CPU model name is now visible from Javscript

js-device-cpu.c

@@ -0,0 +1,131 @@
+#include <glib.h>
+#include <gio/gio.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static char* g_cpuModelName = NULL;
+
+
+gboolean device_cpu_init(void)
+{
+  GFile* fin = NULL;
+  GFileInputStream* input = NULL;
+  GDataInputStream* dataInput = NULL;
+  GError* error = NULL;
+  char* buffer = NULL;
+  gsize bufferSize;
+  gboolean tokenFound = FALSE;
+
+  if (g_cpuModelName != NULL)
+    return TRUE;
+
+  fin = g_file_new_for_path("/proc/cpuinfo");
+  if (fin == NULL)
+    {
+      fprintf(stderr, "Jolicloud-DisplayManager: Unable to initialize a GFile\n");
+      return FALSE;
+    }
+
+  input = g_file_read(fin, NULL, &error);
+  if (input == NULL)
+    {
+      fprintf(stderr, "Jolicloud-DisplayManager: Failed while open '/proc/cpuinfo' [%s]\n", error->message);
+      goto onError;
+    }
+
+  dataInput = g_data_input_stream_new(G_INPUT_STREAM(input));
+  if (dataInput == NULL)
+    {
+      fprintf(stderr, "Jolicloud-DisplayManager: Unable to initialize a data stream\n");
+      goto onError;
+    }
+
+  while (tokenFound == FALSE && (buffer = g_data_input_stream_read_line(dataInput, &bufferSize, NULL, &error)) != NULL)
+    {
+      if (*buffer)
+	{
+	  gchar** tokens = g_strsplit(buffer, ":", 0);
+
+	  if (tokens != NULL)
+	    {
+	      if (tokens[0] != NULL && tokens[1] != NULL)
+		{
+		  gchar* key = g_strstrip(tokens[0]);
+		  gchar* value = g_strstrip(tokens[1]);
+
+		  if (!g_strcasecmp(key, "model name") && value != NULL)
+		    {
+		      g_cpuModelName = g_strdup(value);
+		      tokenFound = TRUE;
+		    }
+		}
+
+	      g_strfreev(tokens);
+	    }
+	}
+
+      g_free(buffer);
+    }
+
+  if (error != NULL)
+    {
+      fprintf(stderr, "Jolicloud-DisplayManager: Failed to read '/proc/cpuinfo' [%s]\n", error->message);
+      goto onError;
+    }
+
+  g_object_unref(dataInput);
+  g_input_stream_close(G_INPUT_STREAM(input), NULL, NULL);
+  g_object_unref(fin);
+
+  return TRUE;
+
+ onError:
+
+  if (error != NULL)
+    g_error_free(error);
+
+  if (dataInput != NULL)
+    g_object_unref(dataInput);
+
+  if (input != NULL)
+    g_input_stream_close(G_INPUT_STREAM(input), NULL, NULL);
+
+  if (fin != NULL)
+    g_object_unref(fin);
+
+  return FALSE;
+}
+
+
+void device_cpu_cleanup(void)
+{
+  if (g_cpuModelName != NULL)
+    {
+      g_free(g_cpuModelName);
+      g_cpuModelName = NULL;
+    }
+}
+
+
+const char* device_cpu_model_name_get(void)
+{
+  return g_cpuModelName;
+}
+
+
+
+/* int main(int ac, char** av) */
+/* { */
+/*   g_type_init(); */
+
+/*   device_cpu_init(); */
+
+/*   printf("model name [%s]\n", device_cpu_model_name_get()); */
+
+/*   device_cpu_cleanup(); */
+
+/*   return 0; */
+/* } */

js-device-cpu.h

@@ -0,0 +1,12 @@
+#ifndef _JS_DEVICE_CPU_H_
+# define _JS_DEVICE_CPU_H_
+
+gboolean device_cpu_init(void);
+
+void device_cpu_cleanup();
+
+
+const char* device_cpu_model_name_get(void);
+
+
+#endif /* _JS_DEVICE_CPU_H_ */