int _9p_readdir( _9p_request_data_t * preq9p,
void * pworker_data,
u32 * plenout,
char * preply)
{
char * cursor = preq9p->_9pmsg + _9P_HDR_SIZE + _9P_TYPE_SIZE ;
nfs_worker_data_t * pwkrdata = (nfs_worker_data_t *)pworker_data ;
int rc = 0 ;
u32 err = 0 ;
u16 * msgtag = NULL ;
u32 * fid = NULL ;
u64 * offset = NULL ;
u32 * count = NULL ;
u32 dcount = 0 ;
u32 recsize = 0 ;
u16 name_len = 0 ;
char * name_str = NULL ;
u8 * qid_type = NULL ;
u64 * qid_path = NULL ;
char * dcount_pos = NULL ;
cache_inode_status_t cache_status;
cache_inode_dir_entry_t **dirent_array = NULL;
cache_inode_endofdir_t eod_met;
cache_entry_t * pentry_dot_dot = NULL ;
cache_inode_dir_entry_t dirent_dot ;
cache_inode_dir_entry_t dirent_dot_dot ;
unsigned int cookie = 0;
unsigned int end_cookie = 0;
unsigned int estimated_num_entries = 0 ;
unsigned int num_entries = 0 ;
unsigned int delta = 0 ;
int unlock = FALSE ;
u64 i = 0LL ;
if ( !preq9p || !pworker_data || !plenout || !preply )
return -1 ;
_9p_fid_t * pfid = NULL ;
/* Get data */
_9p_getptr( cursor, msgtag, u16 ) ;
_9p_getptr( cursor, fid, u32 ) ;
_9p_getptr( cursor, offset, u64 ) ;
_9p_getptr( cursor, count, u32 ) ;
LogDebug( COMPONENT_9P, "TREADDIR: tag=%u fid=%u offset=%llu count=%u",
(u32)*msgtag, *fid, (unsigned long long)*offset, *count ) ;
if( *fid >= _9P_FID_PER_CONN )
{
err = ERANGE ;
rc = _9p_rerror( preq9p, msgtag, &err, plenout, preply ) ;
return rc ;
}
pfid = &preq9p->pconn->fids[*fid] ;
/* Use Cache Inode to read the directory's content */
cookie = (unsigned int)*offset ;
/* For each entry, returns:
* qid = 13 bytes
* offset = 8 bytes
* type = 1 byte
* namelen = 2 bytes
* namestr = ~16 bytes (average size)
* -------------------
* total = ~40 bytes (average size) per dentry */
estimated_num_entries = (unsigned int)( *count / 40 ) ;
if((dirent_array = (cache_inode_dir_entry_t **) Mem_Alloc_Label(
estimated_num_entries * sizeof(cache_inode_dir_entry_t*),
"cache_inode_dir_entry_t in _9p_readdir")) == NULL)
{
err = EIO ;
rc = _9p_rerror( preq9p, msgtag, &err, plenout, preply ) ;
return rc ;
}
/* Is this the first request ? */
if( *offset == 0 )
{
/* compute the parent entry */
if( ( pentry_dot_dot = cache_inode_lookupp( pfid->pentry,
pwkrdata->ht,
&pwkrdata->cache_inode_client,
&pfid->fsal_op_context,
&cache_status) ) == NULL )
{
err = _9p_tools_errno( cache_status ) ; ;
rc = _9p_rerror( preq9p, msgtag, &err, plenout, preply ) ;
return rc ;
}
/* Deal with "." and ".." */
dirent_dot.pentry = pfid->pentry ;
strcpy( dirent_dot.name.name, "." ) ;
dirent_dot.name.len = strlen( dirent_dot.name.name ) ;
dirent_array[0] = &dirent_dot ;
dirent_dot_dot.pentry = pentry_dot_dot ;
strcpy( dirent_dot_dot.name.name, ".." ) ;
dirent_dot_dot.name.len = strlen( dirent_dot_dot.name.name ) ;
dirent_array[1] = &dirent_dot_dot ;
delta = 2 ;
}
else
delta = 0 ;
if( *offset == 2 )
{
/* offset == 2 as an input as one and only reason:
* - a former call with offset=0 was made and the dir was empty
* - '.' and '..' were returned and nothing else
* - the client makes a new call, expecting it to have empty return
*/
num_entries = 0 ; /* Empty return */
unlock = FALSE ;
}
else if(cache_inode_readdir( pfid->pentry,
pfid->pexport->cache_inode_policy,
cookie,
estimated_num_entries - delta,
&num_entries,
(uint64_t *)&end_cookie,
&eod_met,
&dirent_array[delta],
pwkrdata->ht,
&unlock,
&pwkrdata->cache_inode_client,
&pfid->fsal_op_context,
&cache_status) != CACHE_INODE_SUCCESS)
{
if( unlock ) V_r( &pfid->pentry->lock ) ;
err = _9p_tools_errno( cache_status ) ; ;
rc = _9p_rerror( preq9p, msgtag, &err, plenout, preply ) ;
return rc ;
}
/* Unlock the directory if needed */
if( unlock ) V_r( &pfid->pentry->lock ) ;
/* Never go behind _9P_MAXDIRCOUNT */
if( num_entries > _9P_MAXDIRCOUNT ) num_entries = _9P_MAXDIRCOUNT ;
/* Build the reply */
_9p_setinitptr( cursor, preply, _9P_RREADDIR ) ;
_9p_setptr( cursor, msgtag, u16 ) ;
/* Remember dcount position for later use */
_9p_savepos( cursor, dcount_pos, u32 ) ;
/* fills in the dentry in 9P marshalling */
for( i = 0 ; i < num_entries + delta ; i++ )
{
recsize = 0 ;
/* Build qid */
switch( dirent_array[i]->pentry->internal_md.type )
{
case REGULAR_FILE:
qid_path = (u64 *)&dirent_array[i]->pentry->object.file.attributes.fileid ;
qid_type = &qid_type_file ;
break ;
case CHARACTER_FILE:
case BLOCK_FILE:
case SOCKET_FILE:
case FIFO_FILE:
qid_path = (u64 *)&dirent_array[i]->pentry->object.special_obj.attributes.fileid ;
qid_type = &qid_type_file ;
break ;
case SYMBOLIC_LINK:
qid_path = (u64 *)&dirent_array[i]->pentry->object.symlink->attributes.fileid ;
qid_type = &qid_type_symlink;
break ;
case DIRECTORY:
case FS_JUNCTION:
qid_path = (u64 *)&dirent_array[i]->pentry->object.dir.attributes.fileid ;
qid_type = &qid_type_dir ;
break ;
case UNASSIGNED:
case RECYCLED:
default:
LogMajor( COMPONENT_9P, "implementation error, you should not see this message !!!!!!" ) ;
err = EINVAL ;
rc = _9p_rerror( preq9p, msgtag, &err, plenout, preply ) ;
return rc ;
break ;
}
/* Get dirent name information */
name_str = dirent_array[i]->name.name ;
name_len = dirent_array[i]->name.len ;
/* Add 13 bytes in recsize for qid + 8 bytes for offset + 1 for type + 2 for strlen = 24 bytes*/
recsize = 24 + name_len ;
/* Check if there is room left for another dentry */
if( dcount + recsize > *count )
break ; /* exit for loop */
else
dcount += recsize ;
/* qid in 3 parts */
_9p_setptr( cursor, qid_type, u8 ) ;
_9p_setvalue( cursor, 0, u32 ) ; /* qid_version set to 0 to prevent the client from caching */
_9p_setptr( cursor, qid_path, u64 ) ;
/* offset */
_9p_setvalue( cursor, i+cookie+1, u64 ) ;
/* Type (again ?) */
_9p_setptr( cursor, qid_type, u8 ) ;
/* name */
_9p_setstr( cursor, name_len, name_str ) ;
LogDebug( COMPONENT_9P, "RREADDIR dentry: recsize=%u dentry={ off=%llu,qid=(type=%u,version=%u,path=%llu),type=%u,name=%s,pentry=%p",
recsize, (unsigned long long)i+cookie+1, *qid_type, 0, (unsigned long long)*qid_path,
*qid_type, name_str, dirent_array[i]->pentry ) ;
