std-s
2 years ago
parent
70a46ed151
commit
ce0c6ff832
@ -0,0 +1,29 @@ |
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PODS: |
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- Flutter (1.0.0) |
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- flutter_openim_sdk (0.0.1): |
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- Flutter |
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- OpenIMSDKCore (= 3.0.0-beta) |
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- OpenIMSDKCore (3.0.0-beta) |
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|
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DEPENDENCIES: |
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- Flutter (from `Flutter`) |
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- flutter_openim_sdk (from `.symlinks/plugins/flutter_openim_sdk/ios`) |
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|
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SPEC REPOS: |
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trunk: |
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- OpenIMSDKCore |
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|
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EXTERNAL SOURCES: |
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Flutter: |
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:path: Flutter |
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flutter_openim_sdk: |
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:path: ".symlinks/plugins/flutter_openim_sdk/ios" |
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|
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SPEC CHECKSUMS: |
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Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854 |
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flutter_openim_sdk: ed909a3ad758f605a188acd96d6f38f27953016f |
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OpenIMSDKCore: 4f3815fe8e0a6ef4130894afd2e8ad4d343df66e |
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|
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PODFILE CHECKSUM: 7368163408c647b7eb699d0d788ba6718e18fb8d |
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|
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COCOAPODS: 1.11.3 |
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@ -1,122 +1,103 @@ |
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{ |
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"images" : [ |
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{ |
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"size" : "20x20", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-20x20@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "20x20" |
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}, |
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{ |
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"size" : "20x20", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-20x20@3x.png", |
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"scale" : "3x" |
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"scale" : "3x", |
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"size" : "20x20" |
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}, |
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{ |
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"size" : "29x29", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-29x29@1x.png", |
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"scale" : "1x" |
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"scale" : "1x", |
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"size" : "29x29" |
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}, |
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{ |
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"size" : "29x29", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-29x29@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "29x29" |
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}, |
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{ |
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"size" : "29x29", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-29x29@3x.png", |
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"scale" : "3x" |
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"scale" : "3x", |
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"size" : "29x29" |
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}, |
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{ |
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"size" : "40x40", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-40x40@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "40x40" |
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}, |
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{ |
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"size" : "40x40", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-40x40@3x.png", |
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"scale" : "3x" |
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"scale" : "3x", |
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"size" : "40x40" |
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}, |
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{ |
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"size" : "60x60", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-60x60@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "60x60" |
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}, |
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{ |
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"size" : "60x60", |
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"idiom" : "iphone", |
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"filename" : "Icon-App-60x60@3x.png", |
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"scale" : "3x" |
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"scale" : "3x", |
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"size" : "60x60" |
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}, |
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{ |
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"size" : "20x20", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-20x20@1x.png", |
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"scale" : "1x" |
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"scale" : "1x", |
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"size" : "20x20" |
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}, |
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{ |
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"size" : "20x20", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-20x20@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "20x20" |
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}, |
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{ |
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"size" : "29x29", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-29x29@1x.png", |
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"scale" : "1x" |
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"scale" : "1x", |
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"size" : "29x29" |
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}, |
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{ |
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"size" : "29x29", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-29x29@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "29x29" |
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}, |
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{ |
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"size" : "40x40", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-40x40@1x.png", |
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"scale" : "1x" |
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"scale" : "1x", |
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"size" : "40x40" |
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}, |
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{ |
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"size" : "40x40", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-40x40@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "40x40" |
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}, |
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{ |
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"size" : "76x76", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-76x76@1x.png", |
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"scale" : "1x" |
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"scale" : "1x", |
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"size" : "76x76" |
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}, |
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{ |
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"size" : "76x76", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-76x76@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "76x76" |
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}, |
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{ |
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"size" : "83.5x83.5", |
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"idiom" : "ipad", |
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"filename" : "Icon-App-83.5x83.5@2x.png", |
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"scale" : "2x" |
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"scale" : "2x", |
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"size" : "83.5x83.5" |
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}, |
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{ |
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"size" : "1024x1024", |
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"idiom" : "ios-marketing", |
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"filename" : "Icon-App-1024x1024@1x.png", |
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"scale" : "1x" |
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"scale" : "1x", |
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"size" : "1024x1024" |
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} |
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], |
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"info" : { |
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"version" : 1, |
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"author" : "xcode" |
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"author" : "xcode", |
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"version" : 1 |
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} |
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} |
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|
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@ -0,0 +1,405 @@ |
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/* |
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Copyright (c) 2014, Ashley Mills |
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All rights reserved. |
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|
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions are met: |
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|
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1. Redistributions of source code must retain the above copyright notice, this |
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list of conditions and the following disclaimer. |
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|
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2. Redistributions in binary form must reproduce the above copyright notice, |
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this list of conditions and the following disclaimer in the documentation |
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and/or other materials provided with the distribution. |
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|
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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|
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import SystemConfiguration |
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import Foundation |
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|
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public enum ReachabilityError: Error { |
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case failedToCreateWithAddress(sockaddr, Int32) |
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case failedToCreateWithHostname(String, Int32) |
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case unableToSetCallback(Int32) |
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case unableToSetDispatchQueue(Int32) |
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case unableToGetFlags(Int32) |
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} |
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@available(*, unavailable, renamed: "Notification.Name.reachabilityChanged") |
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public let ReachabilityChangedNotification = NSNotification.Name("ReachabilityChangedNotification") |
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public extension Notification.Name { |
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static let reachabilityChanged = Notification.Name("reachabilityChanged") |
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} |
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public class Reachability { |
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public typealias NetworkReachable = (Reachability) -> () |
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public typealias NetworkUnreachable = (Reachability) -> () |
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@available(*, unavailable, renamed: "Connection") |
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public enum NetworkStatus: CustomStringConvertible { |
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case notReachable, reachableViaWiFi, reachableViaWWAN |
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public var description: String { |
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switch self { |
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case .reachableViaWWAN: return "Cellular" |
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case .reachableViaWiFi: return "WiFi" |
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case .notReachable: return "No Connection" |
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} |
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} |
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} |
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|
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public enum Connection: CustomStringConvertible { |
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case unavailable, wifi, cellular |
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public var description: String { |
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switch self { |
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case .cellular: return "Cellular" |
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case .wifi: return "WiFi" |
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case .unavailable: return "No Connection" |
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} |
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} |
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|
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@available(*, deprecated, renamed: "unavailable") |
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public static let none: Connection = .unavailable |
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} |
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public var whenReachable: NetworkReachable? |
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public var whenUnreachable: NetworkUnreachable? |
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@available(*, deprecated, renamed: "allowsCellularConnection") |
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public let reachableOnWWAN: Bool = true |
