[尝试通过具有“网络框架”(Swift)的IMAP协议与Google邮件服务器建立TCP连接,但出现错误。我从this(wwdc2018)视频中获得了代码。
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
let connection = NWConnection(host: "imap.google.com", port: .imaps, using: .tls)
let myQueue = DispatchQueue(label: "test")
connection.stateUpdateHandler = { (newState) in
switch (newState) {
case .waiting(let error):
print("ERROR - \(error)")
case .preparing:
print("I am HERE")
case .ready:
print("HELLO")
case .failed(let error):
print("ERROR + \(error)")
default:
break
}
}
connection.start(queue: myQueue)
return true
}
我的控制台显示:
我在这里
错误--65554:NoSuchRecord
UDPATED:感谢@arnt,我记得主机必须是“ imap.gmail.com”,现在可以正常使用!
主要目标是通过带有“网络框架”的IMAP协议与Google邮件服务器建立TCP连接,但在目标C上。
我自己尝试过,成功了! =)
const char *hostname = "imap.gmail.com";
const char *port = "imaps";
nw_parameters_t parameters = nw_parameters_create_secure_tcp(NW_PARAMETERS_DEFAULT_CONFIGURATION, NW_PARAMETERS_DEFAULT_CONFIGURATION);
nw_endpoint_t endpoint = nw_endpoint_create_host(hostname, port);
nw_connection_t connection = nw_connection_create(endpoint, parameters);
nw_connection_set_queue(connection, dispatch_get_main_queue());
nw_connection_set_state_changed_handler(connection, ^(nw_connection_state_t state, nw_error_t error) {
switch (state) {
case nw_connection_state_waiting:
NSLog(@"waiting");
break;
case nw_connection_state_failed:
NSLog(@"failed");
break;
case nw_connection_state_ready:
NSLog(@"connection is ready");
break;
case nw_connection_state_cancelled:
NSLog(@"connection is cancelled");
break;
default:
break;
}
});
nw_connection_start(connection);