Module netlink.genl
Generic netlink (NETLINK_GENERIC) interface.
A netlink.session
specialization: create an instance with genl(), resolve a family name to
its id, then dispatch commands; close it when done. All methods block and
require a sleepable runtime.
See also:
Class genl
| genl:call (family_id, cmd[, flags=0[, payload]]) | Sends a single generic netlink command and returns the decoded reply messages. |
| genl:dump (family_id, cmd[, payload]) | Sends a dump command and collects the full multipart response. |
| genl:family (name) | Resolves a generic netlink family name to its (dynamically assigned) id. |
| genl:new ([o]) | Creates a new genl object. |
Class genl
Generic netlink session.
- genl:call (family_id, cmd[, flags=0[, payload]])
-
Sends a single generic netlink command and returns the decoded reply messages.
Parameters:
- family_id integer family id (from family).
- cmd integer command number.
- flags integer additional NLMF* flags. (default 0)
- payload string serialized attributes. (optional)
Returns:
-
table
list of
{cmd, attrs}response messages.Raises:
on netlink error. - genl:dump (family_id, cmd[, payload])
-
Sends a dump command and collects the full multipart response.
Parameters:
- family_id integer family id (from family).
- cmd integer command number.
- payload string serialized attributes. (optional)
Returns:
-
table
list of
{cmd, attrs}response messages.Raises:
on netlink error. - genl:family (name)
-
Resolves a generic netlink family name to its (dynamically assigned) id.
Parameters:
- name
string
family name (e.g.
"nlctrl","nl80211").
Returns:
-
integer
the family id.
Raises:
if the family does not exist. - name
string
family name (e.g.
- genl:new ([o])
-
Creates a new genl object.
Parameters:
- o table an initial object table. (optional)
Returns:
-
genl
the new genl object.
See also: