1 files changed, 199 insertions, 0 deletions
diff --git a/cpufreq/src/cpufreq-monitor-libcpufreq.c b/cpufreq/src/cpufreq-monitor-libcpufreq.c
new file mode 100644
index 00000000..494d9a66
--- /dev/null
+++ b/cpufreq/src/cpufreq-monitor-libcpufreq.c
@@ -0,0 +1,199 @@
+/*
+ * MATE CPUFreq Applet
+ * Copyright (C) 2004 Carlos Garcia Campos <[email protected]>
+ *
+ * This library 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 2 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Authors : Carlos Garc�a Campos <[email protected]>
+ */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <stdlib.h>
+#include <cpufreq.h>
+
+#include "cpufreq-monitor-libcpufreq.h"
+#include "cpufreq-utils.h"
+
+static void cpufreq_monitor_libcpufreq_class_init (CPUFreqMonitorLibcpufreqClass *klass);
+
+static gboolean cpufreq_monitor_libcpufreq_run (CPUFreqMonitor *monitor);
+static GList *cpufreq_monitor_libcpufreq_get_available_frequencies (CPUFreqMonitor *monitor);
+static GList *cpufreq_monitor_libcpufreq_get_available_governors (CPUFreqMonitor *monitor);
+
+G_DEFINE_TYPE (CPUFreqMonitorLibcpufreq, cpufreq_monitor_libcpufreq, CPUFREQ_TYPE_MONITOR)
+
+typedef struct cpufreq_policy CPUFreqPolicy;
+typedef struct cpufreq_available_frequencies CPUFreqFrequencyList;
+typedef struct cpufreq_available_governors CPUFreqGovernorList;
+
+static void
+cpufreq_monitor_libcpufreq_init (CPUFreqMonitorLibcpufreq *monitor)
+{
+}
+
+static GObject *
+cpufreq_monitor_libcpufreq_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ gulong max_freq, min_freq;
+ guint cpu;
+
+ object = G_OBJECT_CLASS (
+ cpufreq_monitor_libcpufreq_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
+ g_object_get (G_OBJECT (object),
+ "cpu", &cpu,
+ NULL);
+ 
+ if (cpufreq_get_hardware_limits (cpu, &min_freq, &max_freq) != 0) {
+ g_warning ("Error getting CPUINFO_MAX\n");
+ max_freq = -1;
+ }
+
+ g_object_set (G_OBJECT (object),
+ "max-frequency", max_freq,
+ NULL);
+
+ return object;
+}
+
+static void
+cpufreq_monitor_libcpufreq_class_init (CPUFreqMonitorLibcpufreqClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ CPUFreqMonitorClass *monitor_class = CPUFREQ_MONITOR_CLASS (klass);
+
+ object_class->constructor = cpufreq_monitor_libcpufreq_constructor;
+ 
+ monitor_class->run = cpufreq_monitor_libcpufreq_run;
+ monitor_class->get_available_frequencies = cpufreq_monitor_libcpufreq_get_available_frequencies;
+ monitor_class->get_available_governors = cpufreq_monitor_libcpufreq_get_available_governors;
+}
+
+CPUFreqMonitor *
+cpufreq_monitor_libcpufreq_new (guint cpu)
+{
+ CPUFreqMonitorLibcpufreq *monitor;
+
+ monitor = g_object_new (CPUFREQ_TYPE_MONITOR_LIBCPUFREQ,
+ "cpu", cpu, NULL);
+
+ return CPUFREQ_MONITOR (monitor);
+}
+
+static gboolean
+cpufreq_monitor_libcpufreq_run (CPUFreqMonitor *monitor)
+{
+ guint cpu;
+ CPUFreqPolicy *policy;
+
+ g_object_get (G_OBJECT (monitor), "cpu", &cpu, NULL);
+
+ policy = cpufreq_get_policy (cpu);
+ if (!policy) {
+ /* Check whether it failed because
+ * cpu is not online.
+ */
+ if (!cpufreq_cpu_exists (cpu)) {
+ g_object_set (G_OBJECT (monitor), "online", FALSE, NULL);
+ return TRUE;
+ }
+ return FALSE;
+ }
+
+ g_object_set (G_OBJECT (monitor),
+ "online", TRUE,
+ "governor", policy->governor,
+ "frequency", cpufreq_get_freq_kernel (cpu),
+ NULL);
+
+ cpufreq_put_policy (policy);
+ 
+ return TRUE;
+}
+
+static gint
+compare (gconstpointer a, gconstpointer b)
+{
+ gint aa, bb;
+
+ aa = atoi ((gchar *) a);
+ bb = atoi ((gchar *) b);
+
+ if (aa == bb)
+ return 0;
+ else if (aa > bb)
+ return -1;
+ else
+ return 1;
+}
+
+static GList *
+cpufreq_monitor_libcpufreq_get_available_frequencies (CPUFreqMonitor *monitor)
+{
+ GList *list = NULL;
+ guint cpu;
+ CPUFreqFrequencyList *freqs, *freq;
+
+ g_object_get (G_OBJECT (monitor),
+ "cpu", &cpu, NULL);
+
+ freqs = cpufreq_get_available_frequencies (cpu);
+ if (!freqs)
+ return NULL;
+
+ for (freq = freqs; freq; freq = freq->next) {
+ gchar *frequency;
+
+ frequency = g_strdup_printf ("%lu", freq->frequency);
+ 
+ if (!g_list_find_custom (list, frequency, compare))
+ list = g_list_prepend (list, frequency);
+ else
+ g_free (frequency);
+ }
+
+ cpufreq_put_available_frequencies (freqs);
+
+ return g_list_sort (list, compare);
+}
+
+static GList *
+cpufreq_monitor_libcpufreq_get_available_governors (CPUFreqMonitor *monitor)
+{
+ guint cpu;
+ GList *list = NULL;
+ CPUFreqGovernorList *govs, *gov;
+
+ g_object_get (G_OBJECT (monitor),
+ "cpu", &cpu, NULL);
+ 
+ govs = cpufreq_get_available_governors (cpu);
+ if (!govs)
+ return NULL;
+
+ for (gov = govs; gov; gov = gov->next) {
+ list = g_list_prepend (list, g_strdup (gov->governor));
+ }
+
+ cpufreq_put_available_governors (govs);
+
+ return list;
+}