From 77e9488cbb0c4c7dbb55470ec4cf2bbbe35a5d8d Mon Sep 17 00:00:00 2001
From: Sebastian Reichel <sre@ring0.de>
Date: Sun, 22 Jul 2012 11:07:44 +0200
Subject: support logging into file

---
 log.vala        | 39 +++++++++++++++++++++++++++++++++++++++
 main.vala       | 16 ++++++++++------
 microcopter.cfg |  1 +
 3 files changed, 50 insertions(+), 6 deletions(-)
 create mode 100644 log.vala

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;
+	}
+}
diff --git a/main.vala b/main.vala
index 76fd3ab..d398367 100644
--- a/main.vala
+++ b/main.vala
@@ -27,9 +27,10 @@ Kinematics kinematics;
 bool loop() {
 	try {
 		/* TODO: get sensor values */
+		/* TODO: get remote control values */
 		/* TODO: update kinematics */
 
-		flightCtrl.process();
+		//flightCtrl.process();
 	} catch(Error e) {
 		stderr.printf("%s\n", e.message);
 	}
@@ -38,14 +39,17 @@ bool loop() {
 }
 
 int main(string[] args) {
+	Environment.set_prgname("microcopterd");
+
 	try {
 		cfg = new Config();
+		Log.init();
 
-		gyroscope     = cfg.get_gyroscope();
-		accelerometer = cfg.get_accelerometer();
-		compass       = cfg.get_compass();
-		barometer     = cfg.get_barometer();
-		motorCtrl     = cfg.get_motor_controller();
+		//gyroscope     = cfg.get_gyroscope();
+		//accelerometer = cfg.get_accelerometer();
+		//compass       = cfg.get_compass();
+		//barometer     = cfg.get_barometer();
+		//motorCtrl     = cfg.get_motor_controller();
 		model         = cfg.get_model();
 		receiver      = cfg.get_receiver();
 
diff --git a/microcopter.cfg b/microcopter.cfg
index 373c44a..70441a7 100644
--- a/microcopter.cfg
+++ b/microcopter.cfg
@@ -6,6 +6,7 @@ gyroscope = ITG3200
 accelerometer = ADXL345
 compass = HMC5843
 barometer = BMP085
+logfile = microcopterd.log
 
 [ITG3200]
 i2c-adapter = 3
-- 
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