111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/*
|
|
Copyright <2018-2023> <scott.e.graves@protonmail.com>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
#ifndef INCLUDE_COMM_PACKET_CLIENT_POOL_HPP_
|
|
#define INCLUDE_COMM_PACKET_CLIENT_POOL_HPP_
|
|
|
|
#include "comm/packet/packet.hpp"
|
|
#include "types/repertory.hpp"
|
|
|
|
namespace repertory {
|
|
class client_pool final {
|
|
public:
|
|
using worker_callback = std::function<packet::error_type()>;
|
|
using worker_complete_callback =
|
|
std::function<void(const packet::error_type &)>;
|
|
|
|
private:
|
|
class pool final {
|
|
private:
|
|
struct work_item final {
|
|
work_item(worker_callback worker,
|
|
worker_complete_callback worker_complete)
|
|
: work(std::move(worker)),
|
|
work_complete(std::move(worker_complete)) {}
|
|
|
|
worker_callback work;
|
|
worker_complete_callback work_complete;
|
|
};
|
|
|
|
struct work_queue final {
|
|
std::mutex mutex;
|
|
std::condition_variable notify;
|
|
std::deque<std::shared_ptr<work_item>> queue;
|
|
};
|
|
|
|
public:
|
|
explicit pool(std::uint8_t pool_size);
|
|
|
|
~pool() { shutdown(); }
|
|
|
|
public:
|
|
pool(const pool &) = delete;
|
|
pool(pool &&) = delete;
|
|
auto operator=(const pool &) -> pool & = delete;
|
|
auto operator=(pool &&) -> pool & = delete;
|
|
|
|
private:
|
|
std::vector<std::unique_ptr<work_queue>> pool_queues_;
|
|
std::vector<std::thread> pool_threads_;
|
|
bool shutdown_{false};
|
|
std::atomic<std::uint8_t> thread_index_{};
|
|
|
|
public:
|
|
void execute(std::uint64_t thread_id, const worker_callback &worker,
|
|
const worker_complete_callback &worker_complete);
|
|
|
|
void shutdown();
|
|
};
|
|
|
|
public:
|
|
explicit client_pool(std::uint8_t pool_size = min_pool_size)
|
|
: pool_size_(pool_size == 0U ? min_pool_size : pool_size) {}
|
|
|
|
~client_pool() { shutdown(); }
|
|
|
|
public:
|
|
client_pool(const client_pool &) = delete;
|
|
client_pool(client_pool &&) = delete;
|
|
auto operator=(const client_pool &) -> client_pool & = delete;
|
|
auto operator=(client_pool &&) -> client_pool & = delete;
|
|
|
|
private:
|
|
std::uint8_t pool_size_;
|
|
std::unordered_map<std::string, std::shared_ptr<pool>> pool_lookup_;
|
|
std::mutex pool_mutex_;
|
|
bool shutdown_ = false;
|
|
|
|
private:
|
|
static constexpr const auto min_pool_size = 10U;
|
|
|
|
public:
|
|
void execute(const std::string &client_id, std::uint64_t thread_id,
|
|
const worker_callback &worker,
|
|
const worker_complete_callback &worker_complete);
|
|
|
|
void remove_client(const std::string &client_id);
|
|
|
|
void shutdown();
|
|
};
|
|
} // namespace repertory
|
|
|
|
#endif // INCLUDE_COMM_PACKET_CLIENT_POOL_HPP_
|