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utils: add functions for converting string <-> numeric bonding modes

Browse source 
(cherry picked from commit d787f0391b,
except with the prototypes moved from nm-utils.h to
nm-core-internal.h)
This commit is contained in:
Dan Winship 2015-01-21 12:13:45 -05:00
parent 97cd59e980
commit ff174bbad6
2 changed files with 65 additions and 0 deletions
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4
libnm-core/nm-core-internal.h
View file

@ -132,4 +132,8 @@ GByteArray *nm_utils_rsa_key_encrypt (const guint8 *data,
char **out_password,
GError **error);
/* These are public API in NM 1.2, but private on nm-1-0. */
int nm_utils_bond_mode_string_to_int (const char *mode);
const char *nm_utils_bond_mode_int_to_string (int mode);
#endif

61
libnm-core/nm-utils.c
View file

@ -3213,3 +3213,64 @@ nm_utils_check_virtual_device_compatibility (GType virtual_type, GType other_typ
return FALSE;
}
}
typedef struct {
const char *str;
const char *num;
} BondMode;
static BondMode bond_mode_table[] = {
[0] = { "balance-rr", "0" },
[1] = { "active-backup", "1" },
[2] = { "balance-xor", "2" },
[3] = { "broadcast", "3" },
[4] = { "802.3ad", "4" },
[5] = { "balance-tlb", "5" },
[6] = { "balance-alb", "6" },
};
/**
* nm_utils_bond_mode_int_to_string:
* @mode: bonding mode as a numeric value
*
* Convert bonding mode from integer value to descriptive name.
* See https://www.kernel.org/doc/Documentation/networking/bonding.txt for
* available modes.
*
* Returns: bonding mode string, or NULL on error
*/
const char *
nm_utils_bond_mode_int_to_string (int mode)
{
if (mode >= 0 && mode < G_N_ELEMENTS (bond_mode_table))
return bond_mode_table[mode].str;
return NULL;
}
/**
* nm_utils_bond_mode_string_to_int:
* @mode: bonding mode as string
*
* Convert bonding mode from string representation to numeric value.
* See https://www.kernel.org/doc/Documentation/networking/bonding.txt for
* available modes.
* The @mode string can be either a descriptive name or a number (as string).
*
* Returns: numeric bond mode, or -1 on error
*/
int
nm_utils_bond_mode_string_to_int (const char *mode)
{
int i;
if (!mode || !*mode)
return -1;
for (i = 0; i < G_N_ELEMENTS (bond_mode_table); i++) {
if ( strcmp (mode, bond_mode_table[i].str) == 0
|| strcmp (mode, bond_mode_table[i].num) == 0)
return i;
}
return -1;
}