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include/comm/packet/packet_client.hpp

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+/*
+  Copyright <2018-2022> <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_PACKET_CLIENT_HPP_
+#define INCLUDE_COMM_PACKET_PACKET_CLIENT_HPP_
+
+#include "common.hpp"
+#include "comm/packet/packet.hpp"
+
+using boost::asio::ip::tcp;
+
+namespace repertory {
+class packet_client final {
+private:
+  struct client {
+    client(boost::asio::io_context &ctx) : nonce(""), socket(ctx) {}
+
+    std::string nonce;
+    tcp::socket socket;
+  };
+
+public:
+  packet_client(std::string host_name_or_ip, const std::uint8_t &max_connections,
+                const std::uint16_t &port, const std::uint16_t &receive_timeout,
+                const std::uint16_t &send_timeout, std::string encryption_token);
+
+  ~packet_client();
+
+private:
+  boost::asio::io_context io_context_;
+  const std::string host_name_or_ip_;
+  const std::uint8_t max_connections_;
+  const std::uint16_t port_;
+  const std::uint16_t receive_timeout_;
+  const std::uint16_t send_timeout_;
+  const std::string encryption_token_;
+  std::string unique_id_;
+
+  bool allow_connections_ = true;
+  boost::asio::ip::basic_resolver<boost::asio::ip::tcp>::results_type resolve_results_;
+  std::mutex clients_mutex_;
+  std::vector<std::shared_ptr<client>> clients_;
+
+private:
+  void close(client &c) const;
+
+  void close_all();
+
+  bool connect(client &c);
+
+  std::shared_ptr<client> get_client();
+
+  void put_client(std::shared_ptr<client> &c);
+
+  packet::error_type read_packet(client &c, packet &response);
+
+  void resolve();
+
+public:
+  packet::error_type send(const std::string &method, std::uint32_t &service_flags);
+
+  packet::error_type send(const std::string &method, packet &request, std::uint32_t &service_flags);
+
+  packet::error_type send(const std::string &method, packet &request, packet &response,
+                          std::uint32_t &service_flags);
+};
+} // namespace repertory
+
+#endif // INCLUDE_COMM_PACKET_PACKET_CLIENT_HPP_