int fsal_internal_proxy_fsal_path_2_utf8(fsal_path_t * ppath, utf8string * utf8str)
{
char tmpstr[FSAL_MAX_PATH_LEN];
fsal_status_t fsal_status;
if(ppath == NULL || utf8str == NULL)
return FALSE;
fsal_status = FSAL_path2str(ppath, tmpstr, FSAL_MAX_NAME_LEN);
if(fsal_status.major != ERR_FSAL_NO_ERROR)
return FALSE;
if(utf8str->utf8string_len == 0)
{
if((utf8str->utf8string_val = (char *)Mem_Alloc_Label(ppath->len,
"fsal_internal_proxy_fsal_path_2_utf8")) == NULL)
return FALSE;
else
utf8str->utf8string_len = ppath->len;
}
if(str2utf8(tmpstr, utf8str) == -1)
return FALSE;
return TRUE;
} /* fsal_internal_proxy_fsal_path_2_utf8 */
/**
*
* gid2utf8: converts a gid to a utf8 string descriptor.
*
* Converts a gid to a utf8 string descriptor.
*
* @param gid [IN] the input gid
* @param utf8str [OUT] computed UTF8 string descriptor
*
* @return the length of the utf8 buffer if succesfull, -1 if failed
*
*/
int gid2utf8(gid_t gid, utf8string * utf8str)
{
char buff[NFS4_MAX_DOMAIN_LEN];
unsigned int len = 0;
if(gid2str(gid, buff) == -1)
return -1;
len = strlen(buff);
/* A matching gid was found */
/* Do the conversion to uft8 format */
if((utf8str->utf8string_val = (char *)Mem_Alloc_Label(len, "gid2utf8")) == NULL)
return -1;
else
utf8str->utf8string_len = len;
return str2utf8(buff, utf8str);
} /* gid2utf8 */
/**
*
* uid2utf8: converts a uid to a utf8 string descriptor.
*
* Converts a uid to a utf8 string descriptor.
*
* @param uid [IN] the input uid
* @param utf8str [OUT] computed UTF8 string descriptor
*
* @return the length of the utf8 buffer if succesfull, -1 if failed
*
*/
int uid2utf8(uid_t uid, utf8string * utf8str)
{
char buff[NFS4_MAX_DOMAIN_LEN];
unsigned int len = 0;
if(uid2str(uid, buff) == -1)
return -1;
len = strlen(buff);
/* A matching uid was found, now do the conversion to utf8 */
if((utf8str->utf8string_val = (char *)Mem_Alloc_Label(len, "uid2utf8")) == NULL)
return -1;
else
utf8str->utf8string_len = len;
return str2utf8(buff, utf8str);
} /* uid2utf8 */
cache_inode_status_t cache_inode_rdwr(cache_entry_t * pentry,
cache_inode_io_direction_t read_or_write,
fsal_seek_t * seek_descriptor,
fsal_size_t buffer_size,
fsal_size_t * pio_size,
fsal_attrib_list_t * pfsal_attr,
caddr_t buffer,
fsal_boolean_t * p_fsal_eof,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
uint64_t stable,
cache_inode_status_t * pstatus)
{
int statindex = 0;
cache_content_io_direction_t io_direction;
cache_content_status_t cache_content_status;
fsal_status_t fsal_status;
fsal_openflags_t openflags;
fsal_size_t io_size;
fsal_attrib_list_t post_write_attr;
fsal_status_t fsal_status_getattr;
struct stat buffstat;
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* For now, only FSAL_SEEK_SET is supported */
if(seek_descriptor->whence != FSAL_SEEK_SET)
{
LogCrit(COMPONENT_CACHE_INODE,
"Implementation trouble: seek_descriptor was not a 'FSAL_SEEK_SET' cursor");
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
return *pstatus;
}
io_size = buffer_size;
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: INODE : IO Size = %llu fdsize =%zu seeksize=%zu",
buffer_size, sizeof(fsal_file_t), sizeof(fsal_seek_t));
/* stat */
pclient->stat.nb_call_total += 1;
if(read_or_write == CACHE_INODE_READ)
{
statindex = CACHE_INODE_READ_DATA;
io_direction = CACHE_CONTENT_READ;
openflags = FSAL_O_RDONLY;
pclient->stat.func_stats.nb_call[CACHE_INODE_READ_DATA] += 1;
}
else
{
statindex = CACHE_INODE_WRITE_DATA;
io_direction = CACHE_CONTENT_WRITE;
openflags = FSAL_O_WRONLY;
pclient->stat.func_stats.nb_call[CACHE_INODE_WRITE_DATA] += 1;
}
P_w(&pentry->lock);
/* IO are done only on REGULAR_FILEs */
if(pentry->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
/* Non absolute address within the file are not supported (we act only like pread/pwrite) */
if(seek_descriptor->whence != FSAL_SEEK_SET)
{
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
/* Do we use stable or unstable storage ? */
if(stable == FSAL_UNSAFE_WRITE_TO_GANESHA_BUFFER)
{
/* Data will be stored in memory and not flush to FSAL */
/* If the unstable_data buffer allocated ? */
if(pentry->object.file.unstable_data.buffer == NULL)
{
if((pentry->object.file.unstable_data.buffer =
Mem_Alloc_Label(CACHE_INODE_UNSTABLE_BUFFERSIZE,
"Cache_Inode Unstable Buffer")) == NULL)
{
*pstatus = CACHE_INODE_MALLOC_ERROR;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
pentry->object.file.unstable_data.offset = seek_descriptor->offset;
pentry->object.file.unstable_data.length = buffer_size;
memcpy(pentry->object.file.unstable_data.buffer, buffer, buffer_size);
/* Set mtime and ctime */
cache_inode_set_time_current( &pentry->attributes.mtime ) ;
/* BUGAZOMEU : write operation must NOT modify file's ctime */
pentry->attributes.ctime = pentry->attributes.mtime;
*pio_size = buffer_size;
} /* if( pentry->object.file.unstable_data.buffer == NULL ) */
else
{
if((pentry->object.file.unstable_data.offset < seek_descriptor->offset) &&
(buffer_size + seek_descriptor->offset < CACHE_INODE_UNSTABLE_BUFFERSIZE))
{
pentry->object.file.unstable_data.length =
buffer_size + seek_descriptor->offset;
memcpy((char *)(pentry->object.file.unstable_data.buffer +
seek_descriptor->offset), buffer, buffer_size);
/* Set mtime and ctime */
cache_inode_set_time_current( &pentry->attributes.mtime ) ;
/* BUGAZOMEU : write operation must NOT modify file's ctime */
pentry->attributes.ctime = pentry->attributes.mtime;
*pio_size = buffer_size;
}
else
{
/* Go back to regular situation */
stable = FSAL_SAFE_WRITE_TO_FS;
}
}
}
/* if( stable == FALSE ) */
if(stable == FSAL_SAFE_WRITE_TO_FS ||
stable == FSAL_UNSAFE_WRITE_TO_FS_BUFFER)
{
/* Calls file content cache to operate on the cache */
if(pentry->object.file.pentry_content != NULL)
{
/* Entry is data cached */
cache_content_rdwr(pentry->object.file.pentry_content,
io_direction,
seek_descriptor,
&io_size,
pio_size,
buffer,
p_fsal_eof,
&buffstat,
(cache_content_client_t *) pclient->pcontent_client,
pcontext, &cache_content_status);
/* If the entry under resync */
if(cache_content_status == CACHE_CONTENT_LOCAL_CACHE_NOT_FOUND)
{
/* Data cache gc has removed this entry */
if(cache_content_new_entry(pentry,
NULL,
(cache_content_client_t *)pclient->pcontent_client,
RENEW_ENTRY, pcontext,
&cache_content_status) == NULL)
{
/* Entry could not be recoverd, cache_content_status contains an error, let it be managed by the next block */
LogCrit(COMPONENT_CACHE_INODE,
"Read/Write Operation through cache failed with status %d (renew process failed)",
cache_content_status);
/* Will go to the end of the function on the error clause with cache_content_status describing the error */
}
else
{
/* Entry was successfully renewed */
LogInfo(COMPONENT_CACHE_INODE,
"----> File Content Entry %p was successfully renewed",
pentry);
/* Try to access the content of the file again */
cache_content_rdwr(pentry->object.file.pentry_content,
io_direction,
seek_descriptor,
&io_size,
pio_size,
buffer,
p_fsal_eof,
&buffstat,
(cache_content_client_t *) pclient->pcontent_client,
pcontext, &cache_content_status);
/* No management of cache_content_status in case of failure, this will be done
* within the next block */
}
}
if(cache_content_status != CACHE_CONTENT_SUCCESS)
{
*pstatus = cache_content_error_convert(cache_content_status);
V_w(&pentry->lock);
LogCrit(COMPONENT_CACHE_INODE,
"Read/Write Operation through cache failed with status %d",
cache_content_status);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: inode/dc: io_size=%llu, pio_size=%llu, eof=%d, seek=%d.%"PRIu64,
io_size, *pio_size, *p_fsal_eof, seek_descriptor->whence,
seek_descriptor->offset);
LogMidDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: INODE AFTER : IO Size = %llu %llu",
io_size, *pio_size);
/* Use information from the buffstat to update the file metadata */
pentry->attributes.filesize = buffstat.st_size;
pentry->attributes.spaceused =
buffstat.st_blksize * buffstat.st_blocks;
}
else
{
/* No data cache entry, we operated directly on FSAL */
pentry->attributes.asked_attributes = pclient->attrmask;
/* We need to open if we don't have a cached
* descriptor or our open flags differs.
