turn_rs/router/nodes.rs
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use std::{
collections::BTreeMap,
net::SocketAddr,
sync::{Arc, RwLock},
time::Instant,
};
use super::ports::capacity;
use ahash::{AHashMap, AHashSet};
use faster_stun::util::long_key;
/// turn node session.
#[derive(Clone)]
pub struct Node {
pub channels: Vec<u16>,
pub ports: Vec<u16>,
pub timer: Instant,
pub lifetime: u64,
pub secret: Arc<[u8; 16]>,
pub username: String,
pub password: String,
}
impl Node {
/// create node session.
///
/// node session from group number and long key.
pub fn new(realm: &str, username: &str, password: &str) -> Self {
let secret = Arc::new(long_key(username, password, realm));
Self {
channels: Vec::with_capacity(5),
ports: Vec::with_capacity(10),
username: username.to_string(),
password: password.to_string(),
timer: Instant::now(),
lifetime: 600,
secret,
}
}
/// set the lifetime of the node.
///
/// delay is to die after the specified second.
///
/// # Examples
///
/// ```
/// use turn_rs::router::nodes::*;
///
/// let mut node = Node::new("test", "test", "test");
///
/// node.set_lifetime(0);
/// assert!(node.is_death());
///
/// node.set_lifetime(600);
/// assert!(!node.is_death());
/// ```
pub fn set_lifetime(&mut self, delay: u32) {
self.lifetime = delay as u64;
self.timer = Instant::now();
}
/// whether the node is dead.
///
/// # Examples
///
/// ```
/// use turn_rs::router::nodes::*;
///
/// let mut node = Node::new("test", "test", "test");
///
/// node.set_lifetime(0);
/// assert!(node.is_death());
///
/// node.set_lifetime(600);
/// assert!(!node.is_death());
/// ```
pub fn is_death(&self) -> bool {
self.timer.elapsed().as_secs() >= self.lifetime
}
/// get node the secret.
///
/// # Examples
///
/// ```
/// use turn_rs::router::nodes::*;
///
/// let mut node = Node::new("test", "test", "test");
/// let secret = node.get_secret();
/// assert_eq!(
/// secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// ```
pub fn get_secret(&self) -> Arc<[u8; 16]> {
self.secret.clone()
}
/// posh port in node.
///
/// # Examples
///
/// ```
/// use turn_rs::router::nodes::*;
///
/// let mut node = Node::new("test", "test", "test");
///
/// node.push_port(43196);
/// assert_eq!(&node.ports, &[43196]);
/// ```
pub fn push_port(&mut self, port: u16) {
if !self.ports.contains(&port) {
self.ports.push(port);
}
}
/// push channel in node.
///
/// # Examples
///
/// ```
/// use turn_rs::router::nodes::*;
///
/// let mut node = Node::new("test", "test", "test");
///
/// node.push_channel(0x4000);
/// assert_eq!(&node.channels, &[0x4000]);
/// ```
pub fn push_channel(&mut self, channel: u16) {
if !self.channels.contains(&channel) {
self.channels.push(channel);
}
}
}
/// node table.
pub struct Nodes {
map: RwLock<AHashMap<SocketAddr, Node>>,
addrs: RwLock<BTreeMap<String, AHashSet<SocketAddr>>>,
}
impl Default for Nodes {
fn default() -> Self {
Self::new()
}
}
impl Nodes {
pub fn new() -> Self {
Self {
addrs: RwLock::new(BTreeMap::new()),
map: RwLock::new(AHashMap::with_capacity(capacity())),
}
}
/// get users name and address.
///
/// # Examples
///
/// ```
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// assert_eq!(nodes.get_users(0, 10), vec![]);
/// ```
pub fn get_users(&self, skip: usize, limit: usize) -> Vec<(String, Vec<SocketAddr>)> {
self.addrs
.read()
.unwrap()
.iter()
.skip(skip)
.take(limit)
.map(|(k, v)| (k.clone(), v.iter().copied().collect()))
.collect()
}
/// get node from name.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// let node = nodes.get_node(&addr).unwrap();
/// assert_eq!(node.username.as_str(), "test");
/// assert_eq!(node.password.as_str(), "test");
/// assert_eq!(
/// node.secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// assert_eq!(node.channels.len(), 0);
/// assert_eq!(node.ports.len(), 0);
/// ```
pub fn get_node(&self, a: &SocketAddr) -> Option<Node> {
self.map.read().unwrap().get(a).cloned()
}
/// get password from address.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// let secret = nodes.get_secret(&addr).unwrap();
/// assert_eq!(
/// secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// ```
pub fn get_secret(&self, a: &SocketAddr) -> Option<Arc<[u8; 16]>> {
self.map.read().unwrap().get(a).map(|n| n.get_secret())
}
/// insert node in node table.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// let node = nodes.get_node(&addr).unwrap();
/// assert_eq!(node.username.as_str(), "test");
/// assert_eq!(node.password.as_str(), "test");
/// assert_eq!(
/// node.secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// assert_eq!(node.channels.len(), 0);
/// assert_eq!(node.ports.len(), 0);
