void rozofs_ll_open_nb(fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi) {
ientry_t *ie = 0;
int ret;
void *buffer_p = NULL;
epgw_mfile_arg_t arg;
file_t *file = NULL;
errno = 0;
int trc_idx = rozofs_trc_req(srv_rozofs_ll_open,ino,NULL);
/*
** allocate a context for saving the fuse parameters
*/
buffer_p = rozofs_fuse_alloc_saved_context();
if (buffer_p == NULL)
{
severe("out of fuse saved context");
errno = ENOMEM;
goto error;
}
SAVE_FUSE_PARAM(buffer_p,req);
SAVE_FUSE_PARAM(buffer_p,ino);
SAVE_FUSE_PARAM(buffer_p,trc_idx);
SAVE_FUSE_STRUCT(buffer_p,fi,sizeof( struct fuse_file_info));
START_PROFILING_NB(buffer_p,rozofs_ll_open);
DEBUG("open (%lu)\n", (unsigned long int) ino);
if (!(ie = get_ientry_by_inode(ino))) {
errno = ENOENT;
goto error;
}
/*
** check if it is configured in block mode, in that case we avoid
** a transaction with the exportd
*/
if ((rozofs_mode == 1) ||
((ie->timestamp+rozofs_tmr_get(TMR_FUSE_ATTR_CACHE)*1000000) > rozofs_get_ticker_us()))
{
/*
** allocate a context for the file descriptor
*/
file = rozofs_file_working_var_init(ie,ie->fid);
if (rozofs_cache_mode == 1)
fi->direct_io = 1;
else
{
if (rozofs_cache_mode == 2)
fi->keep_cache = 1;
}
fi->fh = (unsigned long) file;
/*
** update the statistics
*/
rzkpi_file_stat_update(ie->pfid,(int)0,RZKPI_OPEN);
/*
** send back response to fuse
*/
fuse_reply_open(req, fi);
goto out;
}
/*
** get the attributes of the file
*/
arg.arg_gw.eid = exportclt.eid;
memcpy(arg.arg_gw.fid, ie->fid, sizeof (uuid_t));
/*
** now initiates the transaction towards the remote end
*/
#if 1
ret = rozofs_expgateway_send_routing_common(arg.arg_gw.eid,ie->fid,EXPORT_PROGRAM, EXPORT_VERSION,
EP_GETATTR,(xdrproc_t) xdr_epgw_mfile_arg_t,(void *)&arg,
rozofs_ll_open_cbk,buffer_p);
#else
ret = rozofs_export_send_common(&exportclt,EXPORT_PROGRAM, EXPORT_VERSION,
EP_GETATTR,(xdrproc_t) xdr_epgw_mfile_arg_t,(void *)&arg,
rozofs_ll_open_cbk,buffer_p);
#endif
if (ret < 0) goto error;
/*
** no error just waiting for the answer
*/
return;
error:
fuse_reply_err(req, errno);
/*
** release the buffer if has been allocated
*/
out:
rozofs_trc_rsp_attr(srv_rozofs_ll_open,(fuse_ino_t)file,(ie==NULL)?NULL:ie->attrs.fid,(errno==0)?0:1,(ie==NULL)?-1:ie->attrs.size,trc_idx);
STOP_PROFILING_NB(buffer_p,rozofs_ll_open);
if (buffer_p != NULL) rozofs_fuse_release_saved_context(buffer_p);
return;
}
void rozofs_ll_create_nb(fuse_req_t req, fuse_ino_t parent, const char *name,
mode_t mode, struct fuse_file_info *fi)
{
ientry_t *ie = 0;
const struct fuse_ctx *ctx;
ctx = fuse_req_ctx(req);
epgw_mknod_arg_t arg;
int ret;
void *buffer_p = NULL;
int trc_idx = rozofs_trc_req_name(srv_rozofs_ll_create,parent,(char*)name);
/*
** allocate a context for saving the fuse parameters
*/
buffer_p = rozofs_fuse_alloc_saved_context();
if (buffer_p == NULL)
{
severe("out of fuse saved context");
errno = ENOMEM;
goto error;
}
SAVE_FUSE_PARAM(buffer_p,req);
SAVE_FUSE_PARAM(buffer_p,parent);
SAVE_FUSE_STRING(buffer_p,name);
SAVE_FUSE_PARAM(buffer_p,mode);
SAVE_FUSE_PARAM(buffer_p,trc_idx);
SAVE_FUSE_STRUCT(buffer_p,fi,sizeof( struct fuse_file_info));
START_PROFILING_NB(buffer_p,rozofs_ll_create);
DEBUG("create (%lu,%s,%04o)\n", (unsigned long int) parent, name,
(unsigned int) mode);
if (strlen(name) > ROZOFS_FILENAME_MAX) {
errno = ENAMETOOLONG;
goto error;
}
if (!(ie = get_ientry_by_inode(parent))) {
errno = ENOENT;
goto error;
}
/*