*/
if(cache_inode_open(pentry,
pclient,
openflags, pcontext, pstatus) != CACHE_INODE_SUCCESS)
{
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
/* Call FSAL_read or FSAL_write */
if(read_or_write == CACHE_INODE_READ)
{
#ifdef _USE_MFSL
fsal_status = MFSL_read(&(pentry->object.file.open_fd.mfsl_fd),
seek_descriptor,
io_size,
buffer,
pio_size, p_fsal_eof, &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_read(&(pentry->object.file.open_fd.fd),
seek_descriptor,
io_size, buffer, pio_size, p_fsal_eof);
#endif
}
else
{
#ifdef _USE_MFSL
fsal_status = MFSL_write(&(pentry->object.file.open_fd.mfsl_fd),
seek_descriptor,
io_size, buffer, pio_size, &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_write(&(pentry->object.file.open_fd.fd),
seek_descriptor, io_size, buffer, pio_size);
#endif
#if 0
/* Alright, the unstable write is complete. Now if it was supposed to be a stable write
* we can sync to the hard drive. */
if(stable == FSAL_SAFE_WRITE_TO_FS)
{
#ifdef _USE_MFSL
fsal_status = MFSL_commit(&(pentry->object.file.open_fd.mfsl_fd), NULL);
#else
fsal_status = FSAL_commit(&(pentry->object.file.open_fd.fd));
#endif
#endif
}
LogFullDebug(COMPONENT_FSAL,
"cache_inode_rdwr: FSAL IO operation returned %d, asked_size=%llu, effective_size=%llu",
fsal_status.major, (unsigned long long)io_size,
(unsigned long long)*pio_size);
if(FSAL_IS_ERROR(fsal_status))
{
if(fsal_status.major == ERR_FSAL_DELAY)
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: FSAL_write returned EBUSY");
else
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: fsal_status.major = %d",
fsal_status.major);
if((fsal_status.major != ERR_FSAL_NOT_OPENED)
&& (pentry->object.file.open_fd.fileno != 0))
{
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: CLOSING pentry %p: fd=%d",
pentry, pentry->object.file.open_fd.fileno);
#ifdef _USE_MFSL
MFSL_close(&(pentry->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
FSAL_close(&(pentry->object.file.open_fd.fd));
#endif
*pstatus = cache_inode_error_convert(fsal_status);
}
else
{
/* the fd has been close by another thread.
* return CACHE_INODE_FSAL_DELAY so the client will
* retry with a new fd.
*/
*pstatus = CACHE_INODE_FSAL_DELAY;
}
pentry->object.file.open_fd.last_op = 0;
pentry->object.file.open_fd.fileno = 0;
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: inode/direct: io_size=%llu, pio_size=%llu, eof=%d, seek=%d.%"PRIu64,
io_size, *pio_size, *p_fsal_eof, seek_descriptor->whence,
seek_descriptor->offset);
if(cache_inode_close(pentry, pclient, pstatus) != CACHE_INODE_SUCCESS)
{
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_rdwr: cache_inode_close = %d", *pstatus);
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[statindex] += 1;
return *pstatus;
}
if(read_or_write == CACHE_INODE_WRITE)
{
/* Do a getattr in order to have update information on filesize
* This query is done directly on FSAL (object is not data cached), and result
* will be propagated to cache Inode */
/* WARNING: This operation is to be done AFTER FSAL_close (some FSAL, like POSIX,
* may not flush data until the file is closed */
/*post_write_attr.asked_attributes = pclient->attrmask ; */
post_write_attr.asked_attributes = FSAL_ATTR_SIZE | FSAL_ATTR_SPACEUSED;
fsal_status_getattr =
FSAL_getattrs(&(pentry->handle), pcontext,
&post_write_attr);
/* if failed, the next block will handle the error */
if(FSAL_IS_ERROR(fsal_status_getattr))
fsal_status = fsal_status_getattr;
else
{
/* Update Cache Inode attributes */
pentry->attributes.filesize = post_write_attr.filesize;
pentry->attributes.spaceused = post_write_attr.spaceused;
}
}
}
/* IO was successfull (through cache content or not), we manually update the times in the attributes */
switch (read_or_write)
{
case CACHE_INODE_READ:
/* Set the atime */
cache_inode_set_time_current( & pentry->attributes.atime ) ;
break;
case CACHE_INODE_WRITE:
/* Set mtime and ctime */
cache_inode_set_time_current( & pentry->attributes.mtime ) ;
/* BUGAZOMEU : write operation must NOT modify file's ctime */
pentry->attributes.ctime = pentry->attributes.mtime;
break;
}
}
/* if(stable == TRUE ) */
/* Return attributes to caller */
if(pfsal_attr != NULL)
*pfsal_attr = pentry->attributes;
*pstatus = CACHE_INODE_SUCCESS;
/* stat */
if(read_or_write == CACHE_INODE_READ)
{
*pstatus = cache_inode_valid(pentry, CACHE_INODE_OP_GET, pclient);
if(*pstatus != CACHE_INODE_SUCCESS)
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_READ] += 1;
else
pclient->stat.func_stats.nb_success[CACHE_INODE_READ] += 1;
}
else
{
*pstatus = cache_inode_valid(pentry, CACHE_INODE_OP_SET, pclient);
if(*pstatus != CACHE_INODE_SUCCESS)
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_WRITE] += 1;
else
pclient->stat.func_stats.nb_success[CACHE_INODE_WRITE] += 1;
}
V_w(&pentry->lock);
return *pstatus;
} /* cache_inode_rdwr */
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 nfs4_op_readlink(struct nfs_argop4 *op,
compound_data_t * data, struct nfs_resop4 *resp)
{
cache_inode_status_t cache_status;
fsal_path_t symlink_path;
char __attribute__ ((__unused__)) funcname[] = "nfs4_op_readlink";
resp->resop = NFS4_OP_READLINK;
res_READLINK4.status = NFS4_OK;
/* If there is no FH */
if(nfs4_Is_Fh_Empty(&(data->currentFH)))
{
res_READLINK4.status = NFS4ERR_NOFILEHANDLE;
return NFS4ERR_NOFILEHANDLE;
}
/* If the filehandle is invalid */
if(nfs4_Is_Fh_Invalid(&(data->currentFH)))
{
res_READLINK4.status = NFS4ERR_BADHANDLE;
return NFS4ERR_BADHANDLE;
}
/* Tests if the Filehandle is expired (for volatile filehandle) */
if(nfs4_Is_Fh_Expired(&(data->currentFH)))
{
res_READLINK4.status = NFS4ERR_FHEXPIRED;
return NFS4ERR_FHEXPIRED;
}
/* You can readlink only on a link ... */
if(data->current_filetype != SYMBOLIC_LINK)
{
/* As said on page 194 of RFC3530, return NFS4ERR_INVAL in this case */
res_READLINK4.status = NFS4ERR_INVAL;
return res_READLINK4.status;
}
/* Using cache_inode_readlink */
if(cache_inode_readlink(data->current_entry,
&symlink_path,
data->ht,
data->pclient,
data->pcontext, &cache_status) == CACHE_INODE_SUCCESS)
{
/* Alloc read link */
if((res_READLINK4.READLINK4res_u.resok4.link.utf8string_val =
(char *)Mem_Alloc_Label(symlink_path.len, "nfs4_op_readlink")) == NULL)
{
res_READLINK4.status = NFS4ERR_INVAL;
return res_READLINK4.status;
}
/* convert the fsal path to a utf8 string */
if(str2utf8((char *)symlink_path.path, &res_READLINK4.READLINK4res_u.resok4.link)
== -1)
{
res_READLINK4.status = NFS4ERR_INVAL;
return res_READLINK4.status;
}
res_READLINK4.status = NFS4_OK;
return res_READLINK4.status;
}
res_READLINK4.status = nfs4_Errno(cache_status);
return res_READLINK4.status;
} /* nfs4_op_readlink */
int nlm_process_parameters(struct svc_req * preq,
bool_t exclusive,
nlm4_lock * alock,
state_lock_desc_t * plock,
hash_table_t * ht,
cache_entry_t ** ppentry,
fsal_op_context_t * pcontext,
cache_inode_client_t * pclient,
care_t care,
state_nsm_client_t ** ppnsm_client,
state_nlm_client_t ** ppnlm_client,
state_owner_t ** ppowner,
state_block_data_t ** ppblock_data)
{
cache_inode_fsal_data_t fsal_data;
fsal_attrib_list_t attr;
cache_inode_status_t cache_status;
SVCXPRT *ptr_svc = preq->rq_xprt;
*ppnsm_client = NULL;
*ppnlm_client = NULL;
*ppowner = NULL;
/* Convert file handle into a cache entry */
if(alock->fh.n_len > MAX_NETOBJ_SZ ||
!nfs3_FhandleToFSAL((nfs_fh3 *) &alock->fh, &fsal_data.handle, pcontext))
{
/* handle is not valid */
return NLM4_STALE_FH;
}
/* Now get the cached inode attributes */
fsal_data.cookie = DIR_START;
*ppentry = cache_inode_get(&fsal_data,
CACHE_INODE_JOKER_POLICY,
&attr,
ht,
pclient,
pcontext,
&cache_status);
if(*ppentry == NULL)
{
/* handle is not valid */
return NLM4_STALE_FH;
}
*ppnsm_client = get_nsm_client(care, ptr_svc, alock->caller_name);
if(*ppnsm_client == NULL)
{
/* If NSM Client is not found, and we don't care (such as unlock),
* just return GRANTED (the unlock must succeed, there can't be
* any locks).
*/
if(care != CARE_NOT)
return NLM4_DENIED_NOLOCKS;
else
return NLM4_GRANTED;
}
*ppnlm_client = get_nlm_client(care, ptr_svc, *ppnsm_client, alock->caller_name);
if(*ppnlm_client == NULL)
{
/* If NLM Client is not found, and we don't care (such as unlock),
* just return GRANTED (the unlock must succeed, there can't be
* any locks).
*/
dec_nsm_client_ref(*ppnsm_client);
if(care != CARE_NOT)
return NLM4_DENIED_NOLOCKS;
else
return NLM4_GRANTED;
}
*ppowner = get_nlm_owner(care, *ppnlm_client, &alock->oh, alock->svid);
if(*ppowner == NULL)
{
LogDebug(COMPONENT_NLM,
"Could not get NLM Owner");
dec_nsm_client_ref(*ppnsm_client);
dec_nlm_client_ref(*ppnlm_client);
*ppnlm_client = NULL;
/* If owner is not found, and we don't care (such as unlock),
* just return GRANTED (the unlock must succeed, there can't be
* any locks).
*/
if(care)
return NLM4_DENIED_NOLOCKS;
else
return NLM4_GRANTED;
}
if(ppblock_data != NULL)
{
*ppblock_data = (state_block_data_t *) Mem_Alloc_Label(sizeof(**ppblock_data),
"NLM_Block_Data");
/* Fill in the block data, if we don't get one, we will just proceed
* without (which will mean the lock doesn't block.
*/
if(*ppblock_data != NULL)
{
memset(*ppblock_data, 0, sizeof(**ppblock_data));
if(copy_xprt_addr(&(*ppblock_data)->sbd_block_data.sbd_nlm_block_data.sbd_nlm_hostaddr, ptr_svc) == 0)
{
LogFullDebug(COMPONENT_NLM,
"copy_xprt_addr failed for Program %d, Version %d, Function %d",
(int)preq->rq_prog, (int)preq->rq_vers, (int)preq->rq_proc);
Mem_Free(*ppblock_data);
*ppblock_data = NULL;
return NLM4_FAILED;
}
(*ppblock_data)->sbd_granted_callback = nlm_granted_callback;
(*ppblock_data)->sbd_block_data.sbd_nlm_block_data.sbd_nlm_fh.n_bytes =
(*ppblock_data)->sbd_block_data.sbd_nlm_block_data.sbd_nlm_fh_buf;
(*ppblock_data)->sbd_block_data.sbd_nlm_block_data.sbd_nlm_fh.n_len = alock->fh.n_len;
memcpy((*ppblock_data)->sbd_block_data.sbd_nlm_block_data.sbd_nlm_fh_buf,
alock->fh.n_bytes,
alock->fh.n_len);
/* FSF TODO: Ultimately I think the following will go away, we won't need the context, just the export */
/* Copy credentials from pcontext */
(*ppblock_data)->sbd_block_data.sbd_nlm_block_data.sbd_credential = pcontext->credential;
}
}
/* Fill in plock */
plock->sld_type = exclusive ? STATE_LOCK_W : STATE_LOCK_R;
plock->sld_offset = alock->l_offset;
plock->sld_length = alock->l_len;
LogFullDebug(COMPONENT_NLM,
"Parameters Processed");
return -1;
}
SVCXPRT *Svcudp_bufcreate(register int sock, u_int sendsz, u_int recvsz)
{
bool_t madesock = FALSE;
register SVCXPRT *xprt;
register struct Svcudp_data *su;
struct sockaddr_in addr;
unsigned long len = sizeof(struct sockaddr_in);
if(sock == RPC_ANYSOCK)
{
if((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
{
perror("Svcudp_create: socket creation problem");
return ((SVCXPRT *) NULL);
}
madesock = TRUE;
}
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
if(bindresvport(sock, &addr))
{
addr.sin_port = 0;
(void)bind(sock, (struct sockaddr *)&addr, len);
}
if(getsockname(sock, (struct sockaddr *)&addr, (socklen_t *) & len) != 0)
{
perror("Svcudp_create - cannot getsockname");
if(madesock)
(void)close(sock);
return ((SVCXPRT *) NULL);
}
xprt = (SVCXPRT *) Mem_Alloc_Label(sizeof(SVCXPRT), "SVCXPRT (UDP)");
if(xprt == NULL)
{
return (NULL);
}
su = (struct Svcudp_data *)Mem_Alloc_Label(sizeof(*su), "struct Svcudp_data");
if(su == NULL)
{
Mem_Free( xprt ) ;
return (NULL);
}
su->su_iosz = ((MAX(sendsz, recvsz) + 3) / 4) * 4;
if((rpc_buffer(xprt) = Mem_Alloc_Label(su->su_iosz, "UDP IO Buffer")) == NULL)
{
Mem_Free( su ) ;
Mem_Free( xprt ) ;
return (NULL);
}
xdrmem_create(&(su->su_xdrs), rpc_buffer(xprt), su->su_iosz, XDR_DECODE);
xprt->xp_p2 = (caddr_t) su;
xprt->xp_verf.oa_base = su->su_verfbody;
xprt->xp_ops = &Svcudp_op;
xprt->xp_port = ntohs(addr.sin_port);
xprt->XP_SOCK = sock;
Xprt_register(xprt);
return (xprt);
}
cache_inode_status_t cache_inode_open_by_name(cache_entry_t * pentry_dir,
fsal_name_t * pname,
cache_entry_t * pentry_file,
cache_inode_client_t * pclient,
fsal_openflags_t openflags,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
fsal_size_t save_filesize = 0;
fsal_size_t save_spaceused = 0;
fsal_time_t save_mtime = {
.seconds = 0,
.nseconds = 0
};
if((pentry_dir == NULL) || (pname == NULL) || (pentry_file == NULL) ||
(pclient == NULL) || (pcontext == NULL) || (pstatus == NULL))
return CACHE_INODE_INVALID_ARGUMENT;
if((pentry_dir->internal_md.type != DIRECTORY))
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
if(pentry_file->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* Open file need to be closed, unless it is already open as read/write */
if((pentry_file->object.file.open_fd.openflags != FSAL_O_RDWR) &&
(pentry_file->object.file.open_fd.openflags != 0) &&
(pentry_file->object.file.open_fd.fileno >= 0) &&
(pentry_file->object.file.open_fd.openflags != openflags))
{
#ifdef _USE_MFSL
fsal_status =
MFSL_close(&(pentry_file->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry_file->object.file.open_fd.fd));
#endif
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
pentry_file->object.file.open_fd.last_op = 0;
pentry_file->object.file.open_fd.fileno = 0;
}
if(pentry_file->object.file.open_fd.last_op == 0
|| pentry_file->object.file.open_fd.fileno == 0)
{
LogDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: lastop=0", pentry_file);
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
save_filesize = pentry_file->object.file.attributes.filesize;
save_spaceused = pentry_file->object.file.attributes.spaceused;
save_mtime = pentry_file->object.file.attributes.mtime;
}
/* opened file is not preserved yet */
#ifdef _USE_MFSL
fsal_status = MFSL_open_by_name(&(pentry_dir->mobject),
pname,
pcontext,
&pclient->mfsl_context,
openflags,
&pentry_file->object.file.open_fd.mfsl_fd,
&(pentry_file->object.file.attributes),
#ifdef _USE_PNFS
&pentry_file->object.file.pnfs_file ) ;
#else
NULL );
#endif /* _USE_PNFS */
#else
fsal_status = FSAL_open_by_name(&(pentry_dir->object.file.handle),
pname,
pcontext,
openflags,
&pentry_file->object.file.open_fd.fd,
&(pentry_file->object.file.attributes));
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_open_by_name",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
#ifdef _USE_PROXY
/* If proxy if used, we should keep the name of the file to do FSAL_rcp if needed */
if((pentry_file->object.file.pname =
(fsal_name_t *) Mem_Alloc_Label(sizeof(fsal_name_t), "fsal_name_t")) == NULL)
{
*pstatus = CACHE_INODE_MALLOC_ERROR;
return *pstatus;
}
pentry_file->object.file.pentry_parent_open = pentry_dir;
pentry_file->object.file.pname->len = pname->len;
memcpy((char *)(pentry_file->object.file.pname->name), (char *)(pname->name),
FSAL_MAX_NAME_LEN);
#endif
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
pentry_file->object.file.attributes.filesize = save_filesize;
pentry_file->object.file.attributes.spaceused = save_spaceused;
pentry_file->object.file.attributes.mtime = save_mtime;
}
#ifdef _USE_MFSL
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.mfsl_fd.fsal_file));
#else
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.fd));
#endif
pentry_file->object.file.open_fd.last_op = time(NULL);
pentry_file->object.file.open_fd.openflags = openflags;
LogDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: fd=%u",
pentry_file, pentry_file->object.file.open_fd.fileno);
}
/* regular exit */
pentry_file->object.file.open_fd.last_op = time(NULL);
/* if file descriptor is too high, garbage collect FDs */
if(pclient->use_fd_cache
&& (pentry_file->object.file.open_fd.fileno > pclient->max_fd))
{
if(cache_inode_gc_fd(pclient, pstatus) != CACHE_INODE_SUCCESS)
{
LogCrit(COMPONENT_CACHE_INODE_GC,
"FAILURE performing FD garbage collection");
return *pstatus;
}
}
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
} /* cache_inode_open_by_name */
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;
uint64_t begin_cookie;
uint64_t end_cookie;
uint64_t cache_inode_cookie;
cache_inode_dir_entry_t **dirent_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;
entryplus3 reference_entry;
READDIRPLUS3resok reference_reply;
int dir_pentry_unlock = FALSE;
if(isDebug(COMPONENT_NFSPROTO) || isDebug(COMPONENT_NFS_READDIR))
{
char str[LEN_FH_STR];
log_components_t component;
sprint_fhandle3(str, &(parg->arg_readdirplus3.dir));
if(isDebug(COMPONENT_NFSPROTO))
component = COMPONENT_NFSPROTO;
else
component = COMPONENT_NFS_READDIR;
LogDebug(component,
"REQUEST PROCESSING: Calling nfs3_Readdirplus handle: %s", str);
}
/* 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;
/* FIXME: This calculation over estimates the number of bytes that
* READDIRPLUS3resok will use on the wire by 4 bytes on x86_64. */
space_used = sizeof(reference_reply.dir_attributes.attributes_follow) +
sizeof(reference_reply.dir_attributes.post_op_attr_u.attributes) +
sizeof(reference_reply.cookieverf) +
sizeof(reference_reply.reply.eof);
estimated_num_entries =
(dircount - space_used + sizeof(entry3 *))
/ (sizeof(entry3) - sizeof(char *)*2);
// estimated_num_entries *= 4;
LogFullDebug(COMPONENT_NFS_READDIR,
"nfs3_Readdirplus: dircount=%lu maxcount=%lu begin_cookie=%"
PRIu64" space_used=%lu estimated_num_entries=%lu",
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 */
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 != DIRECTORY)
{
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;
}
}
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 nfs3_Readdirplus")) == NULL)
{
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;
/** @todo XXXX fix this--compare nfs4_op_readdir */
/* How many entries will we retry from cache_inode ? */
if(begin_cookie > 1)
{
asked_num_entries = estimated_num_entries;
cache_inode_cookie = begin_cookie;
}
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,
pexport->cache_inode_policy,
cache_inode_cookie,
asked_num_entries,
&num_entries,
&end_cookie,
&eod_met,
dirent_array,
ht,
&dir_pentry_unlock,
pclient,
pcontext,
&cache_status) == CACHE_INODE_SUCCESS)
{
LogFullDebug(COMPONENT_NFS_READDIR,
"Readdirplus3 -> Call to cache_inode_readdir( cookie=%"
PRIu64", asked=%lu ) -> num_entries = %u",
cache_inode_cookie, asked_num_entries, num_entries);
if(eod_met == END_OF_DIR)
{
LogFullDebug(COMPONENT_NFS_READDIR,
"+++++++++++++++++++++++++++++++++++++++++> EOD MET ");
}
/* 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
{
/* Allocation of the structure for reply */
entry_name_array =
(entry_name_array_item_t *) Mem_Alloc_Label(estimated_num_entries *
(FSAL_MAX_NAME_LEN + 1),
"entry_name_array in nfs3_Readdirplus");
if(entry_name_array == NULL)
{
/* after successful cache_inode_readdir, dir_pentry may be
* read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_array);
return NFS_REQ_DROP;
}
pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries =
(entryplus3 *) Mem_Alloc_Label(estimated_num_entries * sizeof(entryplus3),
"READDIRPLUS3res_u.resok.reply.entries");
if(pres->res_readdirplus3.READDIRPLUS3res_u.resok.reply.entries == NULL)
{
/* after successful cache_inode_readdir, dir_pentry may be
* read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_array);
Mem_Free((char *)entry_name_array);
return NFS_REQ_DROP;
}
/* Allocation of the file handles */
fh3_array =
(fh3_buffer_item_t *) Mem_Alloc_Label(estimated_num_entries * NFS3_FHSIZE,
"Filehandle V3 in nfs3_Readdirplus");
if(fh3_array == NULL)
{
/* after successful cache_inode_readdir, dir_pentry may be
* read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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)
{
/* after successful cache_inode_readdir, dir_pentry
* may be read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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)
{
/* after successful cache_inode_readdir, dir_pentry may
* be read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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;
entry_attr = dir_pentry->attributes;
/* 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));
LogFullDebug(COMPONENT_NFS_READDIR,
"Readdirplus3 -> i=0 num_entries=%d space_used=%lu maxcount=%lu Name=. FileId=%016llx Cookie=%llu",
num_entries, space_used, maxcount,
RES_READDIRPLUS_REPLY.entries[0].fileid,
RES_READDIRPLUS_REPLY.entries[0].cookie);
delta += 1;
}
}
/* Fill in '..' */
if(begin_cookie <= 1)
{
if(estimated_num_entries > delta)
{
if((pentry_dot_dot = cache_inode_lookupp_sw(dir_pentry,
ht,
pclient,
pcontext,
&cache_status_gethandle,
!dir_pentry_unlock)) ==
NULL)
{
/* after successful cache_inode_readdir, dir_pentry may
* be read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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)
{
/* after successful cache_inode_readdir, dir_pentry may
* be read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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[delta].
