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libnfs-glue.c
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libnfs-glue.c
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/*
libnfs glue for dbench
Copyright (C) 2008 by Ronnie Sahlberg (ronniesahlberg@gmail.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#define _FILE_OFFSET_BITS 64
#include "config.h"
#ifdef HAVE_LIBNFS
#include <errno.h>
#include <fcntl.h>
#include <poll.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <inttypes.h>
#include <nfsc/libnfs.h>
#include <nfsc/libnfs-raw.h>
#include <nfsc/libnfs-raw-nfs.h>
#include <nfsc/libnfs-raw-nlm.h>
#include "libnfs-glue.h"
#define discard_const(ptr) ((void *)((intptr_t)(ptr)))
#define _U_ __attribute__((unused))
struct nfs_fh3 *nfs_get_rootfh(struct nfs_context *nfs);
void nfs_set_error(struct nfs_context *nfs, char *error_string, ...);
int rpc_nfs_pathconf_async(struct rpc_context *rpc, rpc_cb cb, struct nfs_fh3 *fh, void *private_data);
typedef struct _tree_t {
nfs_fh3 key;
nfs_fh3 fh;
off_t file_size;
struct _tree_t *parent;
struct _tree_t *left;
struct _tree_t *right;
} tree_t;
struct nfsio {
struct nfs_context *nfs;
struct rpc_context *nlm;
int child;
unsigned long xid;
int xid_stride;
tree_t *fhandles;
};
static void set_xid_value(struct nfsio *nfsio)
{
nfsio->xid += nfsio->xid_stride;
rpc_set_next_xid(nfs_get_rpc_context(nfsio->nfs), nfsio->xid);
}
static void free_node(tree_t *t)
{
free(discard_const(t->key.data.data_val));
free(discard_const(t->fh.data.data_val));
free(t);
}
static tree_t *find_fhandle(tree_t *tree, const char *key)
{
int i;
if (tree == NULL) {
return NULL;
}
i = strcmp(key, tree->key.data.data_val);
if (i == 0) {
return tree;
}
if (i < 0) {
return find_fhandle(tree->left, key);
}
return find_fhandle(tree->right, key);
}
static nfs_fh3 *recursive_lookup_fhandle(struct nfsio *nfsio, const char *name)
{
tree_t *t;
char *strp;
char *tmpname;
nfsstat3 ret;
while (name[0] == '.') name++;
if (name[0] == 0) {
return NULL;
}
tmpname = strdup(name);
strp = rindex(tmpname, '/');
if (strp == NULL) {
free(tmpname);
return NULL;
}
*strp = 0;
recursive_lookup_fhandle(nfsio, tmpname);
free(tmpname);
t = find_fhandle(nfsio->fhandles, name);
if (t != NULL) {
return &t->fh;
}
ret = nfsio_lookup(nfsio, name, NULL);
if (ret != 0) {
return NULL;
}
t = find_fhandle(nfsio->fhandles, name);
if (t != NULL) {
return &t->fh;
}
return NULL;
}
static nfs_fh3 *lookup_fhandle(struct nfsio *nfsio, const char *name, off_t *off)
{
tree_t *t;
while (name[0] == '.') name++;
if (name[0] == 0) {
name = "/";
}
t = find_fhandle(nfsio->fhandles, name);
if (t == NULL) {
return recursive_lookup_fhandle(nfsio, name);
}
if (off) {
*off = t->file_size;
}
return &t->fh;
}
static void delete_fhandle(struct nfsio *nfsio, const char *name)
{
tree_t *t;
while (name[0] == '.') name++;
t = find_fhandle(nfsio->fhandles, name);
if (t == NULL) {
return;
}
/* we have a left child */
if (t->left) {
tree_t *tmp_tree;
for(tmp_tree=t->left;tmp_tree->right;tmp_tree=tmp_tree->right)
;
tmp_tree->right = t->right;
if (t->right) {
t->right->parent = tmp_tree;
}
if (t->parent == NULL) {
nfsio->fhandles = tmp_tree;
tmp_tree->parent = NULL;
free_node(t);
return;
}
if (t->parent->left == t) {
t->parent->left = t->left;
if (t->left) {
t->left->parent = t->parent;
}
free_node(t);
return;
}
t->parent->right = t->left;
if (t->left) {
t->left->parent = t->parent;
}
free_node(t);
return;
}