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|
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/// Set to `false` to force Reachability.connection to .none when on cellular connection (default value `true`) |
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public var allowsCellularConnection: Bool |
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|
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// The notification center on which "reachability changed" events are being posted |
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public var notificationCenter: NotificationCenter = NotificationCenter.default |
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@available(*, deprecated, renamed: "connection.description") |
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public var currentReachabilityString: String { |
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return "\(connection)" |
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} |
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|
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@available(*, unavailable, renamed: "connection") |
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public var currentReachabilityStatus: Connection { |
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return connection |
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} |
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|
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public var connection: Connection { |
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if flags == nil { |
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try? setReachabilityFlags() |
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} |
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|
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switch flags?.connection { |
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case .unavailable?, nil: return .unavailable |
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case .cellular?: return allowsCellularConnection ? .cellular : .unavailable |
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case .wifi?: return .wifi |
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} |
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} |
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|
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fileprivate var isRunningOnDevice: Bool = { |
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#if targetEnvironment(simulator) |
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return false |
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#else |
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return true |
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#endif |
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}() |
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fileprivate(set) var notifierRunning = false |
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fileprivate let reachabilityRef: SCNetworkReachability |
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fileprivate let reachabilitySerialQueue: DispatchQueue |
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fileprivate let notificationQueue: DispatchQueue? |
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fileprivate(set) var flags: SCNetworkReachabilityFlags? { |
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didSet { |
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guard flags != oldValue else { return } |
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notifyReachabilityChanged() |
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} |
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} |
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|
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required public init(reachabilityRef: SCNetworkReachability, |
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queueQoS: DispatchQoS = .default, |
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targetQueue: DispatchQueue? = nil, |
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notificationQueue: DispatchQueue? = .main) { |
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self.allowsCellularConnection = true |
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self.reachabilityRef = reachabilityRef |
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self.reachabilitySerialQueue = DispatchQueue(label: "uk.co.ashleymills.reachability", qos: queueQoS, target: targetQueue) |
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self.notificationQueue = notificationQueue |
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} |
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|
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public convenience init(hostname: String, |
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queueQoS: DispatchQoS = .default, |
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targetQueue: DispatchQueue? = nil, |
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notificationQueue: DispatchQueue? = .main) throws { |
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guard let ref = SCNetworkReachabilityCreateWithName(nil, hostname) else { |
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throw ReachabilityError.failedToCreateWithHostname(hostname, SCError()) |
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} |
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self.init(reachabilityRef: ref, queueQoS: queueQoS, targetQueue: targetQueue, notificationQueue: notificationQueue) |
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} |
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|
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public convenience init(queueQoS: DispatchQoS = .default, |
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targetQueue: DispatchQueue? = nil, |
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notificationQueue: DispatchQueue? = .main) throws { |
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var zeroAddress = sockaddr() |
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zeroAddress.sa_len = UInt8(MemoryLayout<sockaddr>.size) |
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zeroAddress.sa_family = sa_family_t(AF_INET) |
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|
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guard let ref = SCNetworkReachabilityCreateWithAddress(nil, &zeroAddress) else { |
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throw ReachabilityError.failedToCreateWithAddress(zeroAddress, SCError()) |
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} |
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self.init(reachabilityRef: ref, queueQoS: queueQoS, targetQueue: targetQueue, notificationQueue: notificationQueue) |
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} |
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deinit { |
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stopNotifier() |
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} |
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} |
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|
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public extension Reachability { |
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// MARK: - *** Notifier methods *** |
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func startNotifier() throws { |
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guard !notifierRunning else { return } |
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let callback: SCNetworkReachabilityCallBack = { (reachability, flags, info) in |
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guard let info = info else { return } |
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// `weakifiedReachability` is guaranteed to exist by virtue of our |
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// retain/release callbacks which we provided to the `SCNetworkReachabilityContext`. |
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let weakifiedReachability = Unmanaged<ReachabilityWeakifier>.fromOpaque(info).takeUnretainedValue() |
