// NewClient instantiates a Client. The ID string is used for
// identifying the client in remote logs.
func NewClient(c io.ReadWriteCloser, id string) *Client {
return &Client{
client: rpc.NewClient(c),
id: id,
timings: stats.NewTimerStats(),
}
}
// NewStore creates a content cache based in directory d.
// memorySize sets the maximum number of file contents to keep in
// memory.
func NewStore(options *StoreOptions) *Store {
if options.Hash == 0 {
options.Hash = crypto.MD5
}
if fi, _ := os.Lstat(options.Dir); fi == nil {
err := os.MkdirAll(options.Dir, 0700)
if err != nil {
panic(err)
}
}
log.Println("reading hex database", options.Dir)
db := ReadHexDatabase(options.Dir)
log.Println("done reading.")
c := &Store{
Options: options,
have: db,
faulting: make(map[string]bool),
timings: stats.NewTimerStats(),
}
c.initThroughputSampler()
if options.MemCount > 0 {
c.inMemoryCache = NewLruCache(options.MemCount)
if options.MemMaxSize == 0 {
options.MemMaxSize = 64 * 1024
}
}
c.cond = sync.NewCond(&c.mutex)
return c
}
func NewFsServer(a *attr.AttributeCache, cache *cba.Store) *FsServer {
me := &FsServer{
content: cache,
attributes: a,
stats: stats.NewTimerStats(),
}
return me
}
// NewServer instantiates an RPC server for the given
// AttributeCache. If timings is optional and will be used for
// recording timing data.
func NewServer(a *AttributeCache, timings *stats.TimerStats) *Server {
if timings == nil {
timings = stats.NewTimerStats()
}
me := &Server{
attributes: a,
stats: timings,
}
return me
}
func NewRpcFs(attrClient *attr.Client, cache *cba.Store, contentConn io.ReadWriteCloser) *RpcFs {
fs := &RpcFs{
FileSystem: pathfs.NewDefaultFileSystem(),
attrClient: attrClient,
contentClient: cache.NewClient(contentConn),
timings: stats.NewTimerStats(),
}
fs.attr = attr.NewAttributeCache(
func(n string) *attr.FileAttr {
a := attr.FileAttr{}
err := attrClient.GetAttr(n, &a)
if err != nil {
log.Printf("GetAttr %s: %v", n, err)
return nil
}
return &a
}, nil)
fs.cache = cache
return fs
}