/* we only have a right child */
if (t->right) {
tree_t *tmp_tree;
for(tmp_tree=t->right;tmp_tree->left;tmp_tree=tmp_tree->left)
;
tmp_tree->left = t->left;
if (t->left) {
t->left->parent = tmp_tree;
}
if (t->parent == NULL) {
nfsio->fhandles = tmp_tree;
tmp_tree->parent = NULL;
free_node(t);
return;
}
if (t->parent->left == t) {
t->parent->left = t->right;
if (t->right) {
t->right->parent = t->parent;
}
free_node(t);
return;
}
t->parent->right = t->right;
if (t->right) {
t->right->parent = t->parent;
}
free_node(t);
return;
}
/* we are a leaf node */
if (t->parent == NULL) {
nfsio->fhandles = NULL;
} else {
if (t->parent->left == t) {
t->parent->left = NULL;
} else {
t->parent->right = NULL;
}
}
free_node(t);
return;
}
static void insert_fhandle(struct nfsio *nfsio, const char *name, const char *fhandle, int length, off_t off)
{
tree_t *tmp_t;
tree_t *t;
int i;
while (name[0] == '.') name++;
t = malloc(sizeof(tree_t));
if (t == NULL) {
fprintf(stderr, "MALLOC failed to allocate tree_t in insert_fhandle\n");
exit(10);
}
t->key.data.data_val = strdup(name);
if (t->key.data.data_val == NULL) {
fprintf(stderr, "STRDUP failed to allocate key in insert_fhandle\n");
exit(10);
}
t->key.data.data_len = strlen(name);
t->fh.data.data_val = malloc(length);
if (t->key.data.data_val == NULL) {
fprintf(stderr, "MALLOC failed to allocate fhandle in insert_fhandle\n");
exit(10);
}
memcpy(discard_const(t->fh.data.data_val), fhandle, length);
t->fh.data.data_len = length;
t->file_size = off;
t->left = NULL;
t->right = NULL;
t->parent = NULL;
if (nfsio->fhandles == NULL) {
nfsio->fhandles = t;
return;
}
tmp_t = nfsio->fhandles;
again:
i = strcmp(t->key.data.data_val, tmp_t->key.data.data_val);
if (i == 0) {
free(discard_const(tmp_t->fh.data.data_val));
tmp_t->fh.data.data_len = t->fh.data.data_len;
tmp_t->fh.data.data_val = t->fh.data.data_val;
free(discard_const(t->key.data.data_val));
free(t);
return;
}
if (i < 0) {
if (tmp_t->left == NULL) {
tmp_t->left = t;
t->parent = tmp_t;
return;
}
tmp_t = tmp_t->left;
goto again;
}
if (tmp_t->right == NULL) {
tmp_t->right = t;
t->parent = tmp_t;
return;
}
tmp_t = tmp_t->right;
goto again;
}
struct nfs_errors {
const char *err;
int idx;
};
static const struct nfs_errors nfs_errors[] = {
{"NFS3_OK", 0},
{"NFS3ERR_PERM", 1},
{"NFS3ERR_NOENT", 2},
{"NFS3ERR_IO", 5},
{"NFS3ERR_NXIO", 6},
{"NFS3ERR_ACCES", 13},
{"NFS3ERR_EXIST", 17},
{"NFS3ERR_XDEV", 18},
{"NFS3ERR_NODEV", 19},
{"NFS3ERR_NOTDIR", 20},
{"NFS3ERR_ISDIR", 21},
{"NFS3ERR_INVAL", 22},
{"NFS3ERR_FBIG", 27},
{"NFS3ERR_NOSPC", 28},
{"NFS3ERR_ROFS", 30},
{"NFS3ERR_MLINK", 31},
{"NFS3ERR_NAMETOOLONG", 63},
{"NFS3ERR_NOTEMPTY", 66},
{"NFS3ERR_DQUOT", 69},
{"NFS3ERR_STALE", 70},
{"NFS3ERR_REMOTE", 71},
{"NFS3ERR_BADHANDLE", 10001},
{"NFS3ERR_NOT_SYNC", 10002},
{"NFS3ERR_BAD_COOKIE", 10003},
{"NFS3ERR_NOTSUPP", 10004},
{"NFS3ERR_TOOSMALL", 10005},
{"NFS3ERR_SERVERFAULT", 10006},
{"NFS3ERR_BADTYPE", 10007},
{"NFS3ERR_JUKEBOX", 10008},
};
const char *nfs_error(int error)
{
unsigned int i;
for(i=0;i<sizeof(nfs_errors)/sizeof(struct nfs_errors);i++) {
if (error == nfs_errors[i].idx) {
return nfs_errors[i].err;
}
}
return "Unknown NFS error";
}
struct nfsio_cb_data {
struct nfsio *nfsio;
const char *name, *old_name;
fattr3 *attributes;
uint32_t *access;
nfs_fh3 *fh;
nfs3_dirent_cb rd_cb;
void *private_data;
int is_finished;
int status;
};
static void nfsio_wait_for_rpc_reply(struct rpc_context *rpc, struct nfsio_cb_data *cb_data)
