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dhcp: make DUID-to-string function available to subclasses

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This commit is contained in:
Dan Williams 2014-07-17 10:52:22 -05:00
parent a1c86a9a27
commit 2c982d877e
3 changed files with 27 additions and 25 deletions
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33
src/dhcp-manager/nm-dhcp-client.c
View file

@ -426,38 +426,21 @@ generate_duid_from_machine_id (void)
return duid;
}
static char *
escape_duid (const GByteArray *duid)
{
guint32 i = 0;
GString *s;
g_return_val_if_fail (duid != NULL, NULL);
s = g_string_sized_new (40);
while (i < duid->len) {
if (s->len)
g_string_append_c (s, ':');
g_string_append_printf (s, "%02x", duid->data[i++]);
}
return g_string_free (s, FALSE);
}
static GByteArray *
get_duid (NMDHCPClient *self)
{
static GByteArray *duid = NULL;
GByteArray *copy = NULL;
char *escaped;
char *str;
if (G_UNLIKELY (duid == NULL)) {
duid = generate_duid_from_machine_id ();
g_assert (duid);
if (nm_logging_enabled (LOGL_DEBUG, LOGD_DHCP6)) {
escaped = escape_duid (duid);
nm_log_dbg (LOGD_DHCP6, "Generated DUID %s", escaped);
g_free (escaped);
str = nm_dhcp_utils_duid_to_string (duid);
nm_log_dbg (LOGD_DHCP6, "Generated DUID %s", str);
g_free (str);
}
}
@ -477,7 +460,7 @@ nm_dhcp_client_start_ip6 (NMDHCPClient *self,
NMSettingIP6ConfigPrivacy privacy)
{
NMDHCPClientPrivate *priv;
char *escaped;
char *str;
g_return_val_if_fail (NM_IS_DHCP_CLIENT (self), FALSE);
@ -493,9 +476,9 @@ nm_dhcp_client_start_ip6 (NMDHCPClient *self,
priv->duid = NM_DHCP_CLIENT_GET_CLASS (self)->get_duid (self);
if (nm_logging_enabled (LOGL_DEBUG, LOGD_DHCP)) {
escaped = escape_duid (priv->duid);
nm_log_dbg (LOGD_DHCP, "(%s): DHCPv6 DUID is '%s'", priv->iface, escaped);
g_free (escaped);
str = nm_dhcp_utils_duid_to_string (priv->duid);
nm_log_dbg (LOGD_DHCP, "(%s): DHCPv6 DUID is '%s'", priv->iface, str);
g_free (str);
}
priv->info_only = info_only;

17
src/dhcp-manager/nm-dhcp-utils.c
View file

@ -666,3 +666,20 @@ error:
return NULL;
}
char *
nm_dhcp_utils_duid_to_string (const GByteArray *duid)
{
guint32 i = 0;
GString *s;
g_return_val_if_fail (duid != NULL, NULL);
s = g_string_sized_new (MIN (duid->len * 3, 50));
while (i < duid->len) {
if (s->len)
g_string_append_c (s, ':');
g_string_append_printf (s, "%02x", duid->data[i++]);
}
return g_string_free (s, FALSE);
}

2
src/dhcp-manager/nm-dhcp-utils.h
View file

@ -33,5 +33,7 @@ NMIP6Config *nm_dhcp_utils_ip6_config_from_options (const char *iface,
guint priority,
gboolean info_only);
char * nm_dhcp_utils_duid_to_string (const GByteArray *duid);
#endif /* NM_DHCP_UTILS_H */