Driver: Add TCP support

Device: Close Driver in heartbeat thread on disconnection

include/icsneo/platform/tcp.h

@@ -0,0 +1,57 @@
+#ifndef __TCP_H_
+#define __TCP_H_
+
+#ifdef __cplusplus
+
+#include <optional>
+
+#include "icsneo/communication/driver.h"
+#include "icsneo/device/founddevice.h"
+
+namespace icsneo {
+
+class TCP : public Driver {
+public:
+	static void Find(std::vector<FoundDevice>& foundDevices);
+
+	struct NetworkInterface {
+		const std::string name;
+		const uint32_t ip;
+	};
+
+	TCP(const device_eventhandler_t& err, NetworkInterface on, uint32_t dstIP, uint16_t dstPort);
+	~TCP() override { if(isOpen()) close(); }
+	bool open() override;
+	bool isOpen() override;
+	bool close() override;
+	bool isEthernet() const override { return true; }
+private:
+	#ifdef _WIN32
+		typedef size_t SocketFileDescriptor;
+	#else
+		typedef int SocketFileDescriptor;
+	#endif
+
+	class Socket {
+	public:
+		Socket(int domain, int type, int protocol, bool nonblocking = true);
+		~Socket();
+		explicit operator bool() const { return fd != -1; }
+		operator SocketFileDescriptor() const { return fd; }
+	private:
+		SocketFileDescriptor fd;
+	};
+	
+	NetworkInterface interface;
+	uint32_t dstIP;
+	uint16_t dstPort;
+	std::optional<Socket> socket;
+	void readTask() override;
+	void writeTask() override;
+};
+
+}
+
+#endif // __cplusplus
+
+#endif