/**
* FSAL_access :
* Tests whether the user or entity identified by its cred
* can access the object identified by object_handle,
* as indicated by the access_type parameters.
*
* \param object_handle (input):
* The handle of the object to test permissions on.
* \param cred (input):
* Authentication context for the operation (user,...).
* \param access_type (input):
* Indicates the permissions to test.
* This is an inclusive OR of the permissions
* to be checked for the user identified by cred.
* Permissions constants are :
* - FSAL_R_OK : test for read permission
* - FSAL_W_OK : test for write permission
* - FSAL_X_OK : test for exec permission
* - FSAL_F_OK : test for file existence
* \param object_attributes (optional input/output):
* The post operation attributes for the object.
* As input, it defines the attributes that the caller
* wants to retrieve (by positioning flags into this structure)
* and the output is built considering this input
* (it fills the structure according to the flags it contains).
* May be NULL.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error)
* - Another error code if an error occured.
*/
fsal_status_t VFSFSAL_access(fsal_handle_t * p_object_handle, /* IN */
fsal_op_context_t * p_context, /* IN */
fsal_accessflags_t access_type, /* IN */
fsal_attrib_list_t * p_object_attributes /* [ IN/OUT ] */
)
{
fsal_status_t status;
/* sanity checks.
* note : object_attributes is optionnal in VFSFSAL_getattrs.
*/
if(!p_object_handle || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_access);
/*
* If an error occures during getattr operation,
* it is returned, even though the access operation succeeded.
*/
if(p_object_attributes)
{
FSAL_SET_MASK(p_object_attributes->asked_attributes,
FSAL_ATTR_OWNER | FSAL_ATTR_GROUP | FSAL_ATTR_ACL | FSAL_ATTR_MODE);
status = FSAL_getattrs(p_object_handle, p_context, p_object_attributes);
/* on error, we set a special bit in the mask. */
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(p_object_attributes->asked_attributes);
FSAL_SET_MASK(p_object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
Return(status.major, status.minor, INDEX_FSAL_access);
}
status =
fsal_check_access(p_context, access_type, NULL, p_object_attributes);
}
else
{ /* p_object_attributes is NULL */
fsal_attrib_list_t attrs;
FSAL_CLEAR_MASK(attrs.asked_attributes);
FSAL_SET_MASK(attrs.asked_attributes,
FSAL_ATTR_OWNER | FSAL_ATTR_GROUP | FSAL_ATTR_ACL | FSAL_ATTR_MODE);
status = FSAL_getattrs(p_object_handle, p_context, &attrs);
/* on error, we set a special bit in the mask. */
if(FSAL_IS_ERROR(status))
Return(status.major, status.minor, INDEX_FSAL_access);
status = fsal_check_access(p_context, access_type, NULL, &attrs);
}
Return(status.major, status.minor, INDEX_FSAL_access);
}
fsal_status_t MFSL_getattrs(mfsl_object_t * filehandle, /* IN */
fsal_op_context_t * p_context, /* IN */
mfsl_context_t * p_mfsl_context, /* IN */
fsal_attrib_list_t * object_attributes /* IN/OUT */
)
{
return FSAL_getattrs(&filehandle->handle, p_context, object_attributes);
} /* MFSL_getattrs */
fsal_status_t MFSL_getattrs(mfsl_object_t * filehandle, /* IN */
fsal_op_context_t * p_context, /* IN */
mfsl_context_t * p_mfsl_context, /* IN */
fsal_attrib_list_t * object_attributes, /* IN/OUT */
void * pextra
)
{
struct timeval start, stop, delta ;
fsal_status_t fsal_status = { ERR_FSAL_NO_ERROR, 0 } ;
gettimeofday( &start, 0 ) ;
fsal_status = FSAL_getattrs(&filehandle->handle, p_context, object_attributes);
gettimeofday( &stop, 0 ) ;
delta = mfsl_timer_diff( &stop, &start ) ;
LogFullDebug( COMPONENT_MFSL, "%s: duration=%ld.%06ld", __FUNCTION__, delta.tv_sec, delta.tv_usec ) ;
return fsal_status ;
} /* MFSL_getattrs */
/**
* Get the attributes of an extended attribute from its index.
*
* \param p_objecthandle Handle of the object you want to get attribute for.
* \param p_context pointer to the current security context.
* \param xattr_cookie xattr's cookie (as returned by listxattrs).
* \param p_attrs xattr's attributes.
*/
fsal_status_t dpmfsal_GetXAttrAttrs(fsal_handle_t * p_objecthandle, // IN
fsal_op_context_t * p_context, // IN
unsigned int xattr_id, // IN
fsal_attrib_list_t * p_attrs // IN/OUT
)
{
int rc;
char buff[MAXNAMLEN];
fsal_status_t st;
fsal_attrib_list_t file_attrs;
LogInfo(COMPONENT_FSAL, "dpmfsal_GetXAttrAttrs: start");
/* sanity checks */
if (!p_objecthandle || !p_context || !p_attrs)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_GetXAttrAttrs);
/* object attributes we want to retrieve from parent */
file_attrs.asked_attributes = FSAL_ATTR_MODE | FSAL_ATTR_FILEID
| FSAL_ATTR_OWNER | FSAL_ATTR_GROUP | FSAL_ATTR_ATIME
| FSAL_ATTR_MTIME | FSAL_ATTR_CTIME | FSAL_ATTR_CREATION
| FSAL_ATTR_CHGTIME | FSAL_ATTR_FSID;
/* don't retrieve attributes not asked */
file_attrs.asked_attributes &= p_attrs->asked_attributes;
st = FSAL_getattrs(p_objecthandle, p_context, &file_attrs);
if (FSAL_IS_ERROR(st))
Return(st.major, st.minor, INDEX_FSAL_GetXAttrAttrs);
if ((rc = file_attributes_to_xattr_attrs(&file_attrs, p_attrs, xattr_id))) {
Return(ERR_FSAL_INVAL, rc, INDEX_FSAL_GetXAttrAttrs);
}
LogFullDebug(COMPONENT_FSAL, "dpmfsal_GetXAttrAttrs: done");
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_GetXAttrAttrs);
} /* FSAL_GetXAttrAttrs */
/**
* Get the attributes of an extended attribute from its index.
*
* \param p_objecthandle Handle of the object you want to get attribute for.
* \param p_context pointer to the current security context.
* \param xattr_cookie xattr's cookie (as returned by listxattrs).
* \param p_attrs xattr's attributes.
*/
fsal_status_t FSAL_GetXAttrAttrs(fsal_handle_t * p_objecthandle, /* IN */
fsal_op_context_t * p_context, /* IN */
unsigned int xattr_id, /* IN */
fsal_attrib_list_t * p_attrs
/**< IN/OUT xattr attributes (if supported) */
)
{
int rc;
char buff[MAXNAMLEN];
fsal_status_t st;
fsal_attrib_list_t file_attrs;
/* sanity checks */
if(!p_objecthandle || !p_context || !p_attrs)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_GetXAttrAttrs);
/* object attributes we want to retrieve from parent */
file_attrs.asked_attributes = FSAL_ATTR_MODE | FSAL_ATTR_FILEID | FSAL_ATTR_OWNER
| FSAL_ATTR_GROUP | FSAL_ATTR_ATIME | FSAL_ATTR_MTIME
| FSAL_ATTR_CTIME | FSAL_ATTR_CREATION | FSAL_ATTR_CHGTIME | FSAL_ATTR_FSID;
/* don't retrieve attributes not asked */
file_attrs.asked_attributes &= p_attrs->asked_attributes;
st = FSAL_getattrs(p_objecthandle, p_context, &file_attrs);
if(FSAL_IS_ERROR(st))
Return(st.major, st.minor, INDEX_FSAL_GetXAttrAttrs);
if((rc = file_attributes_to_xattr_attrs(&file_attrs, p_attrs, xattr_id)))
{
Return(ERR_FSAL_INVAL, rc, INDEX_FSAL_GetXAttrAttrs);
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_GetXAttrAttrs);
} /* FSAL_GetXAttrAttrs */
fsal_status_t FSAL_get_cookieverf(fsal_handle_t * handle,
fsal_op_context_t * p_context,
uint64_t * verf)
{
fsal_status_t rc;
msectimer_t timer_start, timer_end;
timer_start = timer_get();
if (fsal_functions.fsal_get_cookieverf)
{
rc = fsal_functions.fsal_get_cookieverf(handle,
verf);
}
else
{
fsal_attrib_list_t attributes;
memset(&attributes, 0, sizeof(fsal_attrib_list_t));
attributes.asked_attributes = FSAL_ATTR_MTIME;
rc = FSAL_getattrs(handle,
p_context,
&attributes);
if (!FSAL_IS_ERROR(rc))
{
memcpy(verf, &attributes.mtime, sizeof(uint64_t));
ReturnCode(ERR_FSAL_NO_ERROR, 0);
}
}
timer_end = timer_get();
p_context->latency += timer_end - timer_start;
p_context->count++;
return rc;
}
/**
* FSAL_access :
* Tests whether the user or entity identified by the p_context structure
* can access the object identified by object_handle,
* as indicated by the access_type parameter.
*
* \param object_handle (input):
* The handle of the object to test permissions on.
* \param p_context (input):
* Authentication context for the operation (export entry, user,...).
* \param access_type (input):
* Indicates the permissions to be tested.
* This is an inclusive OR of the permissions
* to be checked for the user specified by p_context.
* Permissions constants are :
* - FSAL_R_OK : test for read permission
* - FSAL_W_OK : test for write permission
* - FSAL_X_OK : test for exec permission
* - FSAL_F_OK : test for file existence
* \param object_attributes (optional input/output):
* The post operation attributes for the object.
* As input, it defines the attributes that the caller
* wants to retrieve (by positioning flags into this structure)
* and the output is built considering this input
* (it fills the structure according to the flags it contains).
* Can be NULL.
*
* \return Major error codes :
* - ERR_FSAL_NO_ERROR (no error, asked permission is granted)
* - ERR_FSAL_ACCESS (object permissions doesn't fit asked access type)
* - ERR_FSAL_STALE (object_handle does not address an existing object)
* - ERR_FSAL_FAULT (a NULL pointer was passed as mandatory argument)
* - Other error codes when something anormal occurs.
*/
fsal_status_t HPSSFSAL_access(hpssfsal_handle_t * object_handle, /* IN */
hpssfsal_op_context_t * p_context, /* IN */
fsal_accessflags_t access_type, /* IN */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
int hpss_test_mode = 0;
int rc;
fsal_status_t st;
/* sanity checks.
* note : object_attributes is optionnal in FSAL_getattrs.
*/
if(!object_handle || !p_context)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_access);
/* converts fsal access type to hpss access type */
hpss_test_mode = fsal2hpss_testperm(access_type);
/* call to HPSS access */
TakeTokenFSCall();
rc = hpss_AccessHandle(&(object_handle->data.ns_handle), /* IN - parent object handle */
NULL, /* IN - path of file to check access rights */
hpss_test_mode, /* IN - Type of access to be checked */
&p_context->credential.hpss_usercred /* IN - user credentials */
#if HPSS_MAJOR_VERSION < 7
, NULL /* OUT - authorization ticket */
#endif
);
ReleaseTokenFSCall();
/* convert returned code */
/* The HPSS_ENOENT error actually means that handle is STALE */
if(rc == HPSS_ENOENT)
Return(ERR_FSAL_STALE, -rc, INDEX_FSAL_access);
else if(rc)
Return(hpss2fsal_error(rc), -rc, INDEX_FSAL_access);
/* get attributes if object_attributes is not null.
* If an error occures during getattr operation,
* it is returned, even though the access operation succeeded.
*/
if(object_attributes)
{
fsal_status_t status;
status = FSAL_getattrs(object_handle, p_context, object_attributes);
/* on error, we set a special bit in the mask. */
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
}
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_access);
}
/**
*
* cache_inode_link: hardlinks a pentry to another.
*
* Hard links a pentry to another. This is basically a equivalent of FSAL_link in the cache inode layer.
*
* @param pentry_src [IN] entry pointer the entry to be linked. This can't be a directory.
* @param pentry_dir_dest [INOUT] entry pointer for the destination directory in which the link will be created.
* @param plink_name [IN] pointer to the name of the object in the destination directory.
* @param pattr [OUT] attributes for the linked attributes after the operation.
* @param ht [INOUT] hash table used for the cache.
