static int pnfs_create_ds_partfile(pnfs_ds_client_t * pnfsdsclient,
component4 name,
pnfs_ds_loc_t * plocation,
pnfs_part_file_t * ppartfile)
{
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
struct timeval timeout = { 25, 0 };
nfs_argop4 argoparray_open_ds_file[PNFS_LAYOUTFILE_NB_OP_OPEN_DS_FILE];
nfs_resop4 resoparray_open_ds_file[PNFS_LAYOUTFILE_NB_OP_OPEN_DS_FILE];
nfs_argop4 argoparray_close_ds_file[PNFS_LAYOUTFILE_NB_OP_CLOSE_DS_FILE];
nfs_resop4 resoparray_close_ds_file[PNFS_LAYOUTFILE_NB_OP_CLOSE_DS_FILE];
char owner_val[PNFS_LAYOUTFILE_OWNER_LEN];
unsigned int owner_len = 0;
unsigned int bitmap_val[2];
unsigned int bitmap_res[2];
fattr4_mode buffmode;
fattr4 inattr;
unsigned int i;
char tmp[1024];
#define PNFS_LAYOUTFILE_CREATE_IDX_OP_SEQUENCE 0
#define PNFS_LAYOUTFILE_CREATE_IDX_OP_PUTFH 1
#define PNFS_LAYOUTFILE_CREATE_IDX_OP_OPEN 2
#define PNFS_LAYOUTFILE_CREATE_IDX_OP_GETFH 3
if(!pnfsdsclient || !ppartfile || !plocation )
return NFS4ERR_SERVERFAULT;
/* Create the owner */
snprintf(owner_val, PNFS_LAYOUTFILE_OWNER_LEN,
"GANESHA/PNFS: pid=%u FH=%s", getpid(), plocation->str_mds_handle);
owner_len = strnlen(owner_val, PNFS_LAYOUTFILE_OWNER_LEN);
inattr.attrmask.bitmap4_len = 2;
inattr.attrmask.bitmap4_val = bitmap_val;
bitmap_val[0] = 0;
bitmap_val[1] = 2; /* FATTR4_MODE == 33 = 32+1 */
inattr.attr_vals.attrlist4_len = sizeof(fattr4_mode);
buffmode = htonl(0644);
inattr.attr_vals.attrlist4_val = (char *)&buffmode;
/* Step 1 OP4_OPEN as OPEN4_CREATE */
argnfs4.argarray.argarray_val = argoparray_open_ds_file;
resnfs4.resarray.resarray_val = resoparray_open_ds_file;
argnfs4.minorversion = 1;
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
argnfs4.argarray.argarray_len = 0;
resnfs4.resarray.resarray_val[PNFS_LAYOUTFILE_CREATE_IDX_OP_GETFH].nfs_resop4_u.
opgetfh.GETFH4res_u.resok4.object.nfs_fh4_val =
(char *)Mem_Alloc(PNFS_LAYOUTFILE_FILEHANDLE_MAX_LEN);
resnfs4.resarray.resarray_val[PNFS_LAYOUTFILE_CREATE_IDX_OP_OPEN].nfs_resop4_u.opopen.
OPEN4res_u.resok4.attrset.bitmap4_val = bitmap_res;
resnfs4.resarray.resarray_val[PNFS_LAYOUTFILE_CREATE_IDX_OP_OPEN].nfs_resop4_u.opopen.
OPEN4res_u.resok4.attrset.bitmap4_len = 2;
COMPOUNDV41_ARG_ADD_OP_SEQUENCE(argnfs4, pnfsdsclient->session, pnfsdsclient->sequence);
pnfsdsclient->sequence += 1; /* In all cases, failure or not, increment the sequence counter */
COMPOUNDV41_ARG_ADD_OP_PUTFH(argnfs4, pnfsdsclient->ds_rootfh);
COMPOUNDV41_ARG_ADD_OP_OPEN_CREATE(argnfs4, name, inattr, owner_val, owner_len);
COMPOUNDV41_ARG_ADD_OP_GETFH(argnfs4);
/* Call the NFSv4 function */
if(clnt_call(pnfsdsclient->rpc_client, NFSPROC4_COMPOUND,
(xdrproc_t) xdr_COMPOUND4args, (caddr_t) & argnfs4,
(xdrproc_t) xdr_COMPOUND4res, (caddr_t) & resnfs4, timeout) != RPC_SUCCESS)
{
return NFS4ERR_IO; /* @todo: For wanting of something more appropriate */
}
/* Get information from reply */
ppartfile->stateid.seqid =
resnfs4.resarray.resarray_val[PNFS_LAYOUTFILE_CREATE_IDX_OP_OPEN].
