Another sample devconf application. This one's a menu of devices; read the

man page.

6 files changed, 639 insertions, 0 deletions

diff --git a/usr.bin/devmenu/Makefile b/usr.bin/devmenu/Makefile
new file mode 100644
index 0000000..38d37bb
--- /dev/null
+++ b/usr.bin/devmenu/Makefile
@@ -0,0 +1,9 @@
+#	$Id$
+
+PROG=	devmenu
+SRCS=	devmenu.c devfilter.c ifmenu.c
+MAN1=	devmenu.1
+LDADD+=	-ldialog -lncurses
+CFLAGS+= -I/sys
+
+.include <bsd.prog.mk>
diff --git a/usr.bin/devmenu/devfilter.c b/usr.bin/devmenu/devfilter.c
new file mode 100644
index 0000000..d48a6b8
--- /dev/null
+++ b/usr.bin/devmenu/devfilter.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright 1995 Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that both the above copyright notice and this
+ * permission notice appear in all copies, that both the above
+ * copyright notice and this permission notice appear in all
+ * supporting documentation, and that the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.  M.I.T. makes
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied
+ * warranty.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
+ * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
+ * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/devconf.h>
+#include <sys/proc.h>
+#include <vm/vm.h>
+#include <sys/sysctl.h>
+#include <err.h>
+#include <sysexits.h>
+
+#include "devmenu.h"
+
+char *
+devmenu_toname(const struct devconf *dev)
+{
+	static char buf[2*MAXDEVNAME];
+	snprintf(buf, sizeof buf, "%s%d", dev->dc_name, dev->dc_unit);
+	return buf;
+}
+
+int
+devmenu_filter(const struct devconf *dev, char **userlist)
+{
+	int i;
+	char *name;
+
+	if (!userlist)
+		return 1;
+
+	name = devmenu_toname(dev);
+
+	for (i = 0; userlist[i]; i++) {
+		if (strcmp(name, userlist[i]) == 0) {
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+struct devconf **
+devmenu_alldevs(void)
+{
+	int mib[3];
+	size_t size;
+	int ndevs, i, ndx;
+	struct devconf **rv;
+
+	size = sizeof ndevs;
+	mib[0] = CTL_HW;
+	mib[1] = HW_DEVCONF;
+	mib[2] = DEVCONF_NUMBER;
+
+	if (sysctl(mib, 3, &ndevs, &size, 0, 0) < 0) {
+		err(EX_OSERR, "sysctl failed reading hw.devconf.number");
+	}
+
+	rv = malloc((ndevs + 1) * sizeof *rv);
+	if (!rv) {
+		err(EX_UNAVAILABLE, "malloc(%lu)", 
+		    (unsigned long)(ndevs * sizeof *rv));
+	}
+
+	for (ndx = 0, i = 1; i <= ndevs; i++) {
+		mib[2] = i;
+		if (sysctl(mib, 3, 0, &size, 0, 0) < 0) {
+			continue;
+		}
+
+		rv[ndx] = malloc(size);
+		if (!rv[ndx]) {
+			err(EX_UNAVAILABLE, "malloc(%lu)", 
+			    (unsigned long)size);
+		}
+
+		if (sysctl(mib, 3, rv[ndx], &size, 0, 0) < 0) {
+			err(EX_OSERR, "sysctl reading hw.devconf.%d", i);
+		}
+
+		ndx++;
+	}
+
+	rv[ndx] = 0;
+
+	return rv;
+}
+
+void
+devmenu_freedevs(struct devconf ***devpp)
+{
+	struct devconf **devp = *devpp;
+	int i;
+
+	for (i = 0; devp[i]; i++) {
+		free(devp[i]);
+	}
+
+	free(devp);
+	*devpp = 0;
+}
+
+const char *
+devmenu_common(const char *title, const char *hfile, char **devnames,
+	       const char *prompt, const char *none, enum dc_class class)
+{
+	struct devconf **devs;
+	int s;
+	unsigned char **items = 0;
+	int nitems = 0;
+	int itemindex = 0;
+	char *name;
+	int i;
+	static char resbuf[2*MAXDEVNAME];
+
+	if (hfile) {
+		use_helpfile((char *)hfile);
+	}
+	devs = devmenu_alldevs();
+
+	for (i = 0; devs[i]; i++) {
+		if (class && !(devs[i]->dc_class & class))
+			continue;
+		if (devmenu_filter(devs[i], devnames)) {
+			++nitems;
+			items = realloc(items, 2 * nitems * sizeof *items);
+			if (!items) {
+				err(EX_UNAVAILABLE, "malloc(%lu)",
