Added support for configfile /etc/mbpfan.conf

AUTHORS

@@ -1,12 +1,12 @@
 MAINTAINERS AND CONTRIBUTORS
 ----------------------------
 
-Daniel Graziotin	<dgraziotin AT task3 DOT cc>
-CeRiAl				<ikhatib AT imail DOT de>
+Daniel Graziotin        <dgraziotin AT task3 DOT cc>
+Ismail Khatib           <ikhatib AT gmail DOT com>
 
 
 ORIGINARY AUTHORS
 -----------------
 
-Allan McRae mbpfan 	<http://allanmcrae.com/2010/05/simple-macbook-pro-fan-daemon>
-rvega	<https://github.com/rvega/Fan-Control-Daemon>
+Allan McRae mbpfan      <http://allanmcrae.com/2010/05/simple-macbook-pro-fan-daemon>
+rvega                   <https://github.com/rvega/Fan-Control-Daemon>

Makefile

@@ -5,6 +5,7 @@ C = c
 OUTPUT_PATH = bin/
 SOURCE_PATH = src/
 EXE = bin/mbpfan
+CONF = mbpfan.conf
 
 ifeq ($(COMPILER), G++)
   ifeq ($(OS),Windows_NT)
@@ -55,12 +56,29 @@ clean:
 
 install:
 	cp $(EXE) /usr/sbin
+	cp -n $(CONF) /etc
 	@echo "-----------------------------------------------------------------------------"
-	@echo "An init file suitable for /lib/lsb/init-functions (Debian & Ubuntu fur sure)"
-	@echo "Is located in the main folder of the source files. It is called mbpfan.init."
+	@echo "An init file suitable for /lib/lsb/init-functions (Debian & Ubuntu for sure)"
+	@echo "is located in the main folder of the source files, called mbpfan.init.debian"
 	@echo "Rename it to mbpfan, give it execution permissions (chmod +x mbpfan)"
 	@echo "and move it to /etc/init.d"
 	@echo "Then, add it to the default runlevels with sudo update-rc.d mbpfan defaults"
+	@echo ""
+	@echo "Additionally, an init file suitable for /etc/rc.d/init.d/functions"
+	@echo "(RHEL/CentOS & Fedora) is also located at the same place, this file is called"
+	@echo "mbpfan.init.redhat. Also rename it to mbpfan, give it execution permissions"
+	@echo "and move it to /etc/init.d"
+	@echo "To add the script to the default runlevels, run the following as root:"
+	@echo "chkconfig --level 2345 mbpfan on && chkconfig --level 016 mbpfan off"
+	@echo ""
+	@echo "As a special bonus, a service file for systemd is also included. To use it,"
+	@echo "execute the following as root:"
+	@echo "cp mbpfan.service /usr/lib/systemd/system"
+	@echo "ln -s /usr/lib/systemd/system/mbpfan.service /etc/systemd/system/mbpfan.service"
+	@echo "systemctl daemon-reload"
+	@echo "systemctl start mbpfan.service"
+	@echo "To start the service automatically at boot, also execute the following:"
+	@echo "systemctl enable mbpfan.service"
 	@echo "-----------------------------------------------------------------------------"
 
 rebuild: clean all

mbpfan.conf

@@ -0,0 +1,7 @@
+[general]
+min_fan_speed = 2000	# default is 2000
+max_fan_speed = 6200	# default is 6200
+low_temp = 63			# try ranges 55-63, default is 63
+high_temp = 66			# try ranges 58-66, default is 66
+max_temp = 86			# do not set it > 90, default is 86
+polling_interval = 7	# default is 7

src/daemon.c

@@ -1,6 +1,7 @@
 /**
  *  Copyright (C) 2012  Peter Lombardo <http://peterlombardo.wikidot.com/linux-daemon-in-c>
  *  Modifications (2012) by Daniel Graziotin <[email protected]>
+ *  Modifications (2012) by Ismail Khatib <[email protected]>
  *
  *  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
@@ -162,23 +163,23 @@ void go_daemon(void (*fan_control)())
     {
       if (verbose)
         {
-          printf("Writing a new .pid file with value %d at: %s", current_pid, program_pid);
+          printf("Writing a new .pid file with value %d at: %s\n", current_pid, program_pid);
           syslog(LOG_INFO, "Writing a new .pid file with value %d at: %s", current_pid, program_pid);
         }
       if (write_pid(current_pid) == 0)
         {
           syslog(LOG_ERR, "Can not create a .pid file at: %s. Aborting", program_pid);
           if (verbose)
             {
-              printf("ERROR: Can not create a .pid file at: %s. Aborting", program_pid);
+              printf("ERROR: Can not create a .pid file at: %s. Aborting\n", program_pid);
             }
           exit(EXIT_FAILURE);
         }
       else
         {
           if (verbose)
             {
-              printf("Successfully written a new .pid file with value %d at: %s", current_pid, program_pid);
+              printf("Successfully written a new .pid file with value %d at: %s\n", current_pid, program_pid);
               syslog(LOG_INFO, "Successfully written a new .pid file with value %d at: %s", current_pid, program_pid);
             }
         }