* @param pclient [INOUT] ressource allocated by the client for the nfs management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
*
* @return CACHE_INODE_SUCCESS if operation is a success \n
* @return CACHE_INODE_LRU_ERROR if allocation error occured when validating the entry\n
* @return CACHE_INODE_BAD_TYPE either source or destination have incorrect type\n
* @return CACHE_INODE_ENTRY_EXISTS entry of that name already exists in destination.
*
*/
cache_inode_status_t cache_inode_link(cache_entry_t * pentry_src,
cache_entry_t * pentry_dir_dest,
fsal_name_t * plink_name,
fsal_attrib_list_t * pattr,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_status_t fsal_status;
fsal_handle_t handle_src;
fsal_handle_t handle_dest;
fsal_attrib_list_t link_attributes;
#ifdef _USE_MFSL
fsal_attrib_list_t dirdest_attributes;
#endif
cache_inode_status_t status;
cache_entry_t *pentry_lookup = NULL;
fsal_attrib_list_t lookup_attributes;
fsal_size_t save_size = 0;
fsal_size_t save_spaceused = 0;
fsal_time_t save_mtime = {
.seconds = 0,
.nseconds = 0
};
fsal_accessflags_t access_mask = 0;
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* stats */
pclient->stat.nb_call_total += 1;
pclient->stat.func_stats.nb_call[CACHE_INODE_LINK] += 1;
/* Is the destination a directory ? */
if(pentry_dir_dest->internal_md.type != DIR_BEGINNING &&
pentry_dir_dest->internal_md.type != DIR_CONTINUE)
{
/* Bad type .... */
*pstatus = CACHE_INODE_BAD_TYPE;
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LINK] += 1;
return *pstatus;
}
/* Check if caller is allowed to perform the operation */
access_mask = FSAL_MODE_MASK_SET(FSAL_W_OK) |
FSAL_ACE4_MASK_SET(FSAL_ACE_PERM_ADD_FILE);
if((status = cache_inode_access(pentry_dir_dest,
access_mask,
ht, pclient, pcontext, &status)) != CACHE_INODE_SUCCESS)
{
*pstatus = status;
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LINK] += 1;
/* pentry is a directory */
return *pstatus;
}
/* Check if an entry of the same name doesn't exist in the destination directory */
if((pentry_lookup = cache_inode_lookup(pentry_dir_dest,
plink_name,
&lookup_attributes,
ht, pclient, pcontext, pstatus)) != NULL)
{
/* There exists such an entry... */
*pstatus = CACHE_INODE_ENTRY_EXISTS;
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LINK] += 1;
return *pstatus;
}
/* The pentry to be hardlinked can't be a DIR_BEGINNING or a DIR_CONTINUE */
if(pentry_src->internal_md.type == DIR_BEGINNING ||
pentry_src->internal_md.type == DIR_CONTINUE)
{
/* Bad type .... */
*pstatus = CACHE_INODE_BAD_TYPE;
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LINK] += 1;
return *pstatus;
}
#if 0
if( pentry_src->internal_md.type == REGULAR_FILE )
printf( "=== link === %p | inode=%llu\n", pentry_src, pentry_src->object.file.attributes.fileid ) ;
#endif
/* At this point, we know that the entry does not exist in destination directory, we know that the
* destination is actually a directory and that the source is no directory */
/* Lock the source */
P_w(&pentry_src->lock);
/* Lock the target dir */
P_w(&pentry_dir_dest->lock);
/* Get the handles */
switch (pentry_src->internal_md.type)
{
case REGULAR_FILE:
handle_src = pentry_src->object.file.handle;
break;
case SYMBOLIC_LINK:
handle_src = pentry_src->object.symlink.handle;
break;
case FS_JUNCTION:
case DIR_BEGINNING:
handle_src = pentry_src->object.dir_begin.handle;
break;
case DIR_CONTINUE:
/* lock the related dir_begin (dir begin are garbagge collected AFTER their related dir_cont)
* this means that if a DIR_CONTINUE exists, its pdir pointer is not endless */
P_r(&pentry_src->object.dir_cont.pdir_begin->lock);
handle_src = pentry_src->object.dir_cont.pdir_begin->object.dir_begin.handle;
V_r(&pentry_src->object.dir_cont.pdir_begin->lock);
break;
case CHARACTER_FILE:
case BLOCK_FILE:
case SOCKET_FILE:
case FIFO_FILE:
handle_src = pentry_src->object.special_obj.handle;
break;
case UNASSIGNED:
case RECYCLED:
LogCrit(COMPONENT_CACHE_INODE,
"WARNING: unknown source pentry type: internal_md.type=%d, line %d in file %s",
pentry_src->internal_md.type, __LINE__, __FILE__);
*pstatus = CACHE_INODE_BAD_TYPE;
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LINK] += 1;
return *pstatus;
}
switch (pentry_dir_dest->internal_md.type)
{
case FS_JUNCTION:
case DIR_BEGINNING:
handle_dest = pentry_dir_dest->object.dir_begin.handle;
break;
case DIR_CONTINUE:
/* lock the related dir_begin (dir begin are garbagge collected AFTER their related dir_cont)
* this means that if a DIR_CONTINUE exists, its pdir pointer is not endless */
P_r(&pentry_dir_dest->object.dir_cont.pdir_begin->lock);
handle_dest = pentry_src->object.dir_cont.pdir_begin->object.dir_begin.handle;
V_r(&pentry_dir_dest->object.dir_cont.pdir_begin->lock);
break;
default:
LogCrit(COMPONENT_CACHE_INODE,
"WARNING: unknown source pentry type: internal_md.type=%d, line %d in file %s",
pentry_src->internal_md.type, __LINE__, __FILE__);
*pstatus = CACHE_INODE_BAD_TYPE;
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_LINK] += 1;
return *pstatus;
}
/* If object is a data cached regular file, keeps it mtime and size, STEP 1 */
if((pentry_src->internal_md.type == REGULAR_FILE)
&& (pentry_src->object.file.pentry_content != NULL))
{
save_mtime = pentry_src->object.file.attributes.mtime;
save_size = pentry_src->object.file.attributes.filesize;
save_spaceused = pentry_src->object.file.attributes.spaceused;
}
/* Do the link at FSAL level */
link_attributes.asked_attributes = pclient->attrmask;
#ifdef _USE_MFSL
cache_inode_get_attributes(pentry_src, &link_attributes);
cache_inode_get_attributes(pentry_dir_dest, &dirdest_attributes);
fsal_status =
MFSL_link(&pentry_src->mobject, &pentry_dir_dest->mobject, plink_name, pcontext,
&pclient->mfsl_context, &link_attributes, NULL);
#else
fsal_status =
FSAL_link(&handle_src, &handle_dest, plink_name, pcontext, &link_attributes);
#endif
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
V_w(&pentry_dir_dest->lock);
V_w(&pentry_src->lock);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
fsal_status_t getattr_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_link: Stale FSAL File Handle detected for at least one in pentry = %p and pentry = %p",
pentry_src, pentry_dir_dest);
/* Use FSAL_getattrs to find which entry is staled */
getattr_status = FSAL_getattrs(&handle_src, pcontext, &link_attributes);
if(getattr_status.major == ERR_FSAL_ACCESS)
{
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_link: Stale FSAL File Handle detected for pentry = %p",
pentry_src);
if(cache_inode_kill_entry(pentry_src, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_link: Could not kill entry %p, status = %u",
pentry_src, kill_status);
}
getattr_status = FSAL_getattrs(&handle_dest, pcontext, &link_attributes);
if(getattr_status.major == ERR_FSAL_ACCESS)
{
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_link: Stale FSAL File Handle detected for pentry = %p",
pentry_dir_dest);
if(cache_inode_kill_entry(pentry_dir_dest, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_link: Could not kill entry %p, status = %u",
pentry_dir_dest, kill_status);
}
}
*pstatus = CACHE_INODE_FSAL_ESTALE;
return *pstatus;
}
/* If object is a data cached regular file, keeps it mtime and size, STEP 2 */
if((pentry_src->internal_md.type == REGULAR_FILE)
&& (pentry_src->object.file.pentry_content != NULL))
{
link_attributes.mtime = save_mtime;
link_attributes.filesize = save_size;
link_attributes.spaceused = save_spaceused;
}
/* Update cached attributes */
cache_inode_set_attributes(pentry_src, &link_attributes);
/* Add the new entry in the destination directory */
if(cache_inode_add_cached_dirent(pentry_dir_dest,
plink_name,
pentry_src,
NULL,
ht, pclient, pcontext, &status) != CACHE_INODE_SUCCESS)
{
V_w(&pentry_dir_dest->lock);
V_w(&pentry_src->lock);
return *pstatus;
}
/* Regular exit */
/* return the attributes */
*pattr = link_attributes;
/* Validate the entries */
*pstatus = cache_inode_valid(pentry_src, CACHE_INODE_OP_SET, pclient);
/* Release the target dir */
V_w(&pentry_dir_dest->lock);
/* Release the source */
V_w(&pentry_src->lock);
/* stats */
if(*pstatus != CACHE_INODE_SUCCESS)
pclient->stat.func_stats.nb_err_retryable[CACHE_INODE_LINK] += 1;
else
pclient->stat.func_stats.nb_success[CACHE_INODE_LINK] += 1;
return *pstatus;
}
/**
*
* cache_inode_renew_entry: Renews the attributes for an entry.
*
* Sets the attributes for an entry located in the cache by its address. Attributes are provided
* with compliance to the underlying FSAL semantics. Attributes that are set are returned in "*pattr".
*
* @param pentry_parent [IN] entry for the parent directory to be managed.
* @param pattr [OUT] renewed attributes for the entry that we have found.
* @param pclient [INOUT] ressource allocated by the client for the nfs management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
*
* @return CACHE_INODE_SUCCESS if operation is a success \n
@return Other errors shows a FSAL error.
