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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "reconfigurable_stateserver.h"
#include <vespa/vespalib/util/exceptions.h>
#include <vespa/vespalib/net/http/state_server.h>
#include <vespa/config/helper/configfetcher.hpp>
#include <thread>
#include <vespa/log/log.h>
LOG_SETUP(".slobrok.server.reconfigurable_stateserver");
using namespace std::chrono_literals;
namespace slobrok {
ReconfigurableStateServer::ReconfigurableStateServer(const config::ConfigUri & configUri,
vespalib::HealthProducer & health,
vespalib::MetricsProducer & metrics,
vespalib::ComponentConfigProducer & components)
: _health(health),
_metrics(metrics),
_components(components),
_configFetcher(std::make_unique<config::ConfigFetcher>(configUri.getContext())),
_server()
{
_configFetcher->subscribe<vespa::config::core::StateserverConfig>(configUri.getConfigId(), this);
_configFetcher->start();
}
ReconfigurableStateServer::~ReconfigurableStateServer()
{
_configFetcher->close();
}
void
ReconfigurableStateServer::configure(std::unique_ptr<vespa::config::core::StateserverConfig> config)
{
_server.reset();
for (size_t retryTime(1); !_server && (retryTime < 10); retryTime++) {
try {
_server = std::make_unique<vespalib::StateServer>(config->httpport, _health, _metrics, _components);
} catch (vespalib::PortListenException & e) {
LOG(warning, "Failed listening to network port(%d) with protocol(%s): '%s', will retry for 60s",
e.get_port(), e.get_protocol().c_str(), e.what());
std::this_thread::sleep_for(retryTime * 1s);
}
}
if (!_server) {
try {
_server = std::make_unique<vespalib::StateServer>(config->httpport, _health, _metrics, _components);
} catch (vespalib::PortListenException & e) {
LOG(error, "Failed listening to network port(%d) with protocol(%s): '%s', giving up and restarting.",
e.get_port(), e.get_protocol().c_str(), e.what());
std::_Exit(17);
}
}
}
}
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