nfs_resop4_u.opopen.OPEN4res_u.resok4.stateid.seqid;
memcpy((char *)ppartfile->stateid.other,
(char *)resnfs4.resarray.
resarray_val[PNFS_LAYOUTFILE_CREATE_IDX_OP_OPEN].nfs_resop4_u.opopen.OPEN4res_u.
resok4.stateid.other, 12);
ppartfile->handle.nfs_fh4_len =
resnfs4.resarray.resarray_val[PNFS_LAYOUTFILE_CREATE_IDX_OP_GETFH].
nfs_resop4_u.opgetfh.GETFH4res_u.resok4.object.nfs_fh4_len;
ppartfile->handle.nfs_fh4_val =
resnfs4.resarray.resarray_val[PNFS_LAYOUTFILE_CREATE_IDX_OP_GETFH].
nfs_resop4_u.opgetfh.GETFH4res_u.resok4.object.nfs_fh4_val;
ppartfile->deviceid = 1;
ppartfile->is_ganesha = FALSE;
if(resnfs4.status != NFS4_OK)
{
printf( "+-+-+-+-> pnfs_create_ds_partfile: error=%u\n", resnfs4.status ) ;
return resnfs4.status;
}
/* Close the file */
argnfs4.argarray.argarray_val = argoparray_close_ds_file;
resnfs4.resarray.resarray_val = resoparray_close_ds_file;
argnfs4.argarray.argarray_len = 0;
COMPOUNDV41_ARG_ADD_OP_SEQUENCE(argnfs4, pnfsdsclient->session, pnfsdsclient->sequence);
pnfsdsclient->sequence += 1; /* In all cases, failure or not, increment the sequence counter */
COMPOUNDV41_ARG_ADD_OP_PUTFH(argnfs4, ppartfile->handle);
COMPOUNDV41_ARG_ADD_OP_CLOSE(argnfs4, ppartfile->stateid);
/* Call the NFSv4 function */
if(clnt_call(pnfsdsclient->rpc_client, NFSPROC4_COMPOUND,
(xdrproc_t) xdr_COMPOUND4args, (caddr_t) & argnfs4,
(xdrproc_t) xdr_COMPOUND4res, (caddr_t) & resnfs4, timeout) != RPC_SUCCESS)
{
return NFS4ERR_IO; /* @todo: For wanting of something more appropriate */
}
if(resnfs4.status != NFS4_OK)
return resnfs4.status;
return NFS4_OK;
} /* pnfs_create_ds_partfile */
/**
*
* pnfs_lookup: looks up for a path's component.
*
* Looks up for a path's component.
*
* @param pnfsclient [IN] pointer to the pnfsclient structure (client to the ds).
* @param parent_directory_handle [IN] the NFSv4 file handle for the parent directory
* @param filename [IN] the path's component to be looked up
* @param object_handle [OUT] the resulting NFSv4 file handle
*
* @return NFS4_OK if successful
* @return a NFSv4 error (positive value) if failed.
*
*/
int pnfs_lookup(pnfs_ds_client_t * pnfsdsclient, nfs_fh4 * parent_directory_handle, /* IN */
char *filename, /* IN */
nfs_fh4 * object_handle)
{
int rc;
nfs_fh4 nfs4fh;
component4 name;
char nameval[MAXNAMLEN];
unsigned int index_getfh = 0;
COMPOUND4args argnfs4;
COMPOUND4res resnfs4;
struct timeval timeout = { 25, 0 };
#define PNFS_LAYOUTFILE_NB_OP_ALLOC 4
nfs_argop4 argoparray[PNFS_LAYOUTFILE_NB_OP_ALLOC];
nfs_resop4 resoparray[PNFS_LAYOUTFILE_NB_OP_ALLOC];
uint32_t bitmap_res[2];
char padfilehandle[PNFS_LAYOUTFILE_FILEHANDLE_MAX_LEN];
/* sanity checks
* note : object_attributes is optionnal
* parent_directory_handle may be null for getting FS root.
