Fix copy constructor of the logger

src/common/logger.cpp

@@ -67,6 +67,31 @@ LoggerBuffer::LoggerBuffer(std::size_t bufferSize)
     setFileEnabled(false);
 }
 
+/*!
+    Copy constructor.
+
+    \param other is another logger buffer, whose contents will be used to
+    initialize the current logger buffer
+*/
+LoggerBuffer::LoggerBuffer(const LoggerBuffer &other)
+    : std::streambuf(),
+      m_buffer(other.m_buffer),
+      m_context(other.m_context),
+      m_padding(other.m_padding),
+      m_consoleEnabled(other.m_consoleEnabled),
+      m_consoleTimestampEnabled(other.m_consoleTimestampEnabled),
+      m_console(other.m_console),
+      m_consolePrefix(other.m_consolePrefix),
+      m_fileEnabled(other.m_fileEnabled),
+      m_fileTimestampEnabled(other.m_fileTimestampEnabled),
+      m_file(other.m_file),
+      m_filePrefix(other.m_filePrefix)
+{
+    // Set the buffer
+    char *bufferBegin = &m_buffer.front();
+    setp(bufferBegin, bufferBegin + m_buffer.size() - 1);
+}
+
 /*!
     Destructor
 */
@@ -492,6 +517,11 @@ Logger::Logger(const Logger &other)
       m_fileDisabledThreshold(other.m_fileDisabledThreshold),
       m_fileVerbosityThreshold(other.m_fileVerbosityThreshold)
 {
+    // Copy buffer properties
+    copyfmt(other);
+    exceptions(other.exceptions());
+    clear(other.rdstate());
+    basic_ios<char>::rdbuf(other.rdbuf());
 }
 
 /*!

src/common/logger.hpp

@@ -81,6 +81,7 @@ class LoggerBuffer : public std::streambuf
 
 public:
     LoggerBuffer(std::size_t bufferSize = 256);
+    LoggerBuffer(LoggerBuffer const &other);
     ~LoggerBuffer();
 
     bool isConsoleTimestampEnabled() const;