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5b5cae693f
Events with just 1 argument fail before this change Former-commit-id: 69cbb51c56054208417e464dc6e46a94ccb3bbeb [formerly fbb03244929beb0ce8f9c607ce33d107e8319b89] Former-commit-id: 984154c1ba79f1fe8bf0106a604b2765ea312079
64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package node
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import (
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"errors"
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"fmt"
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"reflect"
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"syscall"
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)
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var (
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ErrDatadirUsed = errors.New("datadir already used by another process")
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ErrNodeStopped = errors.New("node not started")
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ErrNodeRunning = errors.New("node already running")
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ErrServiceUnknown = errors.New("unknown service")
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datadirInUseErrnos = map[uint]bool{11: true, 32: true, 35: true}
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)
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func convertFileLockError(err error) error {
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if errno, ok := err.(syscall.Errno); ok && datadirInUseErrnos[uint(errno)] {
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return ErrDatadirUsed
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}
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return err
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}
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// DuplicateServiceError is returned during Node startup if a registered service
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// constructor returns a service of the same type that was already started.
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type DuplicateServiceError struct {
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Kind reflect.Type
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}
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// Error generates a textual representation of the duplicate service error.
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func (e *DuplicateServiceError) Error() string {
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return fmt.Sprintf("duplicate service: %v", e.Kind)
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}
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// StopError is returned if a Node fails to stop either any of its registered
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// services or itself.
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type StopError struct {
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Server error
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Services map[reflect.Type]error
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}
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// Error generates a textual representation of the stop error.
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func (e *StopError) Error() string {
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return fmt.Sprintf("server: %v, services: %v", e.Server, e.Services)
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}
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