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use crate::common::*;
use crate::database;
use hbb_common::{
bytes::Bytes,
log,
rendezvous_proto::*,
tokio::sync::{Mutex, RwLock},
ResultType,
};
use serde_derive::{Deserialize, Serialize};
use std::{collections::HashMap, collections::HashSet, net::SocketAddr, sync::Arc, time::Instant};
type IpBlockMap = HashMap<String, ((u32, Instant), (HashSet<String>, Instant))>;
type UserStatusMap = HashMap<Vec<u8>, Arc<(Option<Vec<u8>>, bool)>>;
type IpChangesMap = HashMap<String, (Instant, HashMap<String, i32>)>;
lazy_static::lazy_static! {
pub(crate) static ref IP_BLOCKER: Mutex<IpBlockMap> = Default::default();
pub(crate) static ref USER_STATUS: RwLock<UserStatusMap> = Default::default();
pub(crate) static ref IP_CHANGES: Mutex<IpChangesMap> = Default::default();
}
pub const IP_CHANGE_DUR: u64 = 180;
pub const IP_CHANGE_DUR_X2: u64 = IP_CHANGE_DUR * 2;
pub const DAY_SECONDS: u64 = 3600 * 24;
pub const IP_BLOCK_DUR: u64 = 60;
#[derive(Debug, Default, Serialize, Deserialize, Clone)]
pub(crate) struct PeerInfo {
#[serde(default)]
pub(crate) ip: String,
}
pub(crate) struct Peer {
pub(crate) socket_addr: SocketAddr,
pub(crate) last_reg_time: Instant,
pub(crate) guid: Vec<u8>,
pub(crate) uuid: Bytes,
pub(crate) pk: Bytes,
// pub(crate) user: Option<Vec<u8>>,
pub(crate) info: PeerInfo,
// pub(crate) disabled: bool,
pub(crate) reg_pk: (u32, Instant), // how often register_pk
}
impl Default for Peer {
fn default() -> Self {
Self {
socket_addr: "0.0.0.0:0".parse().unwrap(),
last_reg_time: get_expired_time(),
guid: Vec::new(),
uuid: Bytes::new(),
pk: Bytes::new(),
info: Default::default(),
// user: None,
// disabled: false,
reg_pk: (0, get_expired_time()),
}
}
}
pub(crate) type LockPeer = Arc<RwLock<Peer>>;
#[derive(Clone)]
pub(crate) struct PeerMap {
map: Arc<RwLock<HashMap<String, LockPeer>>>,
pub(crate) db: database::Database,
}
impl PeerMap {
pub(crate) async fn new() -> ResultType<Self> {
let db = std::env::var("DB_URL").unwrap_or({
let mut db = "db_v2.sqlite3".to_owned();
#[cfg(all(windows, not(debug_assertions)))]
{
if let Some(path) = hbb_common::config::Config::icon_path().parent() {
db = format!("{}\\{}", path.to_str().unwrap_or("."), db);
}
}
#[cfg(not(windows))]
{
db = format!("./{db}");
}
db
});
log::info!("DB_URL={}", db);
let pm = Self {
map: Default::default(),
db: database::Database::new(&db).await?,
};
Ok(pm)
}
#[inline]
pub(crate) async fn update_pk(
&mut self,
id: String,
peer: LockPeer,
addr: SocketAddr,
uuid: Bytes,
pk: Bytes,
ip: String,
) -> register_pk_response::Result {
log::info!("update_pk {} {:?} {:?} {:?}", id, addr, uuid, pk);
let (info_str, guid) = {
let mut w = peer.write().await;
w.socket_addr = addr;
w.uuid = uuid.clone();
w.pk = pk.clone();
w.last_reg_time = Instant::now();
w.info.ip = ip;
(
serde_json::to_string(&w.info).unwrap_or_default(),
w.guid.clone(),
)
};
if guid.is_empty() {
match self.db.insert_peer(&id, &uuid, &pk, &info_str).await {
Err(err) => {
log::error!("db.insert_peer failed: {}", err);
return register_pk_response::Result::SERVER_ERROR;
}
Ok(guid) => {
peer.write().await.guid = guid;
}
}
} else {
if let Err(err) = self.db.update_pk(&guid, &id, &pk, &info_str).await {
log::error!("db.update_pk failed: {}", err);
return register_pk_response::Result::SERVER_ERROR;
}
log::info!("pk updated instead of insert");
}
register_pk_response::Result::OK
}
#[inline]
pub(crate) async fn get(&self, id: &str) -> Option<LockPeer> {
let p = self.map.read().await.get(id).cloned();
if p.is_some() {
return p;
} else if let Ok(Some(v)) = self.db.get_peer(id).await {
let peer = Peer {
guid: v.guid,
uuid: v.uuid.into(),
pk: v.pk.into(),
// user: v.user,
info: serde_json::from_str::<PeerInfo>(&v.info).unwrap_or_default(),
// disabled: v.status == Some(0),
..Default::default()
};
let peer = Arc::new(RwLock::new(peer));
self.map.write().await.insert(id.to_owned(), peer.clone());
return Some(peer);
}
None
}
#[inline]
pub(crate) async fn get_or(&self, id: &str) -> LockPeer {
if let Some(p) = self.get(id).await {
return p;
}
let mut w = self.map.write().await;
if let Some(p) = w.get(id) {
return p.clone();
}
let tmp = LockPeer::default();
w.insert(id.to_owned(), tmp.clone());
tmp
}
#[inline]
pub(crate) async fn get_in_memory(&self, id: &str) -> Option<LockPeer> {
self.map.read().await.get(id).cloned()
}
#[inline]
pub(crate) async fn is_in_memory(&self, id: &str) -> bool {
self.map.read().await.contains_key(id)
}
}
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