github.com/tickoalcantara12/micro/v3@v3.0.0-20221007104245-9d75b9bcbab9/service/client/grpc/request.go (about)

     1  // Copyright 2020 Asim Aslam
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  // Original source: github.com/micro/go-micro/v3/client/grpc/request.go
    16  
    17  package grpc
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  
    23  	"github.com/tickoalcantara12/micro/v3/service/client"
    24  	"github.com/tickoalcantara12/micro/v3/util/codec"
    25  )
    26  
    27  type grpcRequest struct {
    28  	service     string
    29  	method      string
    30  	contentType string
    31  	request     interface{}
    32  	opts        client.RequestOptions
    33  	codec       codec.Codec
    34  }
    35  
    36  // service Struct.Method /service.Struct/Method
    37  func methodToGRPC(service, method string) string {
    38  	// no method or already grpc method
    39  	if len(method) == 0 || method[0] == '/' {
    40  		return method
    41  	}
    42  
    43  	// assume method is Foo.Bar
    44  	mParts := strings.Split(method, ".")
    45  	if len(mParts) != 2 {
    46  		return method
    47  	}
    48  
    49  	if len(service) == 0 {
    50  		return fmt.Sprintf("/%s/%s", mParts[0], mParts[1])
    51  	}
    52  
    53  	// return /pkg.Foo/Bar
    54  	return fmt.Sprintf("/%s.%s/%s", service, mParts[0], mParts[1])
    55  }
    56  
    57  func newGRPCRequest(service, method string, request interface{}, contentType string, reqOpts ...client.RequestOption) client.Request {
    58  	var opts client.RequestOptions
    59  	for _, o := range reqOpts {
    60  		o(&opts)
    61  	}
    62  
    63  	// set the content-type specified
    64  	if len(opts.ContentType) > 0 {
    65  		contentType = opts.ContentType
    66  	}
    67  
    68  	return &grpcRequest{
    69  		service:     service,
    70  		method:      method,
    71  		request:     request,
    72  		contentType: contentType,
    73  		opts:        opts,
    74  	}
    75  }
    76  
    77  func (g *grpcRequest) ContentType() string {
    78  	return g.contentType
    79  }
    80  
    81  func (g *grpcRequest) Service() string {
    82  	return g.service
    83  }
    84  
    85  func (g *grpcRequest) Method() string {
    86  	return g.method
    87  }
    88  
    89  func (g *grpcRequest) Endpoint() string {
    90  	return g.method
    91  }
    92  
    93  func (g *grpcRequest) Codec() codec.Writer {
    94  	return g.codec
    95  }
    96  
    97  func (g *grpcRequest) Body() interface{} {
    98  	return g.request
    99  }
   100  
   101  func (g *grpcRequest) Stream() bool {
   102  	return g.opts.Stream
   103  }