go.uber.org/yarpc@v1.72.1/encoding/thrift/inject.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package thrift
    22  
    23  import (
    24  	"reflect"
    25  	"strings"
    26  
    27  	"go.uber.org/yarpc/api/transport"
    28  )
    29  
    30  // ClientBuilderOptions returns ClientOptions that InjectClients should use
    31  // for a specific Thrift client given information about the field into which
    32  // the client is being injected. This API will usually not be used directly by
    33  // users but by the generated code.
    34  func ClientBuilderOptions(_ transport.ClientConfig, f reflect.StructField) []ClientOption {
    35  	// Note that we don't use ClientConfig right now but since this code is
    36  	// called by generated code, we still accept it so that we can add logic
    37  	// based on it in the future without breaking the API (and thus, all
    38  	// generated code).
    39  
    40  	optionList := strings.Split(f.Tag.Get("thrift"), ",")
    41  	var opts []ClientOption
    42  	for _, opt := range optionList {
    43  		switch strings.ToLower(opt) {
    44  		case "multiplexed":
    45  			opts = append(opts, Multiplexed)
    46  		case "enveloped":
    47  			opts = append(opts, Enveloped)
    48  		case "nowire":
    49  			opts = append(opts, NoWire(true))
    50  		default:
    51  			// Ignore unknown options
    52  		}
    53  	}
    54  	return opts
    55  }