github.com/cloudwego/kitex@v0.9.0/server/stream.go (about)

     1  /*
     2   * Copyright 2023 CloudWeGo Authors
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package server
    18  
    19  import (
    20  	"context"
    21  
    22  	"github.com/cloudwego/kitex/pkg/endpoint"
    23  	"github.com/cloudwego/kitex/pkg/streaming"
    24  )
    25  
    26  func (s *server) initStreamMiddlewares(ctx context.Context) {
    27  	s.opt.Streaming.EventHandler = s.opt.TracerCtl.GetStreamEventHandler()
    28  	s.opt.Streaming.InitMiddlewares(ctx)
    29  }
    30  
    31  func (s *server) buildStreamInvokeChain() {
    32  	s.opt.RemoteOpt.RecvEndpoint = s.opt.Streaming.BuildRecvInvokeChain(s.invokeRecvEndpoint())
    33  	s.opt.RemoteOpt.SendEndpoint = s.opt.Streaming.BuildSendInvokeChain(s.invokeSendEndpoint())
    34  }
    35  
    36  func (s *server) invokeRecvEndpoint() endpoint.RecvEndpoint {
    37  	return func(stream streaming.Stream, resp interface{}) (err error) {
    38  		return stream.RecvMsg(resp)
    39  	}
    40  }
    41  
    42  func (s *server) invokeSendEndpoint() endpoint.SendEndpoint {
    43  	return func(stream streaming.Stream, req interface{}) (err error) {
    44  		return stream.SendMsg(req)
    45  	}
    46  }