/* ********************************************************************** *\ * Copyright IBM Corporation 1988,1991 - All Rights Reserved * * For full copyright information see:'andrew/config/COPYRITE' * \* ********************************************************************** */ /* $Disclaimer: * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and that * both that copyright notice, this permission notice, and the following * disclaimer appear in supporting documentation, and that the names of * IBM, Carnegie Mellon University, and other copyright holders, not be * used in advertising or publicity pertaining to distribution of the software * without specific, written prior permission. * * IBM, CARNEGIE MELLON UNIVERSITY, AND THE OTHER COPYRIGHT HOLDERS * DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT * SHALL IBM, CARNEGIE MELLON UNIVERSITY, OR ANY OTHER COPYRIGHT HOLDER * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. * $ */ #ifndef NORCSID #define NORCSID static char rcsid[]="$Header: /afs/cs.cmu.edu/project/atk-dist/auis-6.3/overhead/util/lib/RCS/thiscell.c,v 2.15 1993/05/04 00:53:32 susan Exp $"; #endif #include #include #include #include /* strings.h */ #include #include #include #ifdef AFS_ENV #include #include #include #include #include #include #include #endif /* AFS_ENV */ #define MAXSIZE 200 #ifndef _IBMR2 extern char *malloc(); #endif /* _IBMR2 */ extern int errno; /* * GetCurrentWSCell * * Description: * Return the string name of the cell to which the current workstation belongs. * * Arguments: * Buf : Pointer to character buffer in which we'll place the name of * the workstation's cell. * size : The max size available in the buffer. * * Returns: * Any of the standard system error return codes. Expected values are: * 0 if everything went well. * EINVAL if the AFS basename used was wrong. * ENOENT ditto * EDOM if there wasn't enough room in the user's buffer. * * Side Effects: * Nothing interesting. */ int GetCurrentWSCell(Buf, size) char *Buf; int size; { char *CellName; long code; /* Result of pioctl() call */ #ifdef AFS_ENV struct ViceIoctl blob; /* I/O control area for Venus communication */ char vcommbuff[MAXSIZE]; /* Communication buffer */ #endif /* AFS_ENV */ CheckServiceConfiguration(); #ifdef AFS_ENV if (AMS_ViceIsRunning) { /* * Prepare the pioctl I/O block. */ blob.in_size = 0; blob.in = 0; blob.out_size = MAXSIZE; blob.out = vcommbuff; code = pioctl(ViceFile, _VICEIOCTL(31), &blob, 1); CellName = vcommbuff; } else #endif /* AFS_ENV */ { CellName = ThisDomain; code = 0; } if (code == 0) { /* * Copy out the cell name into the supplied buffer if there's room. */ if (size > strlen(CellName)) strcpy(Buf, CellName); else { Buf[0] = '\0'; /*Put null string in buffer */ code = EDOM; } } else if (code < 0) code = errno; return(code); } /* * GetCellFromFileName * * Description: * Given a file name, return the string name of the cell in which that file resides. * * Arguments: * FileName : Name of the file to locate. * Buf : Pointer to character buffer in which we'll place the name of * the cell hosting the above file. * size : The max size available in the buffer. * * Returns: * Any of the standard system error return codes. Expected values are: * 0 if everything went well. * EINVAL if the AFS basename used was wrong. * ENOENT ditto, or if the file couldn't be found in AFS. * EDOM if there wasn't enough room in the user's buffer. * * Side Effects: * Nothing interesting. */ int GetCellFromFileName(FileName, Buf, size) char *FileName; char *Buf; int size; { char *CellName; long code; /* Result of pioctl() call */ #ifdef AFS_ENV struct ViceIoctl blob; /* I/O control area for Venus communication */ char vcommbuff[MAXSIZE]; /* Communication buffer */ #endif /* AFS_ENV */ CheckServiceConfiguration(); #ifdef AFS_ENV if (AMS_ViceIsRunning) { /* Prepare the pioctl I/O block. */ blob.in_size = strlen(FileName) + 1; blob.in = FileName; blob.out_size = MAXSIZE; blob.out = vcommbuff; code = pioctl(FileName, _VICEIOCTL(30), &blob, 1); CellName = vcommbuff; } else #endif /* AFS_ENV */ { CellName = ThisDomain; code = 0; } if (code == 0) { /* * Copy out the file's host cell name into the supplied buffer if there's room. */ if (size > strlen(CellName)) strcpy(Buf, CellName); else { Buf[0] = '\0'; /*Put null string in buffer */ code = EDOM; } } else if (code < 0) code = errno; return(code); } #ifdef TESTINGONLYTESTING main() { char Foo[5000]; int retcode, Ix; static char *FNs[] = {"/afs/andrew.cmu.edu/service/mailqs", "/afs/.psy.cmu.edu", "/afs/nosuchthing", "/tmp"}; #define numFNs (sizeof(FNs) / sizeof(FNs[0])) fprintf(stderr, "\nTesting the pioctl support for Cellular AMS.\n\n"); fprintf(stderr, "Getting this workstation's home cell...\n"); retcode = GetCurrentWSCell(Foo, sizeof(Foo)); if (retcode == 0) fprintf(stderr, "\tHome cell is '%s'\n", Foo); else fprintf(stderr, "GetCurrentWSCell: %s\n", UnixError(retcode)); fprintf(stderr, "Finding out where files live...\n"); for (Ix = 0; Ix < numFNs; ++Ix) { retcode = GetCellFromFileName(FNs[Ix], Foo, sizeof(Foo)); if (retcode == 0) fprintf(stderr, "\t%s:\t'%s'\n", FNs[Ix], Foo); else fprintf(stderr, "GetCellFromFileName(``%s''): %s\n", FNs[Ix], UnixError(retcode)); } } #endif /* TESTINGONLYTESTING */