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// The weak `reachability` _may_ no longer exist if the `Reachability` |
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// object has since been deallocated but a callback was already in flight. |
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weakifiedReachability.reachability?.flags = flags |
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} |
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|
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let weakifiedReachability = ReachabilityWeakifier(reachability: self) |
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let opaqueWeakifiedReachability = Unmanaged<ReachabilityWeakifier>.passUnretained(weakifiedReachability).toOpaque() |
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var context = SCNetworkReachabilityContext( |
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version: 0, |
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info: UnsafeMutableRawPointer(opaqueWeakifiedReachability), |
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retain: { (info: UnsafeRawPointer) -> UnsafeRawPointer in |
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let unmanagedWeakifiedReachability = Unmanaged<ReachabilityWeakifier>.fromOpaque(info) |
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_ = unmanagedWeakifiedReachability.retain() |
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return UnsafeRawPointer(unmanagedWeakifiedReachability.toOpaque()) |
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}, |
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release: { (info: UnsafeRawPointer) -> Void in |
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let unmanagedWeakifiedReachability = Unmanaged<ReachabilityWeakifier>.fromOpaque(info) |
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unmanagedWeakifiedReachability.release() |
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}, |
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copyDescription: { (info: UnsafeRawPointer) -> Unmanaged<CFString> in |
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let unmanagedWeakifiedReachability = Unmanaged<ReachabilityWeakifier>.fromOpaque(info) |
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let weakifiedReachability = unmanagedWeakifiedReachability.takeUnretainedValue() |
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let description = weakifiedReachability.reachability?.description ?? "nil" |
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return Unmanaged.passRetained(description as CFString) |
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} |
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) |
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|
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if !SCNetworkReachabilitySetCallback(reachabilityRef, callback, &context) { |
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stopNotifier() |
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throw ReachabilityError.unableToSetCallback(SCError()) |
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} |
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|
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if !SCNetworkReachabilitySetDispatchQueue(reachabilityRef, reachabilitySerialQueue) { |
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stopNotifier() |
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throw ReachabilityError.unableToSetDispatchQueue(SCError()) |
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} |
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// Perform an initial check |
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try setReachabilityFlags() |
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notifierRunning = true |
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} |
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func stopNotifier() { |
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defer { notifierRunning = false } |
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SCNetworkReachabilitySetCallback(reachabilityRef, nil, nil) |
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SCNetworkReachabilitySetDispatchQueue(reachabilityRef, nil) |
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} |
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// MARK: - *** Connection test methods *** |
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@available(*, deprecated, message: "Please use `connection != .none`") |
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var isReachable: Bool { |
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return connection != .unavailable |
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} |
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|
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@available(*, deprecated, message: "Please use `connection == .cellular`") |
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var isReachableViaWWAN: Bool { |
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// Check we're not on the simulator, we're REACHABLE and check we're on WWAN |
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return connection == .cellular |
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} |
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|
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@available(*, deprecated, message: "Please use `connection == .wifi`") |
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var isReachableViaWiFi: Bool { |
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return connection == .wifi |
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} |
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|
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var description: String { |
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return flags?.description ?? "unavailable flags" |
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} |
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} |
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|
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fileprivate extension Reachability { |
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|
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func setReachabilityFlags() throws { |
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try reachabilitySerialQueue.sync { [unowned self] in |
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var flags = SCNetworkReachabilityFlags() |
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if !SCNetworkReachabilityGetFlags(self.reachabilityRef, &flags) { |
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self.stopNotifier() |
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throw ReachabilityError.unableToGetFlags(SCError()) |
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} |
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|
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self.flags = flags |
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} |
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} |
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|
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|
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func notifyReachabilityChanged() { |
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let notify = { [weak self] in |
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guard let self = self else { return } |
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self.connection != .unavailable ? self.whenReachable?(self) : self.whenUnreachable?(self) |
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self.notificationCenter.post(name: .reachabilityChanged, object: self) |
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} |
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|
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// notify on the configured `notificationQueue`, or the caller's (i.e. `reachabilitySerialQueue`) |
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notificationQueue?.async(execute: notify) ?? notify() |