+				    (unsigned long)(2 * nitems * sizeof *items));
+			}
+
+			name = devmenu_toname(devs[i]);
+
+			items[itemindex] = strdup(name);
+			if (!items[itemindex]) {
+				err(EX_UNAVAILABLE, "strdup-malloc(%lu)",
+				    (unsigned long)(strlen(name) + 1));
+			}
+
+			items[itemindex + 1] = devs[i]->dc_descr;
+			itemindex += 2;
+		}
+	}
+
+	if (!nitems) {
+		dialog_msgbox((char *)title, none, -1, -1, 1);
+		return "none";
+	}
+
+	name = resbuf;
+
+	if(dialog_menu((char *)title, prompt, 24, 78, nitems, nitems, items,
+		       resbuf, 0, 0) != 0) {
+		name = "none";
+	} 
+
+	for (i = 0; i < 2 * nitems; i += 2) {
+		free(items[i]);
+	}
+
+	free(items);
+
+	devmenu_freedevs(&devs);
+	return name;
+}
diff --git a/usr.bin/devmenu/devmenu.1 b/usr.bin/devmenu/devmenu.1
new file mode 100644
index 0000000..c102626
--- /dev/null
+++ b/usr.bin/devmenu/devmenu.1
@@ -0,0 +1,124 @@
+.\"
+.\" Copyright 1995 Massachusetts Institute of Technology
+.\"
+.\" Permission to use, copy, modify, and distribute this software and
+.\" its documentation for any purpose and without fee is hereby
+.\" granted, provided that both the above copyright notice and this
+.\" permission notice appear in all copies, that both the above
+.\" copyright notice and this permission notice appear in all
+.\" supporting documentation, and that the name of M.I.T. not be used
+.\" in advertising or publicity pertaining to distribution of the
+.\" software without specific, written prior permission.  M.I.T. makes
+.\" no representations about the suitability of this software for any
+.\" purpose.  It is provided "as is" without express or implied
+.\" warranty.
+.\" 
+.\" THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
+.\" ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
+.\" INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
+.\" SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+.\" LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+.\" USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+.\" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+.\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	$Id$
+.Dd April 13, 1995
+.Dt DEVMENU 1
+.Os FreeBSD 2.1
+.Sh NAME
+.Nm devmenu
+.Nd present a menu of available devices
+.Sh SYNOPSIS
+.Nm lsdev
+.Op Fl c Ar class
+.Op Fl f Ar outfile
+.Op Fl h Ar helpfile
+.Op Fl t Ar title
+.Op Fl nid
+.Op Ar name ...
+.Sh DESCRIPTION
+The
+.Nm
+program uses the
+.Xr dialog 3
+library to present a menu of available devices meeting some set of
+criteria.  The list of devices is obtained using the
+.Xr sysctl 3
+device configuration database
+.Pq Dq devconf ,
+and intersected with the list of
+.Ar name s
+if one was specified on the command line.  The following command-line
+flags are supported:
+.Bl -tag -width mhmhelpfile
+.It Fl c Ar class
+specifies a class of devices to further restrict the available
+choices.  Multiple
+.Fl c
+options can be specified, in which case the union of the specified
+classes is used.  The following classes are currently supported:
+.Bl -tag -width parallel
+.It Li cpu
+a processor
+.It Li bus
+a system bus, or a peripheral bus
+.It Li disk
+a read-write disk drive
+.It Li rodisk
+a read-only disk drive (e.g., CD-ROM)
+.It Li display
+a display device (usually there is only one)
+.It Li serial
+a serial port or multiport controller
+.It Li parallel
+a parallel printer port
+.It Li netif
+a network interface
+.It Li misc
+everything else
+.El
+.Pp
+.It Fl f Ar outfile
+specifies the name a file where the name of the selected device is
+written.  If no file is specified, the name is written on the standard
+output.
