖฤ ྛɹᚸ࢘ $"4XJGU

ྛɹᚸ࢘ (JU)VCTIJO ೥৽ଔೖࣾɻגࣜձࣾͷJ04ΤϯδχΞΛܦͯɺ ݱࡏ͸461&3$)0*$&ͷJ04Λ୲౰ɻ ࣗݾ঺հ

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H31$

H31$ 31$Λ࣮ݱ͢ΔͨΊ(PPHMF͕։ൃͨ͠ϑϨʔϜϫʔΫ 1SPUPDPM#V⒎FSTʹΑΓ σʔλͷγϦΞϥΠζɾαʔϏεΠϯλʔϑΣΠεΛఆٛ ଟݴޠରԠ $ +BWB (P 0CKFDUJWF$FUDʣ

HSQDTXJGU

೥݄ʙɹެ։ 31$Λ(PPHMF͕4XJGUͰ࡞੒ IUUQTHJUIVCDPNHSQDHSQDTXJGU HSQDTXJGU

4XJGU4VNNJU4BO'SBODJTDP IUUQTXXXTMJEFTIBSFOFUUJNCVSLTGBTUBOESFMJBCMFTXJGUBQJTXJUIHSQD HSQDTXJGU

1SPUPDPM#V⒎FST

1SPUPDPM#V⒎FST (PPHMF͕։ൃ͍ͯ͠ΔγϦΞϥΠζϑΥʔϚοτ ɾQSPUPϑΝΠϧʹΑΔΫϥεఆٛ ɾςΩετͰ͸ͳ͘όΠφϦʹม׵ ɾܕ৘ใ͕͋ΔͨΊ҆શ

͍ܰ Մಡੑ Մಡੑ 1SPUPDPM#V⒎FST +40/ ϝϦοτ σϝϦοτ ಋೖखॱ͕ෳࡶ ίϯύΠϧ͕ඞཁ σʔλͷղੳॲཧ͕ෳࡶ ૣ͍ ௨৴ ҆શ Ұൠత σʔλྔ͕େྔ ؀ڥ σόοά 1SPUPDPM#V⒎FSTɾ+40/

ͦ΋ͦ΋31$

ϓϩάϥϜ͔ΒผͷΞυϨεۭؒʹ͋Δ αϒϧʔνϯ΍खଓ͖Λ࣮ߦ͢Δ͜ͱΛՄೳʹ͢Δٕज़ GVODUJPO ΫϥΠΞϯτ αʔόʔ ొ࿥ ొ࿥ GVODUJPO ࡞ۀՕॴ 31$ϥΠϒϥϦɾϑϨʔϜϫʔΫ 31$ 31$3FNPUF1SPDFEVSF$BMMԕִखଓ͖ݺͼग़͠

H31$

H31$ )551ͷ࢓༷ʹଇͬͨܗͰछྨͷ௨৴ํࣜΛఏڙ IUUQTHSQDJPEPDTHVJEFTDPODFQUTIUNM

6OBSZ31$T ͭͷϦΫΤετʹରͯͭ͠ͷϨεϙϯεΛฦ͢ํࣜ 3FRVFTU $MJFOU 3FTQPODF ҰൠతͳϚΠΫϩαʔϏεͳͲ ༻్ H31$ 4FSWFS

4FSWFS4USFBNJOH31$T ͭͷϦΫΤετʹରͯ͠ෳ਺ͷϨεϙϯεΛฦ͢ํࣜ 3FRVFTU $MJFOU 3FTQPODF αʔόαΠυϓογϡ λΠϜϥΠϯ ϑΟʔυ഑৴ͳͲ ༻్ H31$ 3FTQPODF 3FTQPODF 4FSWFS

$MJFOU4USFBNJOH31$T ෳ਺ͷϦΫΤετʹରͯͭ͠ͷϨεϙϯεΛฦ͢ํࣜ 3FRVFTU 3FTQPODF େྔͷσʔλΞοϓϩʔυͳͲ ༻్ H31$ 4FSWFS 3FRVFTU 3FRVFTU $MJFOU

#JEJSFDUJPOBM4USFBNJOH31$T ෳ਺ͷϦΫΤετʹରͯ͠ෳ਺ͷϨεϙϯεΛฦ͢ํࣜ νϟοτͳͲ૒ํ޲௨৴Λߦ͏ͳͲ ༻్ H31$ 4FSWFS 3FRVFTU 3FTQPODF 3FTQPODF 3FRVFTU $MJFOU

