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python: add bridge flags API

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Add flags set/get methods aim to change bridge flags :
 o hairpin_mode
 o bpdu_guard
 o root_block
 o fast_leave

Signed-off-by: Nicolas PLANEL <nicolas.planel@enovance.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
This commit is contained in:
Nicolas PLANEL 2013-10-11 15:52:22 +00:00 • committed by Thomas Graf
parent 07669b0b80
commit 978bb85c7a
4 changed files with 72 additions and 0 deletions
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3
include/netlink/route/link/bridge.h
View file

@ -48,6 +48,9 @@ extern int rtnl_link_bridge_unset_flags(struct rtnl_link *, unsigned int);
extern int rtnl_link_bridge_set_flags(struct rtnl_link *, unsigned int);
extern int rtnl_link_bridge_get_flags(struct rtnl_link *);
extern char * rtnl_link_bridge_flags2str(int, char *, size_t);
extern int rtnl_link_bridge_str2flags(const char *);
#ifdef __cplusplus
}
#endif

24
lib/route/link/bridge.c
View file

@ -451,6 +451,30 @@ int rtnl_link_bridge_get_flags(struct rtnl_link *link)
return bd->b_flags;
}
static const struct trans_tbl bridge_flags[] = {
__ADD(RTNL_BRIDGE_HAIRPIN_MODE, hairpin_mode)
__ADD(RTNL_BRIDGE_BPDU_GUARD, bpdu_guard)
__ADD(RTNL_BRIDGE_ROOT_BLOCK, root_block)
__ADD(RTNL_BRIDGE_FAST_LEAVE, fast_leave)
};
/**
* @name Flag Translation
* @{
*/
char *rtnl_link_bridge_flags2str(int flags, char *buf, size_t len)
{
return __flags2str(flags, buf, len, bridge_flags, ARRAY_SIZE(bridge_flags));
}
int rtnl_link_bridge_str2flags(const char *name)
{
return __str2flags(name, bridge_flags, ARRAY_SIZE(bridge_flags));
}
/** @} */
static struct rtnl_link_af_ops bridge_ops = {
.ao_family = AF_BRIDGE,
.ao_alloc = &bridge_alloc,

10
python/netlink/route/capi.i
View file

@ -254,6 +254,13 @@ extern int rtnl_link_vxlan_disable_l3miss(struct rtnl_link *);
/* <netlink/route/link/bridge.h> */
enum rtnl_link_bridge_flags {
RTNL_BRIDGE_HAIRPIN_MODE = 0x0001,
RTNL_BRIDGE_BPDU_GUARD = 0x0002,
RTNL_BRIDGE_ROOT_BLOCK = 0x0004,
RTNL_BRIDGE_FAST_LEAVE = 0x0008,
};
extern int rtnl_link_is_bridge(struct rtnl_link *);
extern int rtnl_link_bridge_has_ext_info(struct rtnl_link *);
@ -270,6 +277,9 @@ extern int rtnl_link_bridge_unset_flags(struct rtnl_link *, unsigned int);
extern int rtnl_link_bridge_set_flags(struct rtnl_link *, unsigned int);
extern int rtnl_link_bridge_get_flags(struct rtnl_link *);
extern char * rtnl_link_bridge_flags2str(int, char *, size_t);
extern int rtnl_link_bridge_str2flags(const char *);
/* <netlink/route/link/inet.h> */
%cstring_output_maxsize(char *buf, size_t len)
extern const char *rtnl_link_inet_devconf2str(int, char *buf, size_t len);

35
python/netlink/route/links/bridge.py
View file

@ -76,6 +76,41 @@ class BRIDGELink(object):
raise ValueError()
capi.rtnl_link_bridge_set_cost(self._link, int(cost))
@property
@netlink.nlattr(type=str)
def flags(self):
""" BRIDGE flags
Setting this property will *Not* reset flags to value you supply in
Examples:
link.flags = '+xxx' # add xxx flag
link.flags = 'xxx' # exactly the same
link.flags = '-xxx' # remove xxx flag
link.flags = [ '+xxx', '-yyy' ] # list operation
"""
self.bridge_assert_ext_info()
flags = capi.rtnl_link_bridge_get_flags(self._link)
return capi.rtnl_link_bridge_flags2str(flags, 256)[0].split(',')
def _set_flag(self, flag):
if flag.startswith('-'):
i = capi.rtnl_link_bridge_str2flags(flag[1:])
capi.rtnl_link_bridge_unset_flags(self._link, i)
elif flag.startswith('+'):
i = capi.rtnl_link_bridge_str2flags(flag[1:])
capi.rtnl_link_bridge_set_flags(self._link, i)
else:
i = capi.rtnl_link_bridge_str2flags(flag)
capi.rtnl_link_bridge_set_flags(self._link, i)
@flags.setter
def flags(self, value):
self.bridge_assert_ext_info()
if type(value) is list:
for flag in value:
self._set_flag(flag)
else:
self._set_flag(value)
def brief(self):
return 'bridge-has-ext-info {0}'.format(self._has_ext_info)