+.It Fl h Ar helpfile
+can be used to specify the name of a file to be displayed when the
+user presses the `?' key.
+.It Fl t Ar title
+specifies the title of the window passed to the
+.Xr dialog 3
+library when creating the menu.
+.El
+.Pp
+In addition, there are three flags to request special menus with
+unique prompt text and possibly pseudo-devices (but this is not yet
+implemented).  These are:
+.Bl -tag -width xxx
+.It Fl n
+requests a menu of network interfaces
+.It Fl i
+requests a menu of possible installation media (i.e., disks, CD-ROMs,
+and tapes)
+.It Fl d
+requests a menu of disks
+.El
+.Sh SEE ALSO
+.Xr sysctl 3 ,
+.Xr lsdev 8
+.Sh AUTHOR
+The
+.Nm
+program was written by Garrett A. Wollman at the MIT Laboratory for
+Computer Science.
+.Sh HISTORY
+A
+.Nm
+command first appeared in
+.Tn FreeBSD
+2.1.
diff --git a/usr.bin/devmenu/devmenu.c b/usr.bin/devmenu/devmenu.c
new file mode 100644
index 0000000..e1dc7b4
--- /dev/null
+++ b/usr.bin/devmenu/devmenu.c
@@ -0,0 +1,206 @@
+/*
+ * Copyright 1995 Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that both the above copyright notice and this
+ * permission notice appear in all copies, that both the above
+ * copyright notice and this permission notice appear in all
+ * supporting documentation, and that the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.  M.I.T. makes
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied
+ * warranty.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
+ * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
+ * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * devmenu - present a menu of installed devices of a specified
+ * class or classes
+ *
+ * Garrett A. Wollman, April 1995
+ */
+
+#ifndef lint
+static const char rcsid[] =
+	"$Id$";
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <sys/devconf.h>
+#include <sysexits.h>
+#include <err.h>
+#include <dialog.h>
+
+#include "devmenu.h"
+
+static enum dc_class interpret_class(char *str);
+static void dm_err_exit(int);
+static int err_writefn(void *cookie, const char *val, int nchars);
+static void usage(const char *);
+
+static FILE *errfp;
+
+int
+main(int argc, char **argv)
+{
+	enum dc_class class = 0;
+	enum mode { GENERIC, NETIF, INSTALL, DISK } mode = GENERIC;
+	const char *title = 0, *hfile = 0;
+	char **devnames = 0;
+	int c;
+	const char *fn = 0;
+	const char *sel = "none";
+
+	while ((c = getopt(argc, argv, "c:t:h:nidf:")) != EOF) {
+		switch(c) {
+		case 'c':
+			class |= interpret_class(optarg);
+			break;
+		case 't':
+			title = optarg;
+			break;
+		case 'h':
+			hfile = optarg;
+			break;
+		case 'n':
+			mode = NETIF;
+			break;
+		case 'i':
+			mode = INSTALL;
+			break;
+		case 'd':
+			mode = DISK;
+			break;
+		case 'f':
+			fn = optarg;
+			break;
+		case '?':
+		default:
+			usage(argv[0]);
+			return EX_USAGE;
+		}
+	}
+
+	if (optind < argc) {
+		devnames = &argv[optind];
+	}
+
+	errfp = fwopen(0, err_writefn);
+	if (!errfp) {
+		err(EX_UNAVAILABLE, "fwopen");
+	}
+
+	setvbuf(errfp, (char *)0, _IOLBF, (size_t)0);
+
+	init_dialog();
+	err_set_exit(dm_err_exit);
+	err_set_file(errfp);
+
+	switch(mode) {
+	case NETIF:
+		sel = devmenu_netif(title, hfile, devnames);
+		break;
+	case INSTALL:
+		sel = devmenu_common(title, hfile, devnames,
+				     "Select an installation device",
+				     "No installation devices found",
+				     DC_CLS_DISK | DC_CLS_RDISK | DC_CLS_TAPE);
+		break;
+	case DISK:
+		sel = devmenu_common(title, hfile, devnames,
+				     "Select a disk",
+				     "No disks found",
+				     DC_CLS_DISK);
+		break;
+	case GENERIC:
+		sel = devmenu_common(title, hfile, devnames,
+				     "Select a device",
+				     "No devices found",
+				     class);
+		break;
+	}
+	err_set_file(0);
+	fclose(errfp);
+	end_dialog();
+	err_set_exit(0);
+	if (fn) {
+		errfp = fopen(fn, "w");
+		if (!errfp) {
+			err(EX_OSERR, "fopen(%s)", fn);
+		}
+		fprintf(errfp, "%s\n", sel);
+		fclose(errfp);