{
struct pollfd pfd;
while (!cb_data->is_finished) {
pfd.fd = rpc_get_fd(rpc);
pfd.events = rpc_which_events(rpc);
if (poll(&pfd, 1, -1) < 0) {
cb_data->status = -EIO;
break;
}
if (rpc_service(rpc, pfd.revents) < 0) {
cb_data->status = -EIO;
break;
}
}
}
static void nfsio_wait_for_nfs_reply(struct nfs_context *nfs, struct nfsio_cb_data *cb_data)
{
return nfsio_wait_for_rpc_reply(nfs_get_rpc_context(nfs), cb_data);
}
void nfsio_disconnect(struct nfsio *nfsio)
{
if (nfsio->nfs != NULL) {
nfs_destroy_context(nfsio->nfs);
nfsio->nfs = NULL;
}
if (nfsio->nlm != NULL) {
rpc_destroy_context(nfsio->nlm);
nfsio->nlm = NULL;
}
free(nfsio);
}
void nlm_connect_cb(struct rpc_context *rpc _U_, int status _U_,
void *data _U_, void *private_data)
{
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
}
struct nfsio *nfsio_connect(const char *url, int child, int initial_xid, int xid_stride, int nlm)
{
struct nfsio *nfsio;
char *tmp, *server, *export;
char *child_name;
struct nfs_fh3 *root_fh;
tmp = strdup(url);
if (tmp == NULL) {
fprintf(stderr, "Failed to strdup nfs url\n");
return NULL;
}
if (strncmp(tmp, "nfs://", 6)) {
fprintf(stderr, "Invalid URL. NFS URL must be of form nfs://<server>/<path>\n");
free(tmp);
return NULL;
}
server = &tmp[6];
export = strchr(server, '/');
if (export == NULL) {
fprintf(stderr, "Invalid URL. NFS URL must be of form nfs://<server>/<path>\n");
free(tmp);
return NULL;
}
*export = 0;
export = strchr(&url[6], '/');
nfsio = malloc(sizeof(struct nfsio));
if (nfsio == NULL) {
fprintf(stderr, "Failed to malloc nfsio\n");
free(tmp);
return NULL;
}
memset(nfsio, 0, sizeof(struct nfsio));
nfsio->xid = initial_xid;
nfsio->xid_stride = xid_stride;
nfsio->nfs = nfs_init_context();
if (nfs_mount(nfsio->nfs, server, export) != 0) {
fprintf(stderr, "Failed to mount %s. Error:%s\n", url,
nfs_get_error(nfsio->nfs));
free(tmp);
return NULL;
}
nfsio->child = child;
if (asprintf(&child_name, "dbench-child-%d", nfsio->child) < 0) {
exit(1);
}
nfs_set_auth(nfsio->nfs, libnfs_authunix_create(child_name, getuid(),
getpid(), 0, NULL));
free(child_name);
root_fh = nfs_get_rootfh(nfsio->nfs);
insert_fhandle(nfsio, "/",
root_fh->data.data_val,
root_fh->data.data_len,
0);
if (nlm) {
struct nfsio_cb_data cb_data;
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
nfsio->nlm = rpc_init_context();
if (nfsio->nlm == NULL) {
printf("failed to init nlm context\n");
free(tmp);
exit(10);
}
if (rpc_connect_program_async(nfsio->nlm, server, 100021, 4,
nlm_connect_cb, &cb_data) != 0) {
printf("Failed to start NLM connection. %s\n",
rpc_get_error(nfsio->nlm));
free(tmp);
exit(10);
}
nfsio_wait_for_rpc_reply(nfsio->nlm, &cb_data);
}
free(tmp);
return nfsio;
}
static void nfsio_getattr_cb(struct rpc_context *rpc _U_, int status,
void *data, void *private_data) {
struct GETATTR3res *GETATTR3res = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (GETATTR3res->status != NFS3_OK) {
cb_data->status = GETATTR3res->status;
return;
}
if (cb_data->attributes) {
memcpy(cb_data->attributes,
&GETATTR3res->GETATTR3res_u.resok.obj_attributes,
sizeof(fattr3));
}
cb_data->status = NFS3_OK;
}
nfsstat3 nfsio_getattr(struct nfsio *nfsio, const char *name, fattr3 *attributes)
{
struct nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
fh = lookup_fhandle(nfsio, name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch handle in nfsio_getattr\n");
return NFS3ERR_SERVERFAULT;
}
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
