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C++

/**
* Copyright 2013-2023 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsRAN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSUE_LTE_WORKER_POOL_H
#define SRSUE_LTE_WORKER_POOL_H
#include "sf_worker.h"
#include "srsran/common/thread_pool.h"
namespace srsue {
namespace lte {
class worker_pool
{
private:
srsran::thread_pool pool;
std::vector<std::unique_ptr<sf_worker> > workers;
class phy_cfg_stash_t
{
private:
std::vector<bool> pending; ///< Indicates for each SF worker if it has pending configuration
srsran::phy_cfg_t cfg; ///< Actual CC configuration
public:
phy_cfg_stash_t(uint32_t max_workers) : pending(max_workers) {}
void set_cfg(const srsran::phy_cfg_t& c);
bool is_pending(uint32_t sf_idx);
const srsran::phy_cfg_t& get_cfg(uint32_t sf_idx);
};
std::mutex phy_cfg_mutex; ///< Protects configuration stash
std::array<phy_cfg_stash_t, SRSRAN_MAX_CARRIERS> phy_cfg_stash; ///< Stores the latest worker configuration
public:
sf_worker* operator[](std::size_t pos) { return workers.at(pos).get(); }
worker_pool(uint32_t max_workers);
bool init(phy_common* common, int prio);
sf_worker* wait_worker(uint32_t tti);
sf_worker* wait_worker_id(uint32_t id);
void start_worker(sf_worker* w);
void stop();
/**
* @brief Sets a new configuration for a given CC, it copies the new configuration into the stash and it will be
* applied to the sf_worker at the time it is reserved.
* @param cc_idx CC index
* @param phy_cfg Actual PHY configuration
*/
void set_config(uint32_t cc_idx, const srsran::phy_cfg_t& phy_cfg);
};
} // namespace lte
} // namespace srsue
#endif // SRSUE_LTE_WORKER_POOL_H