Tidy up logging a bit. Make it configurable from the GUI.

[dcpomatic.git] / src / lib / log.cc

diff --git a/src/lib/log.cc b/src/lib/log.cc
index ef36a902cbbc76027982bc8a054630ca1e693d38..be32315d108a5bad7c84d49dd8c5a858f452fa39 100644 (file)
--- a/src/lib/log.cc
+++ b/src/lib/log.cc
@@ -21,27 +21,44 @@
  *  @brief A very simple logging class.
  */
 
-#include <fstream>
 #include <time.h>
+#include <cstdio>
+#include <boost/algorithm/string.hpp>
 #include "log.h"
+#include "cross.h"
+#include "config.h"
 
 #include "i18n.h"
 
 using namespace std;
+using boost::algorithm::is_any_of;
+using boost::algorithm::split;
+
+int const Log::GENERAL = 0x1;
+int const Log::WARNING = 0x2;
+int const Log::ERROR   = 0x4;
+int const Log::TIMING  = 0x8;
 
 Log::Log ()
-       : _level (STANDARD)
+       : _types (0)
 {
+       Config::instance()->Changed.connect (boost::bind (&Log::config_changed, this));
+       config_changed ();
+}
 
+void
+Log::config_changed ()
+{
+       set_types (Config::instance()->log_types ());
 }
 
 /** @param n String to log */
 void
-Log::log (string m, Level l)
+Log::log (string message, int type)
 {
        boost::mutex::scoped_lock lm (_mutex);
 
-       if (l > _level) {
+       if ((_types & type) == 0) {
                return;
        }
 
@@ -50,16 +67,26 @@ Log::log (string m, Level l)
        string a = ctime (&t);
 
        stringstream s;
-       s << a.substr (0, a.length() - 1) << N_(": ") << m;
+       s << a.substr (0, a.length() - 1) << N_(": ");
+
+       if (type & ERROR) {
+               s << "ERROR: ";
+       }
+
+       if (type & WARNING) {
+               s << "WARNING: ";
+       }
+       
+       s << message;
        do_log (s.str ());
 }
 
 void
-Log::microsecond_log (string m, Level l)
+Log::microsecond_log (string m, int t)
 {
        boost::mutex::scoped_lock lm (_mutex);
 
-       if (l > _level) {
+       if ((_types & t) == 0) {
                return;
        }
 
@@ -72,28 +99,38 @@ Log::microsecond_log (string m, Level l)
 }      
 
 void
-Log::set_level (Level l)
+Log::set_types (int t)
 {
        boost::mutex::scoped_lock lm (_mutex);
-       _level = l;
+       _types = t;
 }
 
+/** @param A comma-separate list of debug types to enable */
 void
-Log::set_level (string l)
+Log::set_types (string t)
 {
-       if (l == N_("verbose")) {
-               set_level (VERBOSE);
-               return;
-       } else if (l == N_("timing")) {
-               set_level (TIMING);
-               return;
-       }
+       boost::mutex::scoped_lock lm (_mutex);
 
-       set_level (STANDARD);
+       vector<string> types;
+       split (types, t, is_any_of (","));
+
+       _types = 0;
+
+       for (vector<string>::const_iterator i = types.begin(); i != types.end(); ++i) {
+               if (*i == N_("general")) {
+                       _types |= GENERAL;
+               } else if (*i == N_("warning")) {
+                       _types |= WARNING;
+               } else if (*i == N_("error")) {
+                       _types |= ERROR;
+               } else if (*i == N_("timing")) {
+                       _types |= TIMING;
+               }
+       }
 }
 
 /** @param file Filename to write log to */
-FileLog::FileLog (string file)
+FileLog::FileLog (boost::filesystem::path file)
        : _file (file)
 {
 
@@ -102,7 +139,13 @@ FileLog::FileLog (string file)
 void
 FileLog::do_log (string m)
 {
-       ofstream f (_file.c_str(), fstream::app);
-       f << m << N_("\n");
+       FILE* f = fopen_boost (_file, "a");
+       if (!f) {
+               cout << "(could not log to " << _file.string() << "): " << m << "\n";
+               return;
+       }
+
+       fprintf (f, "%s\n", m.c_str ());
+       fclose (f);
 }