fsfw/serviceinterface/ServiceInterfaceBuffer.h

#ifndef FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACEBUFFER_H_
#define FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACEBUFFER_H_

#include "../returnvalues/HasReturnvaluesIF.h"
#include <FSFWConfig.h>

#if CPP_OSTREAM_ENABLED == 1

#include <iostream>
#include <sstream>
#include <iomanip>

#ifndef UT699

/**
 * @brief 	This is the underlying stream buffer which implements the
 * 			streambuf class and overloads the overflow() and sync() methods
 * @details
 * This class is used to modify the output of the stream, for example by adding.
 * It also calls the char printing function which is implemented in the
 * board supply package (BSP).
 */
class ServiceInterfaceBuffer:
        public std::streambuf {
	friend class ServiceInterfaceStream;
public:
	static constexpr uint8_t MAX_PREAMBLE_SIZE = 40;

	ServiceInterfaceBuffer(std::string setMessage, bool addCrToPreamble,
			bool buffered, bool errStream, uint16_t port);

protected:
	bool isActive;
	//! This is called when buffer becomes full. If
	//! buffer is not used, then this is called every
	//! time when characters are put to stream.
	int overflow(int c = Traits::eof()) override;

	//! This function is called when stream is flushed,
	//! for example when std::endl is put to stream.
	int sync(void) override;

	bool isBuffered() const;
private:
	//! For additional message information
	std::string logMessage;
	std::string preamble;

#if FSFW_COLORED_OUTPUT == 1
	std::string colorPrefix;
#endif

	// For EOF detection
	typedef std::char_traits<char> Traits;

	//! This is useful for some terminal programs which do not have
	//! implicit carriage return with newline characters.
	bool addCrToPreamble;

	//! Specifies whether the stream operates in buffered or unbuffered mode.
	bool buffered;
	//! This specifies to print to stderr and work in unbuffered mode.
	bool errStream;

	//! Needed for buffered mode.
	static size_t const BUF_SIZE = fsfwconfig::FSFW_PRINT_BUFFER_SIZE;
	char buf[BUF_SIZE];

	//! In this function, the characters are parsed.
	void putChars(char const* begin, char const* end);

	std::string* getPreamble(size_t * preambleSize = nullptr);
};

#endif


#ifdef UT699
class ServiceInterfaceBuffer: public std::basic_streambuf<char,
		std::char_traits<char> > {
	friend class ServiceInterfaceStream;
public:
	ServiceInterfaceBuffer(std::string set_message, uint16_t port);
protected:
	bool isActive;
	// This is called when buffer becomes full. If
	// buffer is not used, then this is called every
	// time when characters are put to stream.
	virtual int overflow(int c = Traits::eof());

	// This function is called when stream is flushed,
	// for example when std::endl is put to stream.
	virtual int sync(void);

private:
	// For additional message information
	std::string log_message;
	// For EOF detection
	typedef std::char_traits<char> Traits;

	// Work in buffer mode. It is also possible to work without buffer.
	static size_t const BUF_SIZE = 128;
	char buf[BUF_SIZE];

	// In this function, the characters are parsed.
	void putChars(char const* begin, char const* end);
};
#endif //UT699

#ifdef ML505
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/udp.h>

class ServiceInterfaceBuffer: public std::basic_streambuf<char,
		std::char_traits<char> > {
	friend class ServiceInterfaceStream;
public:
	ServiceInterfaceBuffer(std::string set_message, uint16_t port);
protected:
	bool isActive;
	// This is called when buffer becomes full. If
	// buffer is not used, then this is called every
	// time when characters are put to stream.
	virtual int overflow(int c = Traits::eof());

	// This function is called when stream is flushed,
	// for example when std::endl is put to stream.
	virtual int sync(void);

private:
	// For additional message information
	std::string log_message;
	// For EOF detection
	typedef std::char_traits<char> Traits;

	// Work in buffer mode. It is also possible to work without buffer.
	static size_t const BUF_SIZE = 128;
	char buf[BUF_SIZE];

	// In this function, the characters are parsed.
	void putChars(char const* begin, char const* end);

	int udpSocket;
	sockaddr_in remoteAddress;
	socklen_t remoteAddressLength;
	void initSocket();
};
#endif //ML505

#endif /* CPP_OSTREAM_ENABLED == 1 */

#endif /* FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACEBUFFER_H_ */