** fill up the structure that will be used for creating the xdr message
*/
arg.arg_gw.eid = exportclt.eid;
memcpy(arg.arg_gw.parent,ie->fid, sizeof (uuid_t));
arg.arg_gw.name = (char*)name;
arg.arg_gw.uid = ctx->uid;
arg.arg_gw.gid = ctx->gid;
arg.arg_gw.mode = mode;
arg.hdr.gateway_rank = rozofs_get_site_number();
/*
** now initiates the transaction towards the remote end
*/
#if 1
ret = rozofs_expgateway_send_routing_common(arg.arg_gw.eid,ie->fid,EXPORT_PROGRAM, EXPORT_VERSION,
EP_MKNOD,(xdrproc_t) xdr_epgw_mknod_arg_t,(void *)&arg,
rozofs_ll_create_cbk,buffer_p);
#else
ret = rozofs_export_send_common(&exportclt,EXPORT_PROGRAM, EXPORT_VERSION,
EP_MKNOD,(xdrproc_t) xdr_epgw_mknod_arg_t,(void *)&arg,
rozofs_ll_create_cbk,buffer_p);
#endif
if (ret < 0) goto error;
/*
** no error just waiting for the answer
*/
return;
error:
fuse_reply_err(req, errno);
rozofs_trc_rsp(srv_rozofs_ll_create,parent,NULL,1,trc_idx);
STOP_PROFILING_NB(buffer_p,rozofs_ll_create);
if (buffer_p != NULL) rozofs_fuse_release_saved_context(buffer_p);
return;
}
void rozofs_ll_setxattr_nb(fuse_req_t req, fuse_ino_t ino, const char *name, const char *value, size_t size, int flags)
{
ientry_t *ie = 0;
int ret;
void *buffer_p = NULL;
epgw_setxattr_arg_t arg;
DEBUG("setxattr (inode: %lu, name: %s, value: %s, size: %llu)\n",
(unsigned long int) ino, name, value,
(unsigned long long int) size);
/*
** allocate a context for saving the fuse parameters
*/
int trc_idx = rozofs_trc_req_name(srv_rozofs_ll_setxattr,ino,(char*)name);
buffer_p = rozofs_fuse_alloc_saved_context();
if (buffer_p == NULL)
{
severe("out of fuse saved context");
errno = ENOMEM;
goto error;
}
START_PROFILING_NB(buffer_p,rozofs_ll_setxattr);
if (!(ie = get_ientry_by_inode(ino))) {
errno = ENOENT;
goto error;
}
SAVE_FUSE_PARAM(buffer_p,req);
SAVE_FUSE_PARAM(buffer_p,ino);
SAVE_FUSE_PARAM(buffer_p,trc_idx);
// Invalidate ientry
if ((strcmp(name,ROZOFS_XATTR)==0)||(strcmp(name,ROZOFS_USER_XATTR)==0)||(strcmp(name,ROZOFS_ROOT_XATTR)==0)) {
ie->timestamp=0;
}
/*
** update the mode at the ientry level when it extended attribute is ACL
*/
rozofs_acl_access_check(name,value,size,(mode_t*)&ie->attrs.mode);
/*
** Set xattr indicator in ientry
*/
rozofs_set_xattr_flag(&ie->attrs.mode);
/*
** fill up the structure that will be used for creating the xdr message
*/
arg.arg_gw.eid = exportclt.eid;
memcpy(arg.arg_gw.fid, ie->fid, sizeof (uuid_t));
arg.arg_gw.name = (char *)name;
arg.arg_gw.value.value_len = size;
arg.arg_gw.value.value_val = (char *)value;
arg.arg_gw.flags = flags;
/*
** now initiates the transaction towards the remote end
*/
#if 1
ret = rozofs_expgateway_send_routing_common(arg.arg_gw.eid,(unsigned char*)arg.arg_gw.fid,EXPORT_PROGRAM, EXPORT_VERSION,
EP_SETXATTR,(xdrproc_t) xdr_epgw_setxattr_arg_t,(void *)&arg,
rozofs_ll_setxattr_cbk,buffer_p);
#else
ret = rozofs_export_send_common(&exportclt,ROZOFS_TMR_GET(TMR_EXPORT_PROGRAM),EXPORT_PROGRAM, EXPORT_VERSION,
EP_SETXATTR,(xdrproc_t) xdr_epgw_setxattr_arg_t,(void *)&arg,
rozofs_ll_setxattr_cbk,buffer_p);
#endif
if (ret < 0) goto error;
/*
** no error just waiting for the answer
*/
return;
error:
fuse_reply_err(req, errno);
/*
** release the buffer if has been allocated
*/
rozofs_trc_rsp(srv_rozofs_ll_setxattr,ino,NULL,1,trc_idx);
STOP_PROFILING_NB(buffer_p,rozofs_ll_setxattr);
if (buffer_p != NULL) rozofs_fuse_release_saved_context(buffer_p);
return;
}
