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seki at druby.org
June 01, 2013
Programming
910
6
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Async programming is all about programming synchronously.
RubyKaigi 2013 - 10:00 room A
rev.7
seki at druby.org
June 01, 2013
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Transcript
Async Asynchronously. ඇಉظͬͯಉظΛॻ͘͜ͱ͡ΌΜɻ
[email protected]
programming is all about programming
Important First ϑολʔʹεϙϯαʔ͕ग़ͯΔ͔ΒݟͯͶ!!
About me
WEB+DB PRESS Vol.73 ʮͨͷ͍͠։ൃ࣮گதܧʯͷϨϏϡʔ͋Γ͕ͱ͏͍͟͝·ͨ͠ (ஶऀҰಉ) code ERB dRuby Rinda Drip
͑Ή͞ΜύΠϯΞϝ1kg͋Γ͕ͱ͏ talk RubyKaigi 2006, 7, 8, 9, 10, 11, 13
RubyConf 2012
ͺ͖ͬΎΔʙΜ!! @tsurumau and write dRuby ʹΑΔ ؔকढ़ஶ ࢄ ɾ Web
ϓϩάϥϛϯά
Answering the RubyConf 2012
ΦʔϜࣾץʰϓϩάϥϛϯάClojure ୈೋ൛ʱࢴͱిࢠॻ੶͋Θͤͯධൃചதʂ @koichiro RubyConf 2012 "dRubyࣦഊ࡞ͩ" dRubyಉظݺͼग़͔ͩ͠Βࣦഊͳ ʁʁʁ ݴ͍༁͠ͳ͍ͱʂ
RubyKaigi2013ָ͠ΈͰ͢ɻ@iwadon ࠓ͓͢Δ͜ͱ ඇಉظʹ͓͜Δ͍ΖΜͳ͜ͱ͍͍ͭͩͨ ͍ಉ͡Α͏ʹղ͘ΜͩΑͬͯ
ΫϦΞίʔυRubyձٞ2013ͷγϧόʔεϙϯαʔͰ͢ ਐΊํ ੈք͍͍ͩͨඇಉظͱಉظͰͰ͖͍ͯΔ ඇಉظ෩ͳঢ়گΛͨ͘͞Μࣔ͠·͢ ͍ͭಉ͡Α͏ʹղ༷͘ࢠΛݟͯͶ
ా͞Μָͬͦ͘͢͝͠͏ʹΛฉ͍ͯ͘Ε·͢ɻൃදͷ͋ͱʹ͔ͭ·͑ͯͯ͠ΈͯͶ ࠓ͓͢Δ͜ͱ 2 Μ͍͘͏ͳ dRubyඇಉظݺͼग़͞Ε RubyͰͰ͖ΔόοΫάϥϯυॲཧ વͰ͖Δͷ
Wait a moment ✓ +3:00ɹ ✓ ࠓͷAgenda ✓ એ͗͢͠ͳ͍ ✓
࣍ඇಉظݺͼग़͞Ε
͙Μ·Ͱ·ͬͯΔ ඇಉظͬͯͳʹ Α͘Θ͔Μͳ͍͚Ͳಉظత͡Όͳ͍ͷʁ ࠓࣗͷ߹ͱؔͳ͘ى͜Δͳʹ͔ɺ ͱ͠·͢
͔͚͠ͳ͍ͰΒ͑·͔͢ @track8 ඇಉظݺͼग़͞Εܥ ࣗͷ߹ʹؔͳ͘ݺΕΔ UNIX signal dRuby RMI
9/21 ͱͪ͗Rubyձٞ05ΑΖ͓͘͠Ͷ͕͍͠·͢ @mame UNIX signal ͳʹΛ͍ͯͯ͠ɺಥવొ͞Ε͕ͨؔݺ Εͯɺ͖ͬ͞ͷͱ͜Ζ͔Β࠶։͢Δ ओॲཧγάφϧ͕ൃੜͨ͜͠ͱΛΒͳ͍
͕Μͬ౦! @MUNAKATA_Akiko UNIX signal ͳʹΛ͍ͯͯ͠ɺಥવొ͞Ε͕ͨؔݺ Εͯɺ͖ͬ͞ͷͱ͜Ζ͔Β࠶։͢Δ int foo() { while(1)
{ bar(); baz(); } } int signal_hanlder(...) { }
