diff options
Diffstat (limited to 'src/utilities/logger.vala')
| -rw-r--r-- | src/utilities/logger.vala | 168 |
1 files changed, 138 insertions, 30 deletions
diff --git a/src/utilities/logger.vala b/src/utilities/logger.vala index 3108ba3..5334920 100644 --- a/src/utilities/logger.vala +++ b/src/utilities/logger.vala @@ -17,7 +17,7 @@ this program. If not, see <http://www.gnu.org/licenses/>. namespace GnomePie { -///////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////// /// A static class which beautifies the messages of the default logger. /// Some of this code is inspired by plank's written by Robert Dyer. /// Thanks a lot for this project! @@ -29,22 +29,33 @@ public class Logger { /// If these are set to false, the according messages are not shown ///////////////////////////////////////////////////////////////////// - public static bool display_info { get; set; default = true; } - public static bool display_debug { get; set; default = true; } - public static bool display_warning { get; set; default = true; } - public static bool display_error { get; set; default = true; } + private static const bool display_debug = true; + private static const bool display_warning = true; + private static const bool display_error = true; + private static const bool display_message = true; + + ///////////////////////////////////////////////////////////////////// + /// If these are set to false, the according messages are not logged + ///////////////////////////////////////////////////////////////////// + + private static const bool log_debug = false; + private static const bool log_warning = true; + private static const bool log_error = true; + private static const bool log_message = true; ///////////////////////////////////////////////////////////////////// /// If true, a time stamp is shown in each message. ///////////////////////////////////////////////////////////////////// - public static bool display_time { get; set; default = true; } + private static const bool display_time = false; + private static const bool log_time = true; ///////////////////////////////////////////////////////////////////// /// If true, the origin of the message is shown. In form file:line ///////////////////////////////////////////////////////////////////// - public static bool display_file { get; set; default = false; } + private static const bool display_file = false; + private static const bool log_file = false; ///////////////////////////////////////////////////////////////////// /// A regex, used to format the standard message. @@ -53,6 +64,16 @@ public class Logger { private static Regex regex = null; ///////////////////////////////////////////////////////////////////// + /// Limit log and statistics size to roughly 1 MB. + ///////////////////////////////////////////////////////////////////// + + private static const int max_log_length = 1000000; + private static const int max_stats_length = 1000000; + + private static int log_length; + private static int stats_length; + + ///////////////////////////////////////////////////////////////////// /// Possible terminal colors. ///////////////////////////////////////////////////////////////////// @@ -72,20 +93,84 @@ public class Logger { ///////////////////////////////////////////////////////////////////// public static void init() { + log_length = -1; + stats_length = -1; + try { regex = new Regex("""(.*)\.vala(:\d+): (.*)"""); } catch {} - GLib.Log.set_default_handler(log_func); + GLib.Log.set_handler(null, GLib.LogLevelFlags.LEVEL_MASK, log_func); + } + + ///////////////////////////////////////////////////////////////////// + /// Appends a line to the statistics file + ///////////////////////////////////////////////////////////////////// + + public static void stats(string line) { + var stats = GLib.FileStream.open(Paths.stats, "a"); + + if (stats != null) { + if (stats_length == -1) + stats_length = (int)stats.tell(); + + string final_line = "[" + get_time() + "] " + line + "\n"; + stats.puts(final_line); + stats_length += final_line.length; + } + + if (stats_length > max_stats_length) { + string content = ""; + + try { + GLib.FileUtils.get_contents(Paths.stats, out content); + int split_index = content.index_of_char('\n', stats_length - (int)(max_stats_length*0.9)); + GLib.FileUtils.set_contents(Paths.stats, content.substring(split_index+1)); + + stats_length -= (split_index+1); + } catch (GLib.FileError e) {} + } + } + + ///////////////////////////////////////////////////////////////////// + /// Appends a line to the log file + ///////////////////////////////////////////////////////////////////// + + private static void write_log_line(string line) { + var log = GLib.FileStream.open(Paths.log, "a"); + + if (log != null) { + if (log_length == -1) + log_length = (int)log.tell(); + + log.puts(line); + log_length += line.length; + } + + if (log_length > max_log_length) { + string content = ""; + + try { + GLib.FileUtils.get_contents(Paths.log, out content); + int