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.
286 lines
8.3 KiB
286 lines
8.3 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"
|
|
"errors"
|
|
"fmt"
|
|
"runtime/debug"
|
|
"sync"
|
|
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/apiresp"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/log"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/proto/sdkws"
|
|
"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
|
|
"google.golang.org/protobuf/proto"
|
|
)
|
|
|
|
var ErrConnClosed = errors.New("conn has closed")
|
|
var ErrNotSupportMessageProtocol = errors.New("not support message protocol")
|
|
var ErrClientClosed = errors.New("client actively close the connection")
|
|
var ErrPanic = errors.New("panic error")
|
|
|
|
const (
|
|
// MessageText is for UTF-8 encoded text messages like JSON.
|
|
MessageText = iota + 1
|
|
// MessageBinary is for binary messages like protobufs.
|
|
MessageBinary
|
|
// CloseMessage denotes a close control message. The optional message
|
|
// payload contains a numeric code and text. Use the FormatCloseMessage
|
|
// function to format a close message payload.
|
|
CloseMessage = 8
|
|
|
|
// PingMessage denotes a ping control message. The optional message payload
|
|
// is UTF-8 encoded text.
|
|
PingMessage = 9
|
|
|
|
// PongMessage denotes a pong control message. The optional message payload
|
|
// is UTF-8 encoded text.
|
|
PongMessage = 10
|
|
)
|
|
|
|
type PongHandler func(string) error
|
|
|
|
type Client struct {
|
|
w *sync.Mutex
|
|
conn LongConn
|
|
PlatformID int `json:"platformID"`
|
|
IsCompress bool `json:"isCompress"`
|
|
UserID string `json:"userID"`
|
|
IsBackground bool `json:"isBackground"`
|
|
ctx *UserConnContext
|
|
longConnServer LongConnServer
|
|
closed bool
|
|
closedErr error
|
|
token string
|
|
}
|
|
|
|
func newClient(ctx *UserConnContext, conn LongConn, isCompress bool) *Client {
|
|
return &Client{
|
|
w: new(sync.Mutex),
|
|
conn: conn,
|
|
PlatformID: utils.StringToInt(ctx.GetPlatformID()),
|
|
IsCompress: isCompress,
|
|
UserID: ctx.GetUserID(),
|
|
ctx: ctx,
|
|
}
|
|
}
|
|
func (c *Client) ResetClient(ctx *UserConnContext, conn LongConn, isBackground, isCompress bool, longConnServer LongConnServer, token string) {
|
|
c.w = new(sync.Mutex)
|
|
c.conn = conn
|
|
c.PlatformID = utils.StringToInt(ctx.GetPlatformID())
|
|
c.IsCompress = isCompress
|
|
c.IsBackground = isBackground
|
|
c.UserID = ctx.GetUserID()
|
|
c.ctx = ctx
|
|
c.longConnServer = longConnServer
|
|
c.IsBackground = false
|
|
c.closed = false
|
|
c.closedErr = nil
|
|
c.token = token
|
|
}
|
|
func (c *Client) pongHandler(_ string) error {
|
|
c.conn.SetReadDeadline(pongWait)
|
|
return nil
|
|
}
|
|
func (c *Client) readMessage() {
|
|
defer func() {
|
|
if r := recover(); r != nil {
|
|
c.closedErr = ErrPanic
|
|
fmt.Println("socket have panic err:", r, string(debug.Stack()))
|
|
}
|
|
c.close()
|
|
}()
|
|
c.conn.SetReadLimit(maxMessageSize)
|
|
_ = c.conn.SetReadDeadline(pongWait)
|
|
c.conn.SetPongHandler(c.pongHandler)
|
|
for {
|
|
messageType, message, returnErr := c.conn.ReadMessage()
|
|
if returnErr != nil {
|
|
c.closedErr = returnErr
|
|
return
|
|
}
|
|
log.ZDebug(c.ctx, "readMessage", "messageType", messageType)
|
|
if c.closed == true { //连接刚置位已经关闭，但是协程还没退出的场景
|
|
c.closedErr = ErrConnClosed
|
|
return
|
|
}
|
|
switch messageType {
|
|
case MessageBinary:
|
|
_ = c.conn.SetReadDeadline(pongWait)
|
|
parseDataErr := c.handleMessage(message)
|
|
if parseDataErr != nil {
|
|
c.closedErr = parseDataErr
|
|
return
|
|
}
|
|
case MessageText:
|
|
c.closedErr = ErrNotSupportMessageProtocol
|
|
return
|
|
case PingMessage:
|
|
err := c.writePongMsg()
|
|
log.ZError(c.ctx, "writePongMsg", err)
|
|
case CloseMessage:
|
|
c.closedErr = ErrClientClosed
|
|
return
|
|
default:
|
|
}
|
|
}
|
|
|
|
}
|
|
func (c *Client) handleMessage(message []byte) error {
|
|
if c.IsCompress {
|
|
var decompressErr error
|
|
message, decompressErr = c.longConnServer.DeCompress(message)
|
|
if decompressErr != nil {
|
|
return utils.Wrap(decompressErr, "")
|
|
}
|
|
}
|
|
var binaryReq Req
|
|
err := c.longConnServer.Decode(message, &binaryReq)
|
|
if err != nil {
|
|
