fsfw/serviceinterface/ServiceInterfaceStream.h
2020-07-21 15:15:53 +02:00

59 lines
2.0 KiB
C++

#ifndef FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACESTREAM_H_
#define FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACESTREAM_H_
#include <framework/serviceinterface/ServiceInterfaceBuffer.h>
#include <iostream>
#include <cstdio>
/**
* Generic service interface stream which can be used like std::cout or
* std::cerr but has additional capability. Add preamble and timestamp
* to output. Can be run in buffered or unbuffered mode.
*/
class ServiceInterfaceStream : public std::ostream {
public:
/**
* This constructor is used by specifying the preamble message.
* Optionally, the output can be directed to stderr and a CR character
* can be prepended to the preamble.
* @param setMessage message of preamble.
* @param addCrToPreamble Useful for applications like Puttty.
* @param buffered specify whether to use buffered mode.
* @param errStream specify which output stream to use (stderr or stdout).
*/
ServiceInterfaceStream(std::string setMessage,
bool addCrToPreamble = false, bool buffered = true,
bool errStream = false, uint16_t port = 1234);
//! An inactive stream will not print anything.
void setActive( bool );
/**
* This can be used to retrieve the preamble in case it should be printed in
* the unbuffered mode.
* @return Preamle consisting of log message and timestamp.
*/
std::string* getPreamble();
/**
* This prints an error with a preamble. Useful if using the unbuffered
* mode. Flushes in default mode (prints immediately).
*/
void print(std::string error, bool withPreamble = true,
bool withNewline = true, bool flush = true);
protected:
ServiceInterfaceBuffer streambuf;
};
// Forward declaration of interface streams. These should be instantiated in
// main. They can then be used like std::cout or std::cerr.
namespace sif {
extern ServiceInterfaceStream debug;
extern ServiceInterfaceStream info;
extern ServiceInterfaceStream warning;
extern ServiceInterfaceStream error;
}
#endif /* FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACESTREAM_H_ */