130 lines
5.2 KiB
C++
130 lines
5.2 KiB
C++
/*! \file picloudserver.h
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* \ingroup Cloud
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* \~\brief
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* \~english Server-side PICloud device for one named endpoint
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* \~russian Серверное устройство PICloud для одной именованной конечной точки
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*/
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/*
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PIP - Platform Independent Primitives
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PICloud Server
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Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PICLOUDSERVER_H
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#define PICLOUDSERVER_H
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#include "picloudbase.h"
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#include "piconditionvar.h"
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//! \ingroup Cloud
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//! \~\brief
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//! \~english %PIIODevice implementation for a logical PICloud server.
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//! \~russian Реализация %PIIODevice для логического сервера PICloud.
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class PIP_CLOUD_EXPORT PICloudServer
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: public PIIODevice
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, public PICloudBase {
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PIIODEVICE(PICloudServer, "");
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public:
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//! \~english Constructs a logical server for transport endpoint "path" and mode "mode".
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//! \~russian Создает логический сервер для транспортной точки "path" и режима "mode".
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explicit PICloudServer(const PIString & path = PIString(), PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
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//! \~english Destroys the server and closes all logical clients.
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//! \~russian Уничтожает сервер и закрывает всех логических клиентов.
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virtual ~PICloudServer();
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//! \ingroup Cloud
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//! \~\brief
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//! \~english Per-client %PIIODevice exposed by %PICloudServer.
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//! \~russian Клиентское %PIIODevice, предоставляемое %PICloudServer.
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//! \~\details
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//! \~english Instances are created by \a newConnection() and represent one logical cloud client.
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//! \~russian Экземпляры создаются через \a newConnection() и представляют одного логического облачного клиента.
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class Client: public PIIODevice {
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PIIODEVICE(PICloudServer::Client, "");
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friend class PICloudServer;
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public:
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//! \~english Constructs a wrapper for logical client "id" owned by server "srv".
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//! \~russian Создает обертку для логического клиента "id", принадлежащего серверу "srv".
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Client(PICloudServer * srv = nullptr, uint id = 0);
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//! \~english Destroys the client wrapper.
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//! \~russian Уничтожает клиентскую обертку.
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virtual ~Client();
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protected:
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bool openDevice() override;
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bool closeDevice() override;
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ssize_t readDevice(void * read_to, ssize_t max_size) override;
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ssize_t writeDevice(const void * data, ssize_t size) override;
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DeviceInfoFlags deviceInfoFlags() const override { return PIIODevice::Reliable; }
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ssize_t bytesAvailable() const override { return buff.size(); }
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void interrupt() override;
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private:
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void pushBuffer(const PIByteArray & ba);
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PICloudServer * server;
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uint client_id;
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PIByteArray buff;
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PIMutex mutex_buff;
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PIConditionVariable cond_buff;
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std::atomic_bool is_connected;
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};
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//! \~english Sets the logical server name announced by this server.
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//! \~russian Устанавливает логическое имя сервера, объявляемое этим сервером.
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void setServerName(const PIString & server_name);
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//! \~english Returns a snapshot of the currently connected logical clients.
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//! \~russian Возвращает снимок текущих подключенных логических клиентов.
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PIVector<PICloudServer::Client *> clients() const;
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EVENT1(newConnection, PICloudServer::Client *, client);
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//! \events
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//! \{
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//! \fn void newConnection(PICloudServer::Client * client)
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//! \~english Raised when a new logical client appears for this server name.
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//! \~russian Вызывается, когда для этого имени сервера появляется новый логический клиент.
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//! \}
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protected:
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bool openDevice() override;
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bool closeDevice() override;
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ssize_t readDevice(void * read_to, ssize_t max_size) override;
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ssize_t writeDevice(const void * data, ssize_t max_size) override;
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void interrupt() override;
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private:
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EVENT_HANDLER1(void, _readed, PIByteArray &, ba);
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EVENT_HANDLER1(void, clientDeleted, PIObject *, o);
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void clientDisconnect(uint client_id);
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int sendData(const PIByteArray & data, uint client_id);
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PIVector<Client *> clients_;
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PIVector<Client *> removed_clients_;
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PIMap<uint, Client *> index_clients;
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PIThread ping_timer;
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PIConditionVariable cvar;
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PIMutex open_mutex;
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mutable PIMutex clients_mutex;
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std::atomic_bool is_deleted;
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};
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#endif // PICLOUDSERVER_H
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