Added new files

1 files changed, 160 insertions, 0 deletions

diff --git a/paramano_set.c b/paramano_set.c
new file mode 100644
index 0000000..02b0eef
--- /dev/null
+++ b/paramano_set.c
@@ -0,0 +1,160 @@
+/************************************************************************
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <libintl.h>
+#include <locale.h>
+
+#include "getfreq.h"
+#include "getcore.h"
+#include "common.h"
+
+#define FILE_PATH_STRING_SIZE 100
+
+#define ARG_CORE	0x1
+#define ARG_GOV		0x2
+#define ARG_FREQ	0x4
+typedef struct  {
+	char present;
+	char *core;
+	char *governor;
+	char *frequency;
+} argument_summary;
+
+char write_str_to_file(const char *file, const char *data, const char *core)
+{
+	FILE *fd;
+	char file_path[FILE_PATH_STRING_SIZE];
+
+	// Prepare file path
+	memset(file_path, '\0', sizeof(file_path));
+	sprintf(file_path, "/sys/devices/system/cpu/cpu%d/cpufreq/%s", atoi(core), file );
+
+	// Try to open file and write data to it
+	if ( (fd = fopen(file_path, "w")) != NULL )
+	{
+		debug("Writing '%s' to '%s'\n",data,file_path);
+		fprintf(fd, data);
+		fclose(fd);
+		return 1;
+	}
+
+	// Fallthrough: File couldn't be opened for writing
+	fprintf(stderr, _("FAILED: Couldn't open %s for writing\n") , file_path);
+	return 0;
+}
+
+
+#define set_freq_max(freq,core)		write_str_to_file("scaling_max_freq",freq,core)
+#define set_freq_min(freq,core)		write_str_to_file("scaling_min_freq",freq,core)
+#define set_speed(freq,core)		write_str_to_file("scaling_setspeed",freq,core)
+#define set_gov(gov,core)			write_str_to_file("scaling_governor",gov,core)
+
+void get_argument_summary(int argc, char **argv, argument_summary *argsum)
+{
+	int arg;
+
+	// Check for -{c,g,f} xyz
+	for ( arg = 1; arg < argc-1; arg+=2 )
+	{
+		// Can't have empty argument
+		if ( strlen(argv[arg+1]) != 0 )
+		{
+			if ( strcmp(argv[arg], "-c") == 0 )
+			{
+				// Found -c with an arg
+				debug("Found -c with arg '%s'\n",argv[arg+1]);
+				argsum->present |= ARG_CORE;
+				argsum->core = (char*)(argv[arg+1]);
+				continue;
+			}
+
+			if ( strcmp(argv[arg], "-f") == 0 )
+			{
+				// Found -f with an arg
+				debug("Found -f with arg '%s'\n",argv[arg+1]);
+				argsum->present |= ARG_FREQ;
+				argsum->frequency = (char*)(argv[arg+1]);
+				continue;
+			}
+
+			if ( strcmp(argv[arg], "-g") == 0 )
+			{
+				// Found -g with an arg
+				debug("Found -g with arg '%s'\n",argv[arg+1]);
+				argsum->present |= ARG_GOV;
+				argsum->governor = (char*)(argv[arg+1]);
+				//continue;
+			}
+		}
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	setlocale(LC_ALL,"");
+	bindtextdomain("trayfreq",LOCALEDIR);
+	textdomain("trayfreq");
+
+	debug("Set gettext up\n");
+
+	gc_init();
+	gf_init();
+
+	argument_summary args;
+	memset(&args, 0, sizeof(args));
+
+	// If unusual number of args, give up now
+	if (argc == 5)
+	{
+
+		debug ("Checking UID\n");
+		if (getuid() != 0)
+			fprintf(stderr,"Warning: running as UID %d, not 0\n",getuid() );
+
+		get_argument_summary(argc, argv, &args);
+
+		debug("Correct number of command line arguments\n");
+		debug("-c: %s  -g: %s  -f: %s\n",	(args.present | ARG_CORE )? "Yes":"No",
+											(args.present | ARG_GOV  )? "Yes":"No",
+											(args.present | ARG_FREQ )? "Yes":"No" );
+		debug("Core: %s\n",args.core);
+		debug("Gov : %s\n",args.governor);
+		debug("Freq: %s\n",args.frequency);
+
+		if ( args.present == ( ARG_CORE | ARG_GOV ) )
+		{
+			debug("Changing governor\n");
+			return set_gov(args.governor , args.core);
+		}
+
+		if ( args.present == ( ARG_CORE | ARG_FREQ ) )
+		{
+			debug("Changing frequency\n");
+			return set_gov("userspace", args.core) | set_speed(args.frequency, args.core);
+		}
+	}
+	// Fall through to here if no valid argument combination
+	debug("Fell through, showing command usage\n");
+	fprintf(stderr, _("%s {-f frequency|-g governor} -c core\n"), argv[0] );
+	return 1;
+}