package net

import (
	"git.noahlan.cn/northlan/nnet/interfaces"
	"sync"
)

type SessionMgr struct {
	sync.RWMutex
	sessions map[int64]interfaces.ISession
}

func (m *SessionMgr) storeSession(s interfaces.ISession) {
	m.Lock()
	defer m.Unlock()

	m.sessions[s.ID()] = s
}

func (m *SessionMgr) findSession(sid int64) interfaces.ISession {
	m.RLock()
	defer m.RUnlock()

	return m.sessions[sid]
}

func (m *SessionMgr) findOrCreateSession(sid int64) interfaces.ISession {
	m.RLock()
	s, ok := m.sessions[sid]
	m.RUnlock()

	if !ok {
		s = newSession()

		m.Lock()
		m.sessions[s.ID()] = s
		m.Unlock()
	}
	return s
}