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core: remove redundant sysctl utilities

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NMDevice was still using the old sysctl functions from
NetworkManagerUtils rather than the new NMPlatform ones. Fix it, and
remove the old functions.
This commit is contained in:
Dan Winship
2013-11-08 08:49:06 -05:00
parent 1981323b19
commit 7bc7da83ec
6 changed files with 43 additions and 142 deletions
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110
src/NetworkManagerUtils.c
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@@ -408,116 +408,6 @@ value_hash_add_object_property (GHashTable *hash,
value_hash_add (hash, key, value);
}
/**
* nm_utils_do_sysctl:
* @path: path to write @value to
* @value: value to write to @path
*
* Writes @value to the file at @path, trying 3 times on failure.
*
* Returns: %TRUE on success. On failure, returns %FALSE and sets errno.
*/
gboolean
nm_utils_do_sysctl (const char *path, const char *value)
{
int fd, len, nwrote, tries, saved_errno = 0;
char *actual;
g_return_val_if_fail (path != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
fd = open (path, O_WRONLY | O_TRUNC);
if (fd == -1) {
saved_errno = errno;
nm_log_warn (LOGD_CORE, "sysctl: failed to open '%s': (%d) %s",
path, saved_errno, strerror (saved_errno));
errno = saved_errno;
return FALSE;
}
nm_log_dbg (LOGD_CORE, "sysctl: setting '%s' to '%s'", path, value);
/* Most sysfs and sysctl options don't care about a trailing CR, while some
* (like infiniband) do. So always add the CR. Also, neither sysfs nor
* sysctl support partial writes so the CR must be added to the string we're
* about to write.
*/
actual = g_strdup_printf ("%s\n", value);
/* Try to write the entire value three times if a partial write occurs */
len = strlen (actual);
for (tries = 0, nwrote = 0; tries < 3 && nwrote != len; tries++) {
errno = 0;
nwrote = write (fd, actual, len);
if (nwrote == -1) {
if (errno == EINTR)
continue;
saved_errno = errno;
break;
}
}
g_free (actual);
close (fd);
if (nwrote != len && saved_errno != EEXIST) {
nm_log_warn (LOGD_CORE, "sysctl: failed to set '%s' to '%s': (%d) %s",
path, value, saved_errno, strerror (saved_errno));
}
errno = saved_errno;
return (nwrote == len);
}
gboolean
nm_utils_get_proc_sys_net_value (const char *path,
const char *iface,
gint32 *out_value)
{
GError *error = NULL;
char *contents = NULL;
gboolean success = FALSE;
long int tmp;
if (!g_file_get_contents (path, &contents, NULL, &error)) {
nm_log_dbg (LOGD_DEVICE, "(%s): error reading %s: (%d) %s",
iface, path,
error ? error->code : -1,
error && error->message ? error->message : "(unknown)");
g_clear_error (&error);
} else {
errno = 0;
tmp = strtol (contents, NULL, 10);
if (errno == 0) {
*out_value = (gint32) tmp;
success = TRUE;
}
g_free (contents);
}
return success;
}
gboolean
nm_utils_get_proc_sys_net_value_with_bounds (const char *path,
const char *iface,
gint32 *out_value,
gint32 valid_min,
gint32 valid_max)
{
gboolean result;
gint32 val;
result = nm_utils_get_proc_sys_net_value (path, iface, &val);
if (result) {
if (val >= valid_min && val <= valid_max)
*out_value = val;
else
result = FALSE;
}
return result;
}
static char *
get_new_connection_name (const GSList *existing,