src/mbpfan.c

@@ -3,6 +3,7 @@
  *  Copyright (C) 2010  Allan McRae <[email protected]>
  *  Modifications by Rafael Vega <[email protected]>
  *  Modifications (2012) by Daniel Graziotin <[email protected]>
+ *  Modifications (2012) by Ismail Khatib <[email protected]>
  *
  *  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
@@ -24,7 +25,8 @@
  *
  *  Tested models:
  *    MacBook Pro 8.1 13"  (Intel i7 - Linux 3.2)
- *    Macbook Pro 6,2 15"  (Intel i7 - Linux 3.2)
+ *    MacBook Pro 6,2 15"  (Intel i7 - Linux 3.2)
+ *    MacBook Pro 2,2 15"  (Intel Core 2 Duo - Linux 3.4.4)
  */
 
 
@@ -36,6 +38,7 @@
 #include <syslog.h>
 #include "mbpfan.h"
 #include "global.h"
+#include "settings.h"
 
 /* lazy min/max... */
 #define min(a,b) a < b ? a : b
@@ -273,19 +276,72 @@ void mbpfan()
   int old_temp, new_temp, fan_speed, steps;
   int temp_change;
   int step_up, step_down;
+  FILE *f = NULL;
+  Settings *settings = NULL;
+  int result = 0;
 
   t_sensors* sensors = retrieve_sensors();
   set_fans_man(sensors);
   new_temp = get_temp(sensors);
   fan_speed = 2000;
   set_fan_speed(sensors, fan_speed);
 
+  f = fopen("/etc/mbpfan.conf", "r");
+  if (f == NULL)
+    {
+      /* Could not open configfile */
+      if(verbose)
+        {
+          printf("Couldn't open configfile, using defaults\n");
+          if(daemonize)
+            {
+              syslog(LOG_INFO, "Couldn't open configfile, using defaults");
+            }
+        }
+    }
+  else
+    {
+      settings = settings_open(f);
+      fclose(f);
+      if (settings == NULL)
+        {
+          /* Could not read configfile */
+          if(verbose)
+            {
+              printf("Couldn't read configfile\n");
+              if(daemonize)
+                {
+                  syslog(LOG_INFO, "Couldn't read configfile");
+                }
+            }
+        }
+      else
+        {
+          /* Read configfile values */
+          result = settings_get_int(settings, "general", "min_fan_speed");
+          if (result != 0) min_fan_speed = result;
+          result = settings_get_int(settings, "general", "max_fan_speed");
+          if (result != 0) max_fan_speed = result;
+          result = settings_get_int(settings, "general", "low_temp");
+          if (result != 0) low_temp = result;
+          result = settings_get_int(settings, "general", "high_temp");
+          if (result != 0) high_temp = result;
+          result = settings_get_int(settings, "general", "max_temp");
+          if (result != 0) max_temp = result;
+          result = settings_get_int(settings, "general", "polling_interval");
+          if (result != 0) polling_interval = result;
+
+          /* Destroy the settings object */
+          settings_delete(settings);
+        }
+    }
+
   if(verbose)
     {
       printf("Sleeping for %d seconds\n", polling_interval);
       if(daemonize)
         {
-          syslog(LOG_INFO, "Sleeping for %d seconds\n", polling_interval);
+          syslog(LOG_INFO, "Sleeping for %d seconds", polling_interval);
         }
     }
   sleep(polling_interval);
@@ -330,7 +386,7 @@ void mbpfan()
           printf("Old Temp %d: New Temp: %d, Fan Speed: %d\n", old_temp, new_temp, fan_speed);
           if(daemonize)
             {
-              syslog(LOG_INFO, "Old Temp %d: New Temp: %d, Fan Speed: %d\n", old_temp, new_temp, fan_speed);
+              syslog(LOG_INFO, "Old Temp %d: New Temp: %d, Fan Speed: %d", old_temp, new_temp, fan_speed);
             }
         }
 
@@ -341,7 +397,7 @@ void mbpfan()
           printf("Sleeping for %d seconds\n", polling_interval);
           if(daemonize)
             {
-              syslog(LOG_INFO, "Sleeping for %d seconds\n", polling_interval);
+              syslog(LOG_INFO, "Sleeping for %d seconds", polling_interval);
             }
         }
       sleep(polling_interval);