split_index = content.index_of_char('\n', log_length - (int)(max_log_length*0.9)); + GLib.FileUtils.set_contents(Paths.log, content.substring(split_index+1)); + + log_length -= (split_index+1); + } catch (GLib.FileError e) {} + } } ///////////////////////////////////////////////////////////////////// - /// Displays an Info message. + /// Displays a message. ///////////////////////////////////////////////////////////////////// - private static void info(string message) { - if (display_info) { - stdout.printf(set_color(Color.GREEN, false) + "[" + get_time() + "MESSAGE]" + message); + private static void message(string message, string message_log) { + if (display_message) { + stdout.printf(set_color(Color.GREEN, false) + "[" + (display_time ? get_time() + " " : "") + "MESSAGE]" + message); + } + + if (log_message) { + write_log_line("[" + (log_time ? get_time() + " " : "") + "MESSAGE]" + message_log); } } @@ -93,9 +178,13 @@ public class Logger { /// Displays a Debug message. ///////////////////////////////////////////////////////////////////// - private static void debug(string message) { + private static void debug(string message, string message_log) { if (display_debug) { - stdout.printf(set_color(Color.BLUE, false) + "[" + get_time() + " DEBUG ]" + message); + stdout.printf(set_color(Color.BLUE, false) + "[" + (display_time ? get_time() + " " : "") + " DEBUG ]" + message); + } + + if (log_debug) { + write_log_line("[" + (log_time ? get_time() + " " : "") + " DEBUG ]" + message_log); } } @@ -103,9 +192,13 @@ public class Logger { /// Displays a Warning message. ///////////////////////////////////////////////////////////////////// - private static void warning(string message) { + private static void warning(string message, string message_log) { if (display_warning) { - stdout.printf(set_color(Color.YELLOW, false) + "[" + get_time() + "WARNING]" + message); + stdout.printf(set_color(Color.YELLOW, false) + "[" + (display_time ? get_time() + " " : "") + "WARNING]" + message); + } + + if (log_warning) { + write_log_line("[" + (log_time ? get_time() + " " : "") + "WARNING]" + message_log); } } @@ -113,9 +206,13 @@ public class Logger { /// Displays a Error message. ///////////////////////////////////////////////////////////////////// - private static void error(string message) { + private static void error(string message, string message_log) { if (display_error) { - stdout.printf(set_color(Color.RED, false) + "[" + get_time() + " ERROR ]" + message); + stdout.printf(set_color(Color.RED, false) + "[" + (display_time ? get_time() + " " : "") + " ERROR ]" + message); + } + + if (log_error) { + write_log_line("[" + (log_time ? get_time() + " " : "") + " ERROR ]" + message_log); } } @@ -141,12 +238,8 @@ public class Logger { ///////////////////////////////////////////////////////////////////// private static string get_time() { - if (display_time) { - var now = new DateTime.now_local (); - return "%.2d:%.2d:%.2d:%.6d ".printf (now.get_hour (), now.get_minute (), now.get_second (), now.get_microsecond ()); - } else { - return ""; - } + var now = new DateTime.now_local(); + return "%.4d:%.2d:%.2d:%.2d:%.2d:%.2d:%.6d".printf(now.get_year(), now.get_month(), now.get_day_of_month(), now.get_hour(), now.get_minute(), now.get_second(), now.get_microsecond()); } ///////////////////////////////////////////////////////////////////// @@ -166,26 +259,41 @@ public class Logger { } ///////////////////////////////////////////////////////////////////// + /// Helper method to format the message for logging. + ///////////////////////////////////////////////////////////////////// + + private static string create_log_message(string message) { + if (log_file && regex != null && regex.match(message)) { + var parts = regex.split(message); + return " [%s%s] %s\n".printf(parts[1], parts[2], parts[3]); + } else if (regex != null && regex.match(message)) { + var parts = regex.split(message); + return " %s\n".printf(parts[3]); + } else { + return " " + message + "\n"; + } + } + + ///////////////////////////////////////////////////////////////////// /// The handler function. ///////////////////////////////////////////////////////////////////// - private static void log_func(string? d, LogLevelFlags flags, string message) { - + private static void log_func(string? d, LogLevelFlags flags, string text) { switch (flags) { case LogLevelFlags.LEVEL_ERROR: case LogLevelFlags.LEVEL_CRITICAL: - error(create_message(message)); + error(create_message(text), create_log_message(text)); break; case LogLevelFlags.LEVEL_INFO: case LogLevelFlags.LEVEL_MESSAGE: - info(create_message(message)); + message(create_message(text), create_log_message(text)); break; case LogLevelFlags.LEVEL_DEBUG: - debug(create_message(message)); + debug(create_message(text), create_log_message(text)); break; case LogLevelFlags.LEVEL_WARNING: default: - warning(create_message(message)); + warning(create_message(text), create_log_message(text)); break; } } |