} /* for( i = 0 , ... ) */
if( !CACHE_INODE_KEEP_CONTENT( pfid->pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, &pwkrdata->cache_inode_client ) ;
Mem_Free((char *)dirent_array);
/* Set buffsize in previously saved position */
_9p_setvalue( dcount_pos, dcount, u32 ) ;
_9p_setendptr( cursor, preply ) ;
_9p_checkbound( cursor, preply, plenout ) ;
LogDebug( COMPONENT_9P, "RREADDIR: tag=%u fid=%u dcount=%u",
(u32)*msgtag, *fid , dcount ) ;
return 1 ;
}
int nfs3_Readdirplus(nfs_arg_t * parg,
exportlist_t * pexport,
fsal_op_context_t * pcontext,
cache_inode_client_t * pclient,
hash_table_t * ht, struct svc_req *preq, nfs_res_t * pres)
{
static char __attribute__ ((__unused__)) funcName[] = "nfs3_Readdirplus";
typedef char entry_name_array_item_t[FSAL_MAX_NAME_LEN];
typedef char fh3_buffer_item_t[NFS3_FHSIZE];
unsigned int delta = 0;
cache_entry_t *dir_pentry = NULL;
cache_entry_t *pentry_dot_dot = NULL;
unsigned long dircount;
unsigned long maxcount;
fsal_attrib_list_t dir_attr;
fsal_attrib_list_t entry_attr;
unsigned int begin_cookie;
unsigned int end_cookie;
unsigned int cache_inode_cookie;
cache_inode_dir_entry_t *dirent_array = NULL;
unsigned int *cookie_array = NULL;
cookieverf3 cookie_verifier;
int rc;
unsigned int i = 0;
unsigned int num_entries;
unsigned long space_used;
unsigned long estimated_num_entries;
unsigned long asked_num_entries;
cache_inode_file_type_t dir_filetype;
cache_inode_endofdir_t eod_met = UNASSIGNED_EOD;
cache_inode_status_t cache_status;
cache_inode_status_t cache_status_gethandle;
fsal_handle_t *pfsal_handle = NULL;
entry_name_array_item_t *entry_name_array = NULL;
fh3_buffer_item_t *fh3_array = NULL;
/* to avoid setting it on each error case */
pres->res_readdir3.READDIR3res_u.resfail.dir_attributes.attributes_follow = FALSE;
dircount = parg->arg_readdirplus3.dircount;
maxcount = parg->arg_readdirplus3.maxcount;
begin_cookie = (unsigned int)parg->arg_readdirplus3.cookie;
space_used = sizeof(READDIRPLUS3resok);
estimated_num_entries = dircount / sizeof(entryplus3);
LogFullDebug(COMPONENT_NFS_READDIR,
"---> nfs3_Readdirplus: dircount=%d maxcount=%d begin_cookie=%d space_used=%d estimated_num_entries=%d\n",
dircount, maxcount, begin_cookie, space_used, estimated_num_entries);
/* Is this a xattr FH ? */
if(nfs3_Is_Fh_Xattr(&(parg->arg_readdirplus3.dir)))
return nfs3_Readdirplus_Xattr(parg, pexport, pcontext, pclient, ht, preq, pres);
/* Convert file handle into a vnode */
/* BUGAZOMEU : rajouter acces direct au DIR_CONTINUE */
if((dir_pentry = nfs_FhandleToCache(preq->rq_vers,
NULL,
&(parg->arg_readdirplus3.dir),
NULL,
NULL,
&(pres->res_readdirplus3.status),
NULL,
&dir_attr, pcontext, pclient, ht, &rc)) == NULL)
{
/* return NFS_REQ_DROP ; */
return rc;
}
/* Extract the filetype */
dir_filetype = cache_inode_fsal_type_convert(dir_attr.type);
/* Sanity checks -- must be a directory */
if((dir_filetype != DIR_BEGINNING) && (dir_filetype != DIR_CONTINUE))
{
pres->res_readdirplus3.status = NFS3ERR_NOTDIR;
return NFS_REQ_OK;
}
/* switch */
memset(cookie_verifier, 0, sizeof(cookieverf3));
/*
* If cookie verifier is used, then an non-trivial value is
* returned to the client This value is the mtime of
* the directory. If verifier is unused (as in many NFS
* Servers) then only a set of zeros is returned (trivial
* value)
*/
if(pexport->UseCookieVerifier)
memcpy(cookie_verifier, &(dir_attr.mtime), sizeof(dir_attr.mtime));
/*
* nothing to do if != 0 because the area is already full of
* zero
*/
if(pexport->UseCookieVerifier && (begin_cookie != 0))
{
/*
* Not the first call, so we have to check the cookie
* verifier
*/
if(memcmp(cookie_verifier, parg->arg_readdirplus3.cookieverf, NFS3_COOKIEVERFSIZE)
!= 0)
{
pres->res_readdirplus3.status = NFS3ERR_BAD_COOKIE;
return NFS_REQ_OK;
}
}
#ifdef _DEBUG_MEMLEAKS
/* For debugging memory leaks */
BuddySetDebugLabel("cache_inode_dir_entry_t in nfs3_Readdirplus");
#endif
if((dirent_array =
(cache_inode_dir_entry_t *) Mem_Alloc(estimated_num_entries *
sizeof(cache_inode_dir_entry_t))) == NULL)
{
pres->res_readdirplus3.status = NFS3ERR_IO;
return NFS_REQ_DROP;
}
#ifdef _DEBUG_MEMLEAKS
/* For debugging memory leaks */
BuddySetDebugLabel("cookie array in nfs3_Readdirplus");
#endif
if((cookie_array =
(unsigned int *)Mem_Alloc(estimated_num_entries * sizeof(unsigned int))) == NULL)
{
Mem_Free((char *)dirent_array);
pres->res_readdirplus3.status = NFS3ERR_IO;
return NFS_REQ_DROP;
}
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries = NULL;
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.eof = FALSE;
/* How many entries will we retry from cache_inode ? */
if(begin_cookie > 1)
{
asked_num_entries = estimated_num_entries;
cache_inode_cookie = begin_cookie - 2;
}
else
{
asked_num_entries = ((estimated_num_entries > 2) ? estimated_num_entries - 2 : 0); /* Keep space for '.' and '..' */
cache_inode_cookie = 0;
}
/* A definition that will be very useful to avoid very long names for variables */
#define RES_READDIRPLUS_REPLY pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply
/* Call readdir */
if(cache_inode_readdir(dir_pentry,
cache_inode_cookie,
asked_num_entries,
&num_entries,
&end_cookie,
&eod_met,
dirent_array,
cookie_array,
ht, pclient, pcontext, &cache_status) == CACHE_INODE_SUCCESS)
{
LogFullDebug(COMPONENT_NFS_READDIR,
"-- Readdirplus3 -> Call to cache_inode_readdir( cookie=%d, asked=%d ) -> num_entries = %d\n",
cache_inode_cookie, asked_num_entries, num_entries);
if(eod_met == END_OF_DIR)
{
LogFullDebug(COMPONENT_NFS_READDIR, "+++++++++++++++++++++++++++++++++++++++++> EOD MET \n");
}
/* If nothing was found, return nothing, but if cookie=0, we should return . and .. */
if((num_entries == 0) && (asked_num_entries != 0) && (begin_cookie > 1))
{
pres->res_readdirplus3.status = NFS3_OK;
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries = NULL;
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.eof = TRUE;
nfs_SetPostOpAttr(pcontext, pexport,
dir_pentry,
NULL,
&(pres->res_readdirplus3.READDIRPLUS3res_u.resok.
