diff options
Diffstat (limited to 'xlators/nfs/lib/src/msg-nfs3.c')
| -rw-r--r-- | xlators/nfs/lib/src/msg-nfs3.c | 558 |
1 files changed, 558 insertions, 0 deletions
diff --git a/xlators/nfs/lib/src/msg-nfs3.c b/xlators/nfs/lib/src/msg-nfs3.c new file mode 100644 index 00000000000..781466045db --- /dev/null +++ b/xlators/nfs/lib/src/msg-nfs3.c @@ -0,0 +1,558 @@ +/* + Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com> + This file is part of GlusterFS. + + GlusterFS 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. + + GlusterFS 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/>. +*/ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include <sys/uio.h> +#include <rpc/rpc.h> +#include <rpc/xdr.h> +#include <sys/types.h> + +#include "xdr-nfs3.h" +#include "msg-nfs3.h" +#include "xdr-common.h" + + +/* Decode the mount path from the network message in inmsg + * into the memory referenced by outpath.iov_base. + * The size allocated for outpath.iov_base is outpath.iov_len. + * The size of the path extracted from the message is returned. + */ +ssize_t +xdr_to_mountpath (struct iovec outpath, struct iovec inmsg) +{ + XDR xdr; + ssize_t ret = -1; + char *mntpath = NULL; + + if ((!outpath.iov_base) || (!inmsg.iov_base)) + return -1; + + xdrmem_create (&xdr, inmsg.iov_base, (unsigned int)inmsg.iov_len, + XDR_DECODE); + + mntpath = outpath.iov_base; + if (!xdr_dirpath (&xdr, (dirpath *)&mntpath)) { + ret = -1; + goto ret; + } + + ret = xdr_decoded_length (xdr); + +ret: + return ret; +} + + +ssize_t +xdr_serialize_generic (struct iovec outmsg, void *res, xdrproc_t proc) +{ + ssize_t ret = -1; + XDR xdr; + + if ((!outmsg.iov_base) || (!res) || (!proc)) + return -1; + + xdrmem_create (&xdr, outmsg.iov_base, (unsigned int)outmsg.iov_len, + XDR_ENCODE); + + if (!proc (&xdr, res)) { + ret = -1; + goto ret; + } + + ret = xdr_encoded_length (xdr); + +ret: + return ret; +} + + +ssize_t +xdr_to_generic (struct iovec inmsg, void *args, xdrproc_t proc) +{ + XDR xdr; + ssize_t ret = -1; + + if ((!inmsg.iov_base) || (!args) || (!proc)) + return -1; + + xdrmem_create (&xdr, inmsg.iov_base, (unsigned int)inmsg.iov_len, + XDR_DECODE); + + if (!proc (&xdr, args)) { + ret = -1; + goto ret; + } + + ret = xdr_decoded_length (xdr); +ret: + return ret; +} + + +ssize_t +xdr_to_generic_payload (struct iovec inmsg, void *args, xdrproc_t proc, + struct iovec *pendingpayload) +{ + XDR xdr; + ssize_t ret = -1; + + if ((!inmsg.iov_base) || (!args) || (!proc)) + return -1; + + xdrmem_create (&xdr, inmsg.iov_base, (unsigned int)inmsg.iov_len, + XDR_DECODE); + + if (!proc (&xdr, args)) { + ret = -1; + goto ret; + } + + ret = xdr_decoded_length (xdr); + + if (pendingpayload) { + pendingpayload->iov_base = xdr_decoded_remaining_addr (xdr); + pendingpayload->iov_len = xdr_decoded_remaining_len (xdr); + } + +ret: + return ret; +} + + +/* Translate the mountres3 structure in res into XDR format into memory + * referenced by outmsg.iov_base. + * Returns the number of bytes used in encoding into XDR format. + */ +ssize_t +xdr_serialize_mountres3 (struct iovec outmsg, mountres3 *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_mountres3); +} + + +ssize_t +xdr_serialize_mountbody (struct iovec outmsg, mountbody *mb) +{ + return xdr_serialize_generic (outmsg, (void *)mb, + (xdrproc_t)xdr_mountbody); +} + +ssize_t +xdr_serialize_mountlist (struct iovec outmsg, mountlist *ml) +{ + return xdr_serialize_generic (outmsg, (void *)ml, + (xdrproc_t)xdr_mountlist); +} + + +ssize_t +xdr_serialize_mountstat3 (struct iovec outmsg, mountstat3 *m) +{ + return xdr_serialize_generic (outmsg, (void *)m, + (xdrproc_t)xdr_mountstat3); +} + + +ssize_t +xdr_to_getattr3args (struct iovec inmsg, getattr3args *ga) +{ + return xdr_to_generic (inmsg, (void *)ga,(xdrproc_t)xdr_getattr3args); +} + + +ssize_t +xdr_serialize_getattr3res (struct iovec outmsg, getattr3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_getattr3res); +} + + +ssize_t +xdr_serialize_setattr3res (struct iovec outmsg, setattr3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_setattr3res); +} + + +ssize_t +xdr_to_setattr3args (struct iovec inmsg, setattr3args *sa) +{ + return xdr_to_generic (inmsg, (void *)sa, (xdrproc_t)xdr_setattr3args); +} + + +ssize_t +xdr_serialize_lookup3res (struct iovec outmsg, lookup3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_lookup3res); +} + + +ssize_t +xdr_to_lookup3args (struct iovec inmsg, lookup3args *la) +{ + return xdr_to_generic (inmsg, (void *)la, (xdrproc_t)xdr_lookup3args); +} + + +ssize_t +xdr_to_access3args (struct iovec inmsg, access3args *ac) +{ + return xdr_to_generic (inmsg,(void *)ac, (xdrproc_t)xdr_access3args); +} + + +ssize_t +xdr_serialize_access3res (struct iovec outmsg, access3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_access3res); +} + + +ssize_t +xdr_to_readlink3args (struct iovec inmsg, readlink3args *ra) +{ + return xdr_to_generic (inmsg, (void *)ra, (xdrproc_t)xdr_readlink3args); +} + + +ssize_t +xdr_serialize_readlink3res (struct iovec outmsg, readlink3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_readlink3res); +} + + +ssize_t +xdr_to_read3args (struct iovec inmsg, read3args *ra) +{ + return xdr_to_generic (inmsg, (void *)ra, (xdrproc_t)xdr_read3args); +} + + +ssize_t +xdr_serialize_read3res (struct iovec outmsg, read3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_read3res); +} + +ssize_t +xdr_serialize_read3res_nocopy (struct iovec outmsg, read3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_read3res_nocopy); +} + + +ssize_t +xdr_to_write3args (struct iovec inmsg, write3args *wa) +{ + return xdr_to_generic (inmsg, (void *)wa,(xdrproc_t)xdr_write3args); +} + + +ssize_t +xdr_to_write3args_nocopy (struct iovec inmsg, write3args *wa, + struct iovec *payload) +{ + return xdr_to_generic_payload (inmsg, (void *)wa, + (xdrproc_t)xdr_write3args, payload); +} + + +ssize_t +xdr_serialize_write3res (struct iovec outmsg, write3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_write3res); +} + + +ssize_t +xdr_to_create3args (struct iovec inmsg, create3args *ca) +{ + return xdr_to_generic (inmsg, (void *)ca, (xdrproc_t)xdr_create3args); +} + + +ssize_t +xdr_serialize_create3res (struct iovec outmsg, create3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_create3res); +} + + +ssize_t +xdr_serialize_mkdir3res (struct iovec outmsg, mkdir3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_mkdir3res); +} + + +ssize_t +xdr_to_mkdir3args (struct iovec inmsg, mkdir3args *ma) +{ + return xdr_to_generic (inmsg, (void *)ma, (xdrproc_t)xdr_mkdir3args); +} + + +ssize_t +xdr_to_symlink3args (struct iovec inmsg, symlink3args *sa) +{ + return xdr_to_generic (inmsg, (void *)sa, (xdrproc_t)xdr_symlink3args); +} + + +ssize_t +xdr_serialize_symlink3res (struct iovec outmsg, symlink3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_symlink3res); +} + + +ssize_t +xdr_to_mknod3args (struct iovec inmsg, mknod3args *ma) +{ + return xdr_to_generic (inmsg, (void *)ma, (xdrproc_t)xdr_mknod3args); +} + + +ssize_t +xdr_serialize_mknod3res (struct iovec outmsg, mknod3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_mknod3res); +} + + +ssize_t +xdr_to_remove3args (struct iovec inmsg, remove3args *ra) +{ + return xdr_to_generic (inmsg, (void *)ra, (xdrproc_t)xdr_remove3args); +} + + +ssize_t +xdr_serialize_remove3res (struct iovec