cb_data.attributes = attributes;
set_xid_value(nfsio);
if (rpc_nfs_getattr_async(nfs_get_rpc_context(nfsio->nfs),
nfsio_getattr_cb, fh, &cb_data)) {
fprintf(stderr, "failed to send getattr\n");
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_nfs_reply(nfsio->nfs, &cb_data);
return cb_data.status;
}
static void nfsio_lookup_cb(struct rpc_context *rpc _U_, int status,
void *data, void *private_data) {
struct LOOKUP3res *LOOKUP3res = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (LOOKUP3res->status != NFS3_OK) {
cb_data->status = LOOKUP3res->status;
return;
}
insert_fhandle(cb_data->nfsio, cb_data->name,
LOOKUP3res->LOOKUP3res_u.resok.object.data.data_val,
LOOKUP3res->LOOKUP3res_u.resok.object.data.data_len,
LOOKUP3res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes.size);
if (cb_data->attributes) {
memcpy(cb_data->attributes,
&LOOKUP3res->LOOKUP3res_u.resok.obj_attributes.post_op_attr_u.attributes,
sizeof(fattr3));
}
cb_data->status = NFS3_OK;
}
nfsstat3 nfsio_lookup(struct nfsio *nfsio, const char *name, fattr3 *attributes)
{
char *tmp_name;
char *ptr;
struct nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
tmp_name = strdupa(name);
if (tmp_name == NULL) {
fprintf(stderr, "failed to strdup name in nfsio_lookup\n");
return NFS3ERR_SERVERFAULT;
}
ptr = rindex(tmp_name, '/');
if (ptr == NULL) {
fprintf(stderr, "name did not contain '/' in nfsio_lookup\n");
return NFS3ERR_SERVERFAULT;
}
*ptr = 0;
ptr++;
fh = lookup_fhandle(nfsio, tmp_name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch parent handle for '%s' in nfsio_lookup\n", tmp_name);
return NFS3ERR_SERVERFAULT;
}
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
cb_data.name = discard_const(name);
cb_data.attributes = attributes;
set_xid_value(nfsio);
if (rpc_nfs_lookup_async(nfs_get_rpc_context(nfsio->nfs),
nfsio_lookup_cb, fh, ptr, &cb_data)) {
fprintf(stderr, "failed to send lookup for '%s' "
"in nfsio_lookup\n", tmp_name);
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_nfs_reply(nfsio->nfs, &cb_data);
return cb_data.status;
}
static void nfsio_access_cb(struct rpc_context *rpc _U_, int status,
void *data, void *private_data) {
struct ACCESS3res *ACCESS3res = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (ACCESS3res->status != NFS3_OK) {
cb_data->status = ACCESS3res->status;
return;
}
if (cb_data->access) {
*cb_data->access = ACCESS3res->ACCESS3res_u.resok.access;
}
cb_data->status = NFS3_OK;
}
nfsstat3 nfsio_access(struct nfsio *nfsio, const char *name, uint32_t desired, uint32_t *access)
{
struct nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
fh = lookup_fhandle(nfsio, name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch handle in nfsio_access\n");
return NFS3ERR_SERVERFAULT;
}
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
cb_data.access = access;
set_xid_value(nfsio);
if (rpc_nfs_access_async(nfs_get_rpc_context(nfsio->nfs),
nfsio_access_cb, fh, desired, &cb_data)) {
fprintf(stderr, "failed to send access\n");
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_nfs_reply(nfsio->nfs, &cb_data);
return cb_data.status;
}
static void nfsio_create_cb(struct rpc_context *rpc _U_, int status,
void *data, void *private_data) {
struct CREATE3res *CREATE3res = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (CREATE3res->status != NFS3_OK) {
cb_data->status = CREATE3res->status;
return;
}
insert_fhandle(cb_data->nfsio, cb_data->name,
