You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
527 lines
14 KiB
527 lines
14 KiB
// Copyright © 2023 OpenIM. All rights reserved.
|
|
//
|
|
// 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 msggateway
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"github.com/OpenIMSDK/tools/apiresp"
|
|
"net/http"
|
|
"os"
|
|
"os/signal"
|
|
"strconv"
|
|
"sync"
|
|
"sync/atomic"
|
|
"syscall"
|
|
"time"
|
|
|
|
"github.com/go-playground/validator/v10"
|
|
"github.com/redis/go-redis/v9"
|
|
"golang.org/x/sync/errgroup"
|
|
|
|
"github.com/OpenIMSDK/protocol/constant"
|
|
"github.com/OpenIMSDK/protocol/msggateway"
|
|
"github.com/OpenIMSDK/tools/discoveryregistry"
|
|
"github.com/OpenIMSDK/tools/errs"
|
|
"github.com/OpenIMSDK/tools/log"
|
|
"github.com/OpenIMSDK/tools/utils"
|
|
|
|
"github.com/openimsdk/open-im-server/v3/pkg/authverify"
|
|
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
|
|
"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
|
|
"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
|
|
"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
|
|
)
|
|
|
|
type LongConnServer interface {
|
|
Run() error
|
|
wsHandler(w http.ResponseWriter, r *http.Request)
|
|
GetUserAllCons(userID string) ([]*Client, bool)
|
|
GetUserPlatformCons(userID string, platform int) ([]*Client, bool, bool)
|
|
Validate(s any) error
|
|
SetCacheHandler(cache cache.MsgModel)
|
|
SetDiscoveryRegistry(client discoveryregistry.SvcDiscoveryRegistry)
|
|
KickUserConn(client *Client) error
|
|
UnRegister(c *Client)
|
|
SetKickHandlerInfo(i *kickHandler)
|
|
Compressor
|
|
Encoder
|
|
MessageHandler
|
|
}
|
|
|
|
var bufferPool = sync.Pool{
|
|
New: func() any {
|
|
return make([]byte, 1024)
|
|
},
|
|
}
|
|
|
|
type WsServer struct {
|
|
port int
|
|
wsMaxConnNum int64
|
|
registerChan chan *Client
|
|
unregisterChan chan *Client
|
|
kickHandlerChan chan *kickHandler
|
|
clients *UserMap
|
|
clientPool sync.Pool
|
|
onlineUserNum atomic.Int64
|
|
onlineUserConnNum atomic.Int64
|
|
handshakeTimeout time.Duration
|
|
writeBufferSize int
|
|
validate *validator.Validate
|
|
cache cache.MsgModel
|
|
userClient *rpcclient.UserRpcClient
|
|
disCov discoveryregistry.SvcDiscoveryRegistry
|
|
Compressor
|
|
Encoder
|
|
MessageHandler
|
|
}
|
|
type kickHandler struct {
|
|
clientOK bool
|
|
oldClients []*Client
|
|
newClient *Client
|
|
}
|
|
|
|
func (ws *WsServer) SetDiscoveryRegistry(disCov discoveryregistry.SvcDiscoveryRegistry) {
|
|
ws.MessageHandler = NewGrpcHandler(ws.validate, disCov)
|
|
u := rpcclient.NewUserRpcClient(disCov)
|
|
ws.userClient = &u
|
|
ws.disCov = disCov
|
|
}
|
|
|
|
func (ws *WsServer) SetUserOnlineStatus(ctx context.Context, client *Client, status int32) {
|
|
err := ws.userClient.SetUserStatus(ctx, client.UserID, status, client.PlatformID)
|
|
if err != nil {
|
|
log.ZWarn(ctx, "SetUserStatus err", err)
|
|
}
|
|
switch status {
|
|
case constant.Online:
|
|
err := CallbackUserOnline(ctx, client.UserID, client.PlatformID, client.IsBackground, client.ctx.GetConnID())
|
|
if err != nil {
|
|
log.ZWarn(ctx, "CallbackUserOnline err", err)
|
|
}
|
|
case constant.Offline:
|
|
err := CallbackUserOffline(ctx, client.UserID, client.PlatformID, client.ctx.GetConnID())
|
|
if err != nil {
|
|
log.ZWarn(ctx, "CallbackUserOffline err", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (ws *WsServer) SetCacheHandler(cache cache.MsgModel) {
|
|
ws.cache = cache
|
|
}
|
|
|
|
func (ws *WsServer) UnRegister(c *Client) {
|
|
ws.unregisterChan <- c
|
|
}
|
|
|
|
func (ws *WsServer) Validate(s any) error {
|
|
//?question?