+	} else {
+		printf("%s\n", sel);
+	}
+	return 0;
+}
+
+static const char *classes[] = DC_CLASSNAMES;
+#define NCLASSES ((sizeof classes)/(sizeof classes[0]))
+
+static enum dc_class
+interpret_class(char *str)
+{
+	int i;
+	enum dc_class rv;
+
+	for(i = 1; i < NCLASSES; i++) {
+		if(! strcmp(classes[i], str)) {
+			rv = (1 << (i - 1));
+			break;
+		}
+	}
+	if (i == NCLASSES) {
+		err(EX_USAGE, "unknown class `%s'", str);
+	}
+
+	return rv;
+}
+
+static void
+dm_err_exit(int rval)
+{
+	fflush(errfp);
+	fclose(errfp);
+	end_dialog();
+	exit(rval);
+}
+
+static int
+err_writefn(void *cookie, const char *val, int nchars)
+{
+	char buf[nchars + 1];
+
+	strncpy(buf, val, nchars);
+	buf[nchars] = '\0';
+
+	dialog_msgbox("Error", buf, -1, -1, 1);
+	return nchars;
+}
+
+static void
+usage(const char *argv0)
+{
+	fprintf(stderr, "%s: usage:\n%s foo\n", argv0, argv0);
+}
diff --git a/usr.bin/devmenu/devmenu.h b/usr.bin/devmenu/devmenu.h
new file mode 100644
index 0000000..f5b14a1
--- /dev/null
+++ b/usr.bin/devmenu/devmenu.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 1995 Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that both the above copyright notice and this
+ * permission notice appear in all copies, that both the above
+ * copyright notice and this permission notice appear in all
+ * supporting documentation, and that the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.  M.I.T. makes
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied
+ * warranty.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
+ * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
+ * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id$
+ */
+
+/* NB: must include sys/devconf.h before this file */
+
+/* Args are: title, help file, device name list */
+extern const char *devmenu_netif(const char *, const char *, char **);
+
+/* Args are: title, help file, class mask, name list */
+extern const char *devmenu(const char *, const char *, enum dc_class, char **);
+
+extern char *devmenu_toname(const struct devconf *);
+
+/* Args are: device, user's list of devices */
+extern int devmenu_filter(const struct devconf *, char **);
+
+/* Returns an array of pointers to all the devconf devices in the system */
+extern struct devconf **devmenu_alldevs(void);
+
+/* Frees the array allocated above */
+extern void devmenu_freedevs(struct devconf ***);
+
+/* Args are: title, help file, name list, prompt, no-devices message, class */
+extern const char *devmenu_common(const char *, const char *, char **,
+				  const char *, const char *, enum dc_class);
+
diff --git a/usr.bin/devmenu/ifmenu.c b/usr.bin/devmenu/ifmenu.c
new file mode 100644
index 0000000..aecbb7f
--- /dev/null
+++ b/usr.bin/devmenu/ifmenu.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright 1995 Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that both the above copyright notice and this
+ * permission notice appear in all copies, that both the above
+ * copyright notice and this permission notice appear in all
+ * supporting documentation, and that the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.  M.I.T. makes
+ * no representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied
+ * warranty.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''.  M.I.T. DISCLAIMS
+ * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
+ * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * ifmenu - present a menu of network interfaces
+ *
+ * Garrett A. Wollman, April 1995
+ */
+
+#include <sys/types.h>
+#include <sys/devconf.h>
+#include "devmenu.h"
+
+/*
+ * This is provided in a separate file so that, in the future, non-physical
+ * network interfaces might be added as well.
+ */
+const char *
+devmenu_netif(const char *title, const char *hfile, char **devnames)
+{
+	return devmenu_common(title, hfile, devnames,
+			      "Select a network interface",
+			      "No network interfaces available",
+			      DC_CLS_NETIF);
+}