add PIPackedTCP

libs/main/io_utils/pipackedtcp.h

@@ -0,0 +1,90 @@
+/*! \file pipackedtcp.h
+ * \ingroup IO-Utils
+ * \~\brief
+ * \~english Ethernet device
+ * \~russian Устройство Ethernet
+ */
+/*
+    PIP - Platform Independent Primitives
+    Ethernet, UDP/TCP Broadcast/Multicast
+    Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef pipackedtcp_H
+#define pipackedtcp_H
+
+#include "piiodevice.h"
+#include "pinetworkaddress.h"
+#include "pip_io_utils_export.h"
+#include "pistreampacker.h"
+
+class PIEthernet;
+
+
+class PIP_IO_UTILS_EXPORT PIPackedTCP: public PIIODevice {
+	PIIODEVICE(PIPackedTCP, "ptcp");
+
+public:
+	//! \brief Role of %PIPackedTCP
+	enum Role {
+		Client /** TCP client */,
+		Server /** TCP server for one client */
+	};
+
+	//! Contructs %PIPackedTCP with "role" and "addr" address
+	explicit PIPackedTCP(Role role = Client, const PINetworkAddress & addr = {});
+
+	virtual ~PIPackedTCP();
+
+	//! Set server address for Server role or connect address for Client
+	void setAddress(const PINetworkAddress & addr);
+
+	bool isConnected() const;
+	bool isConnecting() const;
+
+	//! Returns read address in format "i.i.i.i:p"
+	PINetworkAddress address() const { return m_addr; }
+
+	//! Returns %PIEthernet type
+	Role role() const { return m_role; }
+
+	EVENT0(connected);
+	EVENT0(disconnected);
+
+protected:
+	void init();
+
+	DeviceInfoFlags deviceInfoFlags() const override;
+	PIString constructFullPathDevice() const override;
+	void configureFromFullPathDevice(const PIString & full_path) override;
+	ssize_t readDevice(void * read_to, ssize_t max_size) override;
+	ssize_t writeDevice(const void * data, ssize_t max_size) override;
+	bool openDevice() override;
+	bool closeDevice() override;
+
+	mutable PINetworkAddress m_addr;
+	Role m_role     = Client;
+	PIEthernet *eth = nullptr, *client = nullptr;
+	PIStreamPacker packer;
+	PIMutex rec_mutex;
+	PIQueue<PIByteArray> rec_queue;
+
+private:
+};
+
+REGISTER_DEVICE(PIPackedTCP)
+
+#endif