void ITopicOwned.SetOwner(Topic owner) {
if (_owner != owner) {
if (_owner != null) {
_owner.Unsubscribe("+", _owner_changed);
Change_A(null);
Change_B(null);
_parent = null;
}
_owner = owner as DVar<PiWire>;
if (_owner != null) {
_owner.saved = true;
var dc = _owner.Get<string>("_declarer");
dc.saved = true;
dc.value = "Wire";
if (_owner.parent != null && _owner.parent.valueType == typeof(PiLogram)) {
_parent = (_owner.parent as DVar<PiLogram>).value;
}
_owner.Subscribe("+", _owner_changed);
if (exec) {
Change_A(_a);
Change_B(_b);
}
}
}
}
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 void Attach(DVar<PiLogram> model) {
if(this.model!=model) {
this.model=model;
var w=model.Get<long>("_width");
if(w.value==0) {
w.saved=true;
w.value=24;
}
this.Width=w.value*LogramView.CellSize;
var h=model.Get<long>("_height");
if(h.value<=0) {
h.saved=true;
h.value=24;
}
this.Height=h.value*LogramView.CellSize;
_map.Clear();
DrawingVisual cur;
foreach(var p in model.children.Where(z => z.valueType==typeof(Topic)).Cast<DVar<Topic>>()) {
try {
cur=new uiAlias(p, this);
}
catch(Exception ex) {
Log.Error("create uiAlias({0}) - {1}", p.path, ex.ToString());
}
}
foreach(var p in model.children.Where(z => z.valueType==typeof(PiStatement)).Cast<DVar<PiStatement>>()) {
try {
cur=new uiStatement(p, this);
}
catch(Exception ex) {
Log.Error("create uiStatement({0}) - {1}", p.path, ex.ToString());
}
}
foreach(var p in model.children.Where(z => z.valueType==typeof(PiWire)).Cast<DVar<PiWire>>()) {
try {
cur=new uiWire(p, this);
}
catch(Exception ex) {
Log.Error("create uiWire({0}) - {1}", p.path, ex.ToString());
}
}
foreach(var p in model.children.Where(z => z.valueType==typeof(PiTracer)).Cast<DVar<PiTracer>>()) {
try {
cur=new uiTracer(p, this);
}
catch(Exception ex) {
Log.Error("create uiTracer({0}) - {1}", p.path, ex.ToString());
}
}
model.Subscribe("+", ModelChanged);
}
}