ɾ*%-͕ͦͷ··ΠϯλʔϑΣΠευΩϡϝϯτ ɾαʔόʔɾΫϥΠΞϯτʹඞཁͳίʔυͷࣗಈੜ੒ ɾ1SPUPDPM#V⒎FSTʹΑΓܕอূ͕͞ΕΔ H31$

HSQDHBUFXBZ

QSPUPCVGఆ͔ٛΒ3&45"1*Λఏڙ͢ΔϦόʔεϓϩΩγΛੜ੒ ௨ৗ௨ΓH31$Ͱߏஙͨ͠αʔόʹ3&45ܦ༝ͰͷΞΫηε΋Մೳ HSQDHBUFXBZ

1SPUPDPM#V⒎FST ಋೖ

ಋೖ TXJGUQSPUPCVG HJUDMPOFIUUQTHJUIVCDPNBQQMFTXJGUQSPUPCVGHJU DETXJGUQSPUPCVG TXJGUCVJME QSPUPDHFOTXJGU͕࡞ΒΕΔ

ಋೖ TBNQMFQSPUP syntax = "proto3" message Info { int64 id = 1 string title = 2 }

CSFXJOTUBMMQSPUPCVG QSPUPDTXJGU@PVUTBNQMFQSPUP MT TBNQMFQCTXJGUTBNQMFQSPUP IUUQTTQFBLFSEFDLDPNLZPIFJHQSPUPDPMCV⒎FST ิ଍ ϓϥάΠϯͷ1"5)Λ௨͓ͯ͘͠ͱศརͰ͢ɻ QSPUPDTXJGU@PVUʻग़ྗઌσΟϨΫτϦʼʻೖྗϑΝΠϧʼ ಋೖ TXJGUQSPUPCVG

H31$ ಋೖ

ಋೖ TBNQMFQSPUP CSFXJOTUBMMQSPUPCVG HJUDMPOFIUUQTHJUIVCDPNHSQDHSQDTXJGUHJU DEHSQDTXJGUQMVHJO NBLF QSPUPDHFOTXJGUQSPUPDHFOTXJGUHSQD͕࡞ΒΕΔ

ಋೖ FDIPQSPUP syntax = "proto3"; package echo; service Echo { rpc Get(EchoRequest) returns (EchoResponse) {} rpc Expand(EchoRequest) returns (stream EchoResponse) {} rpc Collect(stream EchoRequest) returns (EchoResponse) {} rpc Update(stream EchoRequest) returns (stream EchoResponse) {} } message EchoRequest { // The text of a message to be echoed. string text = 1; } message EchoResponse { // The text of an echo response. string text = 1; }

ಋೖ TBNQMFQSPUP QSPUPDQMVHJOQSPUPDHFOTXJGUCVJMEEFCVHQSPUPDHFOTXJGU TXJGU@PVUFDIPQSPUP QSPUPDQMVHJOQSPUPDHFOTXJGUHSQDCVJMEEFCVHQSPUPDHFOTXJGUHSQD TXJGUHSQD@PVUFDIPQSPUP ˈMT FDIPQCTXJGUFDIPHSQDTXJGUFDIPQSPUP ϓϥΠάΠϯΛࢦఆ࣮ͯ͠ߦ 1"5)Λ௨͍ͯ͠ͳ͍ํ๏

ಋೖ TBNQMFQSPUP FDIPQSPUP 1SPUPDPM#V⒎FSMBOHVBHFTPVSDFpMF FDIPQCTXJGU (FOFSBUFECZQSPUPDHFOTXJGU FDIPHSQDTXJGU (FOFSBUFECZQSPUPDHFOTXJGUHSQD IUUQTXXXTMJEFTIBSFOFUUJNCVSLTGBTUBOESFMJBCMFTXJGUBQJTXJUIHSQD

H31$TXJGU ಋೖ TBNQMFͷಈ͔͠ํ

ಋೖ HJUDMPOFIUUQTHJUIVCDPNHSQDHSQDTXJGUHJU DEHSQDTXJGUQMVHJO NBLF DEUIJSE@QBSUZ TI36/.&TI DETXJGUQSPUPCVG NBLF 4XJGU1SPUPCVGYDPEFQSPK4XJGU(31$YDPEFQSPK͕࡞ΒΕΔ

