60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
#ifndef FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACESTREAM_H_
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#define FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACESTREAM_H_
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#include <framework/serviceinterface/ServiceInterfaceBuffer.h>
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#include <iostream>
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#include <cstdio>
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/* Unfortunately, there must be a forward declaration of the log front end
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* (MUST be defined in main), to let the system know where to write to.
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* The ServiceInterfaceStream instances, which are declared below and
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* can instantaited somewhere else can be passed to these front ends by passing
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* their underlying buffers with .rdbuf() */
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namespace sif {
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extern std::ostream debug;
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extern std::ostream info;
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extern std::ostream warning;
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extern std::ostream error;
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}
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class ServiceInterfaceStream :
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public std::ostream {
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protected:
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ServiceInterfaceBuffer buf;
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public:
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/**
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* This constructor is used by specifying the preamble message.
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* Optionally, the output can be directed to stderr and a CR character
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* can be prepended to the preamble.
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* @param set_message
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* @param errStream
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* @param addCrToPreamble
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* @param port
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*/
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ServiceInterfaceStream(std::string setMessage,
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bool errStream = false, bool addCrToPreamble = false,
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uint16_t port = 1234);
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//! An inactive stream will not print anything.
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void setActive( bool );
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/**
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* This can be used to retrieve the preamble in case it should be printed in
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* the unbuffered mode.
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* @return Preamle consisting of log message and timestamp.
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*/
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std::string getPreamble();
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};
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// Forward declaration of interface streams. These are needed so the public
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// functions can be used by including this header
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namespace sif {
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extern ServiceInterfaceStream debugStream;
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extern ServiceInterfaceStream infoStream;
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extern ServiceInterfaceStream warningStream;
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extern ServiceInterfaceStream errorStream;
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}
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#endif /* FRAMEWORK_SERVICEINTERFACE_SERVICEINTERFACESTREAM_H_ */
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