Sha256: e3d957d72d91a3a1de71209ec401f7f761e40df8b157d910127df549d281266d
Contents?: true
Size: 1.39 KB
Versions: 9
Compression:
Stored size: 1.39 KB
Contents
module Net
class Reachability
def initialize(hostname, &block)
@internal_callback = Proc.new do |target, flags, pointer|
block.call(reachable_with_flags?(flags))
end
block.weak!
@reachability = SCNetworkReachabilityCreateWithName(KCFAllocatorDefault,
hostname.UTF8String)
start_tracking_network
end
def stop
SCNetworkReachabilityUnscheduleFromRunLoop(@reachability,
CFRunLoopGetCurrent(),
KCFRunLoopDefaultMode)
SCNetworkReachabilitySetCallback(@reachability, nil, @context)
end
protected
def reachable_with_flags?(flags)
return false unless flags
if (flags & KSCNetworkReachabilityFlagsReachable) == 0
return false
end
true
end
def start_tracking_network
@context = Pointer.new(SCNetworkReachabilityContext.type)
if SCNetworkReachabilitySetCallback(@reachability, @internal_callback,
@context)
if SCNetworkReachabilityScheduleWithRunLoop(@reachability,
CFRunLoopGetCurrent(),
KCFRunLoopDefaultMode)
return true
end
end
false
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems