Esempio n. 1
0
 @Override
 public Response statfs(Map<Byte, Long> instanceMap) throws TException {
   // TODO: don't care about this for now
   Response r = new Response(replica.getInstanceMap());
   r.setStatfs(
       new FileSystemStats(32 * 1024, 0, Integer.MAX_VALUE, Integer.MAX_VALUE, 0, 0, 1024));
   return r;
 }
Esempio n. 2
0
 @Override
 public Response open(String path, int flags, Map<Byte, Long> instanceMap) throws TException {
   path = makePathAbsolute(path);
   Set<Byte> parts = oracle.partitionsOf(path);
   Command cmd = newCommand(CommandType.OPEN, parts, instanceMap);
   OpenCmd open = new OpenCmd(path, flags, parts);
   cmd.setOpen(open);
   FileHandle fh = (FileHandle) replica.submitCommand(cmd);
   Response r = new Response(replica.getInstanceMap());
   r.setOpen(fh);
   return r;
 }
Esempio n. 3
0
 @Override
 public Response getattr(String path, Map<Byte, Long> instanceMap) throws TException {
   // can be sent to ANY partition that replicates the path - we send it to the first returned by
   // the oracle
   path = makePathAbsolute(path);
   Set<Byte> parts = Sets.newHashSet(Byte.valueOf(partition));
   Command cmd = newCommand(CommandType.ATTR, parts, instanceMap);
   AttrCmd attr = new AttrCmd(path, parts);
   cmd.setAttr(attr);
   Attr result = (Attr) replica.submitCommand(cmd);
   Response r = new Response(replica.getInstanceMap());
   r.setGetattr(result);
   return r;
 }
Esempio n. 4
0
 @Override
 public Response readlink(String path, Map<Byte, Long> instanceMap) throws TException {
   path = makePathAbsolute(path);
   // can be sent to ANY partition that replicates the path - we send it to the first returned by
   // the oracle
   Set<Byte> parts = Sets.newHashSet(Byte.valueOf(partition));
   Command cmd = newCommand(CommandType.READLINK, parts, instanceMap);
   ReadlinkCmd readlink = new ReadlinkCmd(path, parts);
   cmd.setReadlink(readlink);
   String result = (String) replica.submitCommand(cmd);
   Response r = new Response(replica.getInstanceMap());
   r.setReadlink(result);
   return r;
 }
Esempio n. 5
0
 @Override
 public Response getdir(String path, Map<Byte, Long> instanceMap) throws TException {
   // can be sent to ANY partition that replicates the path - we send it to the first returned by
   // the oracle
   path = makePathAbsolute(path);
   Set<Byte> parts = Sets.newHashSet(Byte.valueOf(partition));
   Command cmd = newCommand(CommandType.GETDIR, parts, instanceMap);
   GetdirCmd getdir = new GetdirCmd(path, parts);
   cmd.setGetdir(getdir);
   @SuppressWarnings("unchecked")
   List<DirEntry> entries = (List<DirEntry>) replica.submitCommand(cmd);
   Response r = new Response(replica.getInstanceMap());
   r.setGetdir(entries);
   return r;
 }
Esempio n. 6
0
 @Override
 public Response readBlocks(
     String path, FileHandle fh, long offset, long bytes, Map<Byte, Long> instanceMap)
     throws TException {
   path = makePathAbsolute(path);
   // assuming this replica replicates the file, send to own partition
   Set<Byte> parts = Sets.newHashSet(Byte.valueOf(partition));
   Command cmd = newCommand(CommandType.READ_BLOCKS, parts, instanceMap);
   ReadBlocksCmd read = new ReadBlocksCmd(path, fh, offset, bytes, parts);
   cmd.setRead(read);
   ReadResult readResult = (ReadResult) replica.submitCommand(cmd);
   Response r = new Response(replica.getInstanceMap());
   r.setReadBlocks(readResult);
   return r;
 }