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-rw-r--r--src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h4
-rw-r--r--src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m9
2 files changed, 7 insertions, 6 deletions
diff --git a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h
index be58138c78..e341b6ef6c 100644
--- a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h
+++ b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.h
@@ -72,6 +72,6 @@
* Only one handler is active at a time, so if this method is called again before the previous
* handler has been called, it might never be called at all (or yes, if it has already been queued).
*/
-- (void)handleLossWithHandler:(void (^)())lossHandler
- wifiStatusChangeHandler:(void (^)())wifiStatusChangeHandler;
+- (void)handleLossWithHandler:(nullable void (^)())lossHandler
+ wifiStatusChangeHandler:(nullable void (^)())wifiStatusChangeHandler;
@end
diff --git a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
index c6f6b39b61..40afca2d3d 100644
--- a/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
+++ b/src/objective-c/GRPCClient/private/GRPCConnectivityMonitor.m
@@ -151,15 +151,16 @@ static void PassFlagsToContextInfoBlock(SCNetworkReachabilityRef target,
return returnValue;
}
-- (void)handleLossWithHandler:(void (^)())lossHandler
- wifiStatusChangeHandler:(void (^)())wifiStatusChangeHandler {
+- (void)handleLossWithHandler:(nullable void (^)())lossHandler
+ wifiStatusChangeHandler:(nullable void (^)())wifiStatusChangeHandler {
__weak typeof(self) weakSelf = self;
[self startListeningWithHandler:^(GRPCReachabilityFlags *flags) {
typeof(self) strongSelf = weakSelf;
if (strongSelf) {
- if (!flags.reachable) {
+ if (lossHandler && !flags.reachable) {
lossHandler();
- } else if (strongSelf->_previousReachabilityFlags &&
+ } else if (wifiStatusChangeHandler &&
+ strongSelf->_previousReachabilityFlags &&
(flags.isWWAN ^
strongSelf->_previousReachabilityFlags.isWWAN)) {
wifiStatusChangeHandler();