*
*/
cache_inode_status_t cache_inode_renew_entry(cache_entry_t * pentry,
fsal_attrib_list_t * pattr,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
fsal_handle_t *pfsal_handle = NULL;
fsal_status_t fsal_status;
fsal_attrib_list_t object_attributes;
fsal_path_t link_content;
time_t current_time = time(NULL);
time_t entry_time = pentry->internal_md.refresh_time;
/* If we do nothing (no expiration) then everything is all right */
*pstatus = CACHE_INODE_SUCCESS;
if(isFullDebug(COMPONENT_CACHE_INODE))
{
char *type;
char grace[20], grace2[20];
unsigned int elapsed = (unsigned int)current_time - (unsigned int)entry_time;
int print = 1;
cache_inode_expire_to_str(pclient->expire_type_attr, pclient->grace_period_attr, grace);
switch(pentry->internal_md.type)
{
case UNASSIGNED:
type = "UNASSIGNED";
break;
case REGULAR_FILE:
type = "REGULAR_FILE";
break;
case CHARACTER_FILE:
type = "CHARACTER_FILE";
break;
case BLOCK_FILE:
type = "BLOCK_FILE";
break;
case SYMBOLIC_LINK:
print = 0;
cache_inode_expire_to_str(pclient->expire_type_link, pclient->grace_period_link, grace2);
LogDebug(COMPONENT_CACHE_INODE,
"Renew Entry test of %p for SYMBOLIC_LINK elapsed time=%u, grace_period_attr=%s, grace_period_link=%s",
pentry, elapsed, grace, grace2);
break;
case SOCKET_FILE:
type = "SOCKET_FILE";
break;
case FIFO_FILE:
type = "FIFO_FILE";
break;
case DIRECTORY:
print = 0;
cache_inode_expire_to_str(pclient->expire_type_dirent, pclient->grace_period_dirent, grace2);
LogDebug(COMPONENT_CACHE_INODE,
"Renew Entry test of %p for DIRECTORY elapsed time=%u, grace_period_attr=%s, grace_period_dirent=%s, has_been_readdir=%u",
pentry, elapsed, grace, grace2,
pentry->object.dir.has_been_readdir);
break;
case FS_JUNCTION:
type = "FS_JUNCTION";
break;
case RECYCLED:
type = "RECYCLED";
break;
default:
type = "UNKNOWN";
break;
}
if(print)
{
LogDebug(COMPONENT_CACHE_INODE,
"Renew Entry test of %p for %s elapsed time=%u, grace_period_attr=%s",
pentry, type, elapsed, grace);
}
}
/* An entry that is a regular file with an associated File Content Entry won't
* expire until data exists in File Content Cache, to avoid attributes incoherency */
/* @todo: BUGAZOMEU: I got serious doubts on the following blocks: possible trouble if using data caching */
if(pentry->internal_md.type == REGULAR_FILE &&
pentry->object.file.pentry_content != NULL)
{
/* Successfull exit without having nothing to do ... */
LogDebug(COMPONENT_CACHE_INODE,
"Entry %p is a REGULAR_FILE with associated data cached %p, no expiration",
pentry, pentry->object.file.pentry_content);
*pstatus = CACHE_INODE_SUCCESS;
return *pstatus;
}
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry use getattr/mtime checking %d, is dir "
"beginning %d, has bit in mask %d, has been readdir %d state %d",
pclient->getattr_dir_invalidation,
pentry->internal_md.type == DIRECTORY,
(int) FSAL_TEST_MASK(pclient->attrmask, FSAL_ATTR_MTIME),
pentry->object.dir.has_been_readdir,
pentry->internal_md.valid_state);
/* Do we use getattr/mtime checking */
if(pclient->getattr_dir_invalidation &&
pentry->internal_md.type == DIRECTORY &&
FSAL_TEST_MASK(pclient->attrmask, FSAL_ATTR_MTIME) /*&&
pentry->object.dir.has_been_readdir == CACHE_INODE_YES*/)
{
/* This checking is to be done ... */
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry testing directory mtime");
pfsal_handle = &pentry->object.dir.handle;
/* Call FSAL to get the attributes */
object_attributes.asked_attributes = pclient->attrmask;
fsal_status = FSAL_getattrs(pfsal_handle, pcontext, &object_attributes);
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Stale FSAL File Handle detected for pentry = %p, line %u, fsal_status=(%u,%u)",
pentry, __LINE__, fsal_status.major, fsal_status.minor);
if(cache_inode_kill_entry(pentry, NO_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_RENEW_ENTRY])++;
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: returning %d (%s) from FSAL_getattrs for getattr/mtime checking",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Entry=%p, type=%d, Cached Time=%d, FSAL Time=%d",
pentry, pentry->internal_md.type,
pentry->object.dir.attributes.mtime.seconds,
object_attributes.mtime.seconds);
/* Compare the FSAL mtime and the cached mtime */
if(pentry->object.dir.attributes.mtime.seconds <
object_attributes.mtime.seconds)
{
/* Cached directory content is obsolete, it must be renewed */
cache_inode_set_attributes(pentry, &object_attributes);
/* Return the attributes as set */
if(pattr != NULL)
*pattr = object_attributes;
/* Set the directory content as "to be renewed" */
/* Next call to cache_inode_readdir will repopulate the dirent array */
pentry->object.dir.has_been_readdir = CACHE_INODE_RENEW_NEEDED;
/* Set the refresh time for the cache entry */
pentry->internal_md.refresh_time = time(NULL);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: cached directory content for entry %p must be renewed, due to getattr mismatch",
pentry);
if(cache_inode_invalidate_all_cached_dirent(pentry, ht, pclient, pstatus)
!= CACHE_INODE_SUCCESS)
{
/* Should never happen */
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_invalidate_all_cached_dirent returned %d (%s)",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
} /* if( pentry->object.dir.attributes.mtime < object_attributes.asked_attributes.mtime ) */
}
/* if( pclient->getattr_dir_invalidation && ... */
/* Check for dir content expiration and/or staleness */
if(pentry->internal_md.type == DIRECTORY &&
pclient->expire_type_dirent != CACHE_INODE_EXPIRE_NEVER &&
pentry->object.dir.has_been_readdir == CACHE_INODE_YES &&
((current_time - entry_time >= pclient->grace_period_dirent)
|| (pentry->internal_md.valid_state == STALE)))
{
/* Would be better if state was a flag that we could and/or the bits but
* in any case we need to get rid of stale so we only go through here
* once.
*/
if ( pentry->internal_md.valid_state == STALE )
pentry->internal_md.valid_state = VALID;
/* stats */
(pclient->stat.func_stats.nb_call[CACHE_INODE_RENEW_ENTRY])++;
/* Log */
LogDebug(COMPONENT_CACHE_INODE,
"Case 1: cached directory entries for entry %p must be renewed"
" (has been readdir)", pentry);
if(isFullDebug(COMPONENT_CACHE_INODE))
{
char name[1024];
struct avltree_node *d_node;
cache_inode_dir_entry_t *d_dirent;
int i = 0;
d_node = avltree_first(&pentry->object.dir.dentries);
do {
d_dirent = avltree_container_of(d_node, cache_inode_dir_entry_t,
node_n);
if (d_dirent->pentry->internal_md.valid_state == VALID) {
FSAL_name2str(&(d_dirent->name), name, 1023);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Entry %d %s",
i, name);
}
i++;
} while ((d_node = avltree_next(d_node)));
}
/* Do the getattr if it had not being done before */
if(pfsal_handle == NULL)
{
pfsal_handle = &pentry->object.dir.handle;
/* Call FSAL to get the attributes */
object_attributes.asked_attributes = pclient->attrmask;
fsal_status = FSAL_getattrs(pfsal_handle, pcontext, &object_attributes);
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_RENEW_ENTRY])++;
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Stale FSAL File Handle detected for pentry = %p, line %u, fsal_status=(%u,%u)",
pentry, __LINE__,fsal_status.major, fsal_status.minor );
if(cache_inode_kill_entry(pentry, NO_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry returning %d (%s) from FSAL_getattrs for directory entries (1)",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
}
cache_inode_set_attributes(pentry, &object_attributes);
/* Return the attributes as set */
if(pattr != NULL)
*pattr = object_attributes;
/* Set the directory content as "to be renewed" */
/* Next call to cache_inode_readdir will repopulate the dirent array */
pentry->object.dir.has_been_readdir = CACHE_INODE_RENEW_NEEDED;
/* Set the refresh time for the cache entry */
pentry->internal_md.refresh_time = time(NULL);
}
/* if( pentry->internal_md.type == DIRECTORY && ... */
/* if the directory has not been readdir, only update its attributes */
else if(pentry->internal_md.type == DIRECTORY &&
pclient->expire_type_attr != CACHE_INODE_EXPIRE_NEVER &&
pentry->object.dir.has_been_readdir != CACHE_INODE_YES &&
((current_time - entry_time >= pclient->grace_period_attr) || (pentry->internal_md.valid_state == STALE)))
{
/* Would be better if state was a flag that we could and/or the bits but
* in any case we need to get rid of stale so we only go through here
* once.
*/
if ( pentry->internal_md.valid_state == STALE )
pentry->internal_md.valid_state = VALID;
/* stats */
(pclient->stat.func_stats.nb_call[CACHE_INODE_RENEW_ENTRY])++;
/* Log */
LogDebug(COMPONENT_CACHE_INODE,
"Case 2: cached directory entries for entry %p must be renewed (has not been readdir)",
pentry);
if(isFullDebug(COMPONENT_CACHE_INODE))
{
char name[1024];
struct avltree_node *d_node;
cache_inode_dir_entry_t *d_dirent;
int i = 0;
d_node = avltree_first(&pentry->object.dir.dentries);
do {
d_dirent = avltree_container_of(d_node, cache_inode_dir_entry_t,
node_n);
if (d_dirent->pentry->internal_md.valid_state == VALID) {
FSAL_name2str(&(d_dirent->name), name, 1023);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Entry %d %s",
i, name);
}
i++;
} while ((d_node = avltree_next(d_node)));
}
pfsal_handle = &pentry->object.dir.handle;
/* Call FSAL to get the attributes */
object_attributes.asked_attributes = pclient->attrmask;
fsal_status = FSAL_getattrs(pfsal_handle, pcontext, &object_attributes);
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_RENEW_ENTRY])++;
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Stale FSAL File Handle detected for pentry = %p, line %u, fsal_status=(%u,%u)",
pentry, __LINE__,fsal_status.major, fsal_status.minor );
if(cache_inode_kill_entry(pentry, NO_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry returning %d (%s) from FSAL_getattrs for directory entries (2)",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
cache_inode_set_attributes(pentry, &object_attributes);
/* Return the attributes as set */
if(pattr != NULL)
*pattr = object_attributes;
/* Set the refresh time for the cache entry */
pentry->internal_md.refresh_time = time(NULL);
}
/* else if( pentry->internal_md.type == DIRECTORY && ... */
/* Check for attributes expiration in other cases */
else if(pentry->internal_md.type != DIRECTORY &&
pclient->expire_type_attr != CACHE_INODE_EXPIRE_NEVER &&
((current_time - entry_time >= pclient->grace_period_attr)
|| (pentry->internal_md.valid_state == STALE)))
{
/* Would be better if state was a flag that we could and/or the bits but
* in any case we need to get rid of stale so we only go through here
* once.
*/
if ( pentry->internal_md.valid_state == STALE )
pentry->internal_md.valid_state = VALID;
/* stats */
(pclient->stat.func_stats.nb_call[CACHE_INODE_RENEW_ENTRY])++;
/* Log */
LogDebug(COMPONENT_CACHE_INODE,
"Attributes for entry %p must be renewed", pentry);
switch (pentry->internal_md.type)
{
case REGULAR_FILE:
pfsal_handle = &pentry->object.file.handle;
break;
case SYMBOLIC_LINK:
assert(pentry->object.symlink);
pfsal_handle = &pentry->object.symlink->handle;
break;
case SOCKET_FILE:
case FIFO_FILE:
case CHARACTER_FILE:
case BLOCK_FILE:
pfsal_handle = &pentry->object.special_obj.handle;
break;
case DIRECTORY:
case FS_JUNCTION:
case UNASSIGNED:
case RECYCLED:
LogCrit(COMPONENT_CACHE_INODE,
"WARNING: unknown source pentry type: internal_md.type=%d, line %d in file %s",
pentry->internal_md.type, __LINE__, __FILE__);
*pstatus = CACHE_INODE_BAD_TYPE;
return *pstatus;
}
/* Call FSAL to get the attributes */
object_attributes.asked_attributes = pclient->attrmask;
#ifdef _USE_MFSL
fsal_status = FSAL_getattrs_descriptor(&(cache_inode_fd(pentry)->fsal_file), pfsal_handle, pcontext, &object_attributes);
#else
fsal_status = FSAL_getattrs_descriptor(cache_inode_fd(pentry), pfsal_handle, pcontext, &object_attributes);
#endif
if(FSAL_IS_ERROR(fsal_status) && fsal_status.major == ERR_FSAL_NOT_OPENED)
{
//TODO: LOOKATME !!!!!
fsal_status = FSAL_getattrs(pfsal_handle, pcontext, &object_attributes);
}
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
/* stats */
(pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_RENEW_ENTRY])++;
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Stale FSAL File Handle detected for pentry = %p, line %u, fsal_status=(%u,%u)",
pentry, __LINE__,fsal_status.major, fsal_status.minor );
if(cache_inode_kill_entry(pentry, NO_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry returning %d (%s) from FSAL_getattrs for non directories",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
}
/* Keep the new attribute in cache */
cache_inode_set_attributes(pentry, &object_attributes);
/* Return the attributes as set */
if(pattr != NULL)
*pattr = object_attributes;
/* Set the refresh time for the cache entry */
pentry->internal_md.refresh_time = time(NULL);
}
/* if( pentry->internal_md.type != DIR_CONTINUE && ... */
/* Check for link content expiration */
if(pentry->internal_md.type == SYMBOLIC_LINK &&
pclient->expire_type_link != CACHE_INODE_EXPIRE_NEVER &&
((current_time - entry_time >= pclient->grace_period_link)
|| (pentry->internal_md.valid_state == STALE)))
{
assert(pentry->object.symlink);
pfsal_handle = &pentry->object.symlink->handle;
/* Would be better if state was a flag that we could and/or the bits but
* in any case we need to get rid of stale so we only go through here
* once.
