rquota/rquota.c

   1 /*
   2    Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as published by
   6    the Free Software Foundation; either version 2.1 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #include <stdio.h>
  19 #include <errno.h>
  20 #include <sys/stat.h>
  21 #include <rpc/rpc.h>
  22 #include <rpc/xdr.h>
  23 #include "libnfs.h"
  24 #include "libnfs-raw.h"
  25 #include "libnfs-private.h"
  26 #include "libnfs-raw-rquota.h"
  27
  28
  29
  30 char *rquotastat_to_str(int error)
  31 {
  32         switch (error) {
  33         case RQUOTA_OK:      return "RQUOTA_OK"; break;
  34         case RQUOTA_NOQUOTA: return "RQUOTA_NOQUOTA"; break;
  35         case RQUOTA_EPERM:   return "RQUOTA_EPERM"; break;
  36         };
  37         return "unknown rquota error";
  38 }
  39
  40 int rquotastat_to_errno(int error)
  41 {
  42         switch (error) {
  43         case RQUOTA_OK:           return 0; break;
  44         case RQUOTA_NOQUOTA:      return -ENOENT; break;
  45         case RQUOTA_EPERM:        return -EPERM; break;
  46         };
  47         return -ENOENT;
  48 }
  49
  50
  51 int rpc_rquota1_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  52 {
  53         struct rpc_pdu *pdu;
  54
  55         pdu = rpc_allocate_pdu(rpc, RQUOTA_PROGRAM, RQUOTA_V1, RQUOTA1_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
  56         if (pdu == NULL) {
  57                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for rquota/null call");
  58                 return -1;
  59         }
  60
  61         if (rpc_queue_pdu(rpc, pdu) != 0) {
  62                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for rquota/null call");
  63                 rpc_free_pdu(rpc, pdu);
  64                 return -2;
  65         }
  66
  67         return 0;
  68 }
  69
  70 int rpc_rquota1_getquota_async(struct rpc_context *rpc, rpc_cb cb, char *export, int uid, void *private_data)
  71 {
  72         struct rpc_pdu *pdu;
  73         GETQUOTA1args args;
  74
  75         pdu = rpc_allocate_pdu(rpc, RQUOTA_PROGRAM, RQUOTA_V1, RQUOTA1_GETQUOTA, cb, private_data, (xdrproc_t)xdr_GETQUOTA1res, sizeof(GETQUOTA1res));
  76         if (pdu == NULL) {
  77                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for rquota/getquota call");
  78                 return -1;
  79         }
  80
  81         args.export = export;
  82         args.uid    = uid;
  83
  84         if (xdr_GETQUOTA1args(&pdu->xdr, &args) == 0) {
  85                 rpc_set_error(rpc, "XDR error: Failed to encode GETQUOTA1args");
  86                 rpc_free_pdu(rpc, pdu);
  87                 return -2;
  88         }
  89
  90         if (rpc_queue_pdu(rpc, pdu) != 0) {
  91                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for rquota/getquota call");
  92                 rpc_free_pdu(rpc, pdu);
  93                 return -3;
  94         }
  95
  96         return 0;
  97 }