name_handle.post_op_fh3_u.handle, pfsal_handle, pexport) == 0)
{
/* after successful cache_inode_readdir, dir_pentry may
* be read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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;
entry_attr = pentry_dot_dot->attributes;
/* 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));
LogFullDebug(COMPONENT_NFS_READDIR,
"Readdirplus3 -> i=%d num_entries=%d space_used=%lu maxcount=%lu Name=.. FileId=%016llx Cookie=%llu",
delta, num_entries, space_used, maxcount,
RES_READDIRPLUS_REPLY.entries[delta].fileid,
RES_READDIRPLUS_REPLY.entries[delta].cookie);
}
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;
/* maxcount is the size with the FH and attributes overhead,
* so entryplus3 is used instead of entry3. The data structures
* in nfs23.h have funny padding depending on the arch (32 or 64).
* We can't get an accurate estimate by simply using
* sizeof(entryplus3). */
/* FIXME: There is still a 4 byte over estimate here on x86_64. */
/** @todo Remove cookie offset calculation in readdir and readdirplus (obsoleted) */
needed =
sizeof(reference_entry)
+ NFS3_FHSIZE
+ ((strlen(dirent_array[i - delta]->name.name) + 3) & ~3);
/* if delta == 1 or 2, then "." and ".." have already been added
* to the readdirplus reply. */
if (i == delta) {
needed += needed*delta /* size of a dir entry in reply */
- ((strlen(dirent_array[i - delta]->name.name) + 3) & ~3)*delta /* size of filename for current entry */
+ 4*delta; /* size of "." and ".." filenames in reply */
}
if((space_used += needed) > maxcount)
{
/* If delta != 0, then we already added "." or ".." to the reply. */
if(i == delta && delta == 0)
{
/* Not enough room to make even a single reply */
/* after successful cache_inode_readdir, dir_pentry may
* be read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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)
{
/* after successful cache_inode_readdir, dir_pentry may be
* read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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];
LogFullDebug(COMPONENT_NFS_READDIR,
"Readdirplus3 -> i=%u num_entries=%u delta=%u "
"num_entries + delta - 1=%u end_cookie=%"PRIu64,
i, num_entries, delta, num_entries + delta - 1,
end_cookie);
if(i != num_entries + delta - 1)
RES_READDIRPLUS_REPLY.entries[i].cookie =
dirent_array[i - delta]->cookie;
else
RES_READDIRPLUS_REPLY.entries[i].cookie = end_cookie;
RES_READDIRPLUS_REPLY.entries[i].name_attributes.attributes_follow = FALSE;
RES_READDIRPLUS_REPLY.entries[i].name_handle.handle_follows = FALSE;
entry_attr = dirent_array[i - delta]->pentry->attributes;
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)
{
/* after successful cache_inode_readdir, dir_pentry may be
* read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_array);
Mem_Free((char *)entry_name_array);
Mem_Free((char *)fh3_array);
pres->res_readdirplus3.status = NFS3ERR_BADHANDLE;
return NFS_REQ_OK;
}
/* 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));
LogFullDebug(COMPONENT_NFS_READDIR,
"Readdirplus3 -> i=%d, num_entries=%d needed=%lu space_used=%lu maxcount=%lu Name=%s FileId=%016llx Cookie=%llu",
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);
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 !!!!!!");
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,
"============================================================");
/* after successful cache_inode_readdir, dir_pentry may be
* read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
/* Free the memory */
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_array);
return NFS_REQ_OK;
}
/* If we are here, there was an error */
/* after successful cache_inode_readdir, dir_pentry may be
* read locked */
if (dir_pentry_unlock)
V_r(&dir_pentry->lock);
/* Free the memory */
if( !CACHE_INODE_KEEP_CONTENT( dir_pentry->policy ) )
cache_inode_release_dirent( dirent_array, num_entries, pclient ) ;
Mem_Free((char *)dirent_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 */
cache_inode_status_t cache_inode_open_by_name(cache_entry_t * pentry_dir,
fsal_name_t * pname,
cache_entry_t * pentry_file,
cache_inode_client_t * pclient,
fsal_openflags_t openflags,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
fsal_size_t save_filesize = 0;
fsal_size_t save_spaceused = 0;
fsal_time_t save_mtime = {
.seconds = 0,
.nseconds = 0
};
if((pentry_dir == NULL) || (pname == NULL) || (pentry_file == NULL) ||
(pclient == NULL) || (pcontext == NULL) || (pstatus == NULL))
return CACHE_INODE_INVALID_ARGUMENT;
if((pentry_dir->internal_md.type != DIRECTORY))
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
if(pentry_file->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* Open file need to be closed, unless it is already open as read/write */
if((pentry_file->object.file.open_fd.openflags != FSAL_O_RDWR) &&
(pentry_file->object.file.open_fd.openflags != 0) &&
(pentry_file->object.file.open_fd.fileno != 0) &&
(pentry_file->object.file.open_fd.openflags != openflags))
{
#ifdef _USE_MFSL
fsal_status =
MFSL_close(&(pentry_file->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry_file->object.file.open_fd.fd));
#endif
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
pentry_file->object.file.open_fd.last_op = 0;
pentry_file->object.file.open_fd.fileno = 0;
}
if(pentry_file->object.file.open_fd.last_op == 0
|| pentry_file->object.file.open_fd.fileno == 0)
{
LogFullDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: lastop=0", pentry_file);
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
save_filesize = pentry_file->attributes.filesize;
save_spaceused = pentry_file->attributes.spaceused;
save_mtime = pentry_file->attributes.mtime;
}
/* opened file is not preserved yet */
#ifdef _USE_MFSL
fsal_status = MFSL_open_by_name(&(pentry_dir->mobject),
pname,
pcontext,
&pclient->mfsl_context,
openflags,
&pentry_file->object.file.open_fd.mfsl_fd,
&(pentry_file->attributes),
NULL );
#else
fsal_status = FSAL_open_by_name(&(pentry_dir->handle),
pname,
pcontext,
openflags,
&pentry_file->object.file.open_fd.fd,
&(pentry_file->attributes));
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_open_by_name: returning %d(%s) from FSAL_open_by_name",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
#ifdef _USE_PROXY
/* If proxy if used, we should keep the name of the file to do FSAL_rcp if needed */
if((pentry_file->object.file.pname =
(fsal_name_t *) Mem_Alloc_Label(sizeof(fsal_name_t), "fsal_name_t")) == NULL)
{
*pstatus = CACHE_INODE_MALLOC_ERROR;
return *pstatus;
}
pentry_file->object.file.pentry_parent_open = pentry_dir;
pentry_file->object.file.pname->len = pname->len;
memcpy((char *)(pentry_file->object.file.pname->name), (char *)(pname->name),
FSAL_MAX_NAME_LEN);
#endif
/* Keep coherency with the cache_content */
if(pentry_file->object.file.pentry_content != NULL)
{
pentry_file->attributes.filesize = save_filesize;
pentry_file->attributes.spaceused = save_spaceused;
pentry_file->attributes.mtime = save_mtime;
}
#ifdef _USE_MFSL
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.mfsl_fd.fsal_file));
#else
pentry_file->object.file.open_fd.fileno =
(int)FSAL_FILENO(&(pentry_file->object.file.open_fd.fd));
#endif
pentry_file->object.file.open_fd.last_op = time(NULL);
pentry_file->object.file.open_fd.openflags = openflags;
LogFullDebug(COMPONENT_FSAL,
"cache_inode_open_by_name: pentry %p: fd=%u",
pentry_file, pentry_file->object.file.open_fd.fileno);
}
/* regular exit */
pentry_file->object.file.open_fd.last_op = time(NULL);
/* if file descriptor is too high, garbage collect FDs */
if(pclient->use_fd_cache
&& (pentry_file->object.file.open_fd.fileno > pclient->max_fd))
{
if(cache_inode_gc_fd(pclient, pstatus) != CACHE_INODE_SUCCESS)
{
LogCrit(COMPONENT_CACHE_INODE_GC,
"FAILURE performing FD garbage collection");
return *pstatus;
}
}
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
} /* cache_inode_open_by_name */
/**
*
* cache_inode_close: closes the local fd in the FSAL.
