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Diffstat (limited to 'src/utility/logger.h')
-rw-r--r-- | src/utility/logger.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/utility/logger.h b/src/utility/logger.h new file mode 100644 index 0000000..475f33d --- /dev/null +++ b/src/utility/logger.h @@ -0,0 +1,44 @@ +#ifndef CHANGE_SRC_LOGGER_H_ +#define CHANGE_SRC_LOGGER_H_ + +#include <ext/stdio_filebuf.h> + +#include <boost/process.hpp> + +#include <iostream> + +namespace utility { + +class Logger { + public: + Logger(const int target_fd): + buffer_(target_fd, std::ios::out), + stream_(&this->buffer_) { } + + void append(const std::string& msg) { + this->stream_ << msg << std::endl; + } + + // Forward the contents of a given standard output stream to the log target + // + // While `this->stream_ << stream.rdbuf()` would be more effective it sadly + // does not work with `boost::process::pistream` due to a broken pipe error + // in conjunction with the required `boost::process::capture_stream` context + // flag. + // + void forward(boost::process::pistream& stream) { + this->stream_ << std::string( + (std::istreambuf_iterator<char>(stream)), + (std::istreambuf_iterator<char>()) + ); + } + + private: + __gnu_cxx::stdio_filebuf<char> buffer_; + std::ostream stream_; + +}; + +} + +#endif // CHANGE_SRC_LOGGER_H_ |