*/
if ( pentry->internal_md.valid_state == STALE )
pentry->internal_md.valid_state = VALID;
assert(pentry->object.symlink);
pfsal_handle = &pentry->object.symlink->handle;
/* Log */
LogDebug(COMPONENT_CACHE_INODE,
"cached link content for entry %p must be renewed", pentry);
FSAL_CLEAR_MASK(object_attributes.asked_attributes);
FSAL_SET_MASK(object_attributes.asked_attributes, pclient->attrmask);
if( CACHE_INODE_KEEP_CONTENT( pentry->policy ) )
{
#ifdef _USE_MFSL
fsal_status =
MFSL_readlink(&pentry->mobject, pcontext, &pclient->mfsl_context, &link_content,
&object_attributes, NULL);
#else
fsal_status =
FSAL_readlink(pfsal_handle, pcontext, &link_content, &object_attributes);
#endif
}
else
{
fsal_status.major = ERR_FSAL_NO_ERROR ;
fsal_status.minor = 0 ;
}
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_RENEW_ENTRY] += 1;
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Stale FSAL File Handle detected for pentry = %p, line %u, fsal_status=(%u,%u)",
pentry, __LINE__,fsal_status.major, fsal_status.minor );
if(cache_inode_kill_entry(pentry, NO_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_renew_entry: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
}
else
{
assert(pentry->object.symlink);
fsal_status = FSAL_pathcpy(&pentry->object.symlink->content, &link_content); /* copy ctor? */
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_RENEW_ENTRY] += 1;
}
}
/* Set the refresh time for the cache entry */
pentry->internal_md.refresh_time = time(NULL);
}
/* if( pentry->internal_md.type == SYMBOLIC_LINK && ... */
LogDebug(COMPONENT_CACHE_INODE, "cache_inode_renew_entry returning %d (%s)",
*pstatus, cache_inode_err_str(*pstatus));
return *pstatus;
} /* cache_inode_renew_entry */
/**
* FSAL_opendir :
* Opens a directory for reading its content.
*
* \param dir_handle (input)
* the handle of the directory to be opened.
* \param cred (input)
* Permission context for the operation (user,...).
* \param dir_descriptor (output)
* pointer to an allocated structure that will receive
* directory stream informations, on successfull completion.
* \param dir_attributes (optional output)
* On successfull completion,the structure pointed
* by dir_attributes receives the new directory attributes.
* May be NULL.
*
*/
fsal_status_t FSAL_opendir(fsal_handle_t * dir_handle, /* IN */
fsal_op_context_t * p_context, /* IN */
fsal_dir_t * dir_descriptor, /* OUT */
fsal_attrib_list_t * dir_attributes /* [ IN/OUT ] */
)
{
int rc;
dir_descriptor_t dir;
/* For logging */
SetFuncID(INDEX_FSAL_opendir);
/* sanity checks
* note : dir_attributes is optionnal.
*/
if(!dir_handle || !p_context || !dir_descriptor)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_opendir);
/* test access perms. For other FS than GHOST_FS,
* this is done by the FS itself.
*/
rc = GHOSTFS_Access((GHOSTFS_handle_t) (*dir_handle),
GHOSTFS_TEST_READ,
p_context->credential.user, p_context->credential.group);
if(rc)
Return(ghost2fsal_error(rc), rc, INDEX_FSAL_opendir);
rc = GHOSTFS_Opendir((GHOSTFS_handle_t) (*dir_handle), &dir);
if(rc)
Return(ghost2fsal_error(rc), rc, INDEX_FSAL_opendir);
/* building dir descriptor */
dir_descriptor->dir_descriptor = dir;
dir_descriptor->context = *p_context;
/* optionaly gets the directory attributes.
* If an error occures during getattr operation,
* it is returned, even though the opendir operation succeeded.
*/
if(dir_attributes)
{
fsal_status_t status;
switch ((status = FSAL_getattrs(dir_handle, p_context, dir_attributes)).major)
{
/* change the FAULT error to appears as an internal error.
* indeed, parameters should be null. */
case ERR_FSAL_FAULT:
Return(ERR_FSAL_SERVERFAULT, ERR_FSAL_FAULT, INDEX_FSAL_opendir);
break;
case ERR_FSAL_NO_ERROR:
/* continue */
break;
default:
Return(status.major, status.minor, INDEX_FSAL_opendir);
}
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_opendir);
}
/**
*
* MFSL_getattrs : performs getattr but takes care of the asynchronous logic.
*
* Performs getattr but takes care of the asynchronous logic.
*
* @param filehandle [IN] mfsl object related to the object
* @param p_context [IN] associated fsal context
* @param p_mfsl_context [INOUT] associated mfsl context
* @param object_attributes [INOUT] attributes for the object
*
* @return the same as FSAL_getattrs
*/
fsal_status_t MFSL_getattrs(mfsl_object_t * filehandle, /* IN */
fsal_op_context_t * p_context, /* IN */
mfsl_context_t * p_mfsl_context, /* IN */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
fsal_status_t fsal_status;
mfsl_object_specific_data_t *pasyncdata;
if(mfsl_async_get_specdata(filehandle, &pasyncdata))
{
P(filehandle->lock);
fsal_status = MFSAL_getattrs_check_perms(filehandle,
pasyncdata,
p_context,
p_mfsl_context, object_attributes);
V(filehandle->lock);
if(FSAL_IS_ERROR(fsal_status))
return fsal_status;
/* Is the object deleted ? */
if(pasyncdata->deleted == TRUE)
MFSL_return(ERR_FSAL_NOENT, ENOENT);
/* merge the attributes to the asynchronous attributes */
if((object_attributes->asked_attributes & FSAL_ATTR_SIZE) ||
(object_attributes->asked_attributes & FSAL_ATTR_SPACEUSED))
{
/* Operation on a non data cached file */
object_attributes->filesize = pasyncdata->async_attr.filesize;
object_attributes->spaceused = pasyncdata->async_attr.spaceused;
}
if(object_attributes->asked_attributes &
(FSAL_ATTR_MODE | FSAL_ATTR_OWNER | FSAL_ATTR_GROUP))
{
if(object_attributes->asked_attributes & FSAL_ATTR_MODE)
object_attributes->mode = pasyncdata->async_attr.mode;
if(object_attributes->asked_attributes & FSAL_ATTR_OWNER)
object_attributes->owner = pasyncdata->async_attr.owner;
if(object_attributes->asked_attributes & FSAL_ATTR_GROUP)
object_attributes->group = pasyncdata->async_attr.group;
}
if(object_attributes->asked_attributes & (FSAL_ATTR_ATIME | FSAL_ATTR_MTIME))
{
if(object_attributes->asked_attributes & FSAL_ATTR_ATIME)
object_attributes->atime = pasyncdata->async_attr.atime;
if(object_attributes->asked_attributes & FSAL_ATTR_MTIME)
object_attributes->mtime = pasyncdata->async_attr.mtime;
}
/* Regular exit */
MFSL_return(ERR_FSAL_NO_ERROR, 0);
}
else
{
return FSAL_getattrs(&filehandle->handle, p_context, object_attributes);
}
} /* MFSL_getattrs */
fsal_status_t FSAL_setattrs(fsal_handle_t * filehandle, /* IN */
fsal_op_context_t * p_context, /* IN */
fsal_attrib_list_t * attrib_set, /* IN */
fsal_attrib_list_t * object_attributes /* [ IN/OUT ] */
)
{
GHOSTFS_setattr_mask_t set_mask = 0;
GHOSTFS_Attrs_t ghost_attrs;
int rc;
memset(&ghost_attrs, 0, sizeof(GHOSTFS_Attrs_t));
/* For logging */
SetFuncID(INDEX_FSAL_setattrs);
#define SETTABLE_ATTRIBUTES ( FSAL_ATTR_SIZE |\
FSAL_ATTR_MODE |\
FSAL_ATTR_OWNER |\
FSAL_ATTR_GROUP |\
FSAL_ATTR_ATIME |\
FSAL_ATTR_MTIME )
/* sanity checks.
* note : object_attributes is optional.
*/
if(!filehandle || !p_context || !attrib_set)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_setattrs);
/* first convert attributes and mask */
if(FSAL_TEST_MASK(attrib_set->asked_attributes, FSAL_ATTR_SIZE))
{
set_mask |= SETATTR_SIZE;
ghost_attrs.size = attrib_set->filesize;
}
if(FSAL_TEST_MASK(attrib_set->asked_attributes, FSAL_ATTR_MODE))
{
set_mask |= SETATTR_MODE;
ghost_attrs.mode = fsal2ghost_mode(attrib_set->mode);
}
/* ghostfs does not check chown restrictions,
* so we check this for it. */
if(FSAL_TEST_MASK(attrib_set->asked_attributes, FSAL_ATTR_OWNER))
{
if(p_context->credential.user != 0)
Return(ERR_FSAL_PERM, 0, INDEX_FSAL_setattrs);
set_mask |= SETATTR_UID;
ghost_attrs.uid = attrib_set->owner;
}
if(FSAL_TEST_MASK(attrib_set->asked_attributes, FSAL_ATTR_GROUP))
{
if(p_context->credential.user != 0)
Return(ERR_FSAL_PERM, 0, INDEX_FSAL_setattrs);
set_mask |= SETATTR_GID;
ghost_attrs.gid = attrib_set->group;
}
if(FSAL_TEST_MASK(attrib_set->asked_attributes, FSAL_ATTR_ATIME))
{
set_mask |= SETATTR_ATIME;
ghost_attrs.atime = attrib_set->atime.seconds;
}
if(FSAL_TEST_MASK(attrib_set->asked_attributes, FSAL_ATTR_MTIME))
{
set_mask |= SETATTR_MTIME;
ghost_attrs.mtime = attrib_set->mtime.seconds;
}
if(attrib_set->asked_attributes & ~SETTABLE_ATTRIBUTES)
{
LogFullDebug(COMPONENT_FSAL, "FSAL: To be set %llX, Settable %llX",
(unsigned long long)object_attributes->asked_attributes,
(unsigned long long)SETTABLE_ATTRIBUTES);
Return(ERR_FSAL_ATTRNOTSUPP, 0, INDEX_FSAL_setattrs);
}
/* appel a setattr */
rc = GHOSTFS_SetAttrs((GHOSTFS_handle_t) (*filehandle), set_mask, ghost_attrs);
if(rc)
Return(ghost2fsal_error(rc), rc, INDEX_FSAL_setattrs);
if(object_attributes)
{
fsal_status_t status = FSAL_getattrs(filehandle, p_context, object_attributes);
/* on error, we set a special bit in the mask. */
if(FSAL_IS_ERROR(status))
{
FSAL_CLEAR_MASK(object_attributes->asked_attributes);
FSAL_SET_MASK(object_attributes->asked_attributes, FSAL_ATTR_RDATTR_ERR);
}
}
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_setattrs);
}
/**
*
* @brief Gets an entry by using its fsdata as a key and caches it if needed.
*
* Gets an entry by using its fsdata as a key and caches it if needed.
*
* If a cache entry is returned, its refcount is incremented by one.
*
* It turns out we do need cache_inode_get_located functionality for
* cases like lookupp on an entry returning itself when it isn't a
* root. Therefore, if the 'associated' parameter is equal to the got
* cache entry, a reference count is incremented but the structure
* pointed to by attr is NOT filled in.
*
* @param[in] fsdata File system data
* @param[out] attr The attributes of the got entry
* @param[in] context FSAL credentials
* @param[in] associated Entry that may be equal to the got entry
* @param[out] status Returned status
*
* @return If successful, the pointer to the entry; NULL otherwise
*
*/
cache_entry_t *
cache_inode_get(cache_inode_fsal_data_t *fsdata,
fsal_attrib_list_t *attr,
fsal_op_context_t *context,
cache_entry_t *associated,
cache_inode_status_t *status)
{
hash_buffer_t key, value;
cache_entry_t *entry = NULL;
fsal_status_t fsal_status = {0, 0};
cache_inode_create_arg_t create_arg = {
.newly_created_dir = FALSE
};
cache_inode_file_type_t type = UNASSIGNED;
hash_error_t hrc = 0;
fsal_attrib_list_t fsal_attributes;
fsal_handle_t *file_handle;
struct hash_latch latch;
/* Set the return default to CACHE_INODE_SUCCESS */
*status = CACHE_INODE_SUCCESS;
/* Turn the input to a hash key on our own.