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} |
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} |
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|
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extension SCNetworkReachabilityFlags { |
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|
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typealias Connection = Reachability.Connection |
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|
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var connection: Connection { |
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guard isReachableFlagSet else { return .unavailable } |
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|
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// If we're reachable, but not on an iOS device (i.e. simulator), we must be on WiFi |
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#if targetEnvironment(simulator) |
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return .wifi |
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#else |
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var connection = Connection.unavailable |
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|
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if !isConnectionRequiredFlagSet { |
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connection = .wifi |
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} |
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|
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if isConnectionOnTrafficOrDemandFlagSet { |
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if !isInterventionRequiredFlagSet { |
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connection = .wifi |
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} |
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} |
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|
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if isOnWWANFlagSet { |
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connection = .cellular |
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} |
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|
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return connection |
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#endif |
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} |
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|
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var isOnWWANFlagSet: Bool { |
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#if os(iOS) |
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return contains(.isWWAN) |
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#else |
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return false |
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#endif |
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} |
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var isReachableFlagSet: Bool { |
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return contains(.reachable) |
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} |
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var isConnectionRequiredFlagSet: Bool { |
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return contains(.connectionRequired) |
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} |
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var isInterventionRequiredFlagSet: Bool { |
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return contains(.interventionRequired) |
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} |
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var isConnectionOnTrafficFlagSet: Bool { |
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return contains(.connectionOnTraffic) |
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} |
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var isConnectionOnDemandFlagSet: Bool { |
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return contains(.connectionOnDemand) |
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} |
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var isConnectionOnTrafficOrDemandFlagSet: Bool { |
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return !intersection([.connectionOnTraffic, .connectionOnDemand]).isEmpty |
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} |
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var isTransientConnectionFlagSet: Bool { |
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return contains(.transientConnection) |
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} |
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var isLocalAddressFlagSet: Bool { |
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return contains(.isLocalAddress) |
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} |
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var isDirectFlagSet: Bool { |
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return contains(.isDirect) |
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} |
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var isConnectionRequiredAndTransientFlagSet: Bool { |
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return intersection([.connectionRequired, .transientConnection]) == [.connectionRequired, .transientConnection] |
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} |
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|
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var description: String { |
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let W = isOnWWANFlagSet ? "W" : "-" |
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let R = isReachableFlagSet ? "R" : "-" |
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let c = isConnectionRequiredFlagSet ? "c" : "-" |
||||
let t = isTransientConnectionFlagSet ? "t" : "-" |
||||
let i = isInterventionRequiredFlagSet ? "i" : "-" |
||||
let C = isConnectionOnTrafficFlagSet ? "C" : "-" |
||||
let D = isConnectionOnDemandFlagSet ? "D" : "-" |
||||
let l = isLocalAddressFlagSet ? "l" : "-" |
||||
let d = isDirectFlagSet ? "d" : "-" |
||||
|
||||
return "\(W)\(R) \(c)\(t)\(i)\(C)\(D)\(l)\(d)" |
||||
} |
||||
} |
||||
|
||||
/** |
||||
`ReachabilityWeakifier` weakly wraps the `Reachability` class |
||||
in order to break retain cycles when interacting with CoreFoundation. |
||||
|
||||
CoreFoundation callbacks expect a pair of retain/release whenever an |
||||
opaque `info` parameter is provided. These callbacks exist to guard |
||||
against memory management race conditions when invoking the callbacks. |
||||
|
||||
#### Race Condition |
||||
|
||||
If we passed `SCNetworkReachabilitySetCallback` a direct reference to our |
||||
`Reachability` class without also providing corresponding retain/release |
||||
callbacks, then a race condition can lead to crashes when: |
||||
- `Reachability` is deallocated on thread X |
||||
- A `SCNetworkReachability` callback(s) is already in flight on thread Y |
||||
|
||||
#### Retain Cycle |
||||
|
||||
If we pass `Reachability` to CoreFoundtion while also providing retain/ |
||||
release callbacks, we would create a retain cycle once CoreFoundation |
||||
retains our `Reachability` class. This fixes the crashes and his how |
||||
CoreFoundation expects the API to be used, but doesn't play nicely with |
||||
Swift/ARC. This cycle would only be broken after manually calling |
||||
`stopNotifier()` — `deinit` would never be called. |
||||
|
||||
#### ReachabilityWeakifier |
||||
|
||||
By providing both retain/release callbacks and wrapping `Reachability` in |
||||
a weak wrapper, we: |
||||
- interact correctly with CoreFoundation, thereby avoiding a crash. |
||||
See "Memory Management Programming Guide for Core Foundation". |
||||
- don't alter the public API of `Reachability.swift` in any way |
||||
- still allow for automatic stopping of the notifier on `deinit`. |
||||
*/ |
||||
private class ReachabilityWeakifier { |
||||
weak var reachability: Reachability? |
||||
init(reachability: Reachability) { |
||||
self.reachability = reachability |
||||
} |
||||
} |
||||
Loading…
Reference in new issue