Lang-8૬ޓఴܕSNSͰɺ190ϲࠃ͔Β80छྨҎ্ͷݴޠͰར༻͞Εͯ·͢ɻ@sasata299 dRuby RMI dRubyඇಉظݺͼग़͞ΕͰ͋Δ RMI͝ͱʹ৽͍͠εϨου͕Ͱ͖ͯॲཧ͢Δ ଞͷεϨουRMI͕͋ͬͨ͜ͱΛΒͳ͍
Δؾφϯγʔ @vestige_ dRuby RMI RMI͝ͱʹ৽͍͠εϨου͕Ͱ͖ͯॲཧ͢Δ ଞͷεϨουRMI͕͋ͬͨ͜ͱΛΒͳ͍ DRb.start_service(...) DRb.thread.join class Service
def foo ... end end
Yokohama.rbຖ݄ୈ2༵։࠵Ͱ͢ʂ ඇಉظݺͼग़͞Εͷಛ ·͞ʹඇಉظ ࣗͷ߹ʹؔͳ͘ݺͼग़͞ΕΔ ͦͯ͠ݺͼग़͞Εͨ͜ͱΛΒͳ͍ ݺΕͨΒͳʹ͔͢Δɺ͕ॻ͖ʹ͍͘
֏͞ΜڃʹΓͳ͍ʰͳΔ΄ͲUNIXϓϩηεʱୡਓग़൛ձ͔ΒେධൃചதͰ͢!! @kakutani ݺͼग़͞Εͨ͜ͱΛ͑Δ ͑Δνϟϯε͕͋Δͷݺͼग़͞Εͨଆ Ͳ͏ͬͯ͑Δʁ Global Variables Synchronization Mechanisms
ελʔτΞοϓRuby Kindle൛͡Ί·ͨ͠ @igaiga555 Global Variables ඇಉظʹݺͼग़͞Εͨ͜ͱΛϝϞ͢Δ ͰϝϞͨ͜͠ͱΛͯͳ͍ ϙʔϦϯά busy loopʹͳΔ͔...
EINTRͱ͏·͘Έ߹ΘͤΔͷख
hikari no cafe Ұॹʹߦ͜͏! ฏʹ༡ͼʹ͖ͯ!! > @ay Synchronization Mechanisms εϨουؒͷ߹ͤɺݴ
͕݅ἧ͏·ͰٳΉ εϨου͕ผεϨουʹใΛ͑Δ εϨου͕ผεϨου͔ΒͷใΛड͚Δ
@nagachika͞Μͷruby-trunk-changesɺ͍ͭݟͯ·͢! Latch, Semaphore, Monitor ͕݅ἧ͏·Ͱͭ ͋ͷඇಉظݺͼग़͕͋ͬͨ͠Αʂͱ͔Ͷ
6/5ͷAWS Summit Tokyo 2013Ͱ͠ΌΓ·͢ɻςΫχΧϧτϥοΫʹ͋ͿΕͨํͥͻɻ @tsuboi Queue ͯΔ্ʹϞϊΛͤΔ FIFO ͍͑ͨΦϒδΣΫτΛpush, pop
ۭͷͱ͖ΦϒδΣΫτ͕ಧ͘·ͰٳΉ
ϑΣΠτɾςελϩοα http://www.fatechan.com Queue QueueΛհʹೋͭεϨου͕ಉظ͢Δ while req = $q.pop do_it(req) end
ϑΣΠτɾςελϩοα http://www.fatechan.com Queue QueueΛհʹೋͭεϨου͕ಉظ͢Δ while req = $q.pop do_it(req) end
class Service def foo(bar) $q.push(bar) end end
ϑΣΠτɾςελϩοα http://www.fatechan.com Queue QueueΛհʹೋͭεϨου͕ಉظ͢Δ while req = $q.pop do_it(req) end
class Service def foo(bar) $q.push(bar) end end
ϑΣΠτɾςελϩοα http://www.fatechan.com Queue QueueΛհʹೋͭεϨου͕ಉظ͢Δ while req = $q.pop do_it(req) end
class Service def foo(bar) $q.push(bar) end end sync!!!