|
|
return nil
|
|
}
|
|
|
|
func (ws *WsServer) GetUserAllCons(userID string) ([]*Client, bool) {
|
|
return ws.clients.GetAll(userID)
|
|
}
|
|
|
|
func (ws *WsServer) GetUserPlatformCons(userID string, platform int) ([]*Client, bool, bool) {
|
|
return ws.clients.Get(userID, platform)
|
|
}
|
|
|
|
func NewWsServer(opts ...Option) (*WsServer, error) {
|
|
var config configs
|
|
for _, o := range opts {
|
|
o(&config)
|
|
}
|
|
v := validator.New()
|
|
return &WsServer{
|
|
port: config.port,
|
|
wsMaxConnNum: config.maxConnNum,
|
|
writeBufferSize: config.writeBufferSize,
|
|
handshakeTimeout: config.handshakeTimeout,
|
|
clientPool: sync.Pool{
|
|
New: func() any {
|
|
return new(Client)
|
|
},
|
|
},
|
|
registerChan: make(chan *Client, 1000),
|
|
unregisterChan: make(chan *Client, 1000),
|
|
kickHandlerChan: make(chan *kickHandler, 1000),
|
|
validate: v,
|
|
clients: newUserMap(),
|
|
Compressor: NewGzipCompressor(),
|
|
Encoder: NewGobEncoder(),
|
|
}, nil
|
|
}
|
|
|
|
func (ws *WsServer) Run() error {
|
|
var (
|
|
client *Client
|
|
wg errgroup.Group
|
|
|
|
sigs = make(chan os.Signal, 1)
|
|
done = make(chan struct{}, 1)
|
|
)
|
|
|
|
server := http.Server{Addr: ":" + utils.IntToString(ws.port), Handler: nil}
|
|
|
|
wg.Go(func() error {
|
|
for {
|
|
select {
|
|
case <-done:
|
|
return nil
|
|
|
|
case client = <-ws.registerChan:
|
|
ws.registerClient(client)
|
|
case client = <-ws.unregisterChan:
|
|
ws.unregisterClient(client)
|
|
case onlineInfo := <-ws.kickHandlerChan:
|
|
ws.multiTerminalLoginChecker(onlineInfo.clientOK, onlineInfo.oldClients, onlineInfo.newClient)
|
|
}
|
|
}
|
|
})
|
|
|
|
wg.Go(func() error {
|
|
http.HandleFunc("/", ws.wsHandler)
|
|
return server.ListenAndServe()
|
|
})
|
|
|
|
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
|
|
<-sigs
|
|
|
|
go func() {
|
|
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
|
|
defer cancel()
|
|
|
|
// graceful exit operation for server
|
|
_ = server.Shutdown(ctx)
|
|
_ = wg.Wait()
|
|
close(done)
|
|
}()
|
|
|
|
select {
|
|
case <-done:
|
|
return nil
|
|
|
|
case <-time.After(15 * time.Second):
|
|
return utils.Wrap1(errors.New("timeout exit"))
|
|
}
|
|
|
|
}
|
|
|
|
var concurrentRequest = 3
|
|
|
|
func (ws *WsServer) sendUserOnlineInfoToOtherNode(ctx context.Context, client *Client) error {
|
|
conns, err := ws.disCov.GetConns(ctx, config.Config.RpcRegisterName.OpenImMessageGatewayName)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
wg := errgroup.Group{}
|
|
wg.SetLimit(concurrentRequest)
|
|
|
|
// Online push user online message to other node
|
|
for _, v := range conns {
|
|
v := v // safe closure var
|
|
if v.Target() == ws.disCov.GetSelfConnTarget() {
