net/httpでつくるHTTPルーター自作入門

https://gocon.jp/2021autumn/sessions/handmade-http-router/

Transcript

1. net/httpͰͭ͘Δ HTTPϧʔλʔࣗ࡞ೖ໳ @bmf_san
 Go Conference 2021 Autumn
2. • Kenta Takeuchi • @bmf_san • גࣜձࣾϚΫΞέ/Re-ArchitectureνʔϜ • ֤छΤϯδχΞืूதͰ͢ʂ ࣗݾ঺հ
3. ࠓ೔࿩͢͜ͱ GoͰඪ४ύοέʔδ͚ͩΛ࢖ͬͯɺ
 HTTPϧʔλʔΛࣗ࡞͢Δ࿩
4. ͜Μͳํʹ • Goͷॳֶऀ • GoͰԿ͔࡞ͬͯΈ͍ͨਓ • ݴޠ໰ΘͣHTTPϧʔλʔΛ࡞ͬͯΈ͍ͨਓ
5. ࣗ࡞ͯ͠ΈΔͱɾɾ • net/httpͷཧղΛਂΊΔ͖͔͚ͬʹ • ΞϧΰϦζϜͱσʔλߏ଄ΛֶͿ͖͔͚ͬʹ • ੈͷதͷHTTPϧʔλʔͷߏ଄͕େମ෼͔ΔΑ͏ʹ • ࣗ࡞ͷϧʔλʔͰΞϓϦΛ࡞ΕΔΑ͏ʹ
6. લఏ • Goͷجຊతͳจ๏ͷཧղ • Կ͔͠ΒͷHTTPϧʔλʔΛ࢖ͬͨ͜ͱ͕͋Δ
7. Zenn Book
8. ໨࣍ • HTTPϧʔλʔͱ͸Կ͔ • HTTPϧʔλʔͷσʔλߏ଄ • net/httpʹ͍ͭͯ஌͓͖͍ͬͯͨ͜ͱ • ࣮૷ͷ঺հ
9. HTTPϧʔλʔͱ͸ • ϦΫΤετ͞ΕΔURLͱϨεϙϯεͷॲཧΛ݁ͼ͚ͭΔ
10. HTTPϧʔλʔͷσʔλߏ଄ • ϦΫΤετ͞ΕΔURLͱϨεϙϯεͷॲཧ Λ݁ͼ͚ͭΔ URLͱॲཧ͕Ϛοϐϯά͞Εͨ σʔλ͕ඞཁ
11. HTTPϧʔλʔͷσʔλߏ଄ • URLͷ֊૚ → ໦ߏ଄ͱͯ͠දݱ
12. • ໦ʹϊʔυΛ௥Ճ͢Δ㲈ϧʔτͷఆٛ • ໦͔ΒϊʔυΛ୳ࡧ͢Δ㲈ϧʔςΟϯά HTTPϧʔλʔͷσʔλߏ଄
13. net/httpʹ͍ͭͯ஌͓͖͍ͬͯͨ͜ͱᶃ • ʮϚϧνϓϨΫαʯͱʮϋϯυϥʯ • ϚϧνϓϨΫα • ϦΫΤετͷURLΛొ࿥ࡁΈͷύλʔϯͱরΒ͠߹Θͤ ͯɺ࠷΋Ϛον͢ΔϋϯυϥΛݺͼग़͢ • ϋϯυϥ • ϦΫΤετʹԠͨ͡ॲཧΛฦ͢
14. net/httpʹ͍ͭͯ஌͓͖͍ͬͯͨ͜ͱᶄ • ϚϧνϓϨΫα • Ͳ͜ͰɺͲͷΑ͏ʹϋϯυϥΛొ࿥͍ͯ͠Δͷ͔ • Ͳ͜ͰɺͲͷΑ͏ʹURLͱύλʔϯͷϚονϯάΛߦ͍ͬͯ Δ͔ • ϋϯυϥ • ͲͷΑ͏ʹϋϯυϥΛ࣮૷͢Δͷ͔ • HandleɺHandlerɺHandleFuncɺHandlerFuncΛ஌Δ • ຬ͍ͨͨ͠ΠϯλʔϑΣʔε͸Կ͔
15. • ͜ͷܗͷHTTPαʔόʔͷίʔυΛಡΈղ͘ͷ͕͓͢͢Ί ίʔυϦʔσΟϯά
16. • ϝιουϕʔεͷϧʔτఆٛΛαϙʔτ͚ͨͩ͠ͷ؆қతͳϧʔλʔͷ࣮૷ • ґଘ͸ඪ४ύοέʔδͷΈ ࣮૷ https://github.com/bmf-san/introduction-to-golang-http-router-made-with-net-http/
17. Github https://github.com/bmf-san/goblin
18. ؔ࿈ϦϯΫ ݻఆπΠʔτʹͿΒԼ͛ͯ͋Γ·͢
19. ͋Γ͕ͱ͏Go͍͟·ͨ͠ʂ