Zeroconf on iOS

About overview about the Bonjour.

Transcript

1. Zeroconf on iOS merpay Tech Talk #1
2. About me • Software Engineer at merpay • Twitter : @_natpenguin • GitHub : natpenguin
3. Agenda • What is the Zeroconf? • Coding on iOS
4. Zeroconf
5. Zero Configuration Networking Zeroconf
6. Zeroconf connecting…
7. Zeroconf connected!
8. Zeroconf connected! No needed human operation
9. Zeroconf • To provide IP address • To automatically resolve the host name • To automatically distribute the host name • To find services
10. History
11. AppleTalk
12. AppleTalk 1984
13. 1984 # $
14. Protocol AppleTalk Address Resolution Protocol / AppleTalk Address Resolution Protocol / Datagram Delivery Protocol /FUXPSL Transport 4FTTJPO 1SFTFOUBUJPO "QQMJDBUJPO Routing Table Maintenance Protocol / AppleTalk Echo Protocol / Name Binding Protocol / AppleTalk Transaction Protocol / AppleTalk Update-Based Routing Protocol AppleTalk Filing Protocol Zone Information Protocol / Printer Access Protocol / AppleTalk Session Protocol / AppleTalk Data Stream Protocol
15. Problem
16. Load
17. Problem on AppleTalk
18. Problem on AppleTalk
19. TCP/IP
20. TCP/IP AppleTalk
21. AppleTalk
22. Bonjour
23. Bonjour • Instead of AppleTalk • Resolved the problem of performance • Implementation on TCP/IP • AirPrint / AirPlay(AirTunes) • Only local network
24. Coding
25. Bonjour API • To provide IP address • To automatically resolve the host name • To automatically distribute the host name • To find services
26. Bonjour API • To provide IP address • To automatically resolve the host name • To automatically distribute the host name • To find services
27. Coding
28. Server NetService
29. Server let domain = "local." let type = "_awesome._tcp." let name = "Awesome Service" let port: Int32 = 10000
30. 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
31. 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
32. https://www.iana.org/assignments/ service-names-port-numbers/ service-names-port-numbers.xhtml Document of Type
33. Client NetServiceBrowser
34. Client let domain = "local." let type = "_awesome._tcp."
35. Client let domain = "local." let type = "_awesome._tcp." browser.searchForServices(ofType: type, inDomain: domain)
36. Client browser.searchForServices(ofType: type, inDomain: domain) func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) let domain = "local." let type = "_awesome._tcp."
37. Client browser.searchForServices(ofType: type, inDomain: domain) func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) let domain = "local." let type = "_awesome._tcp." browser.delegate = self
38. Client extension ViewController: NetServiceBrowserDelegate { func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) { service.resolve(withTimeout: 10.0) } }
39. Client func netServiceDidResolveAddress(_ sender: NetService) extension ViewController: NetServiceBrowserDelegate { func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) { service.resolve(withTimeout: 10.0) } }
40. Client func netServiceDidResolveAddress(_ sender: NetService) extension ViewController: NetServiceBrowserDelegate { func netServiceBrowser(_ browser: NetServiceBrowser, didFind service: NetService, moreComing: Bool) { service.delegate = self service.resolve(withTimeout: 10.0) } }
41. Client more BSD Socket CFSocket NSStream
42. https://developer.apple.com/ documentation/foundation/ netservice Document of NetService
43. 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
44. Command $ dns-sd -B _printer._tcp Browsing a printer service
45. 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
46. iOS12
47. Network.framework
48. 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") }
49. Android https://github.com/mannodermaus/ RxBonjour https://github.com/andriydruk/ RxDNSSD https://github.com/HQarroum/ android-mdns
50. Paradigm Foo Foo
51. Paradigm Foo Foo Zeroconf
52. Paradigm
53. Paradigm Zeroconf
54. Let’s enjoy