/// ```
pub fn insert(
&self,
addr: &SocketAddr,
realm: &str,
username: &str,
password: &str,
) -> Option<Arc<[u8; 16]>> {
let node = Node::new(realm, username, password);
let pwd = node.get_secret();
let mut addrs = self.addrs.write().unwrap();
self.map.write().unwrap().insert(*addr, node);
addrs
.entry(username.to_string())
.or_insert_with(|| AHashSet::with_capacity(5))
.insert(*addr);
Some(pwd)
}
/// push port to node.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// assert!(nodes.push_port(&addr, 60000).is_some());
///
/// let node = nodes.get_node(&addr).unwrap();
/// assert_eq!(node.username.as_str(), "test");
/// assert_eq!(node.password.as_str(), "test");
/// assert_eq!(
/// node.secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// assert_eq!(node.channels, vec![]);
/// assert_eq!(node.ports, vec![60000]);
/// ```
pub fn push_port(&self, a: &SocketAddr, port: u16) -> Option<()> {
self.map.write().unwrap().get_mut(a)?.push_port(port);
Some(())
}
/// push channel to node.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// assert!(nodes.push_channel(&addr, 0x4000).is_some());
///
/// let node = nodes.get_node(&addr).unwrap();
/// assert_eq!(node.username.as_str(), "test");
/// assert_eq!(node.password.as_str(), "test");
/// assert_eq!(
/// node.secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// assert_eq!(node.channels, vec![0x4000]);
/// assert_eq!(node.ports, vec![]);
/// ```
pub fn push_channel(&self, a: &SocketAddr, channel: u16) -> Option<()> {
self.map.write().unwrap().get_mut(a)?.push_channel(channel);
Some(())
}
/// set lifetime to node.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// assert!(nodes.set_lifetime(&addr, 600).is_some());
///
/// let node = nodes.get_node(&addr).unwrap();
/// assert_eq!(node.username.as_str(), "test");
/// assert_eq!(node.password.as_str(), "test");
/// assert_eq!(
/// node.secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// assert_eq!(node.channels, vec![]);
/// assert_eq!(node.ports, vec![]);
/// assert!(!node.is_death());
///
/// assert!(nodes.set_lifetime(&addr, 0).is_some());
///
/// let node = nodes.get_node(&addr).unwrap();
/// assert_eq!(node.username.as_str(), "test");
/// assert_eq!(node.password.as_str(), "test");
/// assert_eq!(
/// node.secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// assert_eq!(node.channels, vec![]);
/// assert_eq!(node.ports, vec![]);
/// assert!(node.is_death());
/// ```
pub fn set_lifetime(&self, a: &SocketAddr, delay: u32) -> Option<()> {
self.map.write().unwrap().get_mut(a)?.set_lifetime(delay);
Some(())
}
/// remove node from address.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// let node = nodes.get_node(&addr).unwrap();
/// assert_eq!(node.username.as_str(), "test");
/// assert_eq!(node.password.as_str(), "test");
/// assert_eq!(
/// node.secret.as_slice(),
/// &[
/// 174, 238, 187, 253, 117, 209, 73, 157, 36, 56, 143, 91, 155, 16,
/// 224, 239
/// ]
/// );
/// assert_eq!(node.channels, vec![]);
/// assert_eq!(node.ports, vec![]);
///
/// assert!(nodes.remove(&addr).is_some());
/// assert!(nodes.get_node(&addr).is_none());
/// ```
pub fn remove(&self, a: &SocketAddr) -> Option<Node> {
let mut user_addrs = self.addrs.write().unwrap();
let node = self.map.write().unwrap().remove(a)?;
let addrs = user_addrs.get_mut(&node.username)?;
if addrs.len() == 1 {
user_addrs.remove(&node.username)?;
} else {
addrs.remove(a);
}
Some(node)
}
/// get node name bound address.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
/// let addr1 = "127.0.0.1:8081".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
/// nodes.insert(&addr1, "test", "test", "test");
///
/// let ret = nodes.get_addrs("test");
///
/// assert_eq!(ret.len(), 2);
/// assert!(ret[0] == addr || ret[0] == addr1);
/// assert!(ret[1] == addr || ret[1] == addr1);
/// ```
pub fn get_addrs(&self, u: &str) -> Vec<SocketAddr> {
self.addrs
.read()
.unwrap()
.get(u)
.cloned()
.unwrap_or_default()
.into_iter()
.collect()
}
/// get death node.
///
/// # Examples
///
/// ```
/// use std::net::SocketAddr;
/// use turn_rs::router::nodes::*;
///
/// let nodes = Nodes::new();
/// let addr = "127.0.0.1:8080".parse::<SocketAddr>().unwrap();
///
/// nodes.insert(&addr, "test", "test", "test");
///
/// assert!(nodes.set_lifetime(&addr, 600).is_some());
/// assert_eq!(nodes.get_deaths(), vec![]);
///
/// assert!(nodes.set_lifetime(&addr, 0).is_some());
/// assert_eq!(nodes.get_deaths(), vec![addr]);
/// ```
pub fn get_deaths(&self) -> Vec<SocketAddr> {
self.map
.read()
.unwrap()
.iter()
.filter(|(_, v)| v.is_death())
.map(|(k, _)| *k)
.collect::<Vec<SocketAddr>>()
}
}