1919 */
2020package org .dcache .nfs .vfs ;
2121
22- import java .nio .ByteBuffer ;
23- import java .nio .ByteOrder ;
24-
25- import com .google .common .io .BaseEncoding ;
26-
27- /**
28- * NFS file handle on wire representation format v1.
29- *
30- * <pre>
31- * byte fh_version; // file handle format version number; version 1 description
32- * byte[3] fh_magic // 0xcaffee
33- * uint32 fh_generation; // server boot time or 0 for permanent handles
34- * uint32 export_index; // index into export table
35- * byte fh_type // 1 if pseudo fs
36- * byte fh_olen; // length of opaque data
37- * byte[] fh_opaque; // FS specific opaque data <= 114
38- * </pre>
39- */
40- public class FileHandle {
41-
42- private final static int MIN_LEN = 14 ;
43- private final static int VERSION = 1 ;
44- private final static int MAGIC = 0xCAFFEE ;
22+ @ Deprecated (forRemoval = true )
23+ public class FileHandle extends Inode {
4524 private final static byte [] EMPTY_FH = new byte [0 ];
4625
47- private final int version ;
48- private final int magic ;
49- private final int generation ;
50- private final int exportIdx ;
51- private final int type ;
52- private final byte [] fs_opaque ;
53-
54- public FileHandle (int generation , int exportIdx , int type , byte [] fs_opaque ) {
55- this .version = VERSION ;
56- this .magic = MAGIC ;
57- this .generation = generation ;
58- this .exportIdx = exportIdx ;
59- this .type = type ;
60- this .fs_opaque = fs_opaque ;
61- }
62-
6326 public FileHandle (byte [] bytes ) {
64- if (bytes .length < MIN_LEN ) {
65- throw new IllegalArgumentException ("too short" );
66- }
67-
68- ByteBuffer b = ByteBuffer .wrap (bytes );
69- b .order (ByteOrder .BIG_ENDIAN );
70-
71- int magic_version = b .getInt ();
72- int geussVersion = (magic_version & 0xFF000000 ) >>> 24 ;
73- if (geussVersion != VERSION ) {
74- throw new IllegalArgumentException ("Unsupported version: " + geussVersion );
75- }
76-
77- version = geussVersion ;
78- magic = magic_version & 0x00FFFFFF ;
79- if (magic != MAGIC ) {
80- throw new IllegalArgumentException ("Bad magic number" );
81- }
82-
83- generation = b .getInt ();
84- exportIdx = b .getInt ();
85- type = (int ) b .get ();
86- int olen = (int ) b .get ();
87- fs_opaque = new byte [olen ];
88- b .get (fs_opaque );
89- }
90-
91- public int getVersion () {
92- return version ;
27+ super (bytes );
9328 }
9429
95- public int getMagic () {
96- return magic ;
97- }
98-
99- public int getGeneration () {
100- return generation ;
101- }
102-
103- public int getExportIdx () {
104- return exportIdx ;
105- }
106-
107- public int getType () {
108- return type ;
109- }
110-
111- public byte [] getFsOpaque () {
112- return fs_opaque ;
113- }
114-
115- public byte [] bytes () {
116- int len = fs_opaque .length + MIN_LEN ;
117- byte [] bytes = new byte [len ];
118- ByteBuffer b = ByteBuffer .wrap (bytes );
119- b .order (ByteOrder .BIG_ENDIAN );
120-
121- b .putInt (version << 24 | magic );
122- b .putInt (generation );
123- b .putInt (exportIdx );
124- b .put ((byte ) type );
125- b .put ((byte ) fs_opaque .length );
126- b .put (fs_opaque );
127- return bytes ;
128- }
129-
130- @ Override
131- public String toString () {
132- return BaseEncoding .base16 ().lowerCase ().encode (this .bytes ());
30+ public FileHandle (int generation , int exportIdx , int type , byte [] fs_opaque ) {
31+ super (generation , exportIdx , type , fs_opaque );
13332 }
13433
34+ @ Deprecated (forRemoval = true )
13535 public static class FileHandleBuilder {
136- private int version = VERSION ;
137- private int magic = MAGIC ;
13836 private int generation = 0 ;
13937 private int export_idx = 0 ;
14038 private int type = 0 ;
@@ -160,12 +58,6 @@ public FileHandleBuilder setFsOpaque(byte[] fs_opaque) {
16058 return this ;
16159 }
16260
163- /**
164- * A shortcut with defaults
165- *
166- * @param opaque
167- * @return
168- */
16961 public FileHandle build (byte [] opaque ) {
17062 return new FileHandle (generation , export_idx , type , opaque );
17163 }
@@ -174,4 +66,32 @@ public FileHandle build() {
17466 return build (fs_opaque );
17567 }
17668 }
69+
70+ public int getVersion () {
71+ return handleVersion ();
72+ }
73+
74+ public int getMagic () {
75+ return super .getMagic ();
76+ }
77+
78+ public int getGeneration () {
79+ return super .getGeneration ();
80+ }
81+
82+ public int getExportIdx () {
83+ return exportIndex ();
84+ }
85+
86+ public int getType () {
87+ return super .getType ();
88+ }
89+
90+ public byte [] getFsOpaque () {
91+ return getFileId ();
92+ }
93+
94+ public byte [] bytes () {
95+ return toNfsHandle ();
96+ }
17797}
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