DartVMServiceDNSServiceDelegate Class Reference

Inheritance diagram for DartVMServiceDNSServiceDelegate:

Instance Methods
(void)	- stopService [implementation]
(void)	- publishServiceProtocolPort: [implementation]

Class Methods
(static void DNSSD_API)	+ RegistrationCallback [implementation]

Detailed Description

Definition at line 65 of file FlutterDartVMServicePublisher.mm.

Method Documentation

publishServiceProtocolPort:

- (void) publishServiceProtocolPort: (NSURL*)  url

implementation

Reimplemented from <FlutterDartVMServicePublisherDelegate>.

Definition at line 61 of file FlutterDartVMServicePublisher.mm.

                                  :(NSURL*)url {
  // TODO(vashworth): Remove once done debugging https://github.com/flutter/flutter/issues/129836
  FML_LOG(INFO) << "Publish Service Protocol Port";
  DNSServiceFlags flags = kDNSServiceFlagsDefault;
#if TARGET_IPHONE_SIMULATOR
  // Simulator needs to use local loopback explicitly to work.
  uint32_t interfaceIndex = if_nametoindex("lo0");
#else   // TARGET_IPHONE_SIMULATOR
  // Physical devices need to request all interfaces.
  uint32_t interfaceIndex = 0;
#endif  // TARGET_IPHONE_SIMULATOR
  const char* registrationType = "_dartVmService._tcp";
 
  const char* domain = "local.";  // default domain
  uint16_t port = [[url port] unsignedShortValue];
 
  NSData* txtData = [FlutterDartVMServicePublisher createTxtData:url];
  int err = DNSServiceRegister(&_dnsServiceRef, flags, interfaceIndex,
                               FlutterDartVMServicePublisher.serviceName.UTF8String,
                               registrationType, domain, NULL, htons(port), txtData.length,
                               txtData.bytes, RegistrationCallback, NULL);
 
  if (err == 0) {
    DNSServiceSetDispatchQueue(_dnsServiceRef, dispatch_get_main_queue());
    return;
  }
 
  FML_LOG(ERROR) << "Failed to register Dart VM Service port with mDNS with error " << err << ".";
  if (@available(iOS 14.0, *)) {
    FML_LOG(ERROR) << "On iOS 14+, local network broadcast in apps need to be declared in "
                   << "the app's Info.plist. Debug and profile Flutter apps and modules host "
                   << "VM services on the local network to support debugging features such "
                   << "as hot reload and DevTools. To make your Flutter app or module "
                   << "attachable and debuggable, add a '" << registrationType << "' value "
                   << "to the 'NSBonjourServices' key in your Info.plist for the Debug/"
                   << "Profile configurations. " << "For more information, see "
                   << "https://flutter.dev/docs/development/add-to-app/ios/"
                      "project-setup#local-network-privacy-permissions";
  }
}

RegistrationCallback

+ (static void DNSSD_API) RegistrationCallback (DNSServiceRef)  sdRef (DNSServiceFlags)  flags (DNSServiceErrorType)  errorCode (const char *)  name (const char *)  regType (const char *)  domain (void *)  context

implementation

Definition at line 120 of file FlutterDartVMServicePublisher.mm.

                                                          {
  if (errorCode == kDNSServiceErr_NoError) {
    FML_DLOG(INFO) << "FlutterDartVMServicePublisher is ready!";
  } else if (errorCode == kDNSServiceErr_PolicyDenied) {
    FML_LOG(ERROR)
        << "Could not register as server for FlutterDartVMServicePublisher, permission "
        << "denied. Check your 'Local Network' permissions for this app in the Privacy section of "
        << "the system Settings.";
  } else {
    FML_LOG(ERROR) << "Could not register as server for FlutterDartVMServicePublisher. Check your "
                      "network settings and relaunch the application.";
  }
}

stopService

- (void) stopService

implementation

Reimplemented from <FlutterDartVMServicePublisherDelegate>.

Definition at line 61 of file FlutterDartVMServicePublisher.mm.

                    {
  if (_dnsServiceRef) {
    DNSServiceRefDeallocate(_dnsServiceRef);
    _dnsServiceRef = NULL;
  }
}

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The documentation for this class was generated from the following file:

• shell/platform/darwin/ios/framework/Source/FlutterDartVMServicePublisher.mm