1 files changed, 119 insertions, 0 deletions
diff --git a/src/log.h b/src/log.h
new file mode 100644
index 0000000..6052aaf
--- /dev/null
+++ b/src/log.h
@@ -0,0 +1,119 @@
+/*
+    Copyright (C) 2005-2009  Michel de Boer <michel@twinklephone.com>
+
+    This program 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,
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef _LOG_H
+#define _LOG_H
+
+#include <string>
+#include <fstream>
+#include "threads/mutex.h"
+#include "threads/sema.h"
+#include "threads/thread.h"
+
+using namespace std;
+
+#define LOG_FILENAME    "twinkle.log"
+
+// Severity of a log message
+enum t_log_severity {
+	LOG_INFO,
+	LOG_WARNING,
+	LOG_CRITICAL,
+	LOG_DEBUG
+};
+
+// Message class
+enum t_log_class {
+	LOG_NORMAL,
+	LOG_SIP,
+	LOG_STUN,
+	LOG_MEMORY
+};
+
+class t_log {
+private:
+	/** Maximum length of a logged string (bytes) */
+	static const string::size_type MAX_LEN_LOG_STRING = 1024;
+
+        string          log_filename;
+        ofstream        *log_stream;
+
+	// Mutex for exclusive acces to the log file
+	t_mutex		mtx_log;
+
+	// Indicates if logging is disabled
+	bool		log_disabled;
+	bool		log_report_disabled;
+	
+	// Indicates if the user should be informed about log updates
+	bool		inform_user;
+	
+	// Indicates if new data for the log viewer is available
+	t_semaphore	*sema_logview;
+	
+	// Thread for updating the log viewer
+	t_thread	*thr_logview;
+
+        // Move the current log file to the .old log file
+        bool move_current_to_old(void);
+
+public:
+        t_log();
+        ~t_log();
+
+        // Write a report with header and footer
+        void write_report(const string &report, const string &func_name); // normal, info
+	void write_report(const string &report, const string &func_name,
+		t_log_class log_class, t_log_severity severity = LOG_INFO);
+
+        // Write header
+	// This locks the mtx_log. So you must call write footer to release
+	// the log again!
+        void write_header(const string &func_name); // class normal, severity info
+	void write_header(const string &func_name, t_log_class log_class,
+	                  t_log_severity severity = LOG_INFO);
+
+        // Write footer
+	// This unlocks the mtx_log.
+        void write_footer(void);
+
+        // Write raw data
+        void write_raw(const string &raw);
+        void write_raw(int raw);
+        void write_raw(unsigned int raw);
+        void write_raw(unsigned short raw);
+        void write_raw(unsigned long raw);
+	void write_raw(long raw);
+	void write_bool(bool raw);
+
+        // Write end of line
+        void write_endl(void);
+        
+        // Return the full path name of the log file
+        string get_filename(void) const;
+        
+        // Enable/disable user informs on updates
+        void enable_inform_user(bool on);
+        
+        // Block till log information is available for log viewer
+        void wait_for_log(void);
+};
+
+extern t_log *log_file;
+
+#endif