dir_attributes));
memcpy(pres->res_readdirplus3.READDIRPLUS3res_u.resok.cookieverf,
cookie_verifier, sizeof(cookieverf3));
}
else
{
#ifdef _DEBUG_MEMLEAKS
/* For debugging memory leaks */
BuddySetDebugLabel("entry_name_array in nfs3_Readdirplus");
#endif
/* Allocation of the structure for reply */
entry_name_array =
(entry_name_array_item_t *) Mem_Alloc(estimated_num_entries *
(FSAL_MAX_NAME_LEN + 1));
if(entry_name_array == NULL)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
return NFS_REQ_DROP;
}
#ifdef _DEBUG_MEMLEAKS
/* For debugging memory leaks */
BuddySetDebugLabel("READDIRPLUS3res_u.resok.reply.entries");
#endif
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries =
(entryplus3 *) Mem_Alloc(estimated_num_entries * sizeof(entryplus3));
if(pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries == NULL)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
return NFS_REQ_DROP;
}
/* Allocation of the file handles */
#ifdef _DEBUG_MEMLEAKS
/* For debugging memory leaks */
BuddySetDebugLabel("Filehandle V3 in nfs3_Readdirplus");
#endif
fh3_array =
(fh3_buffer_item_t *) Mem_Alloc(estimated_num_entries * NFS3_FHSIZE);
#ifdef _DEBUG_MEMLEAKS
/* For debugging memory leaks */
BuddySetDebugLabel("N/A");
#endif
if(fh3_array == NULL)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
return NFS_REQ_DROP;
}
delta = 0;
/* manage . and .. */
if(begin_cookie == 0)
{
/* Fill in '.' */
if(estimated_num_entries > 0)
{
if((pfsal_handle = cache_inode_get_fsal_handle(dir_pentry,
&cache_status_gethandle))
== NULL)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = nfs3_Errno(cache_status_gethandle);
return NFS_REQ_OK;
}
FSAL_DigestHandle(FSAL_GET_EXP_CTX(pcontext),
FSAL_DIGEST_FILEID3,
pfsal_handle,
(caddr_t) & (RES_READDIRPLUS_REPLY.entries[0].
fileid));
RES_READDIRPLUS_REPLY.entries[0].name = entry_name_array[0];
strcpy(RES_READDIRPLUS_REPLY.entries[0].name, ".");
RES_READDIRPLUS_REPLY.entries[0].cookie = 1;
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[0].
name_handle.post_op_fh3_u.handle.data.data_val =
(char *)fh3_array[0];
if(nfs3_FSALToFhandle
(&pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[0].
name_handle.post_op_fh3_u.handle, pfsal_handle, pexport) == 0)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = NFS3ERR_BADHANDLE;
return NFS_REQ_OK;
}
RES_READDIRPLUS_REPLY.entries[0].name_attributes.attributes_follow =
FALSE;
RES_READDIRPLUS_REPLY.entries[0].name_handle.handle_follows = FALSE;
cache_inode_get_attributes(dir_pentry, &entry_attr);
/* Set PostPoFh3 structure */
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[0].
name_handle.handle_follows = TRUE;
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[0].
name_handle.post_op_fh3_u.handle.data.data_len =
sizeof(file_handle_v3_t);
nfs_SetPostOpAttr(pcontext, pexport,
dir_pentry,
&entry_attr,
&(pres->res_readdirplus3.READDIRPLUS3res_u.resok.
