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prevent TCPServer thread from stopping of poll() throws (due to resource issues)

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This commit is contained in:
Guenter Obiltschnig
2016-03-05 14:40:34 +01:00
parent 15d1d0f1a2
commit 324e04e568
1 changed files with 29 additions and 18 deletions
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47
Net/src/TCPServer.cpp
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@@ -115,28 +115,38 @@ void TCPServer::run()
while (!_stopped)
{
Poco::Timespan timeout(250000);
if (_socket.poll(timeout, Socket::SELECT_READ))
try
{
try
if (_socket.poll(timeout, Socket::SELECT_READ))
{
StreamSocket ss = _socket.acceptConnection();
// enabe nodelay per default: OSX really needs that
ss.setNoDelay(true);
_pDispatcher->enqueue(ss);
}
catch (Poco::Exception& exc)
{
ErrorHandler::handle(exc);
}
catch (std::exception& exc)
{
ErrorHandler::handle(exc);
}
catch (...)
{
ErrorHandler::handle();
try
{
StreamSocket ss = _socket.acceptConnection();
// enabe nodelay per default: OSX really needs that
ss.setNoDelay(true);
_pDispatcher->enqueue(ss);
}
catch (Poco::Exception& exc)
{
ErrorHandler::handle(exc);
}
catch (std::exception& exc)
{
ErrorHandler::handle(exc);
}
catch (...)
{
ErrorHandler::handle();
}
}
}
catch (Poco::Exception& exc)
{
ErrorHandler::handle(exc);
// possibly a resource issue since poll() failed;
// give some time to recover before trying again
Poco::Thread::sleep(50);
}
}
}
@@ -146,6 +156,7 @@ int TCPServer::currentThreads() const
return _pDispatcher->currentThreads();
}
int TCPServer::maxThreads() const
{
return _pDispatcher->maxThreads();