go.uber.org/yarpc@v1.72.1/transport/tchannel/codes.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 tchannel
    22  
    23  import (
    24  	"github.com/uber/tchannel-go"
    25  	"go.uber.org/yarpc/yarpcerrors"
    26  )
    27  
    28  var (
    29  	// _codeToTChannelCode maps Codes to their corresponding TChannel SystemErrCode.
    30  	//
    31  	// This only covers system-level errors, so if the code is not in the map,
    32  	// it should not result in TChannel returning a system-level error.
    33  	_codeToTChannelCode = map[yarpcerrors.Code]tchannel.SystemErrCode{
    34  		yarpcerrors.CodeCancelled:         tchannel.ErrCodeCancelled,
    35  		yarpcerrors.CodeUnknown:           tchannel.ErrCodeUnexpected,
    36  		yarpcerrors.CodeInvalidArgument:   tchannel.ErrCodeBadRequest,
    37  		yarpcerrors.CodeDeadlineExceeded:  tchannel.ErrCodeTimeout,
    38  		yarpcerrors.CodeUnimplemented:     tchannel.ErrCodeBadRequest,
    39  		yarpcerrors.CodeInternal:          tchannel.ErrCodeUnexpected,
    40  		yarpcerrors.CodeUnavailable:       tchannel.ErrCodeDeclined,
    41  		yarpcerrors.CodeDataLoss:          tchannel.ErrCodeProtocol,
    42  		yarpcerrors.CodeResourceExhausted: tchannel.ErrCodeBusy,
    43  	}
    44  
    45  	// _tchannelCodeToCode maps TChannel SystemErrCodes to their corresponding Code.
    46  	_tchannelCodeToCode = map[tchannel.SystemErrCode]yarpcerrors.Code{
    47  		tchannel.ErrCodeTimeout:    yarpcerrors.CodeDeadlineExceeded,
    48  		tchannel.ErrCodeCancelled:  yarpcerrors.CodeCancelled,
    49  		tchannel.ErrCodeBusy:       yarpcerrors.CodeResourceExhausted,
    50  		tchannel.ErrCodeDeclined:   yarpcerrors.CodeUnavailable,
    51  		tchannel.ErrCodeUnexpected: yarpcerrors.CodeInternal,
    52  		tchannel.ErrCodeBadRequest: yarpcerrors.CodeInvalidArgument,
    53  		tchannel.ErrCodeNetwork:    yarpcerrors.CodeUnavailable,
    54  		tchannel.ErrCodeProtocol:   yarpcerrors.CodeInternal,
    55  	}
    56  )