return utils.Wrap(err, "")
|
|
}
|
|
if err := c.longConnServer.Validate(binaryReq); err != nil {
|
|
return utils.Wrap(err, "")
|
|
}
|
|
if binaryReq.SendID != c.UserID {
|
|
return utils.Wrap(errors.New("exception conn userID not same to req userID"), binaryReq.String())
|
|
}
|
|
ctx := mcontext.WithMustInfoCtx([]string{binaryReq.OperationID, binaryReq.SendID, constant.PlatformIDToName(c.PlatformID), c.ctx.GetConnID()})
|
|
log.ZDebug(ctx, "gateway req message", "req", binaryReq.String())
|
|
var messageErr error
|
|
var resp []byte
|
|
switch binaryReq.ReqIdentifier {
|
|
case WSGetNewestSeq:
|
|
resp, messageErr = c.longConnServer.GetSeq(ctx, binaryReq)
|
|
case WSSendMsg:
|
|
resp, messageErr = c.longConnServer.SendMessage(ctx, binaryReq)
|
|
case WSSendSignalMsg:
|
|
resp, messageErr = c.longConnServer.SendSignalMessage(ctx, binaryReq)
|
|
case WSPullMsgBySeqList:
|
|
resp, messageErr = c.longConnServer.PullMessageBySeqList(ctx, binaryReq)
|
|
case WsLogoutMsg:
|
|
resp, messageErr = c.longConnServer.UserLogout(ctx, binaryReq)
|
|
case WsSetBackgroundStatus:
|
|
resp, messageErr = c.setAppBackgroundStatus(ctx, binaryReq)
|
|
default:
|
|
return fmt.Errorf("ReqIdentifier failed,sendID:%s,msgIncr:%s,reqIdentifier:%d", binaryReq.SendID, binaryReq.MsgIncr, binaryReq.ReqIdentifier)
|
|
}
|
|
c.replyMessage(ctx, &binaryReq, messageErr, resp)
|
|
return nil
|
|
|
|
}
|
|
func (c *Client) setAppBackgroundStatus(ctx context.Context, req Req) ([]byte, error) {
|
|
resp, isBackground, messageErr := c.longConnServer.SetUserDeviceBackground(ctx, req)
|
|
if messageErr != nil {
|
|
return nil, messageErr
|
|
}
|
|
c.IsBackground = isBackground
|
|
//todo callback
|
|
return resp, nil
|
|
|
|
}
|
|
func (c *Client) close() {
|
|
c.w.Lock()
|
|
defer c.w.Unlock()
|
|
c.closed = true
|
|
c.conn.Close()
|
|
c.longConnServer.UnRegister(c)
|
|
|
|
}
|
|
func (c *Client) replyMessage(ctx context.Context, binaryReq *Req, err error, resp []byte) {
|
|
errResp := apiresp.ParseError(err)
|
|
mReply := Resp{
|
|
ReqIdentifier: binaryReq.ReqIdentifier,
|
|
MsgIncr: binaryReq.MsgIncr,
|
|
OperationID: binaryReq.OperationID,
|
|
ErrCode: errResp.ErrCode,
|
|
ErrMsg: errResp.ErrMsg,
|
|
Data: resp,
|
|
}
|
|
log.ZDebug(ctx, "gateway reply message", "resp", mReply.String())
|
|
err = c.writeBinaryMsg(mReply)
|
|
if err != nil {
|
|
log.ZWarn(ctx, "wireBinaryMsg replyMessage", err, "resp", mReply.String())
|
|
}
|
|
}
|
|
func (c *Client) PushMessage(ctx context.Context, msgData *sdkws.MsgData) error {
|
|
var msg sdkws.PushMessages
|
|
conversationID := utils.GetConversationIDByMsg(msgData)
|
|
m := map[string]*sdkws.PullMsgs{conversationID: {Msgs: []*sdkws.MsgData{msgData}}}
|
|
if utils.IsNotification(conversationID) {
|
|
msg.NotificationMsgs = m
|
|
} else {
|
|
msg.Msgs = m
|
|
}
|
|
log.ZDebug(ctx, "PushMessage", "msg", &msg)
|
|
data, err := proto.Marshal(&msg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
resp := Resp{
|
|
ReqIdentifier: WSPushMsg,
|
|
OperationID: mcontext.GetOperationID(ctx),
|
|
Data: data,
|
|
}
|
|
return c.writeBinaryMsg(resp)
|
|
}
|
|
|
|
func (c *Client) KickOnlineMessage() error {
|
|
resp := Resp{
|
|
ReqIdentifier: WSKickOnlineMsg,
|
|
}
|
|
return c.writeBinaryMsg(resp)
|
|
}
|
|
|
|
func (c *Client) writeBinaryMsg(resp Resp) error {
|
|
c.w.Lock()
|
|
defer c.w.Unlock()
|
|
if c.closed == true {
|
|
return nil
|
|
}
|
|
encodedBuf := bufferPool.Get().([]byte)
|
|
resultBuf := bufferPool.Get().([]byte)
|
|
encodedBuf, err := c.longConnServer.Encode(resp)
|
|
if err != nil {
|
|
return utils.Wrap(err, "")
|
|
}
|
|
_ = c.conn.SetWriteDeadline(writeWait)
|
|
if c.IsCompress {
|
|
var compressErr error
|
|
resultBuf, compressErr = c.longConnServer.Compress(encodedBuf)
|
|
if compressErr != nil {
|
|
return utils.Wrap(compressErr, "")
|
|
}
|
|
return c.conn.WriteMessage(MessageBinary, resultBuf)
|
|
} else {
|
|
return c.conn.WriteMessage(MessageBinary, encodedBuf)
|
|
}
|
|
}
|
|
|
|
func (c *Client) writePongMsg() error {
|
|
c.w.Lock()
|
|
defer c.w.Unlock()
|
|
if c.closed == true {
|
|
return nil
|
|
}
|
|
_ = c.conn.SetWriteDeadline(writeWait)
|
|
return c.conn.WriteMessage(PongMessage, nil)
|
|
|
|
}
|