$NetBSD: patch-ch,v 1.1.1.1 2007/06/14 19:39:46 bouyer Exp $

--- /dev/null	2007-05-27 19:36:35.000000000 +0200
+++ xenstat/libxenstat/src/xenstat_netbsd.c	2007-05-27 19:36:00.000000000 +0200
@@ -0,0 +1,97 @@
+/* libxenstat: statistics-collection library for Xen
+ * Copyright (C) International Business Machines Corp., 2005
+ * Authors: Josh Triplett <josht@us.ibm.com>
+ *          Judy Fischbach <jfisch@us.ibm.com>
+ *          David Hendricks <dhendrix@us.ibm.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ */
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <fcntl.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "xenstat_priv.h"
+
+#define SYSFS_VBD_PATH "/sys/devices/xen-backend/"
+
+struct priv_data {
+	FILE *procnetdev;
+	DIR *sysfsvbd;
+};
+
+static struct priv_data *
+get_priv_data(xenstat_handle *handle)
+{
+	if (handle->priv != NULL)
+		return handle->priv;
+
+	handle->priv = malloc(sizeof(struct priv_data));
+	if (handle->priv == NULL)
+		return (NULL);
+
+	((struct priv_data *)handle->priv)->procnetdev = NULL;
+	((struct priv_data *)handle->priv)->sysfsvbd = NULL;
+
+	return handle->priv;
+}
+
+/* Expected format of /proc/net/dev */
+static const char PROCNETDEV_HEADER[] =
+    "Inter-|   Receive                                                |"
+    "  Transmit\n"
+    " face |bytes    packets errs drop fifo frame compressed multicast|"
+    "bytes    packets errs drop fifo colls carrier compressed\n";
+
+/* Collect information about networks */
+int xenstat_collect_networks(xenstat_node * node)
+{
+	/* XXX fixme: implement code to get stats from libkvm ! */
+	return 1;
+}
+
+/* Free network information in handle */
+void xenstat_uninit_networks(xenstat_handle * handle)
+{
+	struct priv_data *priv = get_priv_data(handle);
+	if (priv != NULL && priv->procnetdev != NULL)
+		fclose(priv->procnetdev);
+}
+
+static int read_attributes_vbd(const char *vbd_directory, const char *what, char *ret, int cap)
+{
+	/* XXX implement */
+	return 0;
+}
+
+/* Collect information about VBDs */
+int xenstat_collect_vbds(xenstat_node * node)
+{
+	return 1;	
+}
+
+/* Free VBD information in handle */
+void xenstat_uninit_vbds(xenstat_handle * handle)
+{
+	struct priv_data *priv = get_priv_data(handle);
+	if (priv != NULL && priv->sysfsvbd != NULL)
+		closedir(priv->sysfsvbd);
+}