Zero Configuration

Zero Configuration on Apple Platform

Transcript

1. Zero Configuration Nagoya iOS meetup Vol. 4
2. Introduction • Software Engineer at merpay • Twitter : @_natpenguin • GitHub : natpenguin
3. Agenda • What is the Zero Configuration? • Zero Configuration on Apple Platform • Coding on iOS
4. Zero Configuration Networking (Zeroconf)
5. Zero Configuration Networking connecting
6. Zero Configuration Networking connected
7. Zeroconf • Avahi (Linux / BSD) • Bonjour • Windows CE 5.0 (LLMNR) • UPnP • AirPlay / AirPrint • DLNA …
8. Application developer IP Address Domain Don’t need to know
9. Bonjour
10. History
11. AppleTalk
12. AppleTalk • 1984 • Published phase 2 1989 • Internet(TCP/IP) • Rendezvous on Mac OS X Jaguar(v10.2) 2002 • Bonjour on Mac OS X Tiger(v10.4) 2005 • Deleted from Mac OS X Snow Leopard(v10.6) 2009
13. Coding
14. Server NetService
15. Server let domain = "local." let type = “_awesome._tcp." let name = "Awesome Service" let port: Int32 = 10000
16. Server let domain = "local." let type = “_awesome._tcp." let name = "Awesome Service" let service = NetService(domain: domain, type: type, name: name, port: port) let port: Int32 = 10000
17. Server let domain = "local." let type = “_awesome._tcp.” let name = "Awesome Service" service.publish() let service = NetService(domain: domain, type: type, name: name, port: port) let port: Int32 = 10000
18. https://www.iana.org/assignments/ service-names-port-numbers/ service-names-port-numbers.xhtml Type
19. Client NetServiceBrowser
20. Client let domain = "local." let type = “_awesome._tcp."
21. Client let domain = "local." let type = “_awesome._tcp." browser.searchForServices(ofType: type, inDomain: domain)
22. Client browser.searchForServices(ofType: type, inDomain: domain) func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) let domain = "local." let type = “_awesome._tcp."
23. Client extension ViewController: NetServiceBrowserDelegate { func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) { // do something... } }
24. Client browser.delegate = self browser.searchForServices(ofType: type, inDomain: domain) extension ViewController: NetServiceBrowserDelegate { func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) { // do something... } }
25. Client extension ViewController: NetServiceBrowserDelegate { func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) { service.resolve(withTimeout: 10.0) } }
26. Client extension ViewController: NetServiceBrowserDelegate { func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) { service.resolve(withTimeout: 10.0) } } func netServiceDidResolveAddress(_ sender: NetService)
27. Client extension ViewController: NetServiceDelegate { func netServiceDidResolveAddress(_ sender: NetService) { // do something... } } service.resolve(withTimeout: 10.0) service.delegate = self
28. Client more BSD Socket CFSocket NSStream
29. Command $ dns-sd -B <Type> $ dns-sd -L <Service Name> <Type> <Domain> $ dns-sd -G <protocol> <Hostname> $ dns-sd -H Browsing Resolving a service instance Getting IP Address Help
30. Command $ dns-sd -B _printer._tcp Browsing a printer service
31. Command $ dns-sd -B _printer._tcp Browsing a printer service Browsing for _printer._tcp DATE: ---Mon 20 Aug 2018--- 3:21:58.151 ...STARTING... Timestamp A/R Flags if Domain Service Type Instance Name 3:21:58.151 Add 2 8 local. _printer._tcp. Printer Service
32. iOS12
33. Network.framework
34. Network.framework let name = "Awesome Service" let type = "_awesome._tcp." let domain = "local." let parameters = NWParameters.tcp let port = NWEndpoint.Port(integerLiteral: 10000) listener.service = NWListener.Service(name: name, type: type, domain: domain) guard let listener = try? NWListener(using: parameters, on: port) else { fatalError("Listener can't be initialized") }
35. Let’s enjoy