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/*
* $Id: xywrite.c 3172 2010-02-15 08:51:54Z baud $
*/
/*
* Copyright (C) 1990-2010 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: xywrite.c,v $ $Revision: 3172 $ $Date: 2010-02-15 09:51:54 +0100 (Mon, 15 Feb 2010) $ CERN/IT/PDP/DM Frederic Hemmer";
#endif /* not lint */
/* xywrite.c Remote File I/O - Write a Fortran Logical Unit */
/*
* C bindings :
*
* rfio_xywrite(int lun, char *buf, int nrec, int nwrit,
* char *chopt, int *irc);
*
* FORTRAN bindings :
*
* XYWRITE(INTEGER*4 LUN, CHARACTER*(*)BUF, INTEGER*4 NREC,
* INTEGER*4 NWANT, INTEGER*4 NGOT, CHARACTER*(*)CHOPT,
* INTEGER*4 IRC)
*/
#define RFIO_KERNEL 1 /* system part of Remote File I