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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "forwarder.h"
#include <logd/config-logd.h>
#include <vespa/config/subscription/configsubscriber.h>
#include <vespa/config/subscription/configuri.h>
#include <vespa/fnet/frt/supervisor.h>
#include <vespa/vespalib/util/time.h>
namespace logdemon {
struct Metrics;
/**
* Class used to subscribe for logd config.
*/
class ConfigSubscriber {
private:
std::string _logserver_host;
int _logserver_rpc_port;
int _state_port;
ForwardMap _forward_filter;
int _rotate_size;
vespalib::duration _rotate_age;
int _remove_meg;
vespalib::duration _remove_age;
bool _use_logserver;
config::ConfigSubscriber _subscriber;
config::ConfigHandle<cloud::config::log::LogdConfig>::UP _handle;
bool _has_available;
bool _need_new_forwarder;
fnet::frt::StandaloneFRT _server;
public:
bool checkAvailable();
void latch();
ConfigSubscriber(const ConfigSubscriber& other) = delete;
ConfigSubscriber& operator=(const ConfigSubscriber& other) = delete;
ConfigSubscriber(const config::ConfigUri& configUri);
~ConfigSubscriber();
int getStatePort() const { return _state_port; }
int getRotateSize() const { return _rotate_size; }
vespalib::duration getRotateAge() const { return _rotate_age; }
int getRemoveMegabytes() const { return _remove_meg; }
vespalib::duration getRemoveAge() const { return _remove_age; }
bool need_new_forwarder() const { return _need_new_forwarder; }
std::unique_ptr<Forwarder> make_forwarder(Metrics& metrics);
void configure(std::unique_ptr<cloud::config::log::LogdConfig> cfg);
size_t generation() const { return _subscriber.getGeneration(); }
};
}
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