|
|
log.ZDebug(ctx, "Filter out this node", "node", v.Target())
|
|
continue
|
|
}
|
|
|
|
wg.Go(func() error {
|
|
msgClient := msggateway.NewMsgGatewayClient(v)
|
|
_, err := msgClient.MultiTerminalLoginCheck(ctx, &msggateway.MultiTerminalLoginCheckReq{
|
|
UserID: client.UserID,
|
|
PlatformID: int32(client.PlatformID), Token: client.token,
|
|
})
|
|
if err != nil {
|
|
log.ZWarn(ctx, "MultiTerminalLoginCheck err", err, "node", v.Target())
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
|
|
_ = wg.Wait()
|
|
return nil
|
|
}
|
|
|
|
func (ws *WsServer) SetKickHandlerInfo(i *kickHandler) {
|
|
ws.kickHandlerChan <- i
|
|
}
|
|
|
|
func (ws *WsServer) registerClient(client *Client) {
|
|
var (
|
|
userOK bool
|
|
clientOK bool
|
|
oldClients []*Client
|
|
)
|
|
oldClients, userOK, clientOK = ws.clients.Get(client.UserID, client.PlatformID)
|
|
if !userOK {
|
|
ws.clients.Set(client.UserID, client)
|
|
log.ZDebug(client.ctx, "user not exist", "userID", client.UserID, "platformID", client.PlatformID)
|
|
prommetrics.OnlineUserGauge.Add(1)
|
|
ws.onlineUserNum.Add(1)
|
|
ws.onlineUserConnNum.Add(1)
|
|
} else {
|
|
ws.multiTerminalLoginChecker(clientOK, oldClients, client)
|
|
log.ZDebug(client.ctx, "user exist", "userID", client.UserID, "platformID", client.PlatformID)
|
|
if clientOK {
|
|
ws.clients.Set(client.UserID, client)
|
|
// 已经有同平台的连接存在
|
|
log.ZInfo(client.ctx, "repeat login", "userID", client.UserID, "platformID", client.PlatformID, "old remote addr", getRemoteAdders(oldClients))
|
|
ws.onlineUserConnNum.Add(1)
|
|
} else {
|
|
ws.clients.Set(client.UserID, client)
|
|
ws.onlineUserConnNum.Add(1)
|
|
}
|
|
}
|
|
|
|
wg := sync.WaitGroup{}
|
|
if config.Config.Envs.Discovery == "zookeeper" {
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
_ = ws.sendUserOnlineInfoToOtherNode(client.ctx, client)
|
|
}()
|
|
}
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
ws.SetUserOnlineStatus(client.ctx, client, constant.Online)
|
|
}()
|
|
|
|
wg.Wait()
|
|
|
|
log.ZInfo(
|
|
client.ctx,
|
|
"user online",
|
|
"online user Num",
|
|
ws.onlineUserNum.Load(),
|
|
"online user conn Num",
|
|
ws.onlineUserConnNum.Load(),
|
|
)
|
|
}
|
|
|
|
func getRemoteAdders(client []*Client) string {
|
|
var ret string
|
|
for i, c := range client {
|
|
if i == 0 {
|
|
ret = c.ctx.GetRemoteAddr()
|
|
} else {
|
|
ret += "@" + c.ctx.GetRemoteAddr()
|
|
}
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func (ws *WsServer) KickUserConn(client *Client) error {
|
|
ws.clients.deleteClients(client.UserID, []*Client{client})
|
|
return client.KickOnlineMessage()
|
|
}
|
|
|
|
func (ws *WsServer) multiTerminalLoginChecker(clientOK bool, oldClients []*Client, newClient *Client) {
