我正在尝试将我的VPN配置保存到已经有效的首选项(我可以连接到我的VPN)。但由于某些原因,每次我再次运行代码而不是使用最后一个配置时,它会创建一个新的代码。所以,我最终得到了一堆配置。
这是我目前的代码,如果有人能让我知道它会出现什么问题,这将是非常棒的。谢谢!
// Initialize Manager
NETunnelProviderManager *manager = [[NETunnelProviderManager alloc] init];
[manager loadFromPreferencesWithCompletionHandler:^(NSError *error) {
if (error) {
NSLog(@"Load Error: %@", error.description);
} else {
// Create the protocol object
NETunnelProviderProtocol *protocol = [[NETunnelProviderProtocol alloc] init]; // Create the protocol object
// Configure the protocol object
protocol.providerBundleIdentifier = @"com.nfisc.testvpn.ptp"; // Bundle ID of tunnel provider
protocol.providerConfiguration = @{}; // Currently blank, but will be used later
protocol.serverAddress = @"0.0.0.0"; // Ommited for security reasons
protocol.username = @"username"; // The username for the configuration
protocol.identityDataPassword = @"password"; // The password for the configuration
protocol.disconnectOnSleep = NO;
// Configure the manager with the protocol
manager.protocolConfiguration = protocol;
manager.enabled = true;
[manager saveToPreferencesWithCompletionHandler:^(NSError *error) {
if (error) {
NSLog(@"Save Error: %@", error.description);
} else {
if ([[manager connection] status] != NEVPNStatusConnected) {
NSLog(@"Starting VPN");
[self start:manager];
} else {
NSLog(@"VPN Already Connected");
[_statusLabel setText:@"Connected"];
[_statusLabel setTextColor:[UIColor greenColor]];
}
}
}];
}
}];
答案 0 :(得分:6)
改为使用 + (void)loadAllFromPreferencesWithCompletionHandler:(void (^)(NSArray<NEAppProxyProviderManager *> *managers, NSError *error))completionHandler
API。
仅当块中的managers.count == 0时才创建新协议。
[NETunnelProviderManager loadAllFromPreferencesWithCompletionHandler:^(NSArray<NETunnelProviderManager *> * _Nullable managers, NSError * _Nullable error) {
if (error) {
NSLog(@"Load Error: %@", error.description);
}
NETunnelProviderManager *manager;
if (managers.count > 0) {
manager = managers[0];
}else {
manager = [[NETunnelProviderManager alloc] init];
manager.protocolConfiguration = [[NETunnelProviderProtocol alloc] init];
}
//... your code here...
}];
答案 1 :(得分:1)
解决方案是首先调用[NETunnelProviderManager loadAllFromPreferencesWithCompletionHandler:
,然后完成剩下的工作。
固定代码:
__block NETunnelProviderManager *manager = [[NETunnelProviderManager alloc] init];
NETunnelProviderProtocol *protocol = [[NETunnelProviderProtocol alloc] init];
protocol.providerBundleIdentifier = @"com.nfisc.testvpn.ptp"; // bundle ID of tunnel provider
protocol.providerConfiguration = @{@"key": @"value"};
protocol.serverAddress = @"0.0.0.0"; // VPN server address
protocol.username = @"username";
protocol.identityDataPassword = @"password";
manager.protocolConfiguration = protocol;
manager.enabled = true;
[NETunnelProviderManager loadAllFromPreferencesWithCompletionHandler:^(NSArray<NETunnelProviderManager *> * _Nullable managers, NSError * _Nullable error) {
if ([managers count] > 0) {
manager = [managers objectAtIndex:0];
[self start:manager];
} else {
[manager saveToPreferencesWithCompletionHandler:^(NSError *error) {
if (error) {
NSLog(@"Error 1: %@", error.description);
} else {
[manager loadFromPreferencesWithCompletionHandler:^(NSError * _Nullable error) {
if (error) {
NSLog(@"Error 2: %@", error.description);
} else {
[self start:manager];
}
}];
}
}];
}
}