X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Utils%2FLogger%2FTarget.hh;h=c5ac3686948423faf3246b05c2e4f491ecff480a;hb=82ad2ed94c12c3e53097fef92978de8c28239fab;hp=5b8dd1b9ddb9a3dec3f4a94486c910bc22361df2;hpb=044a1bfb46ce16c3daac307b8c684604b43dd4cf;p=senf.git

diff --git a/Utils/Logger/Target.hh b/Utils/Logger/Target.hh
index 5b8dd1b..c5ac368 100644
--- a/Utils/Logger/Target.hh
+++ b/Utils/Logger/Target.hh
@@ -119,9 +119,6 @@ namespace log {
         cases messages might be lost but this cannot be avoided.
 
         \see \ref targets
-
-        \fixme optionally Integrate with Scheduler / ClockService to reduce number of gettimeofday()
-            calls.
       */
     class Target : private boost::noncopyable
     {
@@ -379,9 +376,7 @@ namespace log {
                                              somehow format and write the log message. 
 
                                              Every log message always possesses a complete set of
-                                             meta information (\a stream, \a area and \a level). The
-                                             \a area may be an empty string if the message was
-                                             written from the senf::log::DefaultArea.
+                                             meta information (\a stream, \a area and \a level).
 
                                              \note This member must \e not block since it may be
                                                  called from any unknown context. This prohibits
@@ -403,6 +398,55 @@ namespace log {
         friend class detail::AreaBase;
     };
 
+    /** \brief Log message time source abstract base class
+
+        Instances derived from TimeSource provide the Logging library with the current date/time
+        value. The \c operator() member must be implemented to return the current universal time
+        (UTC).
+
+        A new TimeSource may be installed using \ref senf::log::timeSource().
+
+        \ingroup config
+     */
+    struct TimeSource
+    {
+        virtual ~TimeSource();
+        virtual boost::posix_time::ptime operator()() const = 0;
+    };
+
+    /** \brief Default log message time source
+
+        This time source is installed by default and uses gettimeofday() (via the Boost.DateTime
+        library) to get the current universal time.
+        
+        \ingroup config
+     */
+    struct SystemTimeSource : public TimeSource
+    {
+        virtual boost::posix_time::ptime operator()() const;
+    };
+
+    /** \brief Change log message time source
+
+        Set the log message time source to \a source. The logging library will take ownership of \e
+        source and will take care to free it, if necessary.
+
+        Since the time source class will in almost all cases be default constructible, see the
+        template overload for a simpler interface.
+
+        \ingroup config
+     */
+    void timeSource(std::auto_ptr<TimeSource> source);
+
+    /** \brief Change log message time source
+
+        Set the log message time source to (an instance of) \a Source.  \a Source must be default
+        constructible, otherwise use the non-template senf::log::timeSource() overload.
+
+        \ingroup config
+     */
+    template <class Source> void timeSource();
+
 }}
 
 ///////////////////////////////hh.e////////////////////////////////////////