131 lines
4.6 KiB
C++
131 lines
4.6 KiB
C++
#pragma once
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#include <event.h>
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#include <protocol/buffers.h>
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#include <deque>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <ThreadPool/Thread.h>
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#include <shared/License.h>
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#include <arpa/inet.h>
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#include "DatabaseHandler.h"
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namespace license {
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namespace web {
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class WebStatistics;
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}
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namespace stats {
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class StatisticManager;
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}
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class UserManager;
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enum ClientType {
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SERVER,
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MANAGER
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};
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struct ConnectedClient {
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public:
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struct {
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sockaddr_in remoteAddr;
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int fileDescriptor = 0;
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event* readEvent = nullptr; /* protected via state_lock (check state and the use these variables) */
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event* writeEvent = nullptr;
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std::mutex write_queue_lock{};
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TAILQ_HEAD(, ts::buffer::RawBuffer) write_queue;
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} network;
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struct {
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std::mutex state_lock{};
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protocol::RequestState state = protocol::UNCONNECTED;
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std::chrono::system_clock::time_point last_read;
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std::string cryptKey = "";
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int version{2}; /* current version is 3 */
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} protocol;
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ClientType type = ClientType::SERVER;
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std::string username;
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std::string key;
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uint64_t key_pending_upgrade{0};
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std::string unique_identifier;
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bool invalid_license = false;
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void init();
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void uninit();
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void sendPacket(const protocol::packet&);
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inline std::string address() { return inet_ntoa(network.remoteAddr.sin_addr); }
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};
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struct WebCertificate {
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std::string revision;
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std::string key;
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std::string certificate;
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};
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class LicenseServer {
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public:
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explicit LicenseServer(const sockaddr_in&, std::shared_ptr<server::database::DatabaseHandler> , std::shared_ptr<stats::StatisticManager> /* stats */, std::shared_ptr<web::WebStatistics> /* web stats */, std::shared_ptr<UserManager> /* user manager */);
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~LicenseServer();
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bool start();
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bool isRunning(){ return this->running; }
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void stop();
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std::shared_ptr<ConnectedClient> findClient(int fileDescriptor);
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void disconnectClient(const std::shared_ptr<ConnectedClient>&, const std::string& reason);
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void closeConnection(const std::shared_ptr<ConnectedClient>&, bool blocking = false);
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std::deque<std::shared_ptr<ConnectedClient>> getClients() {
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std::lock_guard lock(this->client_lock);
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return clients;
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}
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std::shared_ptr<WebCertificate> web_certificate{nullptr};
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private:
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void unregisterClient(const std::shared_ptr<ConnectedClient>&);
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void cleanup_clients();
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std::shared_ptr<web::WebStatistics> web_statistics;
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std::shared_ptr<stats::StatisticManager> statistics;
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std::shared_ptr<server::database::DatabaseHandler> manager;
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std::shared_ptr<UserManager> user_manager;
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std::mutex client_lock;
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std::deque<std::shared_ptr<ConnectedClient>> clients;
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bool running = false; /* also secured by client_lock */
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sockaddr_in localAddr{};
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int server_socket = 0;
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event_base* evBase = nullptr;
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event* event_accept = nullptr;
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event* event_cleanup = nullptr;
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std::thread event_base_dispatch{};
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static void handleEventCleanup(int, short, void*);
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static void handleEventAccept(int, short, void*);
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static void handleEventRead(int, short, void*);
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static void handleEventWrite(int, short, void*);
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void handleMessage(std::shared_ptr<ConnectedClient>&, const std::string&);
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bool handleDisconnect(std::shared_ptr<ConnectedClient>&, protocol::packet&, std::string& error);
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bool handleHandshake(std::shared_ptr<ConnectedClient>&, protocol::packet&, std::string& error);
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bool handleServerValidation(std::shared_ptr<ConnectedClient> &, protocol::packet &, std::string &error);
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bool handlePacketLicenseUpgrade(std::shared_ptr<ConnectedClient> &client, protocol::packet &packet, std::string &error);
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bool handlePacketPropertyUpdate(std::shared_ptr<ConnectedClient> &, protocol::packet &, std::string &error);
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bool handlePacketAuth(std::shared_ptr<ConnectedClient> &, protocol::packet &, std::string &error);
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bool handlePacketLicenseCreate(std::shared_ptr<ConnectedClient> &, protocol::packet &, std::string &error);
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bool handlePacketLicenseList(std::shared_ptr<ConnectedClient> &, protocol::packet &, std::string &error);
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bool handlePacketLicenseDelete(std::shared_ptr<ConnectedClient> &, protocol::packet &, std::string &error);
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};
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} |