open-consul/lib/eof.go

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package lib
import (
"errors"
"fmt"
"io"
"strings"
"github.com/hashicorp/consul-net-rpc/net/rpc"
"github.com/hashicorp/yamux"
)
var yamuxStreamClosed = yamux.ErrStreamClosed.Error()
var yamuxSessionShutdown = yamux.ErrSessionShutdown.Error()
// IsErrEOF returns true if we get an EOF error from the socket itself, or
// an EOF equivalent error from yamux.
func IsErrEOF(err error) bool {
if err == nil {
return false
}
if errors.Is(err, io.EOF) {
return true
}
errStr := err.Error()
if strings.Contains(errStr, yamuxStreamClosed) ||
strings.Contains(errStr, yamuxSessionShutdown) {
return true
}
var serverError rpc.ServerError
if errors.As(err, &serverError) {
return strings.HasSuffix(err.Error(), fmt.Sprintf(": %s", io.EOF.Error()))
}
return false
}