/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
- This program is distributed in the hope that it will be useful,
+ DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
* @brief A very simple logging class.
*/
-#include <string>
+#include "log_entry.h"
+#include <dcp/types.h>
#include <boost/thread/mutex.hpp>
+#include <boost/filesystem.hpp>
+#include <boost/signals2.hpp>
+#include <string>
/** @class Log
* @brief A very simple logging class.
*/
-class Log
+class Log : public boost::noncopyable
{
public:
Log ();
virtual ~Log () {}
- enum Level {
- STANDARD = 0,
- VERBOSE = 1,
- TIMING = 2
- };
+ void log (boost::shared_ptr<const LogEntry> entry);
+ void log (std::string message, int type);
+ void dcp_log (dcp::NoteType type, std::string message);
- void log (std::string m, Level l = STANDARD);
- void microsecond_log (std::string m, Level l = STANDARD);
+ void set_types (int types);
- void set_level (Level l);
- void set_level (std::string l);
+ /** @param amount Approximate number of bytes to return; the returned value
+ * may be shorter or longer than this.
+ */
+ virtual std::string head_and_tail (int amount = 1024) const = 0;
-protected:
- /** mutex to protect the log */
- boost::mutex _mutex;
-
-private:
- virtual void do_log (std::string m) = 0;
-
- /** level above which to ignore log messages */
- Level _level;
-};
+protected:
-class FileLog : public Log
-{
-public:
- FileLog (std::string file);
+ /** mutex to protect the log */
+ mutable boost::mutex _mutex;
private:
- void do_log (std::string m);
- /** filename to write to */
- std::string _file;
+ virtual void do_log (boost::shared_ptr<const LogEntry> entry) = 0;
+ void config_changed ();
+
+ /** bit-field of log types which should be put into the log (others are ignored) */
+ int _types;
+ boost::signals2::scoped_connection _config_connection;
};
#endif