ಋೖ ࣗ෼ͷϓδΣΫτʹೖΕΔ৔߹ ࡞੒͞ΕͨYDPEFQSPKϑΝΠϧͷ྆ํΛϧʔτϓϩδΣΫτͷԼʹ͍ΕΔ

ಋೖ &YBNQMFͷ&DIP ࡞੒͞Εͨ4XJGU(31$YDPEFQSPKΛ&YBNQMF&DIPͷϧʔτϓϩδΣΫτ ͷԼʹ͍ΕΔ

ಋೖ ϓϩδΣΫτͷ(FOFSBMλϒʹҠಈ &NCFEEFE#JOBSJFT΁ #PSJOH44- $H31$ H31$ $[MJCϑϨʔϜϫʔΫΛ௥Ճ

ಋೖ ࣗ෼ͷϓδΣΫτʹೖΕΔ৔߹ #VJME4FUUJOHT಺ 4ZTUFN)FBEFS4FBSDI1BUITͱ4ZTUFN'SBNFXPSL4FBSDI1BUITʹ ʢ$H31$Ͱͷ໰୊ͷΑ͏ͳͷͰ͍ͣΕվળ͞ΕΔ͔΋ʣ Λ௥Ճ XIFSFZPVDMPOFUIFHSDQTXJGUHJUHSQDTXJGU4PVSDFT$H31$JODMVEF

ಋೖ ࣗ෼ͷϓδΣΫτʹೖΕΔ৔߹ 4XJGU(31$YDPEFQSPK಺ͷUBSHFUT͔Β[MJCFYBNQMFΛ࡟আ Ϗϧυ͕௨ΔΑ͏ʹͳΔ

த਎

FDIPQSPUP syntax = "proto3"; package echo; service Echo { rpc Get(EchoRequest) returns (EchoResponse) {} rpc Expand(EchoRequest) returns (stream EchoResponse) {} rpc Collect(stream EchoRequest) returns (EchoResponse) {} rpc Update(stream EchoRequest) returns (stream EchoResponse) {} } message EchoRequest { // The text of a message to be echoed. string text = 1; } message EchoResponse { // The text of an echo response. string text = 1; }

FDIPQSPUP syntax = "proto3"; package echo; service Echo { rpc Get(EchoRequest) returns (EchoResponse) {} rpc Expand(EchoRequest) returns (stream EchoResponse) {} ← serverStreaming rpc Collect(stream EchoRequest) returns (EchoResponse) {} ← clientStreaming rpc Update(stream EchoRequest) returns (stream EchoResponse) {} ← bidirectionalStreaming } message EchoRequest { // The text of a message to be echoed. string text = 1; } message EchoResponse { // The text of an echo response. string text = 1; } ← unaryStreaming

FDIPQSPUP syntax = "proto3"; package echo; service Echo { rpc Get(EchoRequest) returns (EchoResponse) {} rpc Expand(EchoRequest) returns (stream EchoResponse) {} rpc Collect(stream EchoRequest) returns (EchoResponse) {} rpc Update(stream EchoRequest) returns (stream EchoResponse) {} } message EchoRequest { // The text of a message to be echoed. string text = 1; } message EchoResponse { // The text of an echo response. string text = 1; } ϦΫΤετϝοηʔδ Ϩεϙϯεϝοηʔδ ϝιουఆٛ ϝοηʔδ ఆٛ αʔϏεఆٛ

FDIPQCTXJGU

FDIPHSQDTXJGU

FDIPHSQDTXJGU

&DIP7JFX$POUSPMMFSTXJGU . . . . . .

H31$ ࣮૷ෛ୲ͷܰݮ ؅ཧͷෛ୲ݮ αʔόʔɾΫϥΠΞϯτͷίʔυࣗಈੜ੒ )551̎ʹΑΔ௨৴ QSPUPϑΝΠϧʹΑͬͯΠϯλʔϑΣʔεఆٛɾ࢓༷ FUD

HSQDHBUFXBZ͕ඞཁʹͳΔ৔໘ H31$ ϑϨʔϜϫʔΫͷ੒ख़౓ υΩϡϝϯτྔ ಋೖɾֶशίετ νʔϜ಺ͰͷϫʔΫϑϩʔ ઈࢍ։ൃதɾมߋ఺ʹ஫ҙ ՝୊ ࣮૷ෛ୲ͷܰݮ ؅ཧͷෛ୲ݮ αʔόʔɾΫϥΠΞϯτͷίʔυࣗಈੜ੒ )551̎ʹΑΔ௨৴ QSPUPϑΝΠϧʹΑͬͯΠϯλʔϑΣʔεఆٛɾ࢓༷ FUD

5IBOL:PV