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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "simpleconfigurer.h"
#include <cassert>
#include <vespa/log/log.h>
LOG_SETUP(".config.retriever.simpleconfigurer");
namespace config {
VESPA_THREAD_STACK_TAG(simple_configurer_thread);
SimpleConfigurer::SimpleConfigurer(SimpleConfigRetriever::UP retriever, SimpleConfigurable * const configurable)
: _retriever(std::move(retriever)),
_configurable(configurable),
_thread(),
_started(false)
{
assert(_retriever);
}
void
SimpleConfigurer::start()
{
if (!_retriever->isClosed()) {
LOG(debug, "Polling for config");
runConfigure();
_thread = vespalib::thread::start(*this, simple_configurer_thread);
_started = true;
}
}
SimpleConfigurer::~SimpleConfigurer()
{
close();
}
void
SimpleConfigurer::close()
{
if (!_retriever->isClosed()) {
_retriever->close();
if (_started)
_thread.join();
}
}
void
SimpleConfigurer::runConfigure()
{
ConfigSnapshot snapshot(_retriever->getConfigs());
if (!snapshot.empty()) {
_configurable->configure(snapshot);
}
}
void
SimpleConfigurer::run()
{
while (!_retriever->isClosed()) {
try {
runConfigure();
} catch (const std::exception & e) {
LOG(fatal, "Fatal error while configuring: %s", e.what());
}
}
}
} // namespace config
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