private void MqttClient_RcvDataEvent(byte[] data)
{
try
{
switch (data[0])
{
case 0x00:
byte[] Devid = data.SubArray(1, 16);
byte[] Commid = data.SubArray(17, 4);
string pwd = data.SubArray(22, data[21]).ToASCIIString();
MClient mc = Clients.GetOrAdd(Devid.ToHexString(), (k) =>
{
MClient m = new MClient();
m.Devid = Devid;
byte[] commid = Utils.RandomBytes(4);
if (Commids.ContainsKey(commid.ToHexString()))
{
commid = Utils.RandomBytes(4);
}
Commids.TryAdd(commid.ToHexString(), Devid.ToHexString());
m.Commid = commid;
if (string.IsNullOrEmpty(pwd))
{
pwd = Utils.RandomPassword();
}
m.Password = pwd;
return(m);
});
mc.LastRcvTime = DateTime.Now;
if (!string.IsNullOrEmpty(pwd) && pwd != mc.Password)
{
mc.Password = pwd;
}
MqttClient.Request(Devid.ToHexString(), Package_0x00(mc.Commid, mc.Password));
break;
case 0x01:
string commidx = data.SubArray(5, 4).ToHexString();
if (Commids.TryGetValue(commidx, out string dev) && Clients.TryGetValue(dev, out MClient mx) && (DateTime.Now - mx.LastRcvTime).TotalSeconds < 5)
{
MqttClient.Request(data.SubArray(1, 4).GetInt().ToString(), Package_0x01(0));
}
else
{
MqttClient.Request(data.SubArray(1, 4).GetInt().ToString(), Package_0x01(1));
}
break;
}
}
catch (Exception ex) { Console.WriteLine(ex.Message + "******" + ex.StackTrace); }
}
public void Start()
{
IsRunning = true;
Console.WriteLine("*************服务器开始启动");
try
{
X509Certificate CaCert = X509Certificate.CreateFromCertFile(CaCertPath); //注意证书文件不存在会导致相关Man初始化失败
MqttClient = new MQTTMan(ClientEui.ToHexString(), ServerEui, ServerIP, int.Parse(ServerPort), CaCert, MqttSslProtocols.TLSv1_2);
MqttClient.Start();
MqttClient.RcvDataEvent += MqttClient_RcvDataEvent;
Task.Run(() =>
{
while (IsRunning)
{
try
{
MqttClient?.Request(Package_0x00());
Thread.Sleep(1000);
}
catch { }
}
});
Task.Run(() =>
{
while (IsRunning)
{
try
{
if (Status == 1 && IsSession)
{
MqttClient?.Request(OtherCommidStr, Package_0x02(GetImage()));
}
Thread.Sleep(100);
}
catch { }
}
});
}
catch (Exception ex) { Console.WriteLine(ex + " ca:" + CaCertPath); }
Console.WriteLine("*************服务器启动完成");
}