Re: How to get AirPort Connection Status
Re: How to get AirPort Connection Status
- Subject: Re: How to get AirPort Connection Status
- From: "Rashmi Vyshnavi" <email@hidden>
- Date: Thu, 2 Oct 2008 16:25:38 +0530
Thanks for the help..
On Fri, Sep 19, 2008 at 2:15 AM, Bob Clark <email@hidden> wrote:
> I found this page to be helpful:
>
> http://developer.apple.com/qa/qa2001/qa1133.html
>
> It's about the currently-logged in user, but the MyNotificationProc
> callback is called for a lot of changes, including IIRC the network
> connection transitions.
>
> In the callback function you can do something like this:
>
> NSArray* arr = (NSArray*)changedKeys;
> NSLog(@"changed keys %@", [arr description]);
>
> to sort of figure out what kinds of information you're getting.
>
> --Bob
>
>
> --
> Bob Clark
> Lead Software Development Engineer
> RealPlayer Mac/Unix
> RealNetworks, Inc.
>
>
>
> On Sep 17, 2008, at 9:50 PM, Rashmi Vyshnavi wrote:
>
> I want to know when my computer connects/disconnects to WiFi/AirPort
>> network.
>> Is there a way to get the status of connection to a WiFi network. I tried
>> using System Configuration API,but I could not get the status. Here is the
>> snippet
>> --
>> static void MyNetworkConnectionCallBack(SCNetworkConnectionRef
>> connection,SCNetworkConnectionStatus stat,void *info)
>> {
>> printf("Call back called \n");
>> SCNetworkConnectionStatus status =
>> SCNetworkConnectionGetStatus(connection);
>> switch(status) {
>> case kSCNetworkConnectionInvalid:
>> printf("Connection invalid\n");
>> break;
>> case kSCNetworkConnectionDisconnected:
>> printf("Connection disconnected\n");
>> break;
>> case kSCNetworkConnectionConnecting:
>> printf("Connection connecting\n");
>> break;
>> case kSCNetworkConnectionConnected:
>> printf("Connection connected\n");
>> break;
>> case kSCNetworkConnectionDisconnecting:
>> printf("Connection disconnecting\n");
>> break;
>> }
>>
>> }
>>
>> int main (int argc, const char * argv[]) {
>> CFDictionaryRef userOptions;
>> bool scResult;
>> SCNetworkConnectionContext scncctx = {0, NULL, NULL, NULL, NULL};
>>
>> CFStringRef currentServiceId;
>>
>> scResult = SCNetworkConnectionCopyUserPreferences(NULL, ¤tServiceId,
>> &userOptions);
>>
>>
>> SCNetworkConnectionRef connection = nil;
>> connection = SCNetworkConnectionCreateWithServiceID (NULL,
>> currentServiceId,
>> MyNetworkConnectionCallBack, &scncctx );
>> SCNetworkConnectionStatus status =
>> SCNetworkConnectionGetStatus(connection);
>> if(status == kSCNetworkConnectionConnected)
>> printf("connected \n");
>> else
>> printf("current status :%d\n", status);
>>
>>
>> SCNetworkConnectionScheduleWithRunLoop(connection,CFRunLoopGetCurrent(),kCFRunLoopDefaultMode);
>>
>>
>>
>> CFRunLoopRun();
>>
>> return 0;
>> }
>> --
>> Am able to get connection status if I connect to a modem, but it fails
>> when
>> connected
>> to a WiFi/AirPort network.
>>
>> Thanks,
>> Rashmi
>> _______________________________________________
>>
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>
>
>
--
Rashmi Vyshnavi
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