ϑΣΠτɾςελϩοα http://www.fatechan.com Queue QueueΛհʹೋͭεϨου͕ಉظ͢Δ while req = $q.pop do_it(req) end
class Service def foo(bar) $q.push(bar) end end sync!!!
RubyKaigi 2013ແࣄϦϦʔε͞ΕͯͨΒiRubyKaigi'13ͰνΣοΫ!! @gutskun socket ... ಉظϝΧχζϜͱݺΕͯͳ͍͚Ͳ... FIFO σʔλͷ౸ணΛͯΔ σʔλΛͤΔ
@hemge ʹձͬͨͷRubyձٞ2007Ͱͨ͠Ͷʔɻࠓͦ͜দߐͷ՛ࢠ͞ΜҊ͍ͯͩ͘͠͞ɻ Rinda::TupleSpace ॱংʹ͖·Γ͕ͳ͍ λϓϧͷऔΓग़͠ʹΑΔ߹ͤͱใަ ύλʔϯϚον ActorϞσϧͷϝοηʔδͷج൫ʹ߹͏Α Τʔςϧ
ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn Rinda::TupleSpace TupleSpaceΛத৺ʹෳͷεϨου͕ಉظ ඇಉظݺͼग़͞Εؔͳ͍͚ͲӈଆͶ req = $ts.take([:req, ..])
value = do_it(req) $ts.write([:ans, value])
ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn Rinda::TupleSpace TupleSpaceΛத৺ʹෳͷεϨου͕ಉظ ඇಉظݺͼग़͞Εؔͳ͍͚ͲӈଆͶ req = $ts.take([:req, ..])
value = do_it(req) $ts.write([:ans, value]) $ts.write([:req, ..]) $ts.take([:ans, nil])
ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn Rinda::TupleSpace TupleSpaceΛத৺ʹෳͷεϨου͕ಉظ ඇಉظݺͼग़͞Εؔͳ͍͚ͲӈଆͶ req = $ts.take([:req, ..])
value = do_it(req) $ts.write([:ans, value]) $ts.write([:req, ..]) $ts.take([:ans, nil]) sync!!!
ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn Rinda::TupleSpace TupleSpaceΛத৺ʹෳͷεϨου͕ಉظ ඇಉظݺͼग़͞Εؔͳ͍͚ͲӈଆͶ req = $ts.take([:req, ..])
value = do_it(req) $ts.write([:ans, value]) $ts.write([:req, ..]) $ts.take([:ans, nil]) sync!!!
ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn Rinda::TupleSpace TupleSpaceΛத৺ʹෳͷεϨου͕ಉظ ඇಉظݺͼग़͞Εؔͳ͍͚ͲӈଆͶ req = $ts.take([:req, ..])
value = do_it(req) $ts.write([:ans, value]) $ts.write([:req, ..]) $ts.take([:ans, nil]) sync!!! sync!!!
ΤϯδχΞืूதͰ͢ bit.ly/cookpad_jobs @mrkn Rinda::TupleSpace TupleSpaceΛத৺ʹෳͷεϨου͕ಉظ ඇಉظݺͼग़͞Εؔͳ͍͚ͲӈଆͶ req = $ts.take([:req, ..])
value = do_it(req) $ts.write([:ans, value]) $ts.write([:req, ..]) $ts.take([:ans, nil]) sync!!! sync!!!
Ұॹʹ͋ͷөըΛݟ͍ͨͰ͢ɻ > @nari3 ·ͱΊ ඇಉظʹݺͼग़͞Εͨ݁ՌΛΔͷ໘ ಉظϝΧχζϜΛ͏ͱ͑Δ͜ͱ͕Ͱ͖Δ
Wait a moment ✓ +13:00ɹ ✓ dRubyඇಉظݺͼग़͞Ε ✓ ݺͼग़͞Εͨ݁ՌΛผεϨουʹ͑Δಉظ ✓
࣍ଈ࣌෮ؼ
֏͞ΜͷಠಛͷงғؾಌΕ·͢! ֻ͍͔͚ͭ͠ʹ͍͖·͢! - @elim όοΫάϥϯυॲཧ ଈ࣌෮ؼ ॲཧΛड͚͚ͨΒ੍ޚ͕Δ ड͚͚ॲཧͩͱࢥ͏ͱྃͯ͠Δ
The dRuby Book ຊޠ൛δϡϯΫಊͰۚͰങ͑Δ ͜Εඇಉظʁ ͏ʔΜ ࣗͷ߹ͱؔͳ͘ॲཧΛ࣮ߦ ࣗͷ߹ͱؔͳྃ͘
9/21 ಹਢԘݪ ͱͪ͗Rubyձٞ05 Eiffelຊ༁ऀͷञ͞Μ͕͘ΔΑʂ ݁Ռ͕ؾʹͳΔ ଈ࣌෮ؼͷଟ͘ͷ߹ Γͬͺͳ͠Ͱͳ͘ ݁Ռʹڵຯ͕͋Δ ݁ՌΛͭAPI͕༻ҙ͞ΕͯΔ
The dRuby Book Japanese Edition : Best as GIFT FROM
JAPAN جຊతͳύλʔϯ ॲཧΛґཔ → νέοτΒ͏! ฒߦͯࣗ͠ͷࣄΛ͢Δ νέοτͬͯґཔͷ݁ՌΛͭ←ಉظ͢Δ
` service جຊతͳύλʔϯ d request join ticket value application background
task
dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba) νέοτͷྫ ιέοτͦͷͷ͕νέοτ ґཔΛॻ͖ɺ݁ՌΛಡΉ
popenͳͲࣅͨΑ͏ͳͷ ticket = TCPClient.new(...) ticket.write('your task') my_important_task ticket.read
2013-9-21 ͱͪ͗Rubyձٞ05 @ ಹਢԘݪࢢ౦ಹਢެຽؗ νέοτͷྫ εϨουνέοτͷΑ͏ʹ͑Δ joinͰ߹ͤͱͷऔಘ͕ҰʹͰ͖ΔΑ ticket = Thread.new
{ your_task } my_important_task ticket.join
The dRuby Book νέοτͷྫ λϓϧεϖʔεͳΒλϓϧ ticket = Object.new tuple_space.write([:your_task, ticket])
my_important_task tuple_space.take([:your_task_done, ticket])
ʮαϯϥΠζग़ӢͰߦ͘ RubyWorld Conference 2013 ʯಉߦऀืूதʂ @yancya ͕ࣗ͠αʔόͩͬͨΒ ॲཧΛґཔ ฒߦͯࣗ͠ͷࣄ͢Δ νέοτͬͯґཔͷ݁ՌΛͭ
ʮαϯϥΠζग़ӢͰߦ͘ RubyWorld Conference 2013 ʯಉߦऀืूதʂ @yancya ͕ࣗ͠αʔόͩͬͨΒ ॲཧΛґཔ ฒߦͯࣗ͠ͷࣄΛ͢Δ νέοτͬͯґཔͷ݁ՌΛͭ
ґཔΛͭ
ʮαϯϥΠζग़ӢͰߦ͘ RubyWorld Conference 2013 ʯಉߦऀืूதʂ @yancya ͕ࣗ͠αʔόͩͬͨΒ ॲཧΛґཔ ฒߦͯࣗ͠ͷࣄΛ͢Δ νέοτͬͯґཔͷ݁ՌΛͭ
ґཔΛͭ ೋछྨ͍ͪͨ
dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba) ͪํ͕·ͪ·ͪͩͱࠔΔ or Ͱͭͳ͛ͳ͍
࠷ॳͷ߹ͤͰࢭ·ͬͪΌ͏ ͍Ζ͍ΖҰʹͯͳ͍ͱμϝ queue.pop or soc.read or rinda.take or ...
dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba) ҰൠԽͨ͠αʔόͷϧʔϓ ͍Ζ͍Ζ·ͱΊͯͭ ৽͍͠ґཔͳΒ...
