The famous cocoa TCP open source library a Demo, after I slightly modified

robbiehanson-CocoaAsyncSocket-9616a40
.....................................\.gitignore
.....................................\CocoaAsyncSocket.podspec
.....................................\GCD
.....................................\...\Documentation.html
.....................................\...\GCDAsyncSocket.h
.....................................\...\GCDAsyncSocket.m
.....................................\...\GCDAsyncUdpSocket.h
.....................................\...\GCDAsyncUdpSocket.m
.....................................\...\Xcode
.....................................\...\.....\BonjourClient
.....................................\...\.....\.............\BonjourClient-Info.plist
.....................................\...\.....\.............\BonjourClient.xcodeproj
.....................................\...\.....\.............\.......................\project.pbxproj
.....................................\...\.....\.............\.......................\project.xcworkspace
.....................................\...\.....\.............\.......................\...................\contents.xcworkspacedata
.....................................\...\.....\.............\BonjourClientAppDelegate.h
.....................................\...\.....\.............\BonjourClientAppDelegate.m
.....................................\...\.....\.............\BonjourClient_Prefix.pch
.....................................\...\.....\.............\English.lproj
.....................................\...\.....\.............\.............\InfoPlist.strings
.....................................\...\.....\.............\.............\MainMenu.xib
.....................................\...\.....\.............\main.m
.....................................\...\.....\BonjourServer
.....................................\...\.....\.............\BonjourServer-Info.plist
.....................................\...\.....\.............\BonjourServer.xcodeproj
.....................................\...\.....\.............\.......................\project.pbxproj
.....................................\...\.....\.............\.......................\project.xcworkspace
.....................................\...\.....\.............\.......................\...................\contents.xcworkspacedata
.....................................\...\.....\.............\BonjourServerAppDelegate.h
.....................................\...\.....\.............\BonjourServerAppDelegate.m
.....................................\...\.....\.............\BonjourServer_Prefix.pch
.....................................\...\.....\.............\English.lproj
.....................................\...\.....\.............\.............\InfoPlist.strings
.....................................\...\.....\.............\.............\MainMenu.xib
.....................................\...\.....\.............\main.m
.....................................\...\.....\ConnectTest
.....................................\...\.....\...........\Desktop
.....................................\...\.....\...........\.......\ConnectTest.xcodeproj
.....................................\...\.....\...........\.......\.....................\project.pbxproj
.....................................\...\.....\...........\.......\.....................\project.xcworkspace
.....................................\...\.....\...........\.......\.....................\...................\contents.xcworkspacedata
.....................................\...\.....\...........\.......\ConnectTest
.....................................\...\.....\...........\.......\...........\ConnectTest-Info.plist
.....................................\...\.....\...........\.......\...........\ConnectTest-Prefix.pch
.....................................\...\.....\...........\.......\...........\ConnectTestAppDelegate.h
.....................................\...\.....\...........\.......\...........\ConnectTestAppDelegate.m
.....................................\...\.....\...........\.......\...........\en.lproj
.....................................\...\.....\...........\.....

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