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136 lines
3.6 KiB
136 lines
3.6 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package msggateway
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import (
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"context"
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"sync"
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"github.com/openimsdk/tools/log"
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"github.com/openimsdk/tools/utils/datautil"
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)
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type UserMap struct {
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m sync.Map
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}
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func newUserMap() *UserMap {
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return &UserMap{}
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}
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func (u *UserMap) GetAll(key string) ([]*Client, bool) {
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allClients, ok := u.m.Load(key)
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if ok {
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return allClients.([]*Client), ok
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}
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return nil, ok
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}
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func (u *UserMap) Get(key string, platformID int) ([]*Client, bool, bool) {
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allClients, userExisted := u.m.Load(key)
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if userExisted {
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var clients []*Client
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for _, client := range allClients.([]*Client) {
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if client.PlatformID == platformID {
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clients = append(clients, client)
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}
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}
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if len(clients) > 0 {
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return clients, userExisted, true
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}
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return clients, userExisted, false
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}
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return nil, userExisted, false
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}
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// Set adds a client to the map.
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func (u *UserMap) Set(key string, v *Client) {
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allClients, existed := u.m.Load(key)
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if existed {
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log.ZDebug(context.Background(), "Set existed", "user_id", key, "client_user_id", v.UserID)
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oldClients := allClients.([]*Client)
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oldClients = append(oldClients, v)
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u.m.Store(key, oldClients)
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} else {
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log.ZDebug(context.Background(), "Set not existed", "user_id", key, "client_user_id", v.UserID)
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var clients []*Client
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clients = append(clients, v)
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u.m.Store(key, clients)
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}
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}
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func (u *UserMap) delete(key string, connRemoteAddr string) (isDeleteUser bool) {
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// Attempt to load the clients associated with the key.
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allClients, existed := u.m.Load(key)
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if !existed {
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// Return false immediately if the key does not exist.
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return false
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}
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// Convert allClients to a slice of *Client.
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oldClients := allClients.([]*Client)
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var remainingClients []*Client
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for _, client := range oldClients {
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// Keep clients that do not match the connRemoteAddr.
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if client.ctx.GetRemoteAddr() != connRemoteAddr {
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remainingClients = append(remainingClients, client)
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}
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}
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// If no clients remain after filtering, delete the key from the map.
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if len(remainingClients) == 0 {
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u.m.Delete(key)
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return true
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}
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// Otherwise, update the key with the remaining clients.
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u.m.Store(key, remainingClients)
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return false
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}
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func (u *UserMap) deleteClients(key string, clients []*Client) (isDeleteUser bool) {
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m := datautil.SliceToMapAny(clients, func(c *Client) (string, struct{}) {
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return c.ctx.GetRemoteAddr(), struct{}{}
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})
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allClients, existed := u.m.Load(key)
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if !existed {
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// If the key doesn't exist, return false.
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return false
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}
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// Filter out clients that are in the deleteMap.
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oldClients := allClients.([]*Client)
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var remainingClients []*Client
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for _, client := range oldClients {
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if _, shouldBeDeleted := m[client.ctx.GetRemoteAddr()]; !shouldBeDeleted {
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remainingClients = append(remainingClients, client)
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}
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}
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// Update or delete the key based on the remaining clients.
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if len(remainingClients) == 0 {
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u.m.Delete(key)
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return true
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}
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u.m.Store(key, remainingClients)
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return false
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}
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func (u *UserMap) DeleteAll(key string) {
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u.m.Delete(key)
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}
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