*/
if(!object_handle || !filename || !object_handle)
return NFS4ERR_INVAL;
/* Setup results structures */
argnfs4.argarray.argarray_val = argoparray;
resnfs4.resarray.resarray_val = resoparray;
argnfs4.minorversion = 1;
argnfs4.argarray.argarray_len = 0;
name.utf8string_val = nameval;
name.utf8string_len = 0;
if(!parent_directory_handle)
{
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup Root" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define PNFS_LOOKUP_IDX_OP_SEQUENCE 0
#define PNFS_LOOKUP_IDX_OP_PUTROOTFH 1
#define PNFS_LOOKUP_IDX_OP_GETFH_ROOT 2
COMPOUNDV41_ARG_ADD_OP_SEQUENCE(argnfs4, pnfsdsclient->session,
pnfsdsclient->sequence);
COMPOUNDV41_ARG_ADD_OP_PUTROOTFH(argnfs4);
COMPOUNDV41_ARG_ADD_OP_GETFH(argnfs4);
index_getfh = PNFS_LOOKUP_IDX_OP_GETFH_ROOT;
resnfs4.resarray.resarray_val[PNFS_LOOKUP_IDX_OP_GETFH_ROOT].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[PNFS_LOOKUP_IDX_OP_GETFH_ROOT].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = PNFS_LAYOUTFILE_FILEHANDLE_MAX_LEN;
}
else /* this is a real lookup(parent, name) */
{
/* the filename should not be null */
if(filename == NULL)
return NFS4ERR_INVAL;
if(str2utf8(filename, &name) == -1)
return NFS4ERR_SERVERFAULT;
nfs4fh.nfs_fh4_len = parent_directory_handle->nfs_fh4_len;
nfs4fh.nfs_fh4_val = parent_directory_handle->nfs_fh4_val;
/* argnfs4.tag.utf8string_val = "GANESHA NFSv4 Proxy: Lookup name" ; */
argnfs4.tag.utf8string_val = NULL;
argnfs4.tag.utf8string_len = 0;
#define PNFS_LOOKUP_IDX_OP_SEQUENCE 0
#define PNFS_LOOKUP_IDX_OP_PUTFH 1
#define PNFS_LOOKUP_IDX_OP_LOOKUP 2
#define PNFS_LOOKUP_IDX_OP_GETFH 3
COMPOUNDV41_ARG_ADD_OP_SEQUENCE(argnfs4, pnfsdsclient->session,
pnfsdsclient->sequence);
COMPOUNDV41_ARG_ADD_OP_PUTFH(argnfs4, nfs4fh);
COMPOUNDV41_ARG_ADD_OP_LOOKUP(argnfs4, name);
COMPOUNDV41_ARG_ADD_OP_GETFH(argnfs4);
index_getfh = PNFS_LOOKUP_IDX_OP_GETFH;
resnfs4.resarray.resarray_val[PNFS_LOOKUP_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val = (char *)padfilehandle;
resnfs4.resarray.resarray_val[PNFS_LOOKUP_IDX_OP_GETFH].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_len = PNFS_LAYOUTFILE_FILEHANDLE_MAX_LEN;
}
/* Call the NFSv4 function */
if(clnt_call(pnfsdsclient->rpc_client, NFSPROC4_COMPOUND,
(xdrproc_t) xdr_COMPOUND4args, (caddr_t) & argnfs4,
(xdrproc_t) xdr_COMPOUND4res, (caddr_t) & resnfs4, timeout) != RPC_SUCCESS)
{
return NFS4ERR_IO; /* @todo: For wanting of something more appropriate */
}
/* Increment the sequence */
pnfsdsclient->sequence += 1;
if(resnfs4.status != NFS4_OK)
{
return resnfs4.status;
}
object_handle->nfs_fh4_len =
resnfs4.resarray.resarray_val[index_getfh].nfs_resop4_u.opgetfh.GETFH4res_u.resok4.
object.nfs_fh4_len;
memcpy((char *)object_handle->nfs_fh4_val,
(char *)resnfs4.resarray.resarray_val[index_getfh].nfs_resop4_u.opgetfh.
GETFH4res_u.resok4.object.nfs_fh4_val,
resnfs4.resarray.resarray_val[index_getfh].nfs_resop4_u.opgetfh.GETFH4res_u.
resok4.object.nfs_fh4_len);
/* lookup complete ! */
return NFS4_OK;
}
