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Bug 521071 - Geolocation Crashes Fennec - GetAccessPointsFromWLAN objc_exception_throw. r=mstange

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--HG--
extra : rebase_source : 952ba9f885290546ffe5a1729809aa63d44b7e6d
This commit is contained in:
Doug Turner 2009-10-08 21:19:55 -07:00
parent 09b680d58d
commit c332159f3d
1 changed files with 33 additions and 44 deletions
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77
netwerk/wifi/src/osx_corewlan.mm
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@ -62,54 +62,43 @@ GetAccessPointsFromWLAN(nsCOMArray<nsWifiAccessPoint> &accessPoints)
if (!UsingSnowLeopard())
return NS_ERROR_NOT_AVAILABLE;
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
void *corewlan_library = dlopen("/System/Library/Frameworks/CoreWLAN.framework/CoreWLAN",
RTLD_LAZY);
if (!corewlan_library)
return NS_ERROR_NOT_AVAILABLE;
accessPoints.Clear();
id anObject;
NSError *err = nil;
NSDictionary *params = nil;
// We do this the hard way because we want to be able to run on pre-10.6. When we drop
// this requirement, this objective-c magic goes away.
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
@try {
// dynamically call: [CWInterface interface];
Class CWI_class = objc_getClass("CWInterface");
if (!CWI_class) {
dlclose(corewlan_library);
NSBundle * bundle = [[NSBundle alloc] initWithPath:@"/System/Library/Frameworks/CoreWLAN.framework"];
if (!bundle)
return NS_ERROR_NOT_AVAILABLE;
Class CWI_class = [bundle classNamed:@"CWInterface"];
if (!CWI_class)
return NS_ERROR_NOT_AVAILABLE;
NSDictionary *params = nil;
NSError *err = nil;
id scanResult = [[CWI_class interface] scanForNetworksWithParameters: params error: err];
if (!scanResult)
return NS_ERROR_NOT_AVAILABLE;
NSArray* scan = [NSMutableArray arrayWithArray:scanResult];
NSEnumerator *enumerator = [scan objectEnumerator];
while (id anObject = [enumerator nextObject]) {
nsWifiAccessPoint* ap = new nsWifiAccessPoint();
if (!ap)
return NS_ERROR_OUT_OF_MEMORY;
NSData* data = [anObject bssidData];
ap->setMac((unsigned char*)[data bytes]);
ap->setSignal([[anObject rssi] intValue]);
ap->setSSID([[anObject ssid] UTF8String], 32);
accessPoints.AppendObject(ap);
}
}
@catch(NSException *_exn) {
return NS_ERROR_NOT_AVAILABLE;
}
SEL interfaceSel = sel_registerName("interface");
id interface = objc_msgSend(CWI_class, interfaceSel);
// call [interface scanForNetworksWithParameters:params err:&err]
SEL scanSel = sel_registerName("scanForNetworksWithParameters:error:");
id scanResult = objc_msgSend(interface, scanSel, params, err);
NSArray* scan = [NSMutableArray arrayWithArray:scanResult];
NSEnumerator *enumerator = [scan objectEnumerator];
while (anObject = [enumerator nextObject]) {
nsWifiAccessPoint* ap = new nsWifiAccessPoint();
if (!ap)
continue;
NSData* data = [anObject bssidData];
ap->setMac((unsigned char*)[data bytes]);
ap->setSignal([[anObject rssi] intValue]);
ap->setSSID([[anObject ssid] UTF8String], 32);
accessPoints.AppendObject(ap);
}
dlclose(corewlan_library);
return NS_OK;
}