public ThreadPool(Instance instance, string prefix, int timeout)
{
Ice.Properties properties = instance.initializationData().properties;
_instance = instance;
_dispatcher = instance.initializationData().dispatcher;
_destroyed = false;
_prefix = prefix;
_threadIndex = 0;
_inUse = 0;
_serialize = properties.getPropertyAsInt(_prefix + ".Serialize") > 0;
_serverIdleTime = timeout;
string programName = properties.getProperty("Ice.ProgramName");
if (programName.Length > 0)
{
_threadPrefix = programName + "-" + _prefix;
}
else
{
_threadPrefix = _prefix;
}
//
// We use just one thread as the default. This is the fastest
// possible setting, still allows one level of nesting, and
// doesn't require to make the servants thread safe.
//
int size = properties.getPropertyAsIntWithDefault(_prefix + ".Size", 1);
if (size < 1)
{
string s = _prefix + ".Size < 1; Size adjusted to 1";
_instance.initializationData().logger.warning(s);
size = 1;
}
int sizeMax = properties.getPropertyAsIntWithDefault(_prefix + ".SizeMax", size);
if (sizeMax < size)
{
string s = _prefix + ".SizeMax < " + _prefix + ".Size; SizeMax adjusted to Size (" + size + ")";
_instance.initializationData().logger.warning(s);
sizeMax = size;
}
int sizeWarn = properties.getPropertyAsInt(_prefix + ".SizeWarn");
if (sizeWarn != 0 && sizeWarn < size)
{
string s = _prefix + ".SizeWarn < " + _prefix + ".Size; adjusted SizeWarn to Size (" + size + ")";
_instance.initializationData().logger.warning(s);
sizeWarn = size;
}
else if (sizeWarn > sizeMax)
{
string s = _prefix + ".SizeWarn > " + _prefix + ".SizeMax; adjusted SizeWarn to SizeMax ("
+ sizeMax + ")";
_instance.initializationData().logger.warning(s);
sizeWarn = sizeMax;
}
int threadIdleTime = properties.getPropertyAsIntWithDefault(_prefix + ".ThreadIdleTime", 60);
if (threadIdleTime < 0)
{
string s = _prefix + ".ThreadIdleTime < 0; ThreadIdleTime adjusted to 0";
_instance.initializationData().logger.warning(s);
threadIdleTime = 0;
}
_size = size;
_sizeMax = sizeMax;
_sizeWarn = sizeWarn;
_threadIdleTime = threadIdleTime;
int stackSize = properties.getPropertyAsInt(_prefix + ".StackSize");
if (stackSize < 0)
{
string s = _prefix + ".StackSize < 0; Size adjusted to OS default";
_instance.initializationData().logger.warning(s);
stackSize = 0;
}
_stackSize = stackSize;
_priority = properties.getProperty(_prefix + ".ThreadPriority").Length > 0 ?
Util.stringToThreadPriority(properties.getProperty(_prefix + ".ThreadPriority")) :
Util.stringToThreadPriority(properties.getProperty("Ice.ThreadPriority"));
if (_instance.traceLevels().threadPool >= 1)
{
string s = "creating " + _prefix + ": Size = " + _size + ", SizeMax = " + _sizeMax + ", SizeWarn = " +
_sizeWarn;
_instance.initializationData().logger.trace(_instance.traceLevels().threadPoolCat, s);
}
_workItems = new Queue <ThreadPoolWorkItem>();
try
{
_threads = new List <WorkerThread>();
for (int i = 0; i < _size; ++i)
{
WorkerThread thread = new WorkerThread(this, _threadPrefix + "-" + _threadIndex++);
thread.start(_priority);
_threads.Add(thread);
}
}
catch (System.Exception ex)
{
string s = "cannot create thread for `" + _prefix + "':\n" + ex;
_instance.initializationData().logger.error(s);
destroy();
joinWithAllThreads();
throw;
}
}
