-
Notifications
You must be signed in to change notification settings - Fork 25
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
I've tested the ARTOSReachability "live" manually (by switching on/off the real Internet connection on my machine) and it works as expected, but it needs #385 to properly handle transport errors.
- Loading branch information
Showing
10 changed files
with
330 additions
and
79 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| // | ||
| // ARTOSReachability.h | ||
| // Ably | ||
| // | ||
| // Created by Toni Cárdenas on 2/5/16. | ||
| // Copyright © 2016 Ably. All rights reserved. | ||
| // | ||
|
|
||
| #ifndef ARTOSReachability_h | ||
| #define ARTOSReachability_h | ||
|
|
||
| #import "ARTReachability.h" | ||
|
|
||
| @interface ARTOSReachability : NSObject <ARTReachability> | ||
| @end | ||
|
|
||
| #endif /* ARTOSReachability_h */ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // | ||
| // ARTReachability.m | ||
| // Ably | ||
| // | ||
| // Created by Toni Cárdenas on 2/5/16. | ||
| // Copyright © 2016 Ably. All rights reserved. | ||
| // | ||
|
|
||
| #import <arpa/inet.h> | ||
| #import <ifaddrs.h> | ||
| #import <netdb.h> | ||
| #import <sys/socket.h> | ||
| #import <CoreFoundation/CoreFoundation.h> | ||
| #import <SystemConfiguration/SystemConfiguration.h> | ||
| #import <netinet/in.h> | ||
|
|
||
| #import "ARTOSReachability.h" | ||
|
|
||
| @implementation ARTOSReachability { | ||
| ARTLog *_logger; | ||
| NSString *_host; | ||
| void (^_callback)(BOOL); | ||
| SCNetworkReachabilityRef _reachabilityRef; | ||
| NSMutableDictionary *_instances; | ||
| } | ||
|
|
||
| - (instancetype)initWithLogger:(ARTLog *)logger { | ||
| self = [super self]; | ||
| if (self) { | ||
| _logger = logger; | ||
| if (ARTOSReachability_instances == nil) { | ||
| _instances = [[NSMutableDictionary alloc] init]; | ||
| ARTOSReachability_instances = _instances; | ||
| } else { | ||
| _instances = ARTOSReachability_instances; | ||
| } | ||
| } | ||
| return self; | ||
| } | ||
|
|
||
| __weak NSMutableDictionary *ARTOSReachability_instances; | ||
|
|
||
| static void ARTOSReachability_Callback(SCNetworkReachabilityRef target, SCNetworkReachabilityFlags flags, void* info) { | ||
| [(ARTOSReachability *)ARTOSReachability_instances[[NSValue valueWithPointer:target]] internalCallback:flags & kSCNetworkReachabilityFlagsReachable]; | ||
| } | ||
|
|
||
| - (void)listenForHost:(NSString *)host callback:(void (^)(BOOL))callback { | ||
| [self off]; | ||
| _host = host; | ||
| _callback = callback; | ||
|
|
||
| _reachabilityRef = SCNetworkReachabilityCreateWithName(NULL, [host UTF8String]); | ||
| SCNetworkReachabilityContext context = {0, (__bridge void *)(self), NULL, NULL, NULL}; | ||
|
|
||
| if (SCNetworkReachabilitySetCallback(_reachabilityRef, ARTOSReachability_Callback, &context)) { | ||
| [ARTOSReachability_instances setObject:self forKey:[NSValue valueWithPointer:_reachabilityRef]]; | ||
| if (SCNetworkReachabilityScheduleWithRunLoop(_reachabilityRef, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode)) { | ||
| [_logger info:@"Reachability: started listening for host %@", _host]; | ||
| } else { | ||
| [_logger warn:@"Reachability: failed starting listener for host %@", _host]; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| - (void)off { | ||
| if (_reachabilityRef != NULL) { | ||
| [ARTOSReachability_instances removeObjectForKey:[NSValue valueWithPointer:_reachabilityRef]]; | ||
| SCNetworkReachabilityUnscheduleFromRunLoop(_reachabilityRef, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode); | ||
| [_logger info:@"Reachability: stopped listening for host %@", _host]; | ||
| } | ||
| _callback = nil; | ||
| _host = nil; | ||
| } | ||
|
|
||
| - (void)internalCallback:(BOOL)reachable { | ||
| [_logger info:@"Reachability: host %@: %d", _host, reachable]; | ||
| _callback(reachable); | ||
| } | ||
|
|
||
| - (void)dealloc { | ||
| [self off]; | ||
| if (_reachabilityRef != NULL) { | ||
| CFRelease(_reachabilityRef); | ||
| } | ||
| } | ||
|
|
||
| @end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| // | ||
| // ARTReachability.h | ||
| // Ably | ||
| // | ||
| // Created by Toni Cárdenas on 2/5/16. | ||
| // Copyright © 2016 Ably. All rights reserved. | ||
| // | ||
|
|
||
| #ifndef ARTReachability_h | ||
| #define ARTReachability_h | ||
|
|
||
| #import "CompatibilityMacros.h" | ||
| #import "ARTLog.h" | ||
|
|
||
| ART_ASSUME_NONNULL_BEGIN | ||
|
|
||
| @protocol ARTReachability <NSObject> | ||
|
|
||
| - (instancetype)initWithLogger:(ARTLog *)logger; | ||
|
|
||
| - (void)listenForHost:(NSString *)host callback:(void (^)(BOOL))callback; | ||
| - (void)off; | ||
|
|
||
| @end | ||
|
|
||
| ART_ASSUME_NONNULL_END | ||
|
|
||
| #endif /* ARTReachability_h */ |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.