*/
key.pdata = fsdata->fh_desc.start;
key.len = fsdata->fh_desc.len;
hrc = HashTable_GetLatch(fh_to_cache_entry_ht, &key, &value,
FALSE,
&latch);
if ((hrc != HASHTABLE_SUCCESS) &&
(hrc != HASHTABLE_ERROR_NO_SUCH_KEY)) {
/* This should not happened */
*status = CACHE_INODE_HASH_TABLE_ERROR;
LogCrit(COMPONENT_CACHE_INODE,
"Hash access failed with code %d"
" - this should not have happened",
hrc);
return NULL;
}
if (hrc == HASHTABLE_SUCCESS) {
/* Entry exists in the cache and was found */
entry = value.pdata;
/* take an extra reference within the critical section */
if (cache_inode_lru_ref(entry, LRU_REQ_INITIAL) !=
CACHE_INODE_SUCCESS) {
/* Dead entry. Treat like a lookup failure. */
entry = NULL;
} else {
if (entry == associated) {
/* Take a quick exit so we don't invert lock
ordering. */
HashTable_ReleaseLatched(fh_to_cache_entry_ht, &latch);
return entry;
}
}
}
HashTable_ReleaseLatched(fh_to_cache_entry_ht, &latch);
if (!context) {
/* Upcalls have no access to fsal_op_context_t,
so just return the entry without revalidating it or
creating a new one. */
if (entry == NULL) {
*status = CACHE_INODE_NOT_FOUND;
}
return entry;
}
if (!entry) {
/* Cache miss, allocate a new entry */
file_handle = (fsal_handle_t *) fsdata->fh_desc.start;
/* First, call FSAL to know what the object is */
fsal_attributes.asked_attributes = cache_inode_params.attrmask;
fsal_status
= FSAL_getattrs(file_handle, context, &fsal_attributes);
if (FSAL_IS_ERROR(fsal_status)) {
*status = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_get: cache_inode_status=%u "
"fsal_status=%u,%u ", *status,
fsal_status.major,
fsal_status.minor);
return NULL;
}
/* The type has to be set in the attributes */
if (!FSAL_TEST_MASK(fsal_attributes.supported_attributes,
FSAL_ATTR_TYPE)) {
*status = CACHE_INODE_FSAL_ERROR;
return NULL;
}
/* Get the cache_inode file type */
type = cache_inode_fsal_type_convert(fsal_attributes.type);
if (type == SYMBOLIC_LINK) {
fsal_attributes.asked_attributes = cache_inode_params.attrmask;
fsal_status =
FSAL_readlink(file_handle, context,
&create_arg.link_content,
&fsal_attributes);
if (FSAL_IS_ERROR(fsal_status)) {
*status = cache_inode_error_convert(fsal_status);
return NULL;
}
}
if ((entry
= cache_inode_new_entry(fsdata,
&fsal_attributes,
type,
&create_arg,
status)) == NULL) {
return NULL;
}
}
*status = CACHE_INODE_SUCCESS;
/* This is the replacement for cache_inode_renew_entry. Rather
than calling that function at the start of every cache_inode
call with the inode locked, we call cache_inode_check trust to
perform 'heavyweight' (timed expiration of cached attributes,
getattr-based directory trust) checks the first time after
getting an inode. It does all of the checks read-locked and
only acquires a write lock if there's something requiring a
change.
There is a second light-weight check done before use of cached
data that checks whether the bits saying that inode attributes
or inode content are trustworthy have been cleared by, for
example, FSAL_CB.
To summarize, the current implementation is that policy-based
trust of validity is checked once per logical series of
operations at cache_inode_get, and asynchronous trust is
checked with use (when the attributes are locked for reading,
for example.) */
if ((*status = cache_inode_check_trust(entry,
context))
!= CACHE_INODE_SUCCESS) {
goto out_put;
}
/* Set the returned attributes */
*status = cache_inode_lock_trust_attrs(entry, context);
/* cache_inode_lock_trust_attrs may fail, in that case, the
attributes are wrong and pthread_rwlock_unlock can't be called
again */
if(*status != CACHE_INODE_SUCCESS)
{
goto out_put;
}
*attr = entry->attributes;
pthread_rwlock_unlock(&entry->attr_lock);
return entry;
out_put:
cache_inode_put(entry);
entry = NULL;
return entry;
} /* cache_inode_get */
/**
*
* cache_inode_getattr: Gets the attributes for a cached entry.
*
* Gets the attributes for a cached entry. The FSAL attributes are kept in a structure when the entry
* is added to the cache.
*
* @param pentry [IN] entry to be managed.
* @param pattr [OUT] pointer to the results
* @param ht [IN] hash table used for the cache, unused in this call.
* @param pclient [INOUT] ressource allocated by the client for the nfs management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
*
* @return CACHE_INODE_SUCCESS if operation is a success \n
* @return CACHE_INODE_LRU_ERROR if allocation error occured when validating the entry
*
*/
cache_inode_status_t
cache_inode_getattr(cache_entry_t * pentry,
fsal_attrib_list_t * pattr,
hash_table_t * ht, /* Unused, kept for protototype's homogeneity */
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
cache_inode_status_t status;
fsal_handle_t *pfsal_handle;
fsal_status_t fsal_status;
/* sanity check */
if(pentry == NULL || pattr == NULL ||
ht == NULL || pclient == NULL || pcontext == NULL)
{
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
return *pstatus;
}
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* stats */
pclient->stat.nb_call_total += 1;
inc_func_call(pclient, CACHE_INODE_GETATTR);
/* Lock the entry */
P_w(&pentry->lock);
status = cache_inode_renew_entry(pentry, pattr, ht,
pclient, pcontext, pstatus);
if(status != CACHE_INODE_SUCCESS)
{
V_w(&pentry->lock);
inc_func_err_retryable(pclient, CACHE_INODE_GETATTR);
return *pstatus;
}
/* RW Lock goes for writer to reader */
rw_lock_downgrade(&pentry->lock);
cache_inode_get_attributes(pentry, pattr);
if(FSAL_TEST_MASK(pattr->asked_attributes,
FSAL_ATTR_RDATTR_ERR))
{
switch (pentry->internal_md.type)
{
case REGULAR_FILE:
pfsal_handle = &pentry->object.file.handle;
break;
case SYMBOLIC_LINK:
pfsal_handle = &pentry->object.symlink.handle;
break;
case DIR_BEGINNING:
pfsal_handle = &pentry->object.dir_begin.handle;
break;
case DIR_CONTINUE:
/*
* lock the related dir_begin (dir begin are garbagge
* collected AFTER their related dir_cont)
* this means that if a DIR_CONTINUE exists,
* its pdir pointer is not endless
*/
P_r(&pentry->object.dir_cont.pdir_begin->lock);
pfsal_handle = &pentry->object.dir_cont.pdir_begin->object.dir_begin.handle;
V_r(&pentry->object.dir_cont.pdir_begin->lock);
break;
case SOCKET_FILE:
case FIFO_FILE:
case BLOCK_FILE:
case CHARACTER_FILE:
pfsal_handle = &pentry->object.special_obj.handle;
break;
}
/*
* An error occured when trying to get
* the attributes, they have to be renewed
*/
fsal_status = FSAL_getattrs(pfsal_handle, pcontext, pattr);
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
V_r(&pentry->lock);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogDebug(COMPONENT_CACHE_INODE_GC,
"cache_inode_getattr: Stale FSAL File "
"Handle detected for pentry = %p",
pentry);
cache_inode_kill_entry(pentry, ht,
pclient, &kill_status);
if(kill_status != CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE_GC,
"cache_inode_getattr: Could not kill "
"entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
/* stat */
inc_func_err_unrecover(pclient, CACHE_INODE_GETATTR);
return *pstatus;
}
/* Set the new attributes */
cache_inode_set_attributes(pentry, pattr);
}
*pstatus = cache_inode_valid(pentry, CACHE_INODE_OP_GET, pclient);
V_r(&pentry->lock);
/* stat */
if(*pstatus != CACHE_INODE_SUCCESS)
inc_func_err_retryable(pclient, CACHE_INODE_GETATTR);
else
inc_func_success(pclient, CACHE_INODE_GETATTR);
return *pstatus;
}
cache_entry_t *cache_inode_get_located(cache_inode_fsal_data_t * pfsdata,
cache_entry_t * plocation,
cache_inode_policy_t policy,
fsal_attrib_list_t * pattr,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
hash_buffer_t key, value;
cache_entry_t *pentry = NULL;
fsal_status_t fsal_status;
cache_inode_create_arg_t create_arg;
cache_inode_file_type_t type;
int hrc = 0;
fsal_attrib_list_t fsal_attributes;
cache_inode_fsal_data_t *ppoolfsdata = NULL;
memset(&create_arg, 0, sizeof(create_arg));
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* stats */
/* cache_invalidate calls this with no context or client */
if (pclient) {
pclient->stat.nb_call_total += 1;
pclient->stat.func_stats.nb_call[CACHE_INODE_GET] += 1;
}
/* Turn the input to a hash key */
if(cache_inode_fsaldata_2_key(&key, pfsdata, pclient))
{
*pstatus = CACHE_INODE_UNAPPROPRIATED_KEY;
/* stats */
/* cache_invalidate calls this with no context or client */
if (pclient) {
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
ppoolfsdata = (cache_inode_fsal_data_t *) key.pdata;
ReleaseToPool(ppoolfsdata, &pclient->pool_key);
}
return NULL;
}
switch (hrc = HashTable_Get(ht, &key, &value))
{
case HASHTABLE_SUCCESS:
/* Entry exists in the cache and was found */
pentry = (cache_entry_t *) value.pdata;
/* return attributes additionally */
*pattr = pentry->attributes;
if ( !pclient ) {
/* invalidate. Just return it to mark it stale and go on. */
return( pentry );
}
break;
case HASHTABLE_ERROR_NO_SUCH_KEY:
if ( !pclient ) {
/* invalidate. Just return */
return( NULL );
}
/* Cache miss, allocate a new entry */
/* XXX I do not think this can happen with avl dirent cache */
if(pfsdata->cookie != DIR_START)
{
/* added for sanity check */
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_get: pfsdata->cookie != DIR_START (=%"PRIu64") on object whose type is %u",
pfsdata->cookie,
cache_inode_fsal_type_convert(fsal_attributes.type));
pfsdata->cookie = DIR_START;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
/* redo the call */
return cache_inode_get(pfsdata, policy, pattr, ht, pclient, pcontext, pstatus);
}
/* First, call FSAL to know what the object is */
fsal_attributes.asked_attributes = pclient->attrmask;
fsal_status = FSAL_getattrs(&pfsdata->handle, pcontext, &fsal_attributes);
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE,
"cache_inode_get: cache_inode_status=%u fsal_status=%u,%u ",
*pstatus, fsal_status.major, fsal_status.minor);
if(fsal_status.major == ERR_FSAL_STALE)
{
char handle_str[256];
snprintHandle(handle_str, 256, &pfsdata->handle);
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_get: Stale FSAL File Handle %s, fsal_status=(%u,%u)",
handle_str, fsal_status.major, fsal_status.minor);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
}
/* The type has to be set in the attributes */
if(!FSAL_TEST_MASK(fsal_attributes.supported_attributes, FSAL_ATTR_TYPE))
{
*pstatus = CACHE_INODE_FSAL_ERROR;
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
}
/* Get the cache_inode file type */
type = cache_inode_fsal_type_convert(fsal_attributes.type);
if(type == SYMBOLIC_LINK)
{
if( CACHE_INODE_KEEP_CONTENT( policy ) )
{
FSAL_CLEAR_MASK(fsal_attributes.asked_attributes);
FSAL_SET_MASK(fsal_attributes.asked_attributes, pclient->attrmask);
fsal_status =
FSAL_readlink(&pfsdata->handle, pcontext, &create_arg.link_content,
&fsal_attributes);
}
else
{
fsal_status.major = ERR_FSAL_NO_ERROR ;
fsal_status.minor = 0 ;
}
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogEvent(COMPONENT_CACHE_INODE,
"cache_inode_get: Stale FSAL File Handle detected for pentry = %p, fsal_status=(%u,%u)",
pentry, fsal_status.major, fsal_status.minor);
if(cache_inode_kill_entry(pentry, NO_LOCK, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_get: Could not kill entry %p, status = %u, fsal_status=(%u,%u)",
pentry, kill_status, fsal_status.major, fsal_status.minor);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
return NULL;
}
}
/* Add the entry to the cache */
if ( type == 1)
LogCrit(COMPONENT_CACHE_INODE,"inode get");
if((pentry = cache_inode_new_entry( pfsdata,
&fsal_attributes,
type,
policy,
&create_arg,
NULL, /* never used to add a new DIR_CONTINUE within this function */
ht,
pclient,
pcontext,
FALSE, /* This is a population, not a creation */
pstatus ) ) == NULL )
{
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
}
/* Set the returned attributes */
*pattr = fsal_attributes;
/* Now, exit the switch/case and returns */
break;
default:
/* This should not happened */
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
LogCrit(COMPONENT_CACHE_INODE,
"cache_inode_get returning CACHE_INODE_INVALID_ARGUMENT - this should not have happened");
if ( !pclient ) {
/* invalidate. Just return */
return( NULL );
}
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
break;
}
/* Want to ASSERT pclient at this point */
*pstatus = CACHE_INODE_SUCCESS;
if (pentry->object.symlink != NULL) {
int stop_here;
stop_here = 1;
if (stop_here) {
stop_here = 2;
}
}
/* valid the found entry, if this is not feasable, returns nothing to the client */
if( plocation != NULL )
{
if( plocation != pentry )
{
P_w(&pentry->lock);
if((*pstatus =
cache_inode_valid(pentry, CACHE_INODE_OP_GET, pclient)) != CACHE_INODE_SUCCESS)
{
V_w(&pentry->lock);
pentry = NULL;
}
V_w(&pentry->lock);
}
}
/* stats */
pclient->stat.func_stats.nb_success[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return pentry;
} /* cache_inode_get_located */
/**
* Retrieves the list of extended attributes for an object in the filesystem.