ྃ௨ͳΒ...
dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba) ۉ࣭ʹͯ͠·ͱΊͯͭ ͲΕಉ͡APIͰͯΔΑ͏ʹۉ࣭ʹ͢Δ select()શͯΛϑΝΠϧʹͯ͠Δ
TupleSpacetupleʹਖ਼نԽ
dRubyHiroba - dRuby hands-on 6/2 10:30- (RubyHiroba) ·ͱΊ ଈ࣌෮ؼ͢Δͱ͖ɺ͍͍ͨͯ݁Ռ͕ؾʹͳΔ ݁ՌΛͭͷಉظ
ඇಉظݺͼग़͞Εͱಉ͡Α͏ͳײ͡
Wait a moment ✓ +22:00ɹ ✓ ଈ࣌෮ؼͰಉظ͕ϛι ✓ ͚࣍ࣗͩݻ·Βͳ͍ྗͷ͜ͱ
Ruby's GC slide is here! : slidesha.re/19sbBwA (w/o animation, free
ver) and gumroad.com/l/xWCR (w/ animation, premium ver) selectଐϝΠϯϧʔϓ select(ͨ͘͞Μͷιέοτ) ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖ ͳʹ͔ॲཧΛ͢Δ
͵Ruby൪ɺ͍͓ͭੈʹͳ͓ͬͯΓ·͢ʂTIMEXɺ͔Θ͍͍Ͱ͋Γ·͢ʂ ίʔϧόοΫͷύλʔϯ select(ͨ͘͞Μͷιέοτ) ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖ ͳʹ͔ॲཧΛ͢Δ ϑϨʔϜϫʔΫ͕Ӆ͢ ͜ͷลίʔϧόοΫ
The dRuby Book ίʔϧόοΫͷ᠘ select(ͨ͘͞Μͷιέοτ) ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖ ͳʹ͔ॲཧΛ͢Δ ϑϨʔϜϫʔΫશମ͕͘ ͳΔ ͕͍͜͜ͱ
The dRuby Book ίʔϧόοΫͷ᠘ select(ͨ͘͞Μͷιέοτ) ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖ ͳʹ͔ॲཧΛ͢Δ ૬ޓʹݺͼ߹͍ͬͯΔͱγεςϜશ ମ͕ݻ·Δ... ͞Βʹผαʔόʹґཔͨ͘͠
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The dRuby Book ίʔϧόοΫͷ᠘ select(ͨ͘͞Μͷιέοτ) ϒϩοΫ͠ͳ͍ιέοτͷಡΈॻ͖ ͳʹ͔ॲཧΛ͢Δ ͠ΐ͏͕ͳ͍͔Β݁Ռͪselect ϑϨʔϜϫʔΫͷཧ֎Ͱͭ͜ͱʹ
http://www.amazon.co.jp/registry/wishlist/1R43BBPSPUEEE/ γϯάϧεϨου ॲཧ͕Ͳ͜·ͰਐΜ͔ͩίϯςΩετΛ࡞ͬ ͯɺॲཧதͰϝΠϯϧʔϓʹΔ ࣗવͳίʔυʹ͢Δͷۤ࿑͢Δ Fiberͱ͔ܧଓͱ͔...
2013-9-21ͱͪ͗Rubyձٞ05 @ ಹਢԘݪࢢ౦ಹਢެຽؗ ͋Εʁ ιέοτͷͪͱFiberͳΒThreadͱେࠩͳ ͍ͷͰʁ
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