dpns_getreplica(3) [debian man page]

DPNS_GETREPLICA(3)					      DPNS Library Functions						DPNS_GETREPLICA(3)

NAME

       dpns_getreplica - get the replica entries associated with a DPNS file in the name server

SYNOPSIS

       #include <sys/types.h>
       #include "dpns_api.h"

       int dpns_getreplica (const char *path, const char *guid, const char *se, int *nbentries, struct dpns_filereplica **rep_entries)

DESCRIPTION

       dpns_getreplica gets the replica entries associated with a DPNS file in the name server.

       The file can be specified by path name or by guid.  If both are given, they must point at the same file.

       path   specifies the logical pathname relative to the current DPNS directory or the full DPNS pathname.

       guid   specifies the Grid Unique IDentifier.

       se     allows to restrict the replica entries to a given SE.

       nbentries
	      will be set to the number of entries in the array of replicas.

       rep_entries
	      will  be	set  to the address of an array of dpns_filereplica structures allocated by the API. The client application is responsible
	      for freeing the array when not needed anymore.

       struct dpns_filereplica {
	    u_signed64	   fileid;
	    u_signed64	   nbaccesses;
	    time_t	   atime;	  /* last access to replica */
	    time_t	   ptime;	  /* replica pin time */
	    char      status;
	    char      f_type;	     /* 'V' for Volatile, 'P' for Permanent */
	    char      poolname[CA_MAXPOOLNAMELEN+1];
	    char      host[CA_MAXHOSTNAMELEN+1];
	    char      fs[80];
	    char      sfn[CA_MAXSFNLEN+1];
       };

RETURN VALUE

       This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.

ERRORS

       ENOENT	    The named file does not exist.

       EACCES	    Search permission is denied on a component of the path prefix.

       ENOMEM	    Memory could not be allocated for unmarshalling the reply.

       EFAULT	    path and guid are NULL pointers or nbentries or rep_entries is a NULL pointer.

       ENOTDIR	    A component of path prefix is not a directory.

       EINVAL	    The length of guid exceeds CA_MAXGUIDLEN or the length of se exceeds CA_MAXHOSTNAMELEN or path and guid  are  both	given  and
		    they point at a different file.

       ENAMETOOLONG The length of path exceeds CA_MAXPATHLEN or the length of a path component exceeds CA_MAXNAMELEN.

       SENOSHOST    Host unknown.

       SENOSSERV    Service unknown.

       SECOMERR     Communication error.

       ENSNACT	    Name server is not running or is being shutdown.

SEE ALSO

       Castor_limits(4), dpns_chdir(3)

AUTHOR

       LCG Grid Deployment Team

DPNS
							   $Date: 2006/04/26 10:12:35 $ 					DPNS_GETREPLICA(3)

LFC_LISTREPLICA(3)					       LFC Library Functions						LFC_LISTREPLICA(3)

NAME

       lfc_listreplica - list replica entries for a given file

SYNOPSIS

       #include <sys/types.h>
       #include "lfc_api.h"

       struct lfc_filereplica *lfc_listreplica (const char *path, const char *guid, int flags, lfc_list *listp)

DESCRIPTION

       lfc_listreplica	lists  replica	entries  for  a  given file.  This routine returns a pointer to a structure containing the current replica
       entry.

       struct lfc_filereplica {
	    u_signed64	   fileid;
	    u_signed64	   nbaccesses;
	    time_t	   atime;	  /* last access to replica */
	    time_t	   ptime;	  /* replica pin time */
	    char      status;
	    char      f_type;	     /* 'V' for Volatile, 'P' for Permanent */
	    char      poolname[CA_MAXPOOLNAMELEN+1];
	    char      host[CA_MAXHOSTNAMELEN+1];
	    char      fs[80];
	    char      sfn[CA_MAXSFNLEN+1];
       };

       path   specifies the logical pathname.

       guid   specifies the Grid Unique IDentifier.

       flags  may be one of the following constant:

	      CNS_LIST_BEGIN
		     the first call must have this flag set to allocate buffers and initialize pointers.

	      CNS_LIST_CONTINUE
		     all the following calls must have this flag set.

	      CNS_LIST_END
		     final call to terminate the list and free resources.

RETURN VALUE

       This routine returns a pointer to a structure containing the current replica entry if the operation was successful or NULL if  all  entries
       have been returned or if the operation failed. In the latter case, serrno is set appropriately.

EXAMPLES

       A C program listing the replicas fo a given sfn could look like:

	    int flags;
	    lfc_list list;
	    struct lfc_filereplica *lp;

	    flags = CNS_LIST_BEGIN;
	    while ((lp = lfc_listreplica (sfn, NULL, flags, &list)) != NULL) {
		 flags = CNS_LIST_CONTINUE;
		 /* process the entry */
		 .....
	    }
	    (void) lfc_listreplica (sfn, NULL, CNS_LIST_END, &list);

ERRORS

       ENOENT	    The named file does not exist.

       EACCES	    Search permission is denied on a component of the parent directory.

       ENOMEM	    Memory could not be allocated for the output buffer.

       EFAULT	    path and guid are NULL pointers or listp is a NULL pointer.

       ENOTDIR	    A component of path prefix is not a directory.

       EINVAL	    The length of guid exceeds CA_MAXGUIDLEN or path and guid are both given and they point at a different file.

       ENAMETOOLONG The length of path exceeds CA_MAXPATHNAMELEN.

       SENOSHOST    Host unknown.

       SENOSSERV    Service unknown.

       SECOMERR     Communication error.

       ENSNACT	    Name server is not running or is being shutdown.

SEE ALSO

       Castor_limits(4), lfc_addreplica(3)

LFC
					       $Date: 2010-09-14 13:37:49 +0200 (Tue, 14 Sep 2010) $				LFC_LISTREPLICA(3)