CREATE3res->CREATE3res_u.resok.obj.post_op_fh3_u.handle.data.data_val,
CREATE3res->CREATE3res_u.resok.obj.post_op_fh3_u.handle.data.data_len,
CREATE3res->CREATE3res_u.resok.obj_attributes.post_op_attr_u.attributes.size);
cb_data->status = NFS3_OK;
}
nfsstat3 nfsio_create(struct nfsio *nfsio, const char *name)
{
struct CREATE3args CREATE3args;
char *tmp_name, *ptr;
struct nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
tmp_name = strdupa(name);
if (tmp_name == NULL) {
fprintf(stderr, "failed to strdup name in nfsio_create\n");
return NFS3ERR_SERVERFAULT;
}
ptr = rindex(tmp_name, '/');
if (ptr == NULL) {
fprintf(stderr, "name did not contain '/' in nfsio_create\n");
return NFS3ERR_SERVERFAULT;
}
*ptr = 0;
ptr++;
fh = lookup_fhandle(nfsio, tmp_name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch parent handle in nfsio_create\n");
return NFS3ERR_SERVERFAULT;
}
memset(&CREATE3args, 0, sizeof(CREATE3args));
CREATE3args.where.dir = *fh;
CREATE3args.where.name = ptr;
CREATE3args.how.mode = UNCHECKED;
CREATE3args.how.createhow3_u.obj_attributes.mode.set_it = TRUE;
CREATE3args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = 0666;
CREATE3args.how.createhow3_u.obj_attributes.uid.set_it = TRUE;
CREATE3args.how.createhow3_u.obj_attributes.uid.set_uid3_u.uid = 0;
CREATE3args.how.createhow3_u.obj_attributes.gid.set_it = TRUE;
CREATE3args.how.createhow3_u.obj_attributes.gid.set_gid3_u.gid = 0;
CREATE3args.how.createhow3_u.obj_attributes.size.set_it = FALSE;
CREATE3args.how.createhow3_u.obj_attributes.atime.set_it = FALSE;
CREATE3args.how.createhow3_u.obj_attributes.mtime.set_it = FALSE;
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
cb_data.name = discard_const(name);
set_xid_value(nfsio);
if (rpc_nfs_create_async(nfs_get_rpc_context(nfsio->nfs),
nfsio_create_cb, &CREATE3args, &cb_data)) {
fprintf(stderr, "failed to send create\n");
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_nfs_reply(nfsio->nfs, &cb_data);
return cb_data.status;
}
static void nfsio_remove_cb(struct rpc_context *rpc _U_, int status,
void *data, void *private_data) {
struct REMOVE3res *REMOVE3res = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (REMOVE3res->status != NFS3_OK) {
cb_data->status = REMOVE3res->status;
return;
}
delete_fhandle(cb_data->nfsio, cb_data->name);
cb_data->status = NFS3_OK;
}
nfsstat3 nfsio_remove(struct nfsio *nfsio, const char *name)
{
char *tmp_name, *ptr;
nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
tmp_name = strdupa(name);
if (tmp_name == NULL) {
fprintf(stderr, "failed to strdup name in nfsio_remove\n");
return NFS3ERR_SERVERFAULT;
}
ptr = rindex(tmp_name, '/');
if (ptr == NULL) {
fprintf(stderr, "name did not contain '/' in nfsio_remove\n");
return NFS3ERR_SERVERFAULT;
}
*ptr = 0;
ptr++;
fh = lookup_fhandle(nfsio, tmp_name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch parent handle in nfsio_remove\n");
return NFS3ERR_SERVERFAULT;
}
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
cb_data.name = discard_const(name);
set_xid_value(nfsio);
if (rpc_nfs_remove_async(nfs_get_rpc_context(nfsio->nfs),
nfsio_remove_cb, fh, ptr, &cb_data)) {
fprintf(stderr, "failed to send remove\n");
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_nfs_reply(nfsio->nfs, &cb_data);
return cb_data.status;
}
static void nfsio_write_cb(struct rpc_context *rpc _U_, int status,
void *data, void *private_data) {
struct WRITE3res *WRITE3res = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (WRITE3res->status != NFS3_OK) {
