private void ConnectCB(IAsyncResult rez)
{
var _tcp = rez.AsyncState as TcpClient;
try {
_tcp.EndConnect(rez);
_stream = new MqStreamer(_tcp, Received, SendIdle);
var id = string.Format("{0}_{1:X4}", Environment.MachineName, System.Diagnostics.Process.GetCurrentProcess().Id);
var ConnInfo = new MqConnect();
ConnInfo.keepAlive = (ushort)(KEEP_ALIVE / 900);
ConnInfo.cleanSession = true;
ConnInfo.clientId = id;
if (_uName != null)
{
ConnInfo.userName = _uName;
if (_uPass != null)
{
ConnInfo.userPassword = _uPass;
}
}
this.Send(ConnInfo);
_tOut.Change(3000, KEEP_ALIVE); // better often than never
}
catch (Exception ex) {
var se = ex as SocketException;
if (se != null && (se.SocketErrorCode == SocketError.ConnectionRefused || se.SocketErrorCode == SocketError.TryAgain || se.SocketErrorCode == SocketError.TimedOut))
{
status = Status.Disconnected;
_tOut.Change((new Random()).Next(KEEP_ALIVE * 3, KEEP_ALIVE * 6), Timeout.Infinite);
}
else
{
status = Status.NotAccepted;
_tOut.Change(Timeout.Infinite, Timeout.Infinite);
}
Log.Warning("{0} Connection FAILED - {1}", this.Signature, ex.Message);
}
}
public void Stop() {
if(_stream!=null) {
if(_connected) {
_connected=false;
_owner.Unsubscribe("/#", OwnerChanged);
_owner.Remove();
_tOut.Change(Timeout.Infinite, Timeout.Infinite);
if(StatusChg!=null) {
StatusChg(_connected);
}
_stream.Close();
_stream=null;
Log.Info("{0} Disconnected", BrokerName);
}
}
}
private void ConnectCB(IAsyncResult rez) {
var _tcp=rez.AsyncState as TcpClient;
try {
_tcp.EndConnect(rez);
_stream=new MqStreamer(_tcp, Received, SendIdle);
_stream.isSndPaused=true;
var re=((IPEndPoint)_stream.Socket.Client.RemoteEndPoint);
try {
BrokerName=Dns.GetHostEntry(re.Address).HostName;
}
catch(SocketException) {
BrokerName=re.Address.ToString();
}
_owner=_mq.Get<MqClient>(BrokerName);
_owner.value=this;
_connected=false;
string id=Topic.root.Get<string>("/local/cfg/id").value;
if(string.IsNullOrEmpty(id)) {
id=string.Format("{0}@{1}_{2:X4}", Environment.UserName, Environment.MachineName, System.Diagnostics.Process.GetCurrentProcess().Id);
}
ConnInfo.clientId=id;
ConnInfo.userName=_settings.Get<string>("_username");
_settings.Get<string>("_username").saved=true;
ConnInfo.userPassword=_settings.Get<string>("_password");
_settings.Get<string>("_password").saved=true;
if(string.IsNullOrEmpty(ConnInfo.userName) && addr=="localhost") {
ConnInfo.userName="******";
ConnInfo.userPassword=string.Empty;
}
this.Send(ConnInfo);
_owner.Subscribe("/#", OwnerChanged);
_tOut.Change(3000, _keepAliveMS); // more often than not
}
catch(Exception ex) {
Log.Error("Connect to {0}:{1} failed, {2}", addr, port, ex.Message);
if(StatusChg!=null) {
StatusChg(false);
}
_tOut.Change(_keepAliveMS*5, Timeout.Infinite);
}
}
public bool Reconnect(bool slow=false) {
if(_stream!=null) {
if(_connected) {
_connected=false;
if(StatusChg!=null) {
StatusChg(_connected);
}
_tOut.Change(_keepAliveMS*2, Timeout.Infinite);
} else {
_tOut.Change(_keepAliveMS*(slow?10:5), Timeout.Infinite);
}
_stream.Close();
_stream=null;
return false;
}
if(slow) {
_tOut.Change(_keepAliveMS*5, Timeout.Infinite);
return false;
}
string connectionstring=_settings.Get<string>("_URL").value;
_settings.Get<string>("_URL").saved=true;
_settings.Get<string>("_username").saved=true;
_settings.Get<string>("_password").saved=true;
if(string.IsNullOrEmpty(connectionstring)) {
return false;
}
if(connectionstring=="#local") {
connectionstring="localhost";
}
if(connectionstring.IndexOf(':')>0) {
addr=connectionstring.Substring(0, connectionstring.IndexOf(':'));
port=int.Parse(connectionstring.Substring(connectionstring.IndexOf(':')+1));
} else {
addr=connectionstring;
port=1883;
}
TcpClient _tcp=new TcpClient();
_tcp.SendTimeout=900;
_tcp.ReceiveTimeout=0;
_tcp.BeginConnect(addr, port, new AsyncCallback(ConnectCB), _tcp);
return true;
}