reply.entries[0].name_attributes));
delta += 1;
}
}
/* Fill in '..' */
if(begin_cookie <= 1)
{
if(estimated_num_entries > delta)
{
if((pentry_dot_dot = cache_inode_lookupp(dir_pentry,
ht,
pclient,
pcontext,
&cache_status_gethandle)) ==
NULL)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = nfs3_Errno(cache_status_gethandle);
return NFS_REQ_OK;
}
if((pfsal_handle = cache_inode_get_fsal_handle(pentry_dot_dot,
&cache_status_gethandle))
== NULL)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = nfs3_Errno(cache_status_gethandle);
return NFS_REQ_OK;
}
FSAL_DigestHandle(FSAL_GET_EXP_CTX(pcontext),
FSAL_DIGEST_FILEID3,
pfsal_handle,
(caddr_t) & (RES_READDIRPLUS_REPLY.entries[delta].
fileid));
RES_READDIRPLUS_REPLY.entries[delta].name = entry_name_array[delta];
strcpy(RES_READDIRPLUS_REPLY.entries[delta].name, "..");
/* Getting a file handle */
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[delta].
name_handle.post_op_fh3_u.handle.data.data_val =
(char *)fh3_array[delta];
if(nfs3_FSALToFhandle
(&pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[0].
name_handle.post_op_fh3_u.handle, pfsal_handle, pexport) == 0)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = NFS3ERR_BADHANDLE;
return NFS_REQ_OK;
}
RES_READDIRPLUS_REPLY.entries[delta].cookie = 2;
RES_READDIRPLUS_REPLY.entries[delta].name_attributes.attributes_follow =
FALSE;
RES_READDIRPLUS_REPLY.entries[delta].name_handle.handle_follows = FALSE;
cache_inode_get_attributes(pentry_dot_dot, &entry_attr);
/* Set PostPoFh3 structure */
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[delta].
name_handle.handle_follows = TRUE;
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[delta].
name_handle.post_op_fh3_u.handle.data.data_len =
sizeof(file_handle_v3_t);
nfs_SetPostOpAttr(pcontext, pexport,
pentry_dot_dot,
&entry_attr,
&(pres->res_readdirplus3.READDIRPLUS3res_u.resok.
reply.entries[delta].name_attributes));
}
RES_READDIRPLUS_REPLY.entries[0].nextentry =
&(RES_READDIRPLUS_REPLY.entries[delta]);
if(num_entries > delta + 1) /* not 0 ??? */
RES_READDIRPLUS_REPLY.entries[delta].nextentry =
&(RES_READDIRPLUS_REPLY.entries[delta + 1]);
else
RES_READDIRPLUS_REPLY.entries[delta].nextentry = NULL;
delta += 1;
}
/* if( begin_cookie == 0 ) */
for(i = delta; i < num_entries + delta; i++)
{
unsigned long needed;
/* dircount is the size without the FH and attributes overhead, so entry3 is used intead of entryplus3 */
needed =
sizeof(entry3) + ((strlen(dirent_array[i - delta].name.name) + 3) & ~3);
/* LogFullDebug(COMPONENT_NFS_READDIR, "==============> i=%d sizeof(entryplus3)=%d needed=%d space_used=%d maxcount=%d num_entries=%d asked_num_entries=%d\n",
i, sizeof( entryplus3 ), needed, space_used, maxcount, num_entries, asked_num_entries ) ; */
if((space_used += needed) > maxcount)
{
if(i == delta)
{
/*
* Not enough room to make even a single reply
*/
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = NFS3ERR_TOOSMALL;
return NFS_REQ_OK;
}
break; /* Make post traitement */
}
/*
* Get information specific to this entry
*/
if((pfsal_handle =
cache_inode_get_fsal_handle(dirent_array[i - delta].pentry,
&cache_status_gethandle)) == NULL)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = nfs3_Errno(cache_status_gethandle);
return NFS_REQ_OK;
}
/* Now fill in the replyed entryplus3 list */
FSAL_DigestHandle(FSAL_GET_EXP_CTX(pcontext),
FSAL_DIGEST_FILEID3,
pfsal_handle,
(caddr_t) & (RES_READDIRPLUS_REPLY.entries[i].fileid));
FSAL_name2str(&dirent_array[i - delta].name, entry_name_array[i],
FSAL_MAX_NAME_LEN);
RES_READDIRPLUS_REPLY.entries[i].name = entry_name_array[i];
if(i != num_entries + delta - 1)
RES_READDIRPLUS_REPLY.entries[i].cookie = cookie_array[i + 1 - delta] + 2;
else
RES_READDIRPLUS_REPLY.entries[i].cookie = end_cookie + 2;
RES_READDIRPLUS_REPLY.entries[i].name_attributes.attributes_follow = FALSE;
RES_READDIRPLUS_REPLY.entries[i].name_handle.handle_follows = FALSE;
cache_inode_get_attributes(dirent_array[i - delta].pentry, &entry_attr);
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[i].name_handle.
