service interface stream enhancements

serviceinterface/ServiceInterfaceBuffer.cpp

@@ -23,14 +23,16 @@ int ServiceInterfaceBuffer::sync(void) {
 	if (this->isActive) {
 		Clock::TimeOfDay_t loggerTime;
 		Clock::getDateAndTime(&loggerTime);
-		char preamble[96] = { 0 };
-		sprintf(preamble, "%s: | %lu:%02lu:%02lu.%03lu | ",
-				this->log_message.c_str(), (unsigned long) loggerTime.hour,
-				(unsigned long) loggerTime.minute,
-				(unsigned long) loggerTime.second,
-				(unsigned long) loggerTime.usecond /1000);
+		std::string preamble;
+		if(addCrToPreamble) {
+			preamble += "\r";
+		}
+		preamble += log_message + ": | " + zero_padded(loggerTime.hour, 2)
+				+ ":" + zero_padded(loggerTime.minute, 2) + ":"
+				+ zero_padded(loggerTime.second, 2) + "."
+				+ zero_padded(loggerTime.usecond/1000, 3) + " | ";
 		// Write log_message and time
-		this->putChars(preamble, preamble + sizeof(preamble));
+		this->putChars(preamble.c_str(), preamble.c_str() + preamble.size());
 		// Handle output
 		this->putChars(pbase(), pptr());
 	}
@@ -39,9 +41,13 @@ int ServiceInterfaceBuffer::sync(void) {
 	return 0;
 }
 
+
+
 #ifndef UT699
 
-ServiceInterfaceBuffer::ServiceInterfaceBuffer(std::string set_message, uint16_t port) {
+ServiceInterfaceBuffer::ServiceInterfaceBuffer(std::string set_message,
+        uint16_t port, bool addCrToPreamble) {
+	this->addCrToPreamble = addCrToPreamble;
 	this->log_message = set_message;
 	this->isActive = true;
 	setp( buf, buf + BUF_SIZE );
@@ -62,10 +68,12 @@ void ServiceInterfaceBuffer::putChars(char const* begin, char const* end) {
 }
 #endif
 
+
 #ifdef UT699
 #include <framework/osal/rtems/Interrupt.h>
 
-ServiceInterfaceBuffer::ServiceInterfaceBuffer(std::string set_message, uint16_t port) {
+ServiceInterfaceBuffer::ServiceInterfaceBuffer(std::string set_message,
+		uint16_t port) {
 	this->log_message = set_message;
 	this->isActive = true;
 	setp( buf, buf + BUF_SIZE );

serviceinterface/ServiceInterfaceBuffer.h

@@ -2,32 +2,36 @@
 #define FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACEBUFFER_H_
 
 #include <iostream>
-#include <iosfwd>
 #include <sstream>
 #include <cstdio>
+#include <iomanip>
 
 #ifndef UT699
-class ServiceInterfaceBuffer: public std::basic_streambuf<char,
-		std::char_traits<char> > {
+class ServiceInterfaceBuffer:
+        public std::basic_streambuf<char,std::char_traits<char>> {
 	friend class ServiceInterfaceStream;
 public:
-	ServiceInterfaceBuffer(std::string set_message, uint16_t port);
+	ServiceInterfaceBuffer(std::string set_message, uint16_t port,
+			bool addCrToPreamble);
 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());
+	int overflow(int c = Traits::eof()) override;
 
 	// This function is called when stream is flushed,
 	// for example when std::endl is put to stream.
-	virtual int sync(void);
+	int sync(void) override;
 
 private:
 	// For additional message information
 	std::string log_message;
 	// 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;
 
 	// Work in buffer mode. It is also possible to work without buffer.
 	static size_t const BUF_SIZE = 128;
@@ -35,6 +39,18 @@ private:
 
 	// In this function, the characters are parsed.
 	void putChars(char const* begin, char const* end);
+
+	template<typename T>
+	std::string zero_padded(const T& num, uint8_t width) {
+	    std::ostringstream string_to_pad;
+	    string_to_pad << std::setw(width) << std::setfill('0') << num;
+	    std::string result = string_to_pad.str();
+	    if (result.length() > width)
+	    {
+	        result.erase(0, result.length() - width);
+	    }
+	    return result;
+	}
 };
 #endif
 

serviceinterface/ServiceInterfaceStream.cpp

@@ -5,7 +5,7 @@ void ServiceInterfaceStream::setActive( bool myActive) {
 }
 
 ServiceInterfaceStream::ServiceInterfaceStream(std::string set_message,
-		uint16_t port) :
-		std::basic_ostream<char, std::char_traits<char> >(&buf), buf(
-				set_message, port) {
+		bool addCrToPreamble, uint16_t port) :
+		std::basic_ostream<char, std::char_traits<char>>(&buf),
+		buf(set_message, port, addCrToPreamble) {
 }

serviceinterface/ServiceInterfaceStream.h

@@ -17,14 +17,15 @@ extern std::ostream error;
 }
 
 
-class ServiceInterfaceStream : public std::basic_ostream< char, std::char_traits< char > > {
+class ServiceInterfaceStream :
+        public std::basic_ostream<char, std::char_traits<char>> {
 protected:
     ServiceInterfaceBuffer buf;
 public:
-    ServiceInterfaceStream( std::string set_message, uint16_t port = 1234 );
+    ServiceInterfaceStream( std::string set_message,
+    		bool addCrToPreamble = false, uint16_t port = 1234);
 	void setActive( bool );
 };
 
 
-
 #endif /* FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACESTREAM_H_ */