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Open-IM-Server/internal/msggateway/message_handler.go

240 lines
8.1 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"
"sync"
"github.com/go-playground/validator/v10"
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
"github.com/openimsdk/protocol/msg"
"github.com/openimsdk/protocol/push"
"github.com/openimsdk/protocol/sdkws"
"github.com/openimsdk/tools/discovery"
"github.com/openimsdk/tools/errs"
"github.com/openimsdk/tools/utils/jsonutil"
"google.golang.org/protobuf/proto"
)
type Req struct {
ReqIdentifier int32 `json:"reqIdentifier" validate:"required"`
Token string `json:"token"`
SendID string `json:"sendID" validate:"required"`
OperationID string `json:"operationID" validate:"required"`
MsgIncr string `json:"msgIncr" validate:"required"`
Data []byte `json:"data"`
}
func (r *Req) String() string {
var tReq Req
tReq.ReqIdentifier = r.ReqIdentifier
tReq.Token = r.Token
tReq.SendID = r.SendID
tReq.OperationID = r.OperationID
tReq.MsgIncr = r.MsgIncr
return jsonutil.StructToJsonString(tReq)
}
var reqPool = sync.Pool{
New: func() any {
return new(Req)
},
}
func getReq() *Req {
req := reqPool.Get().(*Req)
req.Data = nil
req.MsgIncr = ""
req.OperationID = ""
req.ReqIdentifier = 0
req.SendID = ""
req.Token = ""
return req
}
func freeReq(req *Req) {
reqPool.Put(req)
}
type Resp struct {
ReqIdentifier int32 `json:"reqIdentifier"`
MsgIncr string `json:"msgIncr"`
OperationID string `json:"operationID"`
ErrCode int `json:"errCode"`
ErrMsg string `json:"errMsg"`
Data []byte `json:"data"`
}
func (r *Resp) String() string {
var tResp Resp
tResp.ReqIdentifier = r.ReqIdentifier
tResp.MsgIncr = r.MsgIncr
tResp.OperationID = r.OperationID
tResp.ErrCode = r.ErrCode
tResp.ErrMsg = r.ErrMsg
return jsonutil.StructToJsonString(tResp)
}
type MessageHandler interface {
GetSeq(context context.Context, data *Req) ([]byte, error)
SendMessage(context context.Context, data *Req) ([]byte, error)
SendSignalMessage(context context.Context, data *Req) ([]byte, error)
PullMessageBySeqList(context context.Context, data *Req) ([]byte, error)
GetSeqMessage(context context.Context, data *Req) ([]byte, error)
UserLogout(context context.Context, data *Req) ([]byte, error)
SetUserDeviceBackground(context context.Context, data *Req) ([]byte, bool, error)
}
var _ MessageHandler = (*GrpcHandler)(nil)
type GrpcHandler struct {
msgRpcClient *rpcclient.MessageRpcClient
pushClient *rpcclient.PushRpcClient
validate *validator.Validate
}
func NewGrpcHandler(validate *validator.Validate, client discovery.SvcDiscoveryRegistry, rpcRegisterName *config.RpcRegisterName) *GrpcHandler {
msgRpcClient := rpcclient.NewMessageRpcClient(client, rpcRegisterName.Msg)
pushRpcClient := rpcclient.NewPushRpcClient(client, rpcRegisterName.Push)
return &GrpcHandler{
msgRpcClient: &msgRpcClient,
pushClient: &pushRpcClient, validate: validate,
}
}
func (g GrpcHandler) GetSeq(ctx context.Context, data *Req) ([]byte, error) {
req := sdkws.GetMaxSeqReq{}
if err := proto.Unmarshal(data.Data, &req); err != nil {
return nil, errs.WrapMsg(err, "GetSeq: error unmarshaling request", "action", "unmarshal", "dataType", "GetMaxSeqReq")
}
if err := g.validate.Struct(&req); err != nil {
return nil, errs.WrapMsg(err, "GetSeq: validation failed", "action", "validate", "dataType", "GetMaxSeqReq")
}
resp, err := g.msgRpcClient.GetMaxSeq(ctx, &req)
if err != nil {
return nil, err
}
c, err := proto.Marshal(resp)
if err != nil {
return nil, errs.WrapMsg(err, "GetSeq: error marshaling response", "action", "marshal", "dataType", "GetMaxSeqResp")
}
return c, nil
}
// SendMessage handles the sending of messages through gRPC. It unmarshals the request data,
// validates the message, and then sends it using the message RPC client.
