netbird/relay/server/store.go
Zoltan Papp 0c039274a4
[relay] Feature/relay integration (#2244)
This update adds new relay integration for NetBird clients. The new relay is based on web sockets and listens on a single port.

- Adds new relay implementation with websocket with single port relaying mechanism
- refactor peer connection logic, allowing upgrade and downgrade from/to P2P connection
- peer connections are faster since it connects first to relay and then upgrades to P2P
- maintains compatibility with old clients by not using the new relay
- updates infrastructure scripts with new relay service
2024-09-08 12:06:14 +02:00

65 lines
1.3 KiB
Go

package server
import (
"sync"
)
// Store is a thread-safe store of peers
// It is used to store the peers that are connected to the relay server
type Store struct {
peers map[string]*Peer // consider to use [32]byte as key. The Peer(id string) would be faster
peersLock sync.RWMutex
}
// NewStore creates a new Store instance
func NewStore() *Store {
return &Store{
peers: make(map[string]*Peer),
}
}
// AddPeer adds a peer to the store
// todo: consider to close peer conn if the peer already exists
func (s *Store) AddPeer(peer *Peer) {
s.peersLock.Lock()
defer s.peersLock.Unlock()
s.peers[peer.String()] = peer
}
// DeletePeer deletes a peer from the store
func (s *Store) DeletePeer(peer *Peer) {
s.peersLock.Lock()
defer s.peersLock.Unlock()
dp, ok := s.peers[peer.String()]
if !ok {
return
}
if dp != peer {
return
}
delete(s.peers, peer.String())
}
// Peer returns a peer by its ID
func (s *Store) Peer(id string) (*Peer, bool) {
s.peersLock.RLock()
defer s.peersLock.RUnlock()
p, ok := s.peers[id]
return p, ok
}
// Peers returns all the peers in the store
func (s *Store) Peers() []*Peer {
s.peersLock.RLock()
defer s.peersLock.RUnlock()
peers := make([]*Peer, 0, len(s.peers))
for _, p := range s.peers {
peers = append(peers, p)
}
return peers
}