forked from heroiclabs/nakama
/
session_registry.go
108 lines (88 loc) · 2.54 KB
/
session_registry.go
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// Copyright 2018 The Nakama Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"context"
"go.uber.org/atomic"
"sync"
"github.com/gofrs/uuid"
"github.com/heroiclabs/nakama/rtapi"
"go.uber.org/zap"
)
type SessionFormat uint8
const (
SessionFormatJson SessionFormat = iota
SessionFormatProtobuf
)
type Session interface {
Logger() *zap.Logger
ID() uuid.UUID
UserID() uuid.UUID
ClientIP() string
ClientPort() string
Context() context.Context
Username() string
SetUsername(string)
Expiry() int64
Consume(func(logger *zap.Logger, session Session, envelope *rtapi.Envelope) bool)
Format() SessionFormat
Send(isStream bool, mode uint8, envelope *rtapi.Envelope) error
SendBytes(isStream bool, mode uint8, payload []byte) error
Close(reason string)
}
type SessionRegistry interface {
Stop()
Count() int
Get(sessionID uuid.UUID) Session
Add(session Session)
Remove(sessionID uuid.UUID)
Disconnect(ctx context.Context, sessionID uuid.UUID, node string) error
}
type LocalSessionRegistry struct {
sessions *sync.Map
sessionCount *atomic.Int32
}
func NewLocalSessionRegistry() SessionRegistry {
return &LocalSessionRegistry{
sessions: &sync.Map{},
sessionCount: atomic.NewInt32(0),
}
}
func (r *LocalSessionRegistry) Stop() {}
func (r *LocalSessionRegistry) Count() int {
return int(r.sessionCount.Load())
}
func (r *LocalSessionRegistry) Get(sessionID uuid.UUID) Session {
session, ok := r.sessions.Load(sessionID)
if !ok {
return nil
}
return session.(Session)
}
func (r *LocalSessionRegistry) Add(session Session) {
r.sessions.Store(session.ID(), session)
r.sessionCount.Inc()
}
func (r *LocalSessionRegistry) Remove(sessionID uuid.UUID) {
r.sessions.Delete(sessionID)
r.sessionCount.Dec()
}
func (r *LocalSessionRegistry) Disconnect(ctx context.Context, sessionID uuid.UUID, node string) error {
session, ok := r.sessions.Load(sessionID)
if ok {
// No need to remove the session from the map, session.Close() will do that.
session.(Session).Close("server-side session disconnect")
}
return nil
}