|
|
switch config.Config.MultiLoginPolicy {
|
|
case constant.DefalutNotKick:
|
|
case constant.PCAndOther:
|
|
if constant.PlatformIDToClass(newClient.PlatformID) == constant.TerminalPC {
|
|
return
|
|
}
|
|
fallthrough
|
|
case constant.AllLoginButSameTermKick:
|
|
if !clientOK {
|
|
return
|
|
}
|
|
|
|
isDeleteUser := ws.clients.deleteClients(newClient.UserID, oldClients)
|
|
if isDeleteUser {
|
|
ws.onlineUserNum.Add(-1)
|
|
}
|
|
for _, c := range oldClients {
|
|
err := c.KickOnlineMessage()
|
|
if err != nil {
|
|
log.ZWarn(c.ctx, "KickOnlineMessage", err)
|
|
}
|
|
}
|
|
m, err := ws.cache.GetTokensWithoutError(
|
|
newClient.ctx,
|
|
newClient.UserID,
|
|
newClient.PlatformID,
|
|
)
|
|
if err != nil && err != redis.Nil {
|
|
log.ZWarn(
|
|
newClient.ctx,
|
|
"get token from redis err",
|
|
err,
|
|
"userID",
|
|
newClient.UserID,
|
|
"platformID",
|
|
newClient.PlatformID,
|
|
)
|
|
return
|
|
}
|
|
if m == nil {
|
|
log.ZWarn(
|
|
newClient.ctx,
|
|
"m is nil",
|
|
errors.New("m is nil"),
|
|
"userID",
|
|
newClient.UserID,
|
|
"platformID",
|
|
newClient.PlatformID,
|
|
)
|
|
return
|
|
}
|
|
log.ZDebug(
|
|
newClient.ctx,
|
|
"get token from redis",
|
|
"userID",
|
|
newClient.UserID,
|
|
"platformID",
|
|
newClient.PlatformID,
|
|
"tokenMap",
|
|
m,
|
|
)
|
|
|
|
for k := range m {
|
|
if k != newClient.ctx.GetToken() {
|
|
m[k] = constant.KickedToken
|
|
}
|
|
}
|
|
log.ZDebug(newClient.ctx, "set token map is ", "token map", m, "userID",
|
|
newClient.UserID, "token", newClient.ctx.GetToken())
|
|
err = ws.cache.SetTokenMapByUidPid(newClient.ctx, newClient.UserID, newClient.PlatformID, m)
|
|
if err != nil {
|
|
log.ZWarn(newClient.ctx, "SetTokenMapByUidPid err", err, "userID", newClient.UserID, "platformID", newClient.PlatformID)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (ws *WsServer) unregisterClient(client *Client) {
|
|
defer ws.clientPool.Put(client)
|
|
isDeleteUser := ws.clients.delete(client.UserID, client.ctx.GetRemoteAddr())
|
|
if isDeleteUser {
|
|
ws.onlineUserNum.Add(-1)
|
|
prommetrics.OnlineUserGauge.Dec()
|
|
}
|
|
ws.onlineUserConnNum.Add(-1)
|
|
ws.SetUserOnlineStatus(client.ctx, client, constant.Offline)
|
|
log.ZInfo(client.ctx, "user offline", "close reason", client.closedErr, "online user Num", ws.onlineUserNum.Load(), "online user conn Num",
|
|
ws.onlineUserConnNum.Load(),
|
|
)
|
|
}
|
|
|
|
func (ws *WsServer) ParseWSArgs(r *http.Request) (args *WSArgs, err error) {
|
|
var v WSArgs
|
|
defer func() {
|
|
args = &v
|
|
}()
|
|
query := r.URL.Query()
|
|
v.MsgResp, _ = strconv.ParseBool(query.Get(MsgResp))
|
|
if ws.onlineUserConnNum.Load() >= ws.wsMaxConnNum {
|
|
