support logging into file

1 files changed, 39 insertions, 0 deletions

diff --git a/log.vala b/log.vala
new file mode 100644
index 0000000..a4f9842
--- /dev/null
+++ b/log.vala
@@ -0,0 +1,39 @@
+namespace Log {
+	private unowned FileStream file;
+	private FileStream fileowner;
+
+	public void init() {
+		set_file(cfg.get_string("config", "logfile"));
+		GLib.Log.set_default_handler(log_handler);
+	}
+
+	private void log_handler(string? domain, LogLevelFlags flags, string message) {
+		TimeVal time = {0};
+		time.get_current_time();
+		string s = "%.10ld | %15s | %s\n".printf(time.tv_usec, domain, message);
+
+		if(file != null) {
+			file.printf(s);
+			file.flush();
+		}
+	}
+
+	public bool set_file(string filename) {
+		switch(filename) {
+			case "stdout":
+				file = stdout;
+				break;
+			case "stderr":
+				file = stderr;
+				break;
+			default:
+				fileowner = FileStream.open(filename, "a");
+				file = fileowner;
+				break;
+		}
+
+		if(file == null)
+			return false;
+		return true;
+	}
+}