Server-Side Swift - Speaker Deck

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Salut 2

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Simone Civetta 3

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Je suis un développeur iOS 4

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6 ans 5

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3,5 ans 7

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Enﬁn... 14

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Plan ➀ Les Origines ➁ État de l'art ➂ Pourquoi l'utiliser ? ➃ Swift Server dans la vraie vie ➄ Évolutions 15

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1. Les origines 16

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Pourquoi Open Source ? 19

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2. État de l'art 25

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Swift 3 26

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1.0 27

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1.1 28

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1.2 29

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2.0 30

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2.1 31

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2.2 32

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2.3 33

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Swift 3 34

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1 version tous les 3,42 mois 35

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Un langage complet 36

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Bibliothèques tierces 42

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Bibliothèques tierces stables 43

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Bibliothèques C 47

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Frameworks Web 48

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Swift Package Manager 54

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SPM swift package init swift package fetch swift package update swift package generate-xcodeproj 55

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Swift Package Catalog 56

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Quelques images Docker ☞ swiftdocker/swift/ ☞ ibmcom/kitura-ubuntu/ ☞ zewo/todobackend/ 60

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Qualité du code 61

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Metriques de qualité Pour en savoir plus... speakerdeck.com/viteinﬁnite/be-the-quality-you-want-to-see-in- your-app-swift-edition 66

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Enﬁn... 69

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3. Pourquoi l'utiliser ? 70

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Développement actif 71

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Performance 78

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Performance 79

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Performance 80

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Memory Source: http://benchmarksgame.alioth.debian.org 81

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Applications isomorphes 82

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4. Dans la vraie vie 83

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Package.swift import PackageDescription let package = Package( name: "xebicon", dependencies: [ .Package(url: "https://github.com/IBM-Swift/Kitura.git", majorVersion: 1, minor: 0), .Package(url: "https://github.com/feinstruktur/CRabbitMQ", majorVersion: 1) ]) 87

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Serveur HTTP import Kitura let router = Router() router.post("/vote/station", handler: { request, response, next in do { try processVoteRequest(request) } catch { debugPrint(error) response.send(status: .badRequest) } next() }) Kitura.addHTTPServer(onPort: 8080, with: router) Kitura.run() 88

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Build $ swift build Linking CHTTPParser Compile Swift Module 'Socket' (3 sources) Compile Swift Module 'HeliumLogger' (1 sources) Compile Swift Module 'SwiftyJSON' (2 sources) Compile Swift Module 'SSLService' (1 sources) Compile Swift Module 'KituraNet' (29 sources) Compile Swift Module 'Kitura' (40 sources) Compile Swift Module 'xebicon' (12 sources) Linking ./.build/debug/xebicon 89

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Bilbliothèques C func publish(message: String, exchange: String, key: String) throws { guard let connection = self.connection else { throw AMQPConnectorError.notConnected } amqp_basic_publish(connection, Constants.defaultChannel, amqp_cstring_bytes(exchange), amqp_cstring_bytes(key), 0, 0, nil, amqp_cstring_bytes(message)) } 90

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Tests func testPostVote() { let router = HTTPController().router performServerTest(router) { expectation in self.performRequest("post", path: "vote/station", requestModifier: { request in request.write(from: "{" + "\"trainId\": 1," + "\"media\": \"MOBILE\"," + "\"userId\": \"23de45f\"" + "}") }) { response in XCTAssertEqual(response!.statusCode, HTTPStatusCode.OK) expectation.fulfill() } } } 91

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Tout s'est bien passé™ 93

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Enﬁn... 94

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Cross platform #if os(Linux) import Glibc #else import Darwin #endif 99

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Swift Build 100

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Swift Package Manager Mess swift package generate-xcodeproj 101

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Tester c'est linker Undefined symbols for architecture x86_64: "test2.test2.init () -> test2.test2", referenced from: test2Tests.test2Tests.(testExample () -> ()). (implicit closure #1) in test2Tests.o ld: symbol(s) not found for architecture x86_64 clang: error: linker command failed with exit code 1 102