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use rustables_macros::nfnetlink_struct;
use crate::data_type::DataType;
use crate::error::BuilderError;
use crate::nlmsg::NfNetlinkObject;
use crate::parser_impls::{NfNetlinkData, NfNetlinkList};
use crate::sys::{
NFTA_SET_ELEM_KEY, NFTA_SET_ELEM_LIST_ELEMENTS, NFTA_SET_ELEM_LIST_SET,
NFTA_SET_ELEM_LIST_TABLE, NFTA_SET_FLAGS, NFTA_SET_ID, NFTA_SET_KEY_LEN, NFTA_SET_KEY_TYPE,
NFTA_SET_NAME, NFTA_SET_TABLE, NFTA_SET_USERDATA, NFT_MSG_DELSET, NFT_MSG_DELSETELEM,
NFT_MSG_NEWSET, NFT_MSG_NEWSETELEM,
};
use crate::table::Table;
use crate::ProtocolFamily;
use std::fmt::Debug;
use std::marker::PhantomData;
#[derive(Default, Debug, Clone, PartialEq, Eq)]
#[nfnetlink_struct(derive_deserialize = false)]
pub struct Set {
pub family: ProtocolFamily,
#[field(NFTA_SET_TABLE)]
pub table: String,
#[field(NFTA_SET_NAME)]
pub name: String,
#[field(NFTA_SET_FLAGS)]
pub flags: u32,
#[field(NFTA_SET_KEY_TYPE)]
pub key_type: u32,
#[field(NFTA_SET_KEY_LEN)]
pub key_len: u32,
#[field(NFTA_SET_ID)]
pub id: u32,
#[field(NFTA_SET_USERDATA)]
pub userdata: String,
}
impl NfNetlinkObject for Set {
const MSG_TYPE_ADD: u32 = NFT_MSG_NEWSET;
const MSG_TYPE_DEL: u32 = NFT_MSG_DELSET;
fn get_family(&self) -> ProtocolFamily {
self.family
}
fn set_family(&mut self, family: ProtocolFamily) {
self.family = family;
}
}
pub struct SetBuilder<K: DataType> {
inner: Set,
list: SetElementList,
_phantom: PhantomData<K>,
}
impl<K: DataType> SetBuilder<K> {
pub fn new(name: impl Into<String>, table: &Table) -> Result<Self, BuilderError> {
let table_name = table.get_name().ok_or(BuilderError::MissingTableName)?;
let set_name = name.into();
let set = Set::default()
.with_key_type(K::TYPE)
.with_key_len(K::LEN)
.with_table(table_name)
.with_name(&set_name);
Ok(SetBuilder {
inner: set,
list: SetElementList {
table: Some(table_name.clone()),
set: Some(set_name),
elements: Some(SetElementListElements::default()),
},
_phantom: PhantomData,
})
}
pub fn add(&mut self, key: &K) {
self.list.elements.as_mut().unwrap().add_value(SetElement {
key: Some(NfNetlinkData::default().with_value(key.data())),
});
}
pub fn finish(self) -> (Set, SetElementList) {
(self.inner, self.list)
}
}
#[derive(Default, Debug, Clone, PartialEq, Eq)]
#[nfnetlink_struct(nested = true, derive_deserialize = false)]
pub struct SetElementList {
#[field(NFTA_SET_ELEM_LIST_TABLE)]
pub table: String,
#[field(NFTA_SET_ELEM_LIST_SET)]
pub set: String,
#[field(NFTA_SET_ELEM_LIST_ELEMENTS)]
pub elements: SetElementListElements,
}
impl NfNetlinkObject for SetElementList {
const MSG_TYPE_ADD: u32 = NFT_MSG_NEWSETELEM;
const MSG_TYPE_DEL: u32 = NFT_MSG_DELSETELEM;
fn get_family(&self) -> ProtocolFamily {
ProtocolFamily::Unspec
}
}
#[derive(Default, Debug, Clone, PartialEq, Eq)]
#[nfnetlink_struct(nested = true)]
pub struct SetElement {
#[field(NFTA_SET_ELEM_KEY)]
pub key: NfNetlinkData,
}
type SetElementListElements = NfNetlinkList<SetElement>;
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