*
* Closes the local fd in the FSAL.
*
* No lock management is done in this layer: the related pentry in the cache inode layer is
* locked and will prevent from concurent accesses.
*
* @param pentry [IN] entry in file content layer whose content is to be accessed.
* @param pclient [IN] ressource allocated by the client for the nfs management.
* @pstatus [OUT] returned status.
*
* @return CACHE_CONTENT_SUCCESS is successful .
*
*/
cache_inode_status_t cache_inode_close(cache_entry_t * pentry,
cache_inode_client_t * pclient,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
if((pentry == NULL) || (pclient == NULL) || (pstatus == NULL))
return CACHE_CONTENT_INVALID_ARGUMENT;
if(pentry->internal_md.type != REGULAR_FILE)
{
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* if nothing is opened, do nothing */
if(pentry->object.file.open_fd.fileno < 0)
{
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
}
/* if locks are held in the file, do not close */
if( cache_inode_file_holds_state( pentry ) )
{
*pstatus = CACHE_INODE_SUCCESS; /** @todo : PhD : May be CACHE_INODE_STATE_CONFLICTS would be better ? */
return *pstatus;
}
if((pclient->use_fd_cache == 0) ||
(time(NULL) - pentry->object.file.open_fd.last_op > pclient->retention) ||
(pentry->object.file.open_fd.fileno > (int)(pclient->max_fd)))
{
LogFullDebug(COMPONENT_CACHE_INODE,
"cache_inode_close: pentry %p, fileno = %d, lastop=%d ago",
pentry, pentry->object.file.open_fd.fileno,
(int)(time(NULL) - pentry->object.file.open_fd.last_op));
#ifdef _USE_MFSL
fsal_status = MFSL_close(&(pentry->object.file.open_fd.mfsl_fd), &pclient->mfsl_context, NULL);
#else
fsal_status = FSAL_close(&(pentry->object.file.open_fd.fd));
#endif
pentry->object.file.open_fd.fileno = 0;
pentry->object.file.open_fd.last_op = 0;
if(FSAL_IS_ERROR(fsal_status) && (fsal_status.major != ERR_FSAL_NOT_OPENED))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_close: returning %d(%s) from FSAL_close",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
}
#ifdef _USE_PROXY
/* If proxy if used, free the name if needed */
if(pentry->object.file.pname != NULL)
{
Mem_Free((char *)(pentry->object.file.pname));
pentry->object.file.pname = NULL;
}
pentry->object.file.pentry_parent_open = NULL;
#endif
*pstatus = CACHE_CONTENT_SUCCESS;
return *pstatus;
} /* cache_content_close */
/*
* Duplicate xprt from original to copy.
*/
SVCXPRT *Svcxprt_copy(SVCXPRT *xprt_copy, SVCXPRT *xprt_orig)
{
if(xprt_copy)
FreeXprt(xprt_copy);
xprt_copy = (SVCXPRT *) Mem_Alloc(sizeof(SVCXPRT));
if(xprt_copy == NULL)
goto fail_no_xprt;
LogFullDebug(COMPONENT_RPC,
"Svcxprt_copy copying xprt_orig=%p to xprt_copy=%p",
xprt_orig, xprt_copy);
memcpy(xprt_copy, xprt_orig, sizeof(SVCXPRT));
xprt_copy->xp_p1 = NULL;
xprt_copy->xp_p2 = NULL;
if(xprt_orig->xp_ops == &Svcudp_op)
{
if(Su_data(xprt_orig))
{
struct Svcudp_data *su_o = Su_data(xprt_orig), *su_c;
su_c = (struct Svcudp_data *) Mem_Alloc(sizeof(*su_c));
if(!su_c)
goto fail;
Su_data_set(xprt_copy) = (void *) su_c;
memcpy(su_c, su_o, sizeof(*su_c));
rpc_buffer(xprt_copy) = Mem_Alloc_Label(su_c->su_iosz, "UDP IO Buffer");
if(!rpc_buffer(xprt_copy))
goto fail;
xdrmem_create(&(su_c->su_xdrs), rpc_buffer(xprt_copy), su_c->su_iosz, XDR_DECODE);
if(xprt_orig->xp_verf.oa_base == su_o->su_verfbody)
xprt_copy->xp_verf.oa_base = su_c->su_verfbody;
else
xprt_copy->xp_verf.oa_base = xprt_orig->xp_verf.oa_base;
xprt_copy->xp_verf.oa_flavor = xprt_orig->xp_verf.oa_flavor;
xprt_copy->xp_verf.oa_length = xprt_orig->xp_verf.oa_length;
}
else
goto fail;
}
else if (xprt_orig->xp_ops == &Svctcp_op)
{
struct tcp_conn *cd_o = (struct tcp_conn *)xprt_orig->xp_p1, *cd_c;
cd_c = (struct tcp_conn *) Mem_Alloc(sizeof(*cd_c));
if(!cd_c)
goto fail;
memcpy(cd_c, cd_o, sizeof(*cd_c));
xprt_copy->xp_p1 = (void *) cd_c;
xdrrec_create(&(cd_c->xdrs), 32768, 32768, (caddr_t) xprt_copy, Readtcp, Writetcp);
if(xprt_orig->xp_verf.oa_base == cd_o->verf_body)
xprt_copy->xp_verf.oa_base = cd_c->verf_body;
else
xprt_copy->xp_verf.oa_base = xprt_orig->xp_verf.oa_base;
xprt_copy->xp_verf.oa_flavor = xprt_orig->xp_verf.oa_flavor;
xprt_copy->xp_verf.oa_length = xprt_orig->xp_verf.oa_length;
}
else if (xprt_orig->xp_ops == &Svctcp_rendezvous_op)
{
goto fail;
}
else
{
LogDebug(COMPONENT_RPC,
"Attempt to copy unknown xprt %p",
xprt_orig);
Mem_Free(xprt_copy);
goto fail_no_xprt;
}
return xprt_copy;
fail:
FreeXprt(xprt_copy);
fail_no_xprt:
/* Let caller know about failure */
LogCrit(COMPONENT_RPC,
"Failed to copy xprt");
svcerr_systemerr(xprt_orig);
return NULL;
}
fsal_status_t VFSFSAL_rcp(fsal_handle_t * filehandle, /* IN */
fsal_op_context_t * p_context, /* IN */
fsal_path_t * p_local_path, /* IN */
fsal_rcpflag_t transfer_opt /* IN */
)
{
int local_fd;
int local_flags;
int errsv;
fsal_file_t fs_fd;
fsal_openflags_t fs_flags;
fsal_status_t st = FSAL_STATUS_NO_ERROR;
/* default buffer size for RCP: 10MB */
#define RCP_BUFFER_SIZE 10485760
caddr_t IObuffer;
int to_local = FALSE;
int to_fs = FALSE;
int eof = FALSE;
ssize_t local_size;
fsal_size_t fs_size;
/* sanity checks. */
if(!filehandle || !p_context || !p_local_path)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_rcp);
to_local = ((transfer_opt & FSAL_RCP_FS_TO_LOCAL) == FSAL_RCP_FS_TO_LOCAL);
