void FileAppender::updateHook()
{
// \todo use v2.0 data flow to trigger this when new data is available
if (!log_port.connected()) return; // no category connected to us
/* Consume waiting events until
a) the buffer is empty
b) we consume too many events on one cycle
*/
OCL::logging::LoggingEvent event;
assert(appender);
assert(0 <= maxEventsPerCycle);
if (0 == maxEventsPerCycle)
{
// consume infinite events
for (;;)
{
if (log_port.read( event ) == NewData)
{
log4cpp::LoggingEvent e2 = event.toLog4cpp();
appender->doAppend(e2);
}
else
{
break; // nothing to do
}
}
}
else
{
// consume up to maxEventsPerCycle events
int n = maxEventsPerCycle;
do
{
if (log_port.read( event ) == NewData)
{
log4cpp::LoggingEvent e2 = event.toLog4cpp();
appender->doAppend(e2);
}
else
{
break; // nothing to do
}
--n;
}
while (0 < n);
}
}
void OstreamAppender::updateHook()
{
if (!log_port.connected()) return; // no category connected to us
OCL::logging::LoggingEvent event;
if (log_port.read( event ) == NewData)
{
log4cpp::LoggingEvent e2 = event.toLog4cpp();
assert(appender);
appender->doAppend(e2);
}
}