github.com/yinchengtsinghua/golang-Eos-dpos-Ethereum@v0.0.0-20190121132951-92cc4225ed8e/swarm/fuse/swarmfs.go (about)

     1  
     2  //此源码被清华学神尹成大魔王专业翻译分析并修改
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     9  //
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    11  //
    12  //
    13  //
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    15  //
    16  //
    17  //
    18  //
    19  //
    20  //
    21  //
    22  //
    23  //
    24  
    25  package fuse
    26  
    27  import (
    28  	"sync"
    29  	"time"
    30  
    31  	"github.com/ethereum/go-ethereum/swarm/api"
    32  )
    33  
    34  const (
    35  	Swarmfs_Version = "0.1"
    36  	mountTimeout    = time.Second * 5
    37  	unmountTimeout  = time.Second * 10
    38  	maxFuseMounts   = 5
    39  )
    40  
    41  var (
    42  swarmfs     *SwarmFS //
    43  	swarmfsLock sync.Once
    44  
    45  inode     uint64 = 1 //
    46  	inodeLock sync.RWMutex
    47  )
    48  
    49  type SwarmFS struct {
    50  	swarmApi     *api.API
    51  	activeMounts map[string]*MountInfo
    52  	swarmFsLock  *sync.RWMutex
    53  }
    54  
    55  func NewSwarmFS(api *api.API) *SwarmFS {
    56  	swarmfsLock.Do(func() {
    57  		swarmfs = &SwarmFS{
    58  			swarmApi:     api,
    59  			swarmFsLock:  &sync.RWMutex{},
    60  			activeMounts: map[string]*MountInfo{},
    61  		}
    62  	})
    63  	return swarmfs
    64  
    65  }
    66  
    67  //
    68  func NewInode() uint64 {
    69  	inodeLock.Lock()
    70  	defer inodeLock.Unlock()
    71  	inode += 1
    72  	return inode
    73  }