66 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2017 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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| 
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| package fuse
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| 
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| import (
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| 	"sync"
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| 	"time"
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| 
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| 	"github.com/ethereum/go-ethereum/swarm/api"
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| )
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| 
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| const (
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| 	SwarmFSVersion = "0.1"
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| 	mountTimeout   = time.Second * 5
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| 	unmountTimeout = time.Second * 10
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| 	maxFUSEMounts  = 5
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| )
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| 
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| var (
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| 	swarmfs     *SwarmFS // Swarm file system singleton
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| 	swarmfsLock sync.Once
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| 
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| 	inode     uint64 = 1 // global inode
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| 	inodeLock sync.RWMutex
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| )
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| 
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| type SwarmFS struct {
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| 	swarmApi     *api.API
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| 	activeMounts map[string]*MountInfo
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| 	swarmFsLock  *sync.RWMutex
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| }
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| 
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| func NewSwarmFS(api *api.API) *SwarmFS {
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| 	swarmfsLock.Do(func() {
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| 		swarmfs = &SwarmFS{
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| 			swarmApi:     api,
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| 			swarmFsLock:  &sync.RWMutex{},
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| 			activeMounts: map[string]*MountInfo{},
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| 		}
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| 	})
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| 	return swarmfs
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| 
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| }
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| 
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| // Inode numbers need to be unique, they are used for caching inside fuse
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| func NewInode() uint64 {
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| 	inodeLock.Lock()
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| 	defer inodeLock.Unlock()
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| 	inode += 1
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| 	return inode
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| }
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