public int connectToServer(int port, DXChild c)
{
bool wasQueued = false;
String server;
if (c != null)
{
server = c.getServer();
if (!c.IsQueued)
{
serverInfo.children.Remove(c);
c.unQueue();
}
}
else
{
server = serverInfo.server;
}
DXPacketIF p = new DXPacketIF(server, port, DXChild.HostIsLocal(server));
if (DXApplication.resource.debugMode)
p.setEchoCallback(DXApplication.DebugEchoCallback, "need to get stderr");
if (p.Error)
{
ErrorDialog ed = new ErrorDialog();
ed.post("Connection to {0} failed.", server);
p = null;
return 0;
}
clearErrorList();
if (serverInfo.packet == null)
{
if (wasQueued)
{
InfoDialog id = new InfoDialog();
id.post("Your connection to {0} has been accepted.", server);
}
packetIFAccept(p);
}
else
{
serverInfo.queuedPackets.Insert(0, p);
QuestionDialog qd = new QuestionDialog();
String s = String.Format("Your connection to server {0} has been accepted. Do you want to disconnect from {0} and connect to it?",
server, serverInfo.server);
qd.modalPost(this.getAnchorForm(), s, null, p, DXApplication.QueuedPacketAccept,
DXApplication.QueuedPacketCancel, null, "Yes", "No", null, 2);
}
return 1;
}
protected virtual bool sendMacro(DXPacketIF pif)
{
Object cbdata = null;
PacketIF.PacketIFCallback cb = pif.getEchoCallback(ref cbdata);
StreamWriter sw = pif.getStreamWriter();
bool viasocket = true;
if (getNetwork().isJavified())
{
pif.sendMacroStart();
FormatMacro(sw, cb, cbdata, ImageNode.GifMacroTxt, viasocket);
pif.sendMacroEnd();
pif.sendMacroStart();
FormatMacro(sw, cb, cbdata, ImageNode.VrmlMacroTxt, viasocket);
pif.sendMacroEnd();
pif.sendMacroStart();
FormatMacro(sw, cb, cbdata, ImageNode.DXMacroTxt, viasocket);
pif.sendMacroEnd();
}
pif.sendMacroStart();
bool sts = printMacro(pif.getStreamWriter(), cb, cbdata, true);
pif.sendMacroEnd();
return sts;
}
/// <summary>
/// Handle acceptance of (connection to) a packet interface.
/// </summary>
/// <param name="p"></param>
protected virtual void packetIFAccept(DXPacketIF p)
{
serverInfo.queuedPackets.Remove(p);
if (serverInfo.packet != null)
{
serverInfo.packet = null;
disconnectedFromServerCmd.execute();
}
serverInfo.packet = p;
p.initializePacketIO();
connectedToServerCmd.execute();
sendNewMDFToServer(NodeDefinition.theNodeDefinitionDictionary);
getExecCtl().newConnection();
}
/// <summary>
/// Send the command to the flush the dictionaries.
/// </summary>
/// <param name="pif"></param>
protected virtual void flushExecutiveDictionaries(DXPacketIF pif)
{
Debug.Assert(pif != null);
pif.send(PacketIF.PacketType.FOREGROUND, "Executive(\"flush dictionary\");\n");
}
/// <summary>
/// Handle cancelation of (disconnection from) a packet interface.
/// </summary>
/// <param name="p"></param>
public virtual void packetIFCancel(DXPacketIF p)
{
throw new Exception("Not Yet Implemented");
}
protected override void updateModuleMessageProtocol(DXPacketIF pif)
{
throw new Exception("not implemented yet");
}
/// <summary>
/// Update the state of message handling for a module/UI message.
/// This is called only when we send a Node's module call to the executive
/// and the node has a module messaging protocol as defined by
/// this->hasModuleMessageProtocol().
/// </summary>
/// <param name="pif"></param>
protected virtual void updateModuleMessageProtocol(DXPacketIF pif)
{
String id = getModuleMessageIdString();
if (expectingModuleMessage())
{
// Install a callback to handle messages from the module
pif.setHandler(PacketIF.PacketType.INFORMATION,
Node.ExecModuleMessageHandler,
this, id);
}
else
{
// Remove the handler in case it was previously installed.
pif.setHandler(PacketIF.PacketType.INFORMATION,
null, this, id);
}
}