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lobby.go
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lobby.go
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package main
import (
"fmt"
"math/rand"
"sync"
"time"
)
type Lobby struct {
rooms map[*Room]bool
roomLock sync.Mutex
}
func newLobby() *Lobby {
return &Lobby{
rooms: make(map[*Room]bool),
roomLock: sync.Mutex{},
}
}
func (l *Lobby) createRoom() *Room {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
l.roomLock.Lock()
randID := 0
unique := false
for !unique {
randID = r.Int() % 10000000
unique = true
for room := range l.rooms {
if room.id == randID {
unique = false
break
}
}
}
room := newRoom(randID)
fmt.Printf("Created room %+v\n", room)
go room.run()
l.rooms[room] = true
l.roomLock.Unlock()
go l.clearRooms()
return room
}
func (l *Lobby) clearRooms() {
l.roomLock.Lock()
for room := range l.rooms {
if len(room.clients) == 0 {
fmt.Printf("Cleaning room %+v\n", room)
room.stop()
delete(l.rooms, room)
}
}
l.roomLock.Unlock()
}
func (l *Lobby) joinRoom(id int, c *Client) bool {
var room *Room = nil
l.roomLock.Lock()
for r := range l.rooms {
if r.id == id {
room = r
break
}
}
if room == nil {
l.roomLock.Unlock()
return false
}
c.enterRoom(room)
l.roomLock.Unlock()
return true
}