github.com/MetalBlockchain/metalgo@v1.11.9/vms/rpcchainvm/ghttp/gwriter/writer_server.go (about)

     1  // Copyright (C) 2019-2024, Ava Labs, Inc. All rights reserved.
     2  // See the file LICENSE for licensing terms.
     3  
     4  package gwriter
     5  
     6  import (
     7  	"context"
     8  	"io"
     9  
    10  	writerpb "github.com/MetalBlockchain/metalgo/proto/pb/io/writer"
    11  )
    12  
    13  var _ writerpb.WriterServer = (*Server)(nil)
    14  
    15  // Server is an http.Handler that is managed over RPC.
    16  type Server struct {
    17  	writerpb.UnsafeWriterServer
    18  	writer io.Writer
    19  }
    20  
    21  // NewServer returns an http.Handler instance managed remotely
    22  func NewServer(writer io.Writer) *Server {
    23  	return &Server{writer: writer}
    24  }
    25  
    26  func (s *Server) Write(_ context.Context, req *writerpb.WriteRequest) (*writerpb.WriteResponse, error) {
    27  	n, err := s.writer.Write(req.Payload)
    28  	resp := &writerpb.WriteResponse{
    29  		Written: int32(n),
    30  	}
    31  	if err != nil {
    32  		errStr := err.Error()
    33  		resp.Error = &errStr
    34  	}
    35  	return resp, nil
    36  }