*
* \param p_objecthandle Handle of the object we want to get extended attributes.
* \param cookie index of the next entry to be returned.
* \param p_context pointer to the current security context.
* \param xattrs_tab a table for storing extended attributes list to.
* \param xattrs_tabsize the maximum number of xattr entries that xattrs_tab
* can contain.
* \param p_nb_returned the number of xattr entries actually stored in xattrs_tab.
* \param end_of_list this boolean indicates that the end of xattrs list has been reached.
*/
fsal_status_t dpmfsal_ListXAttrs(fsal_handle_t * p_objecthandle, // IN
unsigned int cookie, // IN
fsal_op_context_t * p_context, // IN
fsal_xattrent_t * xattrs_tab, // IN/OUT
unsigned int xattrs_tabsize, // IN
unsigned int *p_nb_returned, // OUT
int *end_of_list // OUT
)
{
unsigned int index;
unsigned int out_index;
fsal_status_t st;
fsal_attrib_list_t file_attrs;
LogInfo(COMPONENT_FSAL, "dpmfsal_ListXAttrs: start");
/* sanity checks */
if (!p_objecthandle || !p_context || !xattrs_tab || !p_nb_returned || !end_of_list)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_ListXAttrs);
/* object attributes we want to retrieve from parent */
file_attrs.asked_attributes = FSAL_ATTR_MODE | FSAL_ATTR_FILEID
| FSAL_ATTR_OWNER | FSAL_ATTR_GROUP | FSAL_ATTR_ATIME
| FSAL_ATTR_MTIME | FSAL_ATTR_CTIME | FSAL_ATTR_CREATION
| FSAL_ATTR_CHGTIME | FSAL_ATTR_FSID;
/* don't retrieve unsupported attributes */
file_attrs.asked_attributes &= global_fs_info.supported_attrs;
st = FSAL_getattrs(p_objecthandle, p_context, &file_attrs);
if (FSAL_IS_ERROR(st))
Return(st.major, st.minor, INDEX_FSAL_ListXAttrs);
for (index = cookie, out_index = 0; index < XATTR_COUNT && out_index
< xattrs_tabsize; index++) {
if (do_match_type(xattr_list[index].flags,
p_objecthandle->data.ntype)) {
/* fills an xattr entry */
xattrs_tab[out_index].xattr_id = index;
FSAL_str2name(xattr_list[index].xattr_name, FSAL_MAX_NAME_LEN,
&xattrs_tab[out_index].xattr_name);
xattrs_tab[out_index].xattr_cookie = index + 1;
/* set asked attributes (all supported) */
xattrs_tab[out_index].attributes.asked_attributes
= global_fs_info.supported_attrs;
if (file_attributes_to_xattr_attrs(&file_attrs,
&xattrs_tab[out_index].attributes, index)) {
/* set error flag */
xattrs_tab[out_index].attributes.asked_attributes
= FSAL_ATTR_RDATTR_ERR;
}
/* next output slot */
out_index++;
}
}
*p_nb_returned = out_index;
*end_of_list = (index == XATTR_COUNT);
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_ListXAttrs);
}
fsal_status_t FSAL_readdir(fsal_dir_t * dir_descriptor, /* IN */
fsal_cookie_t start_position, /* IN */
fsal_attrib_mask_t get_attr_mask, /* IN */
fsal_mdsize_t buffersize, /* IN */
fsal_dirent_t * pdirent, /* OUT */
fsal_cookie_t * end_position, /* OUT */
fsal_count_t * nb_entries, /* OUT */
fsal_boolean_t * end_of_dir /* OUT */
)
{
int rc;
unsigned int max_entries;
fsal_dirent_t *curr_ent;
fsal_dirent_t *last_ent;
GHOSTFS_cookie_t last_cookie;
GHOSTFS_dirent_t entry;
fsal_status_t status;
/* For logging */
SetFuncID(INDEX_FSAL_readdir);
/* sanity checks */
if(!dir_descriptor || !pdirent || !end_position || !nb_entries || !end_of_dir)
Return(ERR_FSAL_FAULT, 0, INDEX_FSAL_readdir);
/* seeking directory position */
rc = GHOSTFS_Seekdir(&(dir_descriptor->dir_descriptor), start_position.cookie);
if(rc)
Return(ghost2fsal_error(rc), rc, INDEX_FSAL_readdir);
/* how many entries can we get ? */
if(buffersize < sizeof(fsal_dirent_t))
Return(ERR_FSAL_TOOSMALL, 0, INDEX_FSAL_readdir);
max_entries = buffersize / sizeof(fsal_dirent_t);
/* initialize output values */
*nb_entries = 0;
*end_of_dir = FALSE;
curr_ent = pdirent;
last_ent = NULL;
last_cookie = start_position.cookie;
/* retrieving entries */
while(*nb_entries < max_entries)
{
/* processing a readdir */
rc = GHOSTFS_Readdir(&(dir_descriptor->dir_descriptor), &entry);
if(rc == ERR_GHOSTFS_ENDOFDIR)
{
/* updates ouputs and return */
if(last_ent)
last_ent->nextentry = NULL;
(*end_of_dir) = TRUE;
end_position->cookie = last_cookie;
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_readdir);
}
else if(rc != 0)
{
Return(ghost2fsal_error(rc), rc, INDEX_FSAL_readdir);
}
/* we have just read an entry */
if(last_ent)
last_ent->nextentry = curr_ent;
curr_ent->handle = (fsal_handle_t) entry.handle;
strncpy(curr_ent->name.name, entry.name, FSAL_MAX_NAME_LEN);
curr_ent->name.len = strlen(curr_ent->name.name);
curr_ent->cookie.cookie = entry.cookie;
/* getting attributes
* If an error occures during getattr operation,
* it is returned, even though the readdir operation succeeded.
*/
curr_ent->attributes.asked_attributes = get_attr_mask;
switch ((status = FSAL_getattrs(&curr_ent->handle,
&dir_descriptor->context,
&curr_ent->attributes)).major)
{
/* change the FAULT error to appears as an internal error.
* indeed, parameters should not be null. */
case ERR_FSAL_FAULT:
Return(ERR_FSAL_SERVERFAULT, ERR_FSAL_FAULT, INDEX_FSAL_readdir);
break;
case ERR_FSAL_NO_ERROR:
/* ok, continue */
break;
default:
Return(status.major, status.minor, INDEX_FSAL_readdir);
}
last_cookie = entry.cookie; /* the cookie for the current entry */
last_ent = curr_ent; /* remembers last entry */
curr_ent++; /* the next entry to be filled */
(*nb_entries)++; /* numbers of entries we've read */
}
/* update outputs and return */
end_position->cookie = last_cookie;
if(last_ent)
last_ent->nextentry = NULL;
Return(ERR_FSAL_NO_ERROR, 0, INDEX_FSAL_readdir);
}
int main(int argc, char **argv)
{
char localmachine[256];
char *test;
fsal_parameter_t init_param;
fsal_status_t st;
uid_t uid;
hpssfsal_export_context_t export_ctx;
hpssfsal_op_context_t op_ctx;
hpssfsal_handle_t root_handle, handle;
fsal_name_t name;
fsal_path_t path;
fsal_attrib_list_t attribs;
fsal_attrib_mask_t mask;
char tracebuff[256];
if(argc < 2)
{
usage();
exit(-1);
}
test = argv[1];
/* retrieving params */
/* init debug */
SetDefaultLogging("TEST");
SetNamePgm("test_fsal");
SetNameFunction("main");
InitLogging();
/* Obtention du nom de la machine */
if(gethostname(localmachine, sizeof(localmachine)) != 0)
{
LogError(COMPONENT_STDOUT,ERR_SYS, ERR_GETHOSTNAME, errno);
exit(1);
}
else
SetNameHost(localmachine);
AddFamilyError(ERR_FSAL, "FSAL related Errors", tab_errstatus_FSAL);
/* prepare fsal_init */
/* 1 - fs specific info */
#if HPSS_MAJOR_VERSION == 5
init_param.fs_specific_info.behaviors.PrincipalName = FSAL_INIT_FORCE_VALUE;
strcpy(init_param.fs_specific_info.hpss_config.PrincipalName, "hpss_nfs");
init_param.fs_specific_info.behaviors.KeytabPath = FSAL_INIT_FORCE_VALUE;
strcpy(init_param.fs_specific_info.hpss_config.KeytabPath, "/krb5/hpssserver.keytab");
#else
init_param.fs_specific_info.behaviors.AuthnMech = FSAL_INIT_FORCE_VALUE;
init_param.fs_specific_info.hpss_config.AuthnMech = hpss_authn_mech_krb5;
init_param.fs_specific_info.behaviors.Principal = FSAL_INIT_FORCE_VALUE;
strcpy(init_param.fs_specific_info.Principal, "hpssfs");
init_param.fs_specific_info.behaviors.KeytabPath = FSAL_INIT_FORCE_VALUE;
strcpy(init_param.fs_specific_info.KeytabPath, "/var/hpss/etc/hpss.keytab");
#endif
/* 2-common info (default) */
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, maxfilesize);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, maxlink);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, maxnamelen);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, maxpathlen);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, no_trunc);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, chown_restricted);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, case_insensitive);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, case_preserving);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, fh_expire_type);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, link_support);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, symlink_support);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, named_attr);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, unique_handles);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, lease_time);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, acl_support);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, cansettime);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, homogenous);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, supported_attrs);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, maxread);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, maxwrite);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, umask);
FSAL_SET_INIT_DEFAULT(init_param.fs_common_info, auth_exportpath_xdev);
/* 3- fsal info */
init_param.fsal_info.max_fs_calls = 0;
/* Init */
if(FSAL_IS_ERROR(st = FSAL_Init(&init_param)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
/* getting creds */
uid = getuid();
LogTest("uid = %d", uid);
st = FSAL_BuildExportContext(&export_ctx, NULL, NULL);
if(FSAL_IS_ERROR(st))
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
st = FSAL_InitClientContext(&op_ctx);
if(FSAL_IS_ERROR(st))
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
st = FSAL_GetClientContext(&op_ctx, &export_ctx, uid, -1, NULL, 0);
if(FSAL_IS_ERROR(st))
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
/* getting root handle */
if(FSAL_IS_ERROR(st = FSAL_lookup(NULL, NULL, &op_ctx, &root_handle, NULL)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &root_handle);
LogTest("Root handle = %s", tracebuff);
/* getting what are the supported attributes */
attribs.asked_attributes = 0;
FSAL_SET_MASK(attribs.asked_attributes, FSAL_ATTR_SUPPATTR);
LogTest("asked attributes :");
printmask(attribs.asked_attributes);
if(FSAL_IS_ERROR(st = FSAL_getattrs(&root_handle, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
LogTest("supported attributes :");
printmask(attribs.supported_attributes);
mask = attribs.supported_attributes;
/* TEST 1 */
if(test[0] == '1')
{
attribs.asked_attributes = 0;
FSAL_SET_MASK(attribs.asked_attributes, FSAL_ATTR_SUPPATTR);
LogTest("asked attributes :");
printmask(attribs.asked_attributes);
if(FSAL_IS_ERROR(st = FSAL_getattrs(&root_handle, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
LogTest("supported attributes :");
/* getting all spported attributes of root */
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_getattrs(&root_handle, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
printattributes(attribs);
}
else
/* TEST 2 */
if(test[0] == '2')
{
/* getting handle and attributes for subdirectory "OSF1_V5" */
if(FSAL_IS_ERROR(st = FSAL_str2name("cea", 4, &name)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookup(&root_handle, &name, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea handle = %s", tracebuff);
/* displaying attributes */
