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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
* This program 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 program 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 program. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2013 Red Hat, Inc.
*/
/**
* SECTION:nmt-mac-entry
* @short_description: #NmtNewtEntry for hardware address entry
*
* #NmtMacEntry is an #NmtNewtEntry for entering hardware addresses.
* It will only allow typing characters that are valid in a hardware
* address, and will set its #NmtNewtWidget:valid property depending
* on whether it currently contains a valid hardware address.
*/
#include "config.h"
#include <string.h>
#include <dbus/dbus-glib.h>
#include <nm-utils.h>
#include "nmt-mac-entry.h"
G_DEFINE_TYPE (NmtMacEntry, nmt_mac_entry, NMT_TYPE_NEWT_ENTRY)
#define NMT_MAC_ENTRY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NMT_TYPE_MAC_ENTRY, NmtMacEntryPrivate))
typedef struct {
int mac_length;
int mac_str_length;
} NmtMacEntryPrivate;
enum {
PROP_0,
PROP_MAC_LENGTH,
PROP_MAC_ADDRESS,
LAST_PROP
};
/**
* nmt_mac_entry_new:
* @width: the width in characters of the entry
* @mac_length: the length in bytes of the hardware address
* (either %ETH_ALEN or %INFINIBAND_ALEN)
*
* Creates a new #NmtMacEntry.
*
* Returns: a new #NmtMacEntry.
*/
NmtNewtWidget *
nmt_mac_entry_new (int width,
int mac_length)
{
return g_object_new (NMT_TYPE_MAC_ENTRY,
"width", width,
"mac-length", mac_length,
NULL);
}
static gboolean
mac_filter (NmtNewtEntry *entry,
const char *text,
int ch,
int position,
gpointer user_data)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (entry);
if (position >= priv->mac_str_length)
return FALSE;
return g_ascii_isxdigit (ch) || ch == ':';
}
static gboolean
mac_validator (NmtNewtEntry *entry,
const char *text,
gpointer user_data)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (entry);
const char *p;
if (!*text)
return TRUE;
p = text;
while ( g_ascii_isxdigit (p[0])
&& g_ascii_isxdigit (p[1])
&& p[2] == ':')
p += 3;
if ( !g_ascii_isxdigit (p[0])
|| !g_ascii_isxdigit (p[1]))
return FALSE;
p += 2;
if (!*p)
return (p - text == priv->mac_str_length);
if (g_ascii_isxdigit (p[0]) && !p[1]) {
char *fixed = g_strdup_printf ("%.*s:%c", (int)(p - text), text, *p);
nmt_newt_entry_set_text (entry, fixed);
g_free (fixed);
/* FIXME: NmtNewtEntry doesn't correctly deal with us calling set_text()
* from inside the validator.
*/
nmt_newt_widget_needs_rebuild (NMT_NEWT_WIDGET (entry));
}
return FALSE;
}
static void
nmt_mac_entry_init (NmtMacEntry *entry)
{
nmt_newt_entry_set_filter (NMT_NEWT_ENTRY (entry), mac_filter, NULL);
nmt_newt_entry_set_validator (NMT_NEWT_ENTRY (entry), mac_validator, NULL);
}
static void
nmt_mac_entry_notify (GObject *object,
GParamSpec *pspec)
{
if (G_OBJECT_CLASS (nmt_mac_entry_parent_class)->notify)
G_OBJECT_CLASS (nmt_mac_entry_parent_class)->notify (object, pspec);
if (pspec->owner_type == NMT_TYPE_NEWT_ENTRY && !strcmp (pspec->name, "text"))
g_object_notify (object, "mac-address");
}
static void
nmt_mac_entry_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (object);
GByteArray *addr;
char *addr_str;
switch (prop_id) {
case PROP_MAC_LENGTH:
priv->mac_length = g_value_get_int (value);
priv->mac_str_length = priv->mac_length * 3 - 1;
break;
case PROP_MAC_ADDRESS:
addr = g_value_get_boxed (value);
if (addr) {
addr_str = nm_utils_hwaddr_ntoa_len (addr->data, addr->len);
nmt_newt_entry_set_text (NMT_NEWT_ENTRY (object), addr_str);
g_free (addr_str);
} else
nmt_newt_entry_set_text (NMT_NEWT_ENTRY (object), "");
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nmt_mac_entry_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE (object);
GByteArray *addr;
switch (prop_id) {
case PROP_MAC_LENGTH:
g_value_set_int (value, priv->mac_length);
break;
case PROP_MAC_ADDRESS:
addr = nm_utils_hwaddr_atoba (nmt_newt_entry_get_text (NMT_NEWT_ENTRY (object)), ARPHRD_ETHER);
g_value_take_boxed (value, addr);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
nmt_mac_entry_class_init (NmtMacEntryClass *entry_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (entry_class);
g_type_class_add_private (entry_class, sizeof (NmtMacEntryPrivate));
/* virtual methods */
object_class->notify = nmt_mac_entry_notify;
object_class->set_property = nmt_mac_entry_set_property;
object_class->get_property = nmt_mac_entry_get_property;
/**
* NmtMacEntry:mac-length:
*
* The length in bytes of the hardware address type the entry
* accepts: either %ETH_ALEN or %INFINIBAND_ALEN.
*/
g_object_class_install_property
(object_class, PROP_MAC_LENGTH,
g_param_spec_int ("mac-length", "", "",
0, INFINIBAND_ALEN, ETH_ALEN,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
/**
* NmtMacEntry:mac-address:
*
* The MAC address, in binary (in the same format used by the various
* #NMSetting "mac-address" properties).
*/
g_object_class_install_property
(object_class, PROP_MAC_ADDRESS,
g_param_spec_boxed ("mac-address", "", "",
DBUS_TYPE_G_UCHAR_ARRAY,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS));
}
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