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/*
* quotaio_rpc.c - quota IO operations for RPC (just wrappers for RPC calls)
*/
#include "config.h"
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/types.h>
#include "common.h"
#include "quotaio.h"
#include "dqblk_rpc.h"
#include "rquota_client.h"
#include "pot.h"
static int rpc_init_io(struct quota_handle *h);
static struct dquot *rpc_read_dquot(struct quota_handle *h, qid_t id);
static int rpc_commit_dquot(struct dquot *dquot, int flags);
struct quotafile_ops quotafile_ops_rpc = {
init_io: rpc_init_io,
read_dquot: rpc_read_dquot,
commit_dquot: rpc_commit_dquot
};
/*
* Define maximal values RPC client can transmit to server.
*/
static int rpc_init_io(struct quota_handle *h)
{
#ifdef RPC
h->qh_info.dqi_max_b_limit = ~(uint32_t)0;
h->qh_info.dqi_max_i_limit = ~(uint32_t)0;
h->qh_info.dqi_max_b_usage = ((uint64_t)(~(uint32_t)0))
<< QUOTABLOCK_BITS;
h->qh_info.dqi_max_i_usage = ~(uint32_t)0;
return 0;
#else
return -1;
#endif
}
/*
* Read a dqblk struct from RPC server - just wrapper function.
*/
static struct dquot *rpc_read_dquot(struct quota_handle *h, qid_t id)
{
#ifdef RPC
struct dquot *dquot = get_empty_dquot();
int ret;
dquot->dq_id = id;
dquot->dq_h = h;
if ((ret = rpc_rquota_get(dquot)) < 0) {
errno = -ret;
free(dquot);
return NULL;
}
return dquot;
#else
errno = ENOTSUP;
return NULL;
#endif
}
/*
* Write a dqblk struct to RPC server - just wrapper function.
*/
static int rpc_commit_dquot(struct dquot *dquot, int flags)
{
#ifdef RPC
int ret;
if (QIO_RO(dquot->dq_h)) {
errstr(_("Trying to write quota to readonly quotafile on %s\n"), dquot->dq_h->qh_quotadev);
errno = EPERM;
return -1;
}
if ((ret = rpc_rquota_set(QCMD(Q_RPC_SETQUOTA, dquot->dq_h->qh_type), dquot)) < 0) {
errno = -ret;
return -1;
}
return 0;
#else
errno = ENOTSUP;
return -1;
#endif
}
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