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neko-custom/server/internal/session/manager.go
2020-02-12 23:13:33 +00:00

163 lines
3.5 KiB
Go

package session
import (
"fmt"
"github.com/kataras/go-events"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"n.eko.moe/neko/internal/types"
"n.eko.moe/neko/internal/utils"
)
func New() *SessionManager {
return &SessionManager{
logger: log.With().Str("module", "session").Logger(),
host: "",
members: make(map[string]*Session),
emmiter: events.New(),
}
}
type SessionManager struct {
logger zerolog.Logger
host string
members map[string]*Session
emmiter events.EventEmmiter
}
func (manager *SessionManager) New(id string, admin bool, socket types.WebScoket) types.Session {
session := &Session{
id: id,
admin: admin,
manager: manager,
socket: socket,
logger: manager.logger.With().Str("id", id).Logger(),
connected: false,
}
manager.members[id] = session
manager.emmiter.Emit("created", id, session)
return session
}
func (manager *SessionManager) HasHost() bool {
return manager.host != ""
}
func (manager *SessionManager) IsHost(id string) bool {
return manager.host == id
}
func (manager *SessionManager) SetHost(id string) error {
_, ok := manager.members[id]
if ok {
manager.host = id
manager.emmiter.Emit("host", id)
return nil
}
return fmt.Errorf("invalid session id %s", id)
}
func (manager *SessionManager) GetHost() (types.Session, bool) {
host, ok := manager.members[manager.host]
return host, ok
}
func (manager *SessionManager) ClearHost() {
id := manager.host
manager.host = ""
manager.emmiter.Emit("host_cleared", id)
}
func (manager *SessionManager) Has(id string) bool {
_, ok := manager.members[id]
return ok
}
func (manager *SessionManager) Get(id string) (types.Session, bool) {
session, ok := manager.members[id]
return session, ok
}
func (manager *SessionManager) Members() []*types.Member {
members := []*types.Member{}
for _, session := range manager.members {
if !session.connected {
continue
}
member := session.Member()
if member != nil {
members = append(members, member)
}
}
return members
}
func (manager *SessionManager) Destroy(id string) error {
session, ok := manager.members[id]
if ok {
err := session.destroy()
delete(manager.members, id)
manager.emmiter.Emit("destroyed", id)
return err
}
return nil
}
func (manager *SessionManager) Clear() error {
return nil
}
func (manager *SessionManager) Brodcast(v interface{}, exclude interface{}) error {
for id, session := range manager.members {
if !session.connected {
continue
}
if exclude != nil {
if in, _ := utils.ArrayIn(id, exclude); in {
continue
}
}
if err := session.Send(v); err != nil {
return err
}
}
return nil
}
func (manager *SessionManager) OnHost(listener func(id string)) {
manager.emmiter.On("host", func(payload ...interface{}) {
listener(payload[0].(string))
})
}
func (manager *SessionManager) OnHostCleared(listener func(id string)) {
manager.emmiter.On("host_cleared", func(payload ...interface{}) {
listener(payload[0].(string))
})
}
func (manager *SessionManager) OnDestroy(listener func(id string)) {
manager.emmiter.On("destroyed", func(payload ...interface{}) {
listener(payload[0].(string))
})
}
func (manager *SessionManager) OnCreated(listener func(id string, session types.Session)) {
manager.emmiter.On("created", func(payload ...interface{}) {
listener(payload[0].(string), payload[1].(*Session))
})
}
func (manager *SessionManager) OnConnected(listener func(id string, session types.Session)) {
manager.emmiter.On("connected", func(payload ...interface{}) {
listener(payload[0].(string), payload[1].(*Session))
})
}