//Join will create a Chord node with a file system application and join to an existing DHT
//specified by the address addr. It returns the resulting FileSystem struct.
//The input home indicates the directory that will store distributed documents.
//The input myaddr specifies which address the application will listen on.
func Join(home string, myaddr string, addr string) *FileSystem {
var err error
me := new(FileSystem)
me.node, err = chord.Join(myaddr, addr)
if err != nil {
checkError(err)
return nil
}
fmt.Printf("here\n")
me.home = home
me.mirror = fmt.Sprintf("%s/mirrored", home)
me.addr = myaddr
err = os.MkdirAll(me.home, 0755)
err = os.MkdirAll(me.mirror, 0755)
fmt.Printf("made directory %s.\n", me.home)
if err != nil {
checkError(err)
return nil
}
me.node.Register(code, me)
//experimental
me.malicious = false
me.cache = make(map[string]bool)
return me
}
func Join(home string, myaddr string, addr string) *LaviniaServer {
me := new(LaviniaServer)
me.node = chord.Join(myaddr, addr)
if me.node == nil {
return nil
}
me.fs = fs.Extend(home, addr, me.node)
if me.fs == nil {
return nil
}
me.storage = fmt.Sprintf("%s/pmts", home)
err := os.MkdirAll(me.storage, 0755)
if err != nil {
checkError(err)
return nil
}
me.node.Register(code, me)
return me
}