cb_data->status = WRITE3res->status;
return;
}
cb_data->status = NFS3_OK;
}
nfsstat3 nfsio_write(struct nfsio *nfsio, const char *name, char *buf, uint64_t offset, int len, int stable)
{
struct nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
fh = lookup_fhandle(nfsio, name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch handle in nfsio_write\n");
return NFS3ERR_SERVERFAULT;
}
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
set_xid_value(nfsio);
if (rpc_nfs_write_async(nfs_get_rpc_context(nfsio->nfs), nfsio_write_cb,
fh, buf, offset, len, stable, &cb_data)) {
fprintf(stderr, "failed to send write\n");
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_nfs_reply(nfsio->nfs, &cb_data);
return cb_data.status;
}
static void nfsio_read_cb(struct rpc_context *rpc _U_, int status,
void *data, void *private_data) {
struct READ3res *READ3res = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (READ3res->status != NFS3_OK) {
cb_data->status = READ3res->status;
return;
}
cb_data->status = NFS3_OK;
}
nfsstat3 nfsio_read(struct nfsio *nfsio, const char *name, char *buf _U_, uint64_t offset, int len)
{
struct nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
fh = lookup_fhandle(nfsio, name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch handle in nfsio_read\n");
return NFS3ERR_SERVERFAULT;
}
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
set_xid_value(nfsio);
if (rpc_nfs_read_async(nfs_get_rpc_context(nfsio->nfs), nfsio_read_cb,
fh, offset, len, &cb_data)) {
fprintf(stderr, "failed to send read\n");
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_nfs_reply(nfsio->nfs, &cb_data);
return cb_data.status;
}
void nfsio_lock_cb(struct rpc_context *rpc _U_, int status, void *data,
void *private_data)
{
struct NLM4_LOCKres *NLM4_LOCKres = data;
struct nfsio_cb_data *cb_data = private_data;
cb_data->is_finished = 1;
if (status != RPC_STATUS_SUCCESS) {
cb_data->status = NFS3ERR_SERVERFAULT;
return;
}
if (NLM4_LOCKres->status != NLM4_GRANTED) {
cb_data->status = NLM4_LOCKres->status;
return;
}
cb_data->status = NLM4_GRANTED;
}
nlmstat4 nfsio_lock(struct nfsio *nfsio, const char *name, uint64_t offset, int len)
{
struct nfs_fh3 *fh;
struct nfsio_cb_data cb_data;
struct NLM4_LOCKargs NLM4_LOCKargs;
uint32_t cookie = time(NULL) ^ getpid();
fh = lookup_fhandle(nfsio, name, NULL);
if (fh == NULL) {
fprintf(stderr, "failed to fetch handle in nfsio_lock\n");
return NFS3ERR_SERVERFAULT;
}
memset(&cb_data, 0, sizeof(cb_data));
cb_data.nfsio = nfsio;
memset(&NLM4_LOCKargs, 0, sizeof(NLM4_LOCKargs));
NLM4_LOCKargs.cookie.data.data_len = sizeof(cookie);
NLM4_LOCKargs.cookie.data.data_val = (char *)&cookie;
NLM4_LOCKargs.block = 0;
NLM4_LOCKargs.exclusive = 1;
NLM4_LOCKargs.lock.caller_name = "dbench";
NLM4_LOCKargs.lock.fh.data.data_len = fh->data.data_len;
NLM4_LOCKargs.lock.fh.data.data_val = fh->data.data_val;
NLM4_LOCKargs.lock.oh = "dbench";
NLM4_LOCKargs.lock.svid = nfsio->child;
NLM4_LOCKargs.lock.l_offset = offset;
NLM4_LOCKargs.lock.l_len = len;
NLM4_LOCKargs.reclaim = 0;
NLM4_LOCKargs.state = 0;
if (rpc_nlm4_lock_async(nfsio->nlm, nfsio_lock_cb,
&NLM4_LOCKargs, &cb_data)) {
fprintf(stderr, "failed to send lock\n");
return NFS3ERR_SERVERFAULT;
}
nfsio_wait_for_rpc_reply(nfsio->nlm, &cb_data);
return cb_data.status;
}
void nfsio_unlock_cb(struct rpc_context *rpc _U_, int status, void *data,
void *private_data)