func (g GrpcHandler) SendMessage(ctx context.Context, data *Req) ([]byte, error) {
var msgData sdkws.MsgData
if err := proto.Unmarshal(data.Data, &msgData); err != nil {
return nil, errs.WrapMsg(err, "SendMessage: error unmarshaling message data", "action", "unmarshal", "dataType", "MsgData")
}
if err := g.validate.Struct(&msgData); err != nil {
return nil, errs.WrapMsg(err, "SendMessage: message data validation failed", "action", "validate", "dataType", "MsgData")
}
req := msg.SendMsgReq{MsgData: &msgData}
resp, err := g.msgRpcClient.SendMsg(ctx, &req)
if err != nil {
return nil, err
}
c, err := proto.Marshal(resp)
if err != nil {
return nil, errs.WrapMsg(err, "SendMessage: error marshaling response", "action", "marshal", "dataType", "SendMsgResp")
}
return c, nil
}
func (g GrpcHandler) SendSignalMessage(context context.Context, data *Req) ([]byte, error) {
resp, err := g.msgRpcClient.SendMsg(context, nil)
if err != nil {
return nil, err
}
c, err := proto.Marshal(resp)
if err != nil {
return nil, errs.WrapMsg(err, "error marshaling response", "action", "marshal", "dataType", "SendMsgResp")
}
return c, nil
}
func (g GrpcHandler) PullMessageBySeqList(context context.Context, data *Req) ([]byte, error) {
req := sdkws.PullMessageBySeqsReq{}
if err := proto.Unmarshal(data.Data, &req); err != nil {
return nil, errs.WrapMsg(err, "error unmarshaling request", "action", "unmarshal", "dataType", "PullMessageBySeqsReq")
}
if err := g.validate.Struct(data); err != nil {
return nil, errs.WrapMsg(err, "validation failed", "action", "validate", "dataType", "PullMessageBySeqsReq")
}
resp, err := g.msgRpcClient.PullMessageBySeqList(context, &req)
if err != nil {
return nil, err
}
c, err := proto.Marshal(resp)
if err != nil {
return nil, errs.WrapMsg(err, "error marshaling response", "action", "marshal", "dataType", "PullMessageBySeqsResp")
}
return c, nil
}
func (g GrpcHandler) GetSeqMessage(context context.Context, data *Req) ([]byte, error) {
req := msg.GetSeqMessageReq{}
if err := proto.Unmarshal(data.Data, &req); err != nil {
return nil, errs.WrapMsg(err, "error unmarshaling request", "action", "unmarshal", "dataType", "GetSeqMessage")
}
if err := g.validate.Struct(data); err != nil {
return nil, errs.WrapMsg(err, "validation failed", "action", "validate", "dataType", "GetSeqMessage")
}
resp, err := g.msgRpcClient.GetSeqMessage(context, &req)
if err != nil {
return nil, err
}
c, err := proto.Marshal(resp)
if err != nil {
return nil, errs.WrapMsg(err, "error marshaling response", "action", "marshal", "dataType", "GetSeqMessage")
}
return c, nil
}
func (g GrpcHandler) UserLogout(context context.Context, data *Req) ([]byte, error) {
req := push.DelUserPushTokenReq{}
if err := proto.Unmarshal(data.Data, &req); err != nil {
return nil, errs.WrapMsg(err, "error unmarshaling request", "action", "unmarshal", "dataType", "DelUserPushTokenReq")
}
resp, err := g.pushClient.DelUserPushToken(context, &req)
if err != nil {
return nil, err
}
c, err := proto.Marshal(resp)
if err != nil {
return nil, errs.WrapMsg(err, "error marshaling response", "action", "marshal", "dataType", "DelUserPushTokenResp")
}
return c, nil
}
func (g GrpcHandler) SetUserDeviceBackground(_ context.Context, data *Req) ([]byte, bool, error) {
req := sdkws.SetAppBackgroundStatusReq{}
if err := proto.Unmarshal(data.Data, &req); err != nil {
return nil, false, errs.WrapMsg(err, "error unmarshaling request", "action", "unmarshal", "dataType", "SetAppBackgroundStatusReq")
}
if err := g.validate.Struct(data); err != nil {
return nil, false, errs.WrapMsg(err, "validation failed", "action", "validate", "dataType", "SetAppBackgroundStatusReq")
}
return nil, req.IsBackground, nil
}