printattributes(attribs);
/* getting handle and attributes for subdirectory "bin" */
if(FSAL_IS_ERROR(st = FSAL_str2name("prot", 5, &name)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
root_handle = handle;
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookup(&root_handle, &name, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea/prot handle = %s", tracebuff);
/* displaying attributes */
printattributes(attribs);
/* getting handle and attributes for symlink "AglaePwrSW" */
if(FSAL_IS_ERROR(st = FSAL_str2name("lama", 5, &name)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
root_handle = handle;
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookup(&root_handle, &name, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea/prot/lama handle = %s", tracebuff);
/* displaying attributes */
printattributes(attribs);
}
else
/* TEST 3 */
if(test[0] == '3')
{
/* lookup root */
if(FSAL_IS_ERROR(st = FSAL_str2path("/", 30, &path)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookupPath(&path, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/ handle = %s", tracebuff);
/* displaying attributes */
printattributes(attribs);
/* lookup path */
if(FSAL_IS_ERROR(st = FSAL_str2path("/cea/prot/lama", 15, &path)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookupPath(&path, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea/prot/lama handle = %s", tracebuff);
/* displaying attributes */
printattributes(attribs);
}
else
/* TEST 4 */
if(test[0] == '4')
{
/* readdir on root */
hpssfsal_dir_t dir;
hpssfsal_cookie_t from, to;
fsal_dirent_t entries[READDIR_SIZE];
fsal_count_t number;
fsal_boolean_t eod = FALSE;
int error = FALSE;
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_opendir(&root_handle, &op_ctx, &dir, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
LogTest("'/' attributes :");
/* displaying attributes */
printattributes(attribs);
from = FSAL_READDIR_FROM_BEGINNING;
while(!error && !eod)
{
unsigned int i;
char cookiebuff[256];
snprintCookie(cookiebuff, 256, &from);
LogTest("\nReaddir cookie = %s", cookiebuff);
if(FSAL_IS_ERROR(st = FSAL_readdir(&dir, from,
mask, READDIR_SIZE * sizeof(fsal_dirent_t),
entries, &to, &number, &eod)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
error = TRUE;
}
for(i = 0; (!error) && (i < number); i++)
{
snprintHandle(tracebuff, 256, &entries[i].handle);
snprintCookie(cookiebuff, 256, &entries[i].cookie);
LogTest("\t%s : %s (cookie %s)", tracebuff,
entries[i].name.name, cookiebuff);
}
/* preparing next call */
from = to;
}
LogTest("Fin de boucle : error=%d ; eod=%d", error, eod);
}
else
/* TEST 5 */
if(test[0] == '5')
{
/* readdir on root */
hpssfsal_dir_t dir;
hpssfsal_cookie_t from, to;
fsal_dirent_t entries[READDIR_SIZE];
fsal_count_t number;
fsal_boolean_t eod = FALSE;
int error = FALSE;
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_opendir(&root_handle, &op_ctx, &dir, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
LogTest("'/' attributes :");
/* displaying attributes */
printattributes(attribs);
from = FSAL_READDIR_FROM_BEGINNING;
while(!error && !eod)
{
fsal_dirent_t *curr;
char cookiebuff[256];
snprintCookie(cookiebuff, 256, &from);
LogTest("\nReaddir cookie = %s", cookiebuff);
if(FSAL_IS_ERROR(st = FSAL_readdir(&dir, from,
mask, READDIR_SIZE * sizeof(fsal_dirent_t),
entries, &to, &number, &eod)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
error = TRUE;
}
if(number > 0)
{
curr = entries;
do
{
snprintHandle(tracebuff, 256, &curr->handle);
snprintCookie(cookiebuff, 256, &curr->cookie);
LogTest("\t%s : %s (cookie %s)", tracebuff,
curr->name.name, cookiebuff);
}
while(curr = curr->nextentry);
}
/* preparing next call */
from = to;
}
LogTest("Fin de boucle : error=%d ; eod=%d", error, eod);
}
else
/* TEST 6 */
if(test[0] == '6')
{
/* readdir on root */
hpssfsal_dir_t dir;
hpssfsal_cookie_t from, to;
fsal_dirent_t entries[READDIR_SIZE];
fsal_count_t number;
fsal_boolean_t eod = FALSE;
int error = FALSE;
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_opendir(&root_handle, &op_ctx, &dir, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
LogTest("'/' attributes :");
/* displaying attributes */
printattributes(attribs);
from = FSAL_READDIR_FROM_BEGINNING;
while(!error && !eod)
{
unsigned int i;
snprintCookie(tracebuff, 256, &from);
LogTest("\nReaddir cookie = %s", tracebuff);
st = FSAL_readdir(&dir, from, mask,
READDIR_SIZE * sizeof(fsal_dirent_t),
entries, &to, &number, &eod);
if(FSAL_IS_ERROR(st))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
error = TRUE;
}
/* for each entry, we compare the result of FSAL_access
* to FSAL_test_access. */
for(i = 0; (!error) && (i < number); i++)
{
fsal_status_t st1, st2;
char cookiebuff[256];
snprintHandle(tracebuff, 256, &entries[i].handle);
snprintCookie(cookiebuff, 256, &entries[i].cookie);
LogTest("\t%s : %s (cookie %s)", tracebuff,
entries[i].name.name, cookiebuff);
if(FSAL_IS_ERROR(st = FSAL_getattrs(&entries[i].handle, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
/* 1 - test R access */
st1 = FSAL_access(&entries[i].handle, &op_ctx, FSAL_R_OK, NULL);
st2 = FSAL_test_access(&op_ctx, FSAL_R_OK, &attribs);
LogError(COMPONENT_STDOUT, ERR_FSAL, st1.major, st1.minor);
LogError(COMPONENT_STDOUT, ERR_FSAL, st2.major, st2.minor);
if(st1.major != st2.major)
{
LogTest(
"Error : different access permissions given by FSAL_access and FSAL_test_access : %d <>%d",
st1.major, st2.major);
}
/* 2 - test W access */
st1 = FSAL_access(&entries[i].handle, &op_ctx, FSAL_W_OK, NULL);
st2 = FSAL_test_access(&op_ctx, FSAL_W_OK, &attribs);
LogError(COMPONENT_STDOUT, ERR_FSAL, st1.major, st1.minor);
LogError(COMPONENT_STDOUT, ERR_FSAL, st2.major, st2.minor);
if(st1.major != st2.major)
{
LogTest(
"Error : different access permissions given by FSAL_access and FSAL_test_access : %d <>%d",
st1.major, st2.major);
}
/* 3 - test X access */
st1 = FSAL_access(&entries[i].handle, &op_ctx, FSAL_X_OK, NULL);
st2 = FSAL_test_access(&op_ctx, FSAL_X_OK, &attribs);
LogError(COMPONENT_STDOUT, ERR_FSAL, st1.major, st1.minor);
LogError(COMPONENT_STDOUT, ERR_FSAL, st2.major, st2.minor);
if(st1.major != st2.major)
{
LogTest(
"Error : different access permissions given by FSAL_access and FSAL_test_access : %d <>%d",
st1.major, st2.major);
}
}
/* preparing next call */
from = to;
}
LogTest("Fin de boucle : error=%d ; eod=%d", error, eod);
}
else
/* TEST 7 */
if(test[0] == '7')
{
/* test snprintmem and sscanmem */
char test_string[] =
"Ceci est une chaine d'essai.\nLes chiffres : 0123456789\nLes lettres : ABCDEFGHIJKLMNOPQRSTUVWXYZ";
char buffer[256];
char string[200]; /* 200 suffit car test_string fait <100 */
int size1, size2, size3, i;
/* we put bad values in string, to see if it is correctly set. */
for(i = 0; i < 200; i++)
string[i] = (char)i;
LogTest("Initial data (%d Bytes) = <<%s>>", strlen(test_string), test_string);
/* Write test_string to a buffer. */
/* We don't give the final '\0'. */
snprintmem(buffer, 256, test_string, strlen(test_string));
LogTest("Dest_Buffer (%d Bytes) = <<%s>>", strlen(buffer), buffer);
/* read the value from the buffer */
sscanmem(string, strlen(test_string), buffer);
/* sets the final 0 to print the content of the buffer */
LogTest("Retrieved string : following byte = %d",
(int)string[strlen(test_string)]);
string[strlen(test_string)] = '\0';
LogTest("Retrieved string (%d Bytes) = <<%s>>", strlen(string), string);
/* Automatic tests : */
size1 = strlen(test_string);
size2 = strlen(buffer);
size3 = strlen(string);
LogTest("-------------------------------------");
if(size1 <= 0)
LogTest("***** ERROR: source size=0 !!!");
if(size1 != size3)
LogTest("***** ERROR: source size <> target size");
else
LogTest("OK: source size = target size");
if((size1 * 2) != size2)
LogTest("***** ERROR: hexa size <> 2 * source size");
else
LogTest("OK: hexa size = 2 * source size");
if(strcmp(test_string, string))
LogTest("***** ERROR: source string <> target string");
else
LogTest("OK: source string = target string");
}
else
/* TEST 8 */
if(test[0] == '8')
{
hpssfsal_handle_t dir_hdl, subdir_hdl;
fsal_name_t subdir_name;
/* lookup on /cea/prot/S/lama/s8/leibovic */
if(FSAL_IS_ERROR(st = FSAL_str2path("/cea/prot/S/lama/s8/leibovic", 40, &path)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookupPath(&path, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea/prot/S/lama/s8/leibovic: handle = %s", tracebuff);
sleep(1);
/* creates a directory */
LogTest("------- Create a directory -------");
if(FSAL_IS_ERROR(st = FSAL_str2name("tests_GANESHA", 30, &name)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_mkdir(&handle, &name, &op_ctx,
FSAL_MODE_RUSR | FSAL_MODE_WUSR
| FSAL_MODE_XUSR | FSAL_MODE_RGRP
| FSAL_MODE_WGRP, &dir_hdl, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
snprintHandle(tracebuff, 256, &dir_hdl);
LogTest("newly created dir handle = %s", tracebuff);
printattributes(attribs);
}
sleep(1);
/* Try to create it again */
LogTest("------- Try to create it again -------");
if(FSAL_IS_ERROR(st = FSAL_mkdir(&handle, &name, &op_ctx,
FSAL_MODE_RUSR | FSAL_MODE_WUSR
| FSAL_MODE_XUSR | FSAL_MODE_RGRP
| FSAL_MODE_WGRP, &dir_hdl, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
LogTest("**** Error: FSAL should have returned ERR_FSAL_EXIST");
}
sleep(1);
/* creates a subdirectory */
LogTest("------- Create a subdirectory -------");
if(FSAL_IS_ERROR(st = FSAL_str2name("subdir_GANESHA", 30, &subdir_name)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
if(FSAL_IS_ERROR(st = FSAL_mkdir(&dir_hdl, &subdir_name, &op_ctx,
FSAL_MODE_RUSR | FSAL_MODE_WUSR
| FSAL_MODE_XUSR | FSAL_MODE_RGRP
| FSAL_MODE_WGRP, &subdir_hdl, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
snprintHandle(tracebuff, 256, &subdir_hdl);
LogTest("newly created subdir handle = %s", tracebuff);
printattributes(attribs);
}
/* try to removes the parent directory */
LogTest("------- Try to removes the parent directory -------");
if(FSAL_IS_ERROR(st = FSAL_unlink(&handle, &name, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
LogTest("FSAL should not have unlinked %s because it is not empty", name.name);
}
sleep(1);
/* removes the subdirectory */
LogTest("------- Removes the subdirectory -------");
if(FSAL_IS_ERROR(st = FSAL_unlink(&dir_hdl, &subdir_name, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
LogTest("New attributes for parent directory:");
printattributes(attribs);
}
/* removes the parent directory */
LogTest("------- Removes the parent directory -------");
if(FSAL_IS_ERROR(st = FSAL_unlink(&handle, &name, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
LogTest("Unlink %s OK", name.name);
}
}
/* TEST 9 */
else if(test[0] == '9')
{
hpssfsal_handle_t dir_hdl, subdir_hdl;
fsal_name_t subdir_name;
