/
room.go
78 lines (63 loc) · 1.22 KB
/
room.go
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package socket
import "sync"
// Room is a collection of Sockets
type Room interface {
// Name returns the room name
Name() string
// Size returns the # of sockets in the room
Size() int
// Join adds a socket to the Room
Join(so Socket)
// Leave removes a socket from the Room
Leave(so Socket)
// Emit sends to all members of the room
Emitter
}
type room struct {
sync.RWMutex
name string
sockets map[Socket]struct{}
}
func newRoom(name string) Room {
return &room{
name: name,
sockets: make(map[Socket]struct{}),
}
}
func (r *room) Name() string {
return r.name
}
func (r *room) Join(so Socket) {
r.Lock()
defer r.Unlock()
r.sockets[so] = struct{}{}
}
func (r *room) Leave(so Socket) {
r.Lock()
defer r.Unlock()
delete(r.sockets, so)
}
func (r *room) Size() int {
r.RLock()
defer r.RUnlock()
return len(r.sockets)
}
func (r *room) getSockets() []Socket {
r.RLock()
defer r.RUnlock()
sockets := make([]Socket, len(r.sockets))
i := 0
for so, _ := range r.sockets {
sockets[i] = so
i++
}
return sockets
}
func (r *room) Emit(event string, args ...interface{}) (err error) {
for _, so := range r.getSockets() {
if er := so.Emit(event, args...); er != nil {
err = er
}
}
return err
}