outmsg, remove3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_remove3res); +} + + +ssize_t +xdr_to_rmdir3args (struct iovec inmsg, rmdir3args *ra) +{ + return xdr_to_generic (inmsg, (void *)ra, (xdrproc_t)xdr_rmdir3args); +} + + +ssize_t +xdr_serialize_rmdir3res (struct iovec outmsg, rmdir3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_rmdir3res); +} + + +ssize_t +xdr_serialize_rename3res (struct iovec outmsg, rename3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_rename3res); +} + + +ssize_t +xdr_to_rename3args (struct iovec inmsg, rename3args *ra) +{ + return xdr_to_generic (inmsg, (void *)ra, (xdrproc_t)xdr_rename3args); +} + + +ssize_t +xdr_serialize_link3res (struct iovec outmsg, link3res *li) +{ + return xdr_serialize_generic (outmsg, (void *)li, + (xdrproc_t)xdr_link3res); +} + + +ssize_t +xdr_to_link3args (struct iovec inmsg, link3args *la) +{ + return xdr_to_generic (inmsg, (void *)la, (xdrproc_t)xdr_link3args); +} + + +ssize_t +xdr_to_readdir3args (struct iovec inmsg, readdir3args *rd) +{ + return xdr_to_generic (inmsg, (void *)rd, (xdrproc_t)xdr_readdir3args); +} + + +ssize_t +xdr_serialize_readdir3res (struct iovec outmsg, readdir3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_readdir3res); +} + + +ssize_t +xdr_to_readdirp3args (struct iovec inmsg, readdirp3args *rp) +{ + return xdr_to_generic (inmsg, (void *)rp, (xdrproc_t)xdr_readdirp3args); +} + + +ssize_t +xdr_serialize_readdirp3res (struct iovec outmsg, readdirp3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_readdirp3res); +} + + +ssize_t +xdr_to_fsstat3args (struct iovec inmsg, fsstat3args *fa) +{ + return xdr_to_generic (inmsg, (void *)fa, (xdrproc_t)xdr_fsstat3args); +} + + +ssize_t +xdr_serialize_fsstat3res (struct iovec outmsg, fsstat3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_fsstat3res); +} + +ssize_t +xdr_to_fsinfo3args (struct iovec inmsg, fsinfo3args *fi) +{ + return xdr_to_generic (inmsg, (void *)fi, (xdrproc_t)xdr_fsinfo3args); +} + + +ssize_t +xdr_serialize_fsinfo3res (struct iovec outmsg, fsinfo3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_fsinfo3res); +} + + +ssize_t +xdr_to_pathconf3args (struct iovec inmsg, pathconf3args *pc) +{ + return xdr_to_generic (inmsg, (void *)pc, (xdrproc_t)xdr_pathconf3args);} + + +ssize_t +xdr_serialize_pathconf3res (struct iovec outmsg, pathconf3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_pathconf3res); +} + + +ssize_t +xdr_to_commit3args (struct iovec inmsg, commit3args *ca) +{ + return xdr_to_generic (inmsg, (void *)ca, (xdrproc_t)xdr_commit3args); +} + + +ssize_t +xdr_serialize_commit3res (struct iovec outmsg, commit3res *res) +{ + return xdr_serialize_generic (outmsg, (void *)res, + (xdrproc_t)xdr_commit3res); +} + + +ssize_t +xdr_serialize_exports (struct iovec outmsg, exports *elist) +{ + XDR xdr; + ssize_t ret = -1; + + if ((!outmsg.iov_base) || (!elist)) + return -1; + + xdrmem_create (&xdr, outmsg.iov_base, (unsigned int)outmsg.iov_len, + XDR_ENCODE); + + if (!xdr_exports (&xdr, elist)) + goto ret; + + ret = xdr_decoded_length (xdr); + +ret: + return ret; +} + + +ssize_t +xdr_serialize_nfsstat3 (struct iovec outmsg, nfsstat3 *s) +{ + return xdr_serialize_generic (outmsg, (void *)s, + (xdrproc_t)xdr_nfsstat3); +} + + +ssize_t +xdr_length_round_up (size_t len, size_t bufsize) +{ + int roundup = 0; + + roundup = len % XDR_BYTES_PER_UNIT; + if (roundup > 0) + roundup = XDR_BYTES_PER_UNIT - roundup; + + if ((roundup > 0) && ((roundup + len) <= bufsize)) + len += roundup; + + return len; +} + +int +xdr_bytes_round_up (struct iovec *vec, size_t bufsize) +{ + vec->iov_len = xdr_length_round_up (vec->iov_len, bufsize); + return 0; +} + |