fsal_attrib_list_t attr_set;
fsal_fsid_t set_fsid = { 1LL, 2LL };
#ifdef _LINUX
struct tm jour_heure = { 56, 34, 12, 31, 12, 110, 0, 0, 0, 0, 0 };
#else
struct tm jour_heure = { 56, 34, 12, 31, 12, 110, 0, 0, 0 };
#endif
/* lookup on /cea/prot/S/lama/s8/leibovic */
if(FSAL_IS_ERROR(st = FSAL_str2path("/cea/prot/S/lama/s8/leibovic", 40, &path)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookupPath(&path, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea/prot/S/lama/s8/leibovic: handle = %s", tracebuff);
sleep(1);
/* creates a file */
LogTest("------- Create a file -------");
if(FSAL_IS_ERROR(st = FSAL_str2name("tests_GANESHA_setattrs", 30, &name)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_create(&handle, &name, &op_ctx,
FSAL_MODE_RUSR | FSAL_MODE_WUSR
| FSAL_MODE_XUSR | FSAL_MODE_RGRP
| FSAL_MODE_WGRP, &dir_hdl, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
snprintHandle(tracebuff, 256, &dir_hdl);
LogTest("newly created file handle = %s", tracebuff);
printattributes(attribs);
}
sleep(1);
LogTest("------- Try to change its attributes -------");
/* Macro that try to change the value for an attribute */
#define CHANGE_ATTRS( str_nom, nom, flag, new_val ) do {\
memset(&attr_set, 0, sizeof(fsal_attrib_list_t) ); \
LogTest("\nTry to change '%s' :",str_nom); \
FSAL_SET_MASK( attr_set.asked_attributes , flag ); \
attr_set.nom = new_val; \
attribs.asked_attributes = attr_set.asked_attributes; \
/* attribs.asked_attributes = mask; */\
st = FSAL_setattrs( &dir_hdl, &op_ctx, &attr_set, &attribs );\
if ( FSAL_IS_ERROR(st) ) \
LogError(COMPONENT_STDOUT,ERR_FSAL,st.major,st.minor);\
else \
printattributes( attribs ); \
} while(0)
CHANGE_ATTRS("supported_attributes", supported_attributes,
FSAL_ATTR_SUPPATTR, FSAL_ATTRS_MANDATORY);
CHANGE_ATTRS("type", type, FSAL_ATTR_TYPE, FSAL_TYPE_LNK);
sleep(1); /* to see mtime modification by truncate */
CHANGE_ATTRS("filesize", filesize, FSAL_ATTR_SIZE, (fsal_size_t) 12);
sleep(1); /* to see mtime modification by truncate */
CHANGE_ATTRS("fsid", fsid, FSAL_ATTR_FSID, set_fsid);
/* @todo : ACLs */
CHANGE_ATTRS("fileid", fileid, FSAL_ATTR_FILEID, (fsal_u64_t) 1234);
CHANGE_ATTRS("mode", mode, FSAL_ATTR_MODE,
(FSAL_MODE_RUSR | FSAL_MODE_WUSR | FSAL_MODE_RGRP));
CHANGE_ATTRS("numlinks", numlinks, FSAL_ATTR_NUMLINKS, 7);
/* FSAL_ATTR_RAWDEV */
CHANGE_ATTRS("atime", atime.seconds, FSAL_ATTR_ATIME, mktime(&jour_heure));
jour_heure.tm_min++;
CHANGE_ATTRS("creation", creation.seconds, FSAL_ATTR_CREATION, mktime(&jour_heure));
jour_heure.tm_min++;
CHANGE_ATTRS("mtime", mtime.seconds, FSAL_ATTR_MTIME, mktime(&jour_heure));
jour_heure.tm_min++;
CHANGE_ATTRS("ctime", ctime.seconds, FSAL_ATTR_CTIME, mktime(&jour_heure));
CHANGE_ATTRS("spaceused", spaceused, FSAL_ATTR_SPACEUSED, (fsal_size_t) 12345);
CHANGE_ATTRS("mounted_on_fileid", mounted_on_fileid,
FSAL_ATTR_MOUNTFILEID, (fsal_u64_t) 3210);
CHANGE_ATTRS("owner", owner, FSAL_ATTR_OWNER, 3051); /* deniel */
CHANGE_ATTRS("group", group, FSAL_ATTR_GROUP, 5953); /* sr */
sleep(1);
/* removes the parent directory */
LogTest("------- Removes the directory -------");
if(FSAL_IS_ERROR(st = FSAL_unlink(&handle, &name, &op_ctx, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
LogTest("Unlink %s OK", name.name);
}
}
else if(test[0] == 'A')
{
char digest_buff[FSAL_DIGEST_SIZE_HDLV3];
/* lookup on /cea/prot/S/lama/s8/leibovic */
if(FSAL_IS_ERROR(st = FSAL_str2path("/cea/prot/S/lama/s8/leibovic", 40, &path)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
attribs.asked_attributes = mask;
if(FSAL_IS_ERROR(st = FSAL_lookupPath(&path, &op_ctx, &handle, &attribs)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea/prot/S/lama/s8/leibovic: handle = %s", tracebuff);
/* building digest */
st = FSAL_DigestHandle(&export_ctx, FSAL_DIGEST_NFSV3, &handle, digest_buff);
if(FSAL_IS_ERROR(st))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
/* print digest */
snprintmem(tracebuff, 256, digest_buff, FSAL_DIGEST_SIZE_HDLV3);
LogTest("/cea/prot/S/lama/s8/leibovic: handle_digest = %s", tracebuff);
}
memset(&handle, 0, sizeof(hpssfsal_handle_t));
/* expend digest */
st = FSAL_ExpandHandle(&export_ctx, FSAL_DIGEST_NFSV3, digest_buff, &handle);
if(FSAL_IS_ERROR(st))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
}
else
{
/* print expended handle */
snprintHandle(tracebuff, 256, &handle);
LogTest("/cea/prot/S/lama/s8/leibovic: handle expended = %s", tracebuff);
}
}
else if(test[0] == 'B')
{
fsal_dynamicfsinfo_t dyninfo;
if(FSAL_IS_ERROR(st = FSAL_dynamic_fsinfo(&root_handle, &op_ctx, &dyninfo)))
{
LogError(COMPONENT_STDOUT, ERR_FSAL, st.major, st.minor);
exit(st.major);
}
LogTest("total_bytes = %llu", dyninfo.total_bytes);
LogTest("free_bytes = %llu", dyninfo.free_bytes);
LogTest("avail_bytes = %llu", dyninfo.avail_bytes);
LogTest("total_files = %llu", dyninfo.total_files);
LogTest("free_files = %llu", dyninfo.free_files);
LogTest("avail_files = %llu", dyninfo.avail_files);
LogTest("time_delta = %u.%u", dyninfo.time_delta.seconds,
dyninfo.time_delta.nseconds);
}
else
LogTest("%s : test inconnu", test);
return 0;
}
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 */
/**
*
* cache_inode_get: Gets an entry by using its fsdata as a key and caches it if needed.
*
* Gets an entry by using its fsdata as a key and caches it if needed.
* ASSUMPTION: DIR_CONT entries are always garbabbaged before their related DIR_BEGINNG
*
* @param fsdata [IN] file system data
* @param pattr [OUT] pointer to the attributes for the result.
* @param ht [IN] hash table used for the cache, unused in this call.
* @param pclient [INOUT] ressource allocated by the client for the nfs management.
* @param pcontext [IN] FSAL credentials
* @param pstatus [OUT] returned status.
*
* @return the pointer to the entry is successfull, NULL otherwise.
*
*/
cache_entry_t *cache_inode_get(cache_inode_fsal_data_t * pfsdata,
fsal_attrib_list_t * pattr,
hash_table_t * ht,
cache_inode_client_t * pclient,
fsal_op_context_t * pcontext,
cache_inode_status_t * pstatus)
{
hash_buffer_t key, value;
cache_entry_t *pentry = NULL;
fsal_status_t fsal_status;
cache_inode_create_arg_t create_arg;
cache_inode_file_type_t type;
int hrc = 0;
fsal_attrib_list_t fsal_attributes;
cache_inode_fsal_data_t *ppoolfsdata = NULL;
/* Set the return default to CACHE_INODE_SUCCESS */
*pstatus = CACHE_INODE_SUCCESS;
/* stats */
pclient->stat.nb_call_total += 1;
pclient->stat.func_stats.nb_call[CACHE_INODE_GET] += 1;
/* Turn the input to a hash key */
if(cache_inode_fsaldata_2_key(&key, pfsdata, pclient))
{
*pstatus = CACHE_INODE_UNAPPROPRIATED_KEY;
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
ppoolfsdata = (cache_inode_fsal_data_t *) key.pdata;
RELEASE_PREALLOC(ppoolfsdata, pclient->pool_key, next_alloc);
return NULL;
}
switch (hrc = HashTable_Get(ht, &key, &value))
{
case HASHTABLE_SUCCESS:
/* Entry exists in the cache and was found */
pentry = (cache_entry_t *) value.pdata;
/* return attributes additionally */
cache_inode_get_attributes(pentry, pattr);
break;
case HASHTABLE_ERROR_NO_SUCH_KEY:
/* Cache miss, allocate a new entry */
/* If we ask for a dir cont (in this case pfsdata.cookie != FSAL_DIR_BEGINNING, we have
* a client who performs a readdir in the middle of a directory, when the direcctories
* have been garbbage. we must search for the DIR_BEGIN related to this DIR_CONT */
if(pfsdata->cookie != DIR_START)
{
/* added for sanity check */
LogDebug(COMPONENT_CACHE_INODE_GC,
"=======> Pb cache_inode_get: line %u pfsdata->cookie != DIR_START (=%u) on object whose type is %u",
__LINE__, pfsdata->cookie,
cache_inode_fsal_type_convert(fsal_attributes.type));
pfsdata->cookie = DIR_START;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
/* redo the call */
return cache_inode_get(pfsdata, pattr, ht, pclient, pcontext, pstatus);
}
/* First, call FSAL to know what the object is */
fsal_attributes.asked_attributes = pclient->attrmask;
fsal_status = FSAL_getattrs(&pfsdata->handle, pcontext, &fsal_attributes);
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
LogDebug(COMPONENT_CACHE_INODE_GC, "cache_inode_get: line %u cache_inode_status=%u fsal_status=%u,%u ",
__LINE__, *pstatus, fsal_status.major, fsal_status.minor);
if(fsal_status.major == ERR_FSAL_STALE)
{
char handle_str[256];
snprintHandle(handle_str, 256, &pfsdata->handle);
LogEvent(COMPONENT_CACHE_INODE_GC,"cache_inode_get: Stale FSAL File Handle %s", handle_str);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
}
/* The type has to be set in the attributes */
if(!FSAL_TEST_MASK(fsal_attributes.supported_attributes, FSAL_ATTR_TYPE))
{
*pstatus = CACHE_INODE_FSAL_ERROR;
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
}
/* Get the cache_inode file type */
type = cache_inode_fsal_type_convert(fsal_attributes.type);
if(type == SYMBOLIC_LINK)
{
FSAL_CLEAR_MASK(fsal_attributes.asked_attributes);
FSAL_SET_MASK(fsal_attributes.asked_attributes, pclient->attrmask);
fsal_status =
FSAL_readlink(&pfsdata->handle, pcontext, &create_arg.link_content,
&fsal_attributes);
if(FSAL_IS_ERROR(fsal_status))
{
*pstatus = cache_inode_error_convert(fsal_status);
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
if(fsal_status.major == ERR_FSAL_STALE)
{
cache_inode_status_t kill_status;
LogDebug(COMPONENT_CACHE_INODE_GC,
"cache_inode_get: Stale FSAL File Handle detected for pentry = %p",
pentry);
if(cache_inode_kill_entry(pentry, ht, pclient, &kill_status) !=
CACHE_INODE_SUCCESS)
LogCrit(COMPONENT_CACHE_INODE_GC,"cache_inode_get: Could not kill entry %p, status = %u",
pentry, kill_status);
*pstatus = CACHE_INODE_FSAL_ESTALE;
}
return NULL;
}
}
/* Add the entry to the cache */
if((pentry = cache_inode_new_entry(pfsdata, &fsal_attributes, type, &create_arg, NULL, /* never used to add a new DIR_CONTINUE within the scope of this function */
ht, pclient, pcontext, FALSE, /* This is a population, not a creation */
pstatus)) == NULL)
{
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
}
/* Set the returned attributes */
*pattr = fsal_attributes;
/* Now, exit the switch/case and returns */
break;
default:
/* This should not happened */
*pstatus = CACHE_INODE_INVALID_ARGUMENT;
/* stats */
pclient->stat.func_stats.nb_err_unrecover[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return NULL;
break;
}
*pstatus = CACHE_INODE_SUCCESS;
/* valid the found entry, if this is not feasable, returns nothing to the client */
P_w(&pentry->lock);
if((*pstatus =
cache_inode_valid(pentry, CACHE_INODE_OP_GET, pclient)) != CACHE_INODE_SUCCESS)
{
V_w(&pentry->lock);
pentry = NULL;
}
V_w(&pentry->lock);
/* stats */
pclient->stat.func_stats.nb_success[CACHE_INODE_GET] += 1;
/* Free this key */
cache_inode_release_fsaldata_key(&key, pclient);
return pentry;
} /* cache_inode_get */
