[英]MQTTnet client can't connect server certificate
我正在使用MQTTnet库连接到需要服务器证书的MQTT服务器。 不需要客户端。
我已经在我的PC中安装了证书,就像我在其他帖子中找到并创建.pfx文件来创建证书但该程序没有给我任何错误..它只是没有连接到主题。
这是我的示例代码
//Create a new MQTT client
var factory = new MqttFactory();
var mqttClient = factory.CreateMqttClient();
var caCert = new X509Certificate(@"C:\caserverroot.pfx", "mypsw");
var url = "mymqtt.com";
var username = "user";
var psw = "user";
var port = 8885;
var options = new MqttClientOptionsBuilder()
.WithClientId(Guid.NewGuid().ToString())
.WithTcpServer(url, port)
.WithCredentials(username, psw)
.WithTls(new MqttClientOptionsBuilderTlsParameters()
{
AllowUntrustedCertificates = true,
UseTls = true,
Certificates = new List<byte[]> { new X509Certificate2(caCert).Export(X509ContentType.Cert) },
CertificateValidationCallback = delegate { return true; },
IgnoreCertificateChainErrors = false,
IgnoreCertificateRevocationErrors = false
})
.WithCleanSession()
.WithProtocolVersion(MQTTnet.Serializer.MqttProtocolVersion.V311)
.Build();
// Connecting
var result = await mqttClient.ConnectAsync(options);
//订阅主题
mqttClient.Connected += async (s, e) =>
{
Console.WriteLine("### CONNECTED WITH SERVER ###");
await mqttClient.SubscribeAsync(new TopicFilterBuilder().WithTopic("/mytopic").Build());
Console.WriteLine("### SUBSCRIBED ###");
};
我在这里找到了所有其他事件: https : //github.com/chkr1011/MQTTnet/wiki/Client
你们有没有关于这个图书馆的经验? 如何调试并找到错误?
谢谢
所以,我不知道为什么我错了,但使用ManagedMqttClient保存了我的情况。
这是一个像魅力一样的代码
//Create a new MQTT client
var mqttClient = new MqttFactory().CreateManagedMqttClient();
var caCert = new X509Certificate(@"C:\cert.pfx", "psw");
var url = "myurl.com";
var username = "user";
var psw = "user";
var port = 8885;
var options = new ManagedMqttClientOptionsBuilder()
.WithAutoReconnectDelay(TimeSpan.FromSeconds(30))
.WithClientOptions(new MqttClientOptionsBuilder()
.WithClientId(Guid.NewGuid().ToString())
.WithTcpServer(url, port)
.WithCredentials(username, psw)
.WithTls(new MqttClientOptionsBuilderTlsParameters()
{
AllowUntrustedCertificates = false,
UseTls = true,
Certificates = new List<byte[]> { new X509Certificate2(caCert).Export(X509ContentType.Cert) },
CertificateValidationCallback = delegate { return true; },
IgnoreCertificateChainErrors = false,
IgnoreCertificateRevocationErrors = false
})
.WithCleanSession()
.WithProtocolVersion(MQTTnet.Serializer.MqttProtocolVersion.V311)
.Build())
.Build();
// Connecting
await mqttClient.SubscribeAsync(new TopicFilterBuilder().WithTopic("$share:mygroup:/mytopic").Build());
await mqttClient.StartAsync(options);
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