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MCOL-3557: add config change listeners.

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This commit is contained in:
benthompson15
2019-10-08 13:44:35 -05:00
parent 1af0248ae5
commit 753a77b38c
8 changed files with 144 additions and 45 deletions
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41
storage-manager/src/Synchronizer.cpp
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@ -63,18 +63,9 @@ Synchronizer::Synchronizer() : maxUploads(0)
flushesTriggeredBySize = flushesTriggeredByTimer = journalsMerged =
objectsSyncedWithNoJournal = bytesReadBySync = bytesReadBySyncWithJournal = 0;
string stmp = config->getValue("ObjectStorage", "max_concurrent_uploads");
try
{
maxUploads = stoul(stmp);
}
catch(invalid_argument)
{
logger->log(LOG_WARNING, "Downloader: Invalid arg for ObjectStorage/max_concurrent_uploads, using default of 20");
}
if (maxUploads == 0)
maxUploads = 20;
configListener();
config->addConfigListener(this);
journalPath = cache->getJournalPath();
cachePath = cache->getCachePath();
threadPool.reset(new ThreadPool());
@ -91,6 +82,7 @@ Synchronizer::~Synchronizer()
or save the list it's working on.....
For milestone 2, this will do the safe thing and finish working first.
Later we can get fancy. */
Config::get()->removeConfigListener(this);
forceFlush();
die = true;
syncThread.join();
@ -772,4 +764,29 @@ void Synchronizer::Job::operator()()
sync->process(it);
}
void Synchronizer::configListener()
{
// Uploader threads
string stmp = Config::get()->getValue("ObjectStorage", "max_concurrent_uploads");
if (maxUploads == 0)
maxUploads = 20;
if (stmp.empty())
{
logger->log(LOG_CRIT, "max_concurrent_uploads is not set. Using current value = %u",maxUploads);
}
try
{
uint newValue = stoul(stmp);
if (newValue != maxUploads)
{
maxUploads = newValue;
threadPool->setMaxThreads(maxUploads);
logger->log(LOG_INFO, "max_concurrent_uploads = %u",maxUploads);
}
}
catch (invalid_argument &)
{
logger->log(LOG_CRIT, "max_concurrent_uploads is not a number. Using current value = %u",maxUploads);
}
}
}