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File name : nfs_prot.x

Content :/* @(#)nfs_prot.x 2.1 88/08/01 4.0 RPCSRC */ /* * nfs_prot.x 1.2 87/10/12 * Copyright (c) 2010, Oracle America, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the "Oracle America, Inc." nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ const NFS_PORT = 2049; const NFS_MAXDATA = 8192; const NFS_MAXPATHLEN = 1024; const NFS_MAXNAMLEN = 255; const NFS_FHSIZE = 32; const NFS_COOKIESIZE = 4; const NFS_FIFO_DEV = -1; /* size kludge for named pipes */ /* * File types */ const NFSMODE_FMT = 0170000; /* type of file */ const NFSMODE_DIR = 0040000; /* directory */ const NFSMODE_CHR = 0020000; /* character special */ const NFSMODE_BLK = 0060000; /* block special */ const NFSMODE_REG = 0100000; /* regular */ const NFSMODE_LNK = 0120000; /* symbolic link */ const NFSMODE_SOCK = 0140000; /* socket */ const NFSMODE_FIFO = 0010000; /* fifo */ /* * Error status */ enum nfsstat { NFS_OK= 0, /* no error */ NFSERR_PERM=1, /* Not owner */ NFSERR_NOENT=2, /* No such file or directory */ NFSERR_IO=5, /* I/O error */ NFSERR_NXIO=6, /* No such device or address */ NFSERR_ACCES=13, /* Permission denied */ NFSERR_EXIST=17, /* File exists */ NFSERR_NODEV=19, /* No such device */ NFSERR_NOTDIR=20, /* Not a directory*/ NFSERR_ISDIR=21, /* Is a directory */ NFSERR_FBIG=27, /* File too large */ NFSERR_NOSPC=28, /* No space left on device */ NFSERR_ROFS=30, /* Read-only file system */ NFSERR_NAMETOOLONG=63, /* File name too long */ NFSERR_NOTEMPTY=66, /* Directory not empty */ NFSERR_DQUOT=69, /* Disc quota exceeded */ NFSERR_STALE=70, /* Stale NFS file handle */ NFSERR_WFLUSH=99 /* write cache flushed */ }; /* * File types */ enum ftype { NFNON = 0, /* non-file */ NFREG = 1, /* regular file */ NFDIR = 2, /* directory */ NFBLK = 3, /* block special */ NFCHR = 4, /* character special */ NFLNK = 5, /* symbolic link */ NFSOCK = 6, /* unix domain sockets */ NFBAD = 7, /* unused */ NFFIFO = 8 /* named pipe */ }; /* * File access handle */ struct nfs_fh { opaque data[NFS_FHSIZE]; }; /* * Timeval */ struct nfstime { unsigned seconds; unsigned useconds; }; /* * File attributes */ struct fattr { ftype type; /* file type */ unsigned mode; /* protection mode bits */ unsigned nlink; /* # hard links */ unsigned uid; /* owner user id */ unsigned gid; /* owner group id */ unsigned size; /* file size in bytes */ unsigned blocksize; /* preferred block size */ unsigned rdev; /* special device # */ unsigned blocks; /* Kb of disk used by file */ unsigned fsid; /* device # */ unsigned fileid; /* inode # */ nfstime atime; /* time of last access */ nfstime mtime; /* time of last modification */ nfstime ctime; /* time of last change */ }; /* * File attributes which can be set */ struct sattr { unsigned mode; /* protection mode bits */ unsigned uid; /* owner user id */ unsigned gid; /* owner group id */ unsigned size; /* file size in bytes */ nfstime atime; /* time of last access */ nfstime mtime; /* time of last modification */ }; typedef string filename<NFS_MAXNAMLEN>; typedef string nfspath<NFS_MAXPATHLEN>; /* * Reply status with file attributes */ union attrstat switch (nfsstat status) { case NFS_OK: fattr attributes; default: void; }; struct sattrargs { nfs_fh file; sattr attributes; }; /* * Arguments for directory operations */ struct diropargs { nfs_fh dir; /* directory file handle */ filename name; /* name (up to NFS_MAXNAMLEN bytes) */ }; struct diropokres { nfs_fh file; fattr attributes; }; /* * Results from directory operation */ union diropres switch (nfsstat status) { case NFS_OK: diropokres diropres; default: void; }; union readlinkres switch (nfsstat status) { case NFS_OK: nfspath data; default: void; }; /* * Arguments to remote read */ struct readargs { nfs_fh file; /* handle for file */ unsigned offset; /* byte offset in file */ unsigned count; /* immediate read count */ unsigned totalcount; /* total read count (from this offset)*/ }; /* * Status OK portion of remote read reply */ struct readokres { fattr attributes; /* attributes, need for pagin*/ opaque data<NFS_MAXDATA>; }; union readres switch (nfsstat status) { case NFS_OK: readokres reply; default: void; }; /* * Arguments to remote write */ struct writeargs { nfs_fh file; /* handle for file */ unsigned beginoffset; /* beginning byte offset in file */ unsigned offset; /* current byte offset in file */ unsigned totalcount; /* total write count (to this offset)*/ opaque data<NFS_MAXDATA>; }; struct createargs { diropargs where; sattr attributes; }; struct renameargs { diropargs from; diropargs to; }; struct linkargs { nfs_fh from; diropargs to; }; struct symlinkargs { diropargs from; nfspath to; sattr attributes; }; typedef opaque nfscookie[NFS_COOKIESIZE]; /* * Arguments to readdir */ struct readdirargs { nfs_fh dir; /* directory handle */ nfscookie cookie; unsigned count; /* number of directory bytes to read */ }; struct entry { unsigned fileid; filename name; nfscookie cookie; entry *nextentry; }; struct dirlist { entry *entries; bool eof; }; union readdirres switch (nfsstat status) { case NFS_OK: dirlist reply; default: void; }; struct statfsokres { unsigned tsize; /* preferred transfer size in bytes */ unsigned bsize; /* fundamental file system block size */ unsigned blocks; /* total blocks in file system */ unsigned bfree; /* free blocks in fs */ unsigned bavail; /* free blocks avail to non-superuser */ }; union statfsres switch (nfsstat status) { case NFS_OK: statfsokres reply; default: void; }; /* * Remote file service routines */ program NFS_PROGRAM { version NFS_VERSION { void NFSPROC_NULL(void) = 0; attrstat NFSPROC_GETATTR(nfs_fh) = 1; attrstat NFSPROC_SETATTR(sattrargs) = 2; void NFSPROC_ROOT(void) = 3; diropres NFSPROC_LOOKUP(diropargs) = 4; readlinkres NFSPROC_READLINK(nfs_fh) = 5; readres NFSPROC_READ(readargs) = 6; void NFSPROC_WRITECACHE(void) = 7; attrstat NFSPROC_WRITE(writeargs) = 8; diropres NFSPROC_CREATE(createargs) = 9; nfsstat NFSPROC_REMOVE(diropargs) = 10; nfsstat NFSPROC_RENAME(renameargs) = 11; nfsstat NFSPROC_LINK(linkargs) = 12; nfsstat NFSPROC_SYMLINK(symlinkargs) = 13; diropres NFSPROC_MKDIR(createargs) = 14; nfsstat NFSPROC_RMDIR(diropargs) = 15; readdirres NFSPROC_READDIR(readdirargs) = 16; statfsres NFSPROC_STATFS(nfs_fh) = 17; } = 2; } = 100003;

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