public AsyncCommandManager(IScriptEngine _ScriptEngine)
{
m_ScriptEngine = _ScriptEngine;
// If there is more than one scene in the simulator or multiple script engines are used on the same region
// then more than one thread could arrive at this block of code simultaneously. However, it cannot be
// executed concurrently both because concurrent list operations are not thread-safe and because of other
// race conditions such as the later check of cmdHandlerThread == null.
lock (staticLock)
{
if (m_ScriptEngines.Count == 0)
{
ReadConfig();
}
if (!m_ScriptEngines.Contains(m_ScriptEngine))
{
m_ScriptEngines.Add(m_ScriptEngine);
}
// Create instances of all plugins
if (!m_Dataserver.ContainsKey(m_ScriptEngine))
{
m_Dataserver[m_ScriptEngine] = new Dataserver(this);
}
if (!m_Timer.ContainsKey(m_ScriptEngine))
{
m_Timer[m_ScriptEngine] = new Timer(this);
}
if (!m_HttpRequest.ContainsKey(m_ScriptEngine))
{
m_HttpRequest[m_ScriptEngine] = new HttpRequest(this);
}
if (!m_Listener.ContainsKey(m_ScriptEngine))
{
m_Listener[m_ScriptEngine] = new Listener(this);
}
if (!m_SensorRepeat.ContainsKey(m_ScriptEngine))
{
m_SensorRepeat[m_ScriptEngine] = new SensorRepeat(this);
}
if (!m_XmlRequest.ContainsKey(m_ScriptEngine))
{
m_XmlRequest[m_ScriptEngine] = new XmlRequest(this);
}
numInstances++;
if (cmdHandlerThread == null)
{
cmdHandlerThread = WorkManager.StartThread(
CmdHandlerThreadLoop, "AsyncLSLCmdHandlerThread");
}
}
}
public AsyncCommandManager(IScriptEngine _ScriptEngine)
{
m_ScriptEngine = _ScriptEngine;
m_Scene = m_ScriptEngine.World;
if (m_Scenes.Count == 0)
{
ReadConfig();
}
if (!m_Scenes.Contains(m_Scene))
{
m_Scenes.Add(m_Scene);
}
if (!m_ScriptEngines.Contains(m_ScriptEngine))
{
m_ScriptEngines.Add(m_ScriptEngine);
}
// Create instances of all plugins
if (!m_Dataserver.ContainsKey(m_ScriptEngine))
{
m_Dataserver[m_ScriptEngine] = new Dataserver(this);
}
if (!m_Timer.ContainsKey(m_ScriptEngine))
{
m_Timer[m_ScriptEngine] = new Timer(this);
}
if (!m_HttpRequest.ContainsKey(m_ScriptEngine))
{
m_HttpRequest[m_ScriptEngine] = new HttpRequest(this);
}
if (!m_Listener.ContainsKey(m_ScriptEngine))
{
m_Listener[m_ScriptEngine] = new Listener(this);
}
if (!m_SensorRepeat.ContainsKey(m_ScriptEngine))
{
m_SensorRepeat[m_ScriptEngine] = new SensorRepeat(this);
}
if (!m_XmlRequest.ContainsKey(m_ScriptEngine))
{
m_XmlRequest[m_ScriptEngine] = new XmlRequest(this);
}
StartThread();
}
public AsyncCommandManager(IScriptEngine _ScriptEngine)
{
m_ScriptEngine = _ScriptEngine;
// If there is more than one scene in the simulator or multiple script engines are used on the same region
// then more than one thread could arrive at this block of code simultaneously. However, it cannot be
// executed concurrently both because concurrent list operations are not thread-safe and because of other
// race conditions such as the later check of cmdHandlerThread == null.
staticLock.AcquireReaderLock(-1);
try
{
if (m_ScriptEngines.Contains(m_ScriptEngine))
{
return;
}
LockCookie lc = staticLock.UpgradeToWriterLock(-1);
try
{
if (m_ScriptEngines.Contains(m_ScriptEngine))
{
return;
}
if (m_ScriptEngines.Count == 0)
{
ReadConfig();
}
if (!m_ScriptEngines.Contains(m_ScriptEngine))
{
m_ScriptEngines.Add(m_ScriptEngine);
}
// Create instances of all plugins
if (!m_Dataserver.ContainsKey(m_ScriptEngine))
{
m_Dataserver[m_ScriptEngine] = new Dataserver(this);
}
if (!m_Timer.ContainsKey(m_ScriptEngine))
{
m_Timer[m_ScriptEngine] = new Timer(this);
}
if (!m_HttpRequest.ContainsKey(m_ScriptEngine))
{
m_HttpRequest[m_ScriptEngine] = new HttpRequest(this);
}
if (!m_Listener.ContainsKey(m_ScriptEngine))
{
m_Listener[m_ScriptEngine] = new Listener(this);
}
if (!m_SensorRepeat.ContainsKey(m_ScriptEngine))
{
m_SensorRepeat[m_ScriptEngine] = new SensorRepeat(this);
}
if (!m_XmlRequest.ContainsKey(m_ScriptEngine))
{
m_XmlRequest[m_ScriptEngine] = new XmlRequest(this);
}
StartThread();
}
finally
{
staticLock.DowngradeFromWriterLock(ref lc);
}
}
finally
{
staticLock.ReleaseReaderLock();
}
}