post_op_fh3_u.handle.data.data_val = (char *)fh3_array[i];
/* Compute the NFSv3 file handle */
if(nfs3_FSALToFhandle
(&pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[i].
name_handle.post_op_fh3_u.handle, pfsal_handle, pexport) == 0)
{
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = NFS3ERR_BADHANDLE;
return NFS_REQ_OK;
}
LogFullDebug(COMPONENT_NFS_READDIR,
"-- Readdirplus3 -> i=%d num_entries=%d needed=%d space_used=%lu maxcount=%lu Name=%s FileId=%llu Cookie=%llu\n",
i, num_entries, needed, space_used, maxcount,
dirent_array[i - delta].name.name,
RES_READDIRPLUS_REPLY.entries[i].fileid,
RES_READDIRPLUS_REPLY.entries[i].cookie);
/* Set PostPoFh3 structure */
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[i].name_handle.
handle_follows = TRUE;
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries[i].name_handle.
post_op_fh3_u.handle.data.data_len = sizeof(file_handle_v3_t);
nfs_SetPostOpAttr(pcontext, pexport,
dirent_array[i - delta].pentry,
&entry_attr,
&(pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.
entries[i].name_attributes));
RES_READDIRPLUS_REPLY.entries[i].nextentry = NULL;
if(i != 0)
RES_READDIRPLUS_REPLY.entries[i - 1].nextentry =
&(RES_READDIRPLUS_REPLY.entries[i]);
}
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.eof = FALSE;
}
nfs_SetPostOpAttr(pcontext,
pexport,
dir_pentry,
&dir_attr,
&(pres->res_readdirplus3.READDIRPLUS3res_u.resok.dir_attributes));
memcpy(pres->res_readdirplus3.READDIRPLUS3res_u.resok.cookieverf,
cookie_verifier, sizeof(cookieverf3));
pres->res_readdirplus3.status = NFS3_OK;
if((eod_met == END_OF_DIR) && (i == num_entries + delta))
{
/* End of directory */
LogFullDebug(COMPONENT_NFS_READDIR,
"============================================================> EOD MET !!!!!!\n");
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.eof = TRUE;
}
else
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.eof = FALSE;
nfs_SetPostOpAttr(pcontext, pexport,
dir_pentry,
&dir_attr,
&(pres->res_readdirplus3.READDIRPLUS3res_u.resok.dir_attributes));
memcpy(pres->res_readdirplus3.READDIRPLUS3res_u.resok.cookieverf, cookie_verifier,
sizeof(cookieverf3));
LogFullDebug(COMPONENT_NFS_READDIR,"============================================================\n");
/* Free the memory */
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
return NFS_REQ_OK;
}
/* If we are here, there was an error */
/* Free the memory */
Mem_Free((char *)dirent_array);
Mem_Free((char *)cookie_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
/* Is this a retryable error */
if(nfs_RetryableError(cache_status))
return NFS_REQ_DROP;
/* Set failed status */
nfs_SetFailedStatus(pcontext, pexport,
NFS_V3,
cache_status,
NULL,
&pres->res_readdirplus3.status,
dir_pentry,
&(pres->res_readdirplus3.READDIRPLUS3res_u.resfail.dir_attributes),
NULL, NULL, NULL, NULL, NULL, NULL);
return NFS_REQ_OK;
} /* nfs3_Readdirplus */