return nil, errs.ErrConnOverMaxNumLimit.Wrap("over max conn num limit")
|
|
}
|
|
if v.Token = query.Get(Token); v.Token == "" {
|
|
return nil, errs.ErrConnArgsErr.Wrap("token is empty")
|
|
}
|
|
if v.UserID = query.Get(WsUserID); v.UserID == "" {
|
|
return nil, errs.ErrConnArgsErr.Wrap("sendID is empty")
|
|
}
|
|
platformIDStr := query.Get(PlatformID)
|
|
if platformIDStr == "" {
|
|
return nil, errs.ErrConnArgsErr.Wrap("platformID is empty")
|
|
}
|
|
platformID, err := strconv.Atoi(platformIDStr)
|
|
if err != nil {
|
|
return nil, errs.ErrConnArgsErr.Wrap("platformID is not int")
|
|
}
|
|
v.PlatformID = platformID
|
|
if err = authverify.WsVerifyToken(v.Token, v.UserID, platformID); err != nil {
|
|
return nil, err
|
|
}
|
|
if query.Get(Compression) == GzipCompressionProtocol {
|
|
v.Compression = true
|
|
}
|
|
if r.Header.Get(Compression) == GzipCompressionProtocol {
|
|
v.Compression = true
|
|
}
|
|
m, err := ws.cache.GetTokensWithoutError(context.Background(), v.UserID, platformID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if v, ok := m[v.Token]; ok {
|
|
switch v {
|
|
case constant.NormalToken:
|
|
case constant.KickedToken:
|
|
return nil, errs.ErrTokenKicked.Wrap()
|
|
default:
|
|
return nil, errs.ErrTokenUnknown.Wrap(fmt.Sprintf("token status is %d", v))
|
|
}
|
|
} else {
|
|
return nil, errs.ErrTokenNotExist.Wrap()
|
|
}
|
|
return &v, nil
|
|
}
|
|
|
|
type WSArgs struct {
|
|
Token string
|
|
UserID string
|
|
PlatformID int
|
|
Compression bool
|
|
MsgResp bool
|
|
}
|
|
|
|
func (ws *WsServer) wsHandler(w http.ResponseWriter, r *http.Request) {
|
|
connContext := newContext(w, r)
|
|
args, pErr := ws.ParseWSArgs(r)
|
|
var wsLongConn *GWebSocket
|
|
if args.MsgResp {
|
|
wsLongConn = newGWebSocket(WebSocket, ws.handshakeTimeout, ws.writeBufferSize)
|
|
if err := wsLongConn.GenerateLongConn(w, r); err != nil {
|
|
httpError(connContext, err)
|
|
return
|
|
}
|
|
data, err := json.Marshal(apiresp.ParseError(pErr))
|
|
if err != nil {
|
|
_ = wsLongConn.Close()
|
|
return
|
|
}
|
|
if err := wsLongConn.WriteMessage(MessageText, data); err != nil {
|
|
_ = wsLongConn.Close()
|
|
return
|
|
}
|
|
if pErr != nil {
|
|
_ = wsLongConn.Close()
|
|
return
|
|
}
|
|
} else {
|
|
if pErr != nil {
|
|
httpError(connContext, pErr)
|
|
return
|
|
}
|
|
wsLongConn = newGWebSocket(WebSocket, ws.handshakeTimeout, ws.writeBufferSize)
|
|
if err := wsLongConn.GenerateLongConn(w, r); err != nil {
|
|
httpError(connContext, err)
|
|
return
|
|
}
|
|
}
|
|
client := ws.clientPool.Get().(*Client)
|
|
client.ResetClient(connContext, wsLongConn, connContext.GetBackground(), args.Compression, ws, args.Token)
|
|
ws.registerChan <- client
|
|
go client.readMessage()
|
|
}
|