Add support for reading RFKILL events
[connman] / src / rfkill.c
index 97a6592..efe979c 100644 (file)
 #include <config.h>
 #endif
 
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+
 #include "connman.h"
+
+static gboolean rfkill_event(GIOChannel *chan,
+                               GIOCondition cond, gpointer data)
+{
+       unsigned char buf[32];
+       gsize len;
+       GIOError err;
+
+       if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
+               return FALSE;
+
+       memset(buf, 0, sizeof(buf));
+
+       err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
+       if (err) {
+               if (err == G_IO_ERROR_AGAIN)
+                       return TRUE;
+               return FALSE;
+       }
+
+       /* process RFKILL event */
+
+       return TRUE;
+}
+
+static GIOChannel *channel = NULL;
+
+int __connman_rfkill_init(void)
+{
+       int fd;
+
+       DBG("");
+
+       fd = open("/dev/rfkill", O_RDWR);
+       if (fd < 0) {
+               connman_error("Failed to open RFKILL control device");
+               return -EIO;
+       }
+
+       channel = g_io_channel_unix_new(fd);
+       g_io_channel_set_close_on_unref(channel, TRUE);
+
+       g_io_add_watch(channel, G_IO_IN | G_IO_NVAL | G_IO_HUP | G_IO_ERR,
+                                                       rfkill_event, NULL);
+
+       return 0;
+}
+
+void __connman_rfkill_cleanup(void)
+{
+       DBG("");
+
+       if (channel == NULL)
+               return;
+
+       g_io_channel_shutdown(channel, TRUE, NULL);
+       g_io_channel_unref(channel);
+
+       channel = NULL;
+}