Clean-ups

1 files changed, 127 insertions, 0 deletions

diff --git a/getgov.c b/getgov.c
new file mode 100644
index 0000000..197df1c
--- /dev/null
+++ b/getgov.c
@@ -0,0 +1,127 @@
+/************************************************************************
+ * This file is part of trayfreq-archlinux.                             *
+ *                                                                      *
+ * trayfreq-archlinux is free software; you can redistribute it and/or  *
+ * modify it under the terms of the GNU General Public License as       *
+ * published by the Free Software Foundation; either version 3 of the   *
+ * License, or (at your option) any later version.                      *
+ *                                                                      *
+ * trayfreq-archlinux is distributed in the hope that it will be useful,*
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
+ * GNU General Public License for more details.                         *
+ *                                                                      *
+ * You should have received a copy of the GNU General Public License    *
+ * along with trayfreq-archlinux. If not, see                           *
+ * <http://www.gnu.org/licenses/>.                                      *
+ ************************************************************************/
+
+#include "string.h"
+#include "getgov.h"
+#include "getcore.h"
+#include "common.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+
+/* [CORE][GOVERNOR NUMBER] */
+char governors[999][50][13];
+int total_governors;
+
+/***********************************************************************
+ * Grab all available governors
+ **********************************************************************/
+void gg_init()
+{
+	gchar gov_string[500];
+	int i = 0;
+	total_governors = 0;
+	for(i = 0; i < gc_number(); ++i)
+	{
+		memset(gov_string, '\0', sizeof(gov_string) );
+		gg_available(i, gov_string, sizeof(gov_string) );
+
+		// go through every governor in gov_string
+		gchar* curr = (char*)&gov_string;
+		gchar* end_of_curr = g_strstr_len(curr, strlen(curr), " ");
+		while(end_of_curr)
+		{
+			memset(governors[i][total_governors], '\0', 13);
+			memmove(governors[i][total_governors], curr, end_of_curr - curr);
+
+			curr = end_of_curr+1;
+			end_of_curr = g_strstr_len(curr, strlen(curr), " ");
+			total_governors++;
+		}
+	}
+}
+
+
+/***********************************************************************
+ * Populate out with current governor for core
+ **********************************************************************/
+int gg_current(int core, char* out, int size)
+{
+	FILE* fd;
+	char path[FILE_PATH_SIZE];
+
+	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor", core);
+
+	if(!(fd = fopen(path, "r")))
+	{
+		debug("Couldn't open '%s'\n",path);
+		return -1;
+	}
+
+	fgets(out, size, fd);
+	// Chomp
+	gchar* newline = g_strrstr(out, "\n");
+	*newline = '\0';
+
+	debug("Current gov for core %d is '%s'\n",core,out);
+
+	fclose(fd);
+	return 0;
+}
+
+
+/***********************************************************************
+ * Populate out with number of available cores
+ **********************************************************************/
+int gg_available(int core, char* out, int size)
+{
+	FILE* fd;
+	char path[80];
+
+	sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_available_governors", core);
+
+	if(!(fd = fopen(path, "r")))
+	{
+		debug("Couldn't open '%s'\n",path);
+		return -1;
+	}
+
+	fgets(out, size, fd);
+
+	fclose(fd);
+	return 0;
+}
+
+
+/***********************************************************************
+ * Return pointer to name of gov
+ **********************************************************************/
+char* gg_gov(int core, int index)
+{
+	return governors[core][index];
+}
+
+/***********************************************************************
+ * Return total number of governors
+ **********************************************************************/
+int gg_number()
+{
+	return total_governors;
+}