to_fs = ((transfer_opt & FSAL_RCP_LOCAL_TO_FS) == FSAL_RCP_LOCAL_TO_FS);
if(to_local)
LogFullDebug(COMPONENT_FSAL,
"FSAL_rcp: FSAL -> local file (%s)", p_local_path->path);
if(to_fs)
LogFullDebug(COMPONENT_FSAL,
"FSAL_rcp: local file -> FSAL (%s)", p_local_path->path);
/* must give the sens of transfert (exactly one) */
if((!to_local && !to_fs) || (to_local && to_fs))
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_rcp);
/* first, open local file with the correct flags */
if(to_fs)
{
local_flags = O_RDONLY;
}
else
{
local_flags = O_WRONLY | O_TRUNC;
if((transfer_opt & FSAL_RCP_LOCAL_CREAT) == FSAL_RCP_LOCAL_CREAT)
local_flags |= O_CREAT;
if((transfer_opt & FSAL_RCP_LOCAL_EXCL) == FSAL_RCP_LOCAL_EXCL)
local_flags |= O_EXCL;
}
if(isFullDebug(COMPONENT_FSAL))
{
char msg[1024];
msg[0] = '\0';
if((local_flags & O_RDONLY) == O_RDONLY)
strcat(msg, "O_RDONLY ");
if((local_flags & O_WRONLY) == O_WRONLY)
strcat(msg, "O_WRONLY ");
if((local_flags & O_TRUNC) == O_TRUNC)
strcat(msg, "O_TRUNC ");
if((local_flags & O_CREAT) == O_CREAT)
strcat(msg, "O_CREAT ");
if((local_flags & O_EXCL) == O_EXCL)
strcat(msg, "O_EXCL ");
LogFullDebug(COMPONENT_FSAL, "Openning local file %s with flags: %s",
p_local_path->path, msg);
}
local_fd = open(p_local_path->path, local_flags);
errsv = errno;
if(local_fd == -1)
{
Return(posix2fsal_error(errsv), errsv, INDEX_FSAL_rcp);
}
/* call FSAL_open with the correct flags */
if(to_fs)
{
fs_flags = FSAL_O_WRONLY | FSAL_O_TRUNC;
/* invalid flags for local to filesystem */
if(((transfer_opt & FSAL_RCP_LOCAL_CREAT) == FSAL_RCP_LOCAL_CREAT)
|| ((transfer_opt & FSAL_RCP_LOCAL_EXCL) == FSAL_RCP_LOCAL_EXCL))
{
/* clean & return */
close(local_fd);
Return(ERR_FSAL_INVAL, 0, INDEX_FSAL_rcp);
}
}
else
{
fs_flags = FSAL_O_RDONLY;
}
if(isFullDebug(COMPONENT_FSAL))
{
char msg[1024];
msg[0] = '\0';
if((fs_flags & FSAL_O_RDONLY) == FSAL_O_RDONLY)
strcat(msg, "FSAL_O_RDONLY ");
if((fs_flags & FSAL_O_WRONLY) == FSAL_O_WRONLY)
strcat(msg, "FSAL_O_WRONLY ");
if((fs_flags & FSAL_O_TRUNC) == FSAL_O_TRUNC)
strcat(msg, "FSAL_O_TRUNC ");
LogFullDebug(COMPONENT_FSAL, "Openning FSAL file with flags: %s", msg);
}
st = FSAL_open(filehandle, p_context, fs_flags, &fs_fd, NULL);
if(FSAL_IS_ERROR(st))
{
/* clean & return */
close(local_fd);
Return(st.major, st.minor, INDEX_FSAL_rcp);
}
LogFullDebug(COMPONENT_FSAL,
"Allocating IO buffer of size %llu",
(unsigned long long)RCP_BUFFER_SIZE);
/* Allocates buffer */
IObuffer = (caddr_t) Mem_Alloc_Label(RCP_BUFFER_SIZE,
"IO Buffer");
if(IObuffer == NULL)
{
/* clean & return */
close(local_fd);
FSAL_close(&fs_fd);
Return(ERR_FSAL_NOMEM, Mem_Errno, INDEX_FSAL_rcp);
}
/* read/write loop */
while(!eof)
{
/* initialize error code */
st = FSAL_STATUS_NO_ERROR;
LogFullDebug(COMPONENT_FSAL, "Read a block from source");
/* read */
if(to_fs) /* from local filesystem */
{
LogFullDebug(COMPONENT_FSAL,
"Read a block from local file system");
local_size = read(local_fd, IObuffer, RCP_BUFFER_SIZE);
if(local_size == -1)
{
st.major = ERR_FSAL_IO;
st.minor = errno;
break; /* exit loop */
}
eof = (local_size == 0);
if(!eof)
{
LogFullDebug(COMPONENT_FSAL,
"Write a block (%llu bytes) to FSAL",
(unsigned long long)local_size);
st = FSAL_write(&fs_fd, NULL, local_size, IObuffer, &fs_size);
if(FSAL_IS_ERROR(st))
{
LogFullDebug(COMPONENT_FSAL,
"Error writing to FSAL");
break; /* exit loop */
}
}
else
{
LogFullDebug(COMPONENT_FSAL,
"End of file on local file system");
}
}
else /* from FSAL filesystem */
{
LogFullDebug(COMPONENT_FSAL,
"Read a block from FSAL");
fs_size = 0;
st = FSAL_read(&fs_fd, NULL, RCP_BUFFER_SIZE, IObuffer, &fs_size, &eof);
if(FSAL_IS_ERROR(st))
break; /* exit loop */
if(fs_size > 0)
{
LogFullDebug(COMPONENT_FSAL,
"Write a block (%llu bytes) to local file system",
(unsigned long long)fs_size);
local_size = write(local_fd, IObuffer, fs_size);
if(local_size == -1)
{
st.major = ERR_FSAL_IO;
st.minor = errno;
break; /* exit loop */
}
}
else
{
LogFullDebug(COMPONENT_FSAL,
"End of file on FSAL");
break;
}
LogFullDebug(COMPONENT_FSAL, "Size read from source: %llu",
(unsigned long long)fs_size);
}
} /* while !eof */
/* Clean */
Mem_Free(IObuffer);
close(local_fd);
FSAL_close(&fs_fd);
/* return status. */
Return(st.major, st.minor, INDEX_FSAL_rcp);
}
int nfs_Mkdir(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[] = "nfs_Mkdir";
char *str_dir_name = NULL;
fsal_accessmode_t mode = 0;
cache_entry_t *dir_pentry = NULL;
cache_entry_t *parent_pentry = NULL;
int rc = 0;
fsal_attrib_list_t parent_attr;
fsal_attrib_list_t attr;
fsal_attrib_list_t *ppre_attr;
fsal_attrib_list_t attr_parent_after;
cache_inode_file_type_t parent_filetype;
fsal_handle_t *pfsal_handle;
fsal_name_t dir_name;
cache_inode_status_t cache_status = CACHE_INODE_SUCCESS;
cache_inode_status_t cache_status_lookup;
if(isDebug(COMPONENT_NFSPROTO))
{
char str[LEN_FH_STR];
switch (preq->rq_vers)
{
case NFS_V2:
str_dir_name = parg->arg_mkdir2.where.name;
break;
case NFS_V3:
str_dir_name = parg->arg_mkdir3.where.name;
break;
}
nfs_FhandleToStr(preq->rq_vers,
&(parg->arg_mkdir2.where.dir),
&(parg->arg_mkdir3.where.dir),
NULL,
str);
LogDebug(COMPONENT_NFSPROTO,
"REQUEST PROCESSING: Calling nfs_Mkdir handle: %s name: %s",
str, str_dir_name);
}
if(preq->rq_vers == NFS_V3)
{
/* to avoid setting it on each error case */
pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc.before.attributes_follow = FALSE;
pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc.after.attributes_follow = FALSE;
ppre_attr = NULL;
}
if((parent_pentry = nfs_FhandleToCache(preq->rq_vers,
&(parg->arg_mkdir2.where.dir),
&(parg->arg_mkdir3.where.dir),
NULL,
&(pres->res_dirop2.status),
&(pres->res_mkdir3.status),
NULL,
&parent_attr,
pcontext, pclient, ht, &rc)) == NULL)
{
/* Stale NFS FH ? */
return rc;
}
/* get directory attributes before action (for V3 reply) */
ppre_attr = &parent_attr;
/* Extract the filetype */
parent_filetype = cache_inode_fsal_type_convert(parent_attr.type);
/*
* Sanity checks:
*/
if(parent_filetype != DIRECTORY)
{
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_NOTDIR;
break;
case NFS_V3:
pres->res_mkdir3.status = NFS3ERR_NOTDIR;
break;
}
return NFS_REQ_OK;
}
switch (preq->rq_vers)
{
case NFS_V2:
str_dir_name = parg->arg_mkdir2.where.name;
if(parg->arg_mkdir2.attributes.mode != (unsigned int)-1)
{
mode = (fsal_accessmode_t) parg->arg_mkdir2.attributes.mode;
}
else
{
mode = (fsal_accessmode_t) 0;
}
break;
case NFS_V3:
str_dir_name = parg->arg_mkdir3.where.name;
if(parg->arg_mkdir3.attributes.mode.set_it == TRUE)
mode = (fsal_accessmode_t) parg->arg_mkdir3.attributes.mode.set_mode3_u.mode;
else
mode = (fsal_accessmode_t) 0;
break;
}
//if(str_dir_name == NULL || strlen(str_dir_name) == 0)
if(str_dir_name == NULL || *str_dir_name == '\0' )
{
if(preq->rq_vers == NFS_V2)
pres->res_dirop2.status = NFSERR_IO;
if(preq->rq_vers == NFS_V3)
pres->res_mkdir3.status = NFS3ERR_INVAL;
}
else
{
/* Make the directory */
if((cache_status = cache_inode_error_convert(FSAL_str2name(str_dir_name,
FSAL_MAX_NAME_LEN,
&dir_name))) ==
CACHE_INODE_SUCCESS)
{
/*
* Lookup file to see if it exists. If so, use it. Otherwise
* create a new one.
*/
dir_pentry = cache_inode_lookup( parent_pentry,
&dir_name,
pexport->cache_inode_policy,
&attr,
ht,
pclient,
pcontext,
&cache_status_lookup);
if(cache_status_lookup == CACHE_INODE_NOT_FOUND)
{
/* Create the directory */
if((dir_pentry = cache_inode_create(parent_pentry,
&dir_name,
DIRECTORY,
pexport->cache_inode_policy,
mode,
NULL,
&attr,
ht,
pclient,
pcontext, &cache_status)) != NULL)
{
/*
* Get the FSAL handle for this entry
*/
pfsal_handle = cache_inode_get_fsal_handle(dir_pentry, &cache_status);
if(cache_status == CACHE_INODE_SUCCESS)
{
switch (preq->rq_vers)
{
case NFS_V2:
/* Build file handle */
if(!nfs2_FSALToFhandle
(&(pres->res_dirop2.DIROP2res_u.diropok.file), pfsal_handle,
pexport))
pres->res_dirop2.status = NFSERR_IO;
else
{
/*
* Build entry
* attributes
*/
if(nfs2_FSALattr_To_Fattr(pexport, &attr,
&(pres->res_dirop2.DIROP2res_u.
diropok.attributes)) == 0)
pres->res_dirop2.status = NFSERR_IO;
else
pres->res_dirop2.status = NFS_OK;
}
break;
case NFS_V3:
/* Build file handle */
if((pres->res_mkdir3.MKDIR3res_u.resok.obj.post_op_fh3_u.
handle.data.data_val = Mem_Alloc_Label(NFS3_FHSIZE,
"Filehandle V3 in nfs3_mkdir")) == NULL)
{
pres->res_mkdir3.status = NFS3ERR_IO;
return NFS_REQ_OK;
}
if(nfs3_FSALToFhandle
(&pres->res_mkdir3.MKDIR3res_u.resok.obj.post_op_fh3_u.
handle, pfsal_handle, pexport) == 0)
{
Mem_Free((char *)pres->res_mkdir3.MKDIR3res_u.resok.obj.
post_op_fh3_u.handle.data.data_val);
pres->res_mkdir3.status = NFS3ERR_INVAL;
return NFS_REQ_OK;
}
else
{
/* Set Post Op Fh3 structure */
pres->res_mkdir3.MKDIR3res_u.resok.obj.handle_follows =
TRUE;
pres->res_mkdir3.MKDIR3res_u.resok.obj.post_op_fh3_u.handle.
data.data_len = sizeof(file_handle_v3_t);
/*
* Build entry
* attributes
*/
nfs_SetPostOpAttr(pcontext, pexport,
dir_pentry,
&attr,
&(pres->res_mkdir3.MKDIR3res_u.resok.
obj_attributes));
/* Get the attributes of the parent after the operation */
cache_inode_get_attributes(parent_pentry,
&attr_parent_after);
/*
* Build Weak Cache
* Coherency data
*/
nfs_SetWccData(pcontext, pexport,
parent_pentry,
ppre_attr,
&attr_parent_after,
&(pres->res_mkdir3.MKDIR3res_u.resok.
dir_wcc));
pres->res_mkdir3.status = NFS3_OK;
}
break;
}
return NFS_REQ_OK;
}
}
} /* If( cache_status_lookup == CACHE_INODE_NOT_FOUND ) */
else
{
/* object already exists or failure during lookup */
if(cache_status_lookup == CACHE_INODE_SUCCESS)
{
/* Trying to create a file that already exists */
cache_status = CACHE_INODE_ENTRY_EXISTS;
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_EXIST;
break;
case NFS_V3:
pres->res_mkdir3.status = NFS3ERR_EXIST;
break;
}
}
else
{
/* Server fault */
cache_status = cache_status_lookup;
switch (preq->rq_vers)
{
case NFS_V2:
pres->res_dirop2.status = NFSERR_IO;
break;
case NFS_V3:
pres->res_mkdir3.status = NFS3ERR_INVAL;
break;
}
}
nfs_SetFailedStatus(pcontext, pexport,
preq->rq_vers,
cache_status,
&pres->res_dirop2.status,
&pres->res_mkdir3.status,
NULL, NULL,
parent_pentry,
ppre_attr,
&(pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc),
NULL, NULL, NULL);
return NFS_REQ_OK;
}
}
}
/* If we are here, there was an error */
if(nfs_RetryableError(cache_status))
{
return NFS_REQ_DROP;
}
nfs_SetFailedStatus(pcontext, pexport,
preq->rq_vers,
cache_status,
&pres->res_dirop2.status,
&pres->res_mkdir3.status,
NULL, NULL,
parent_pentry,
ppre_attr,
&(pres->res_mkdir3.MKDIR3res_u.resfail.dir_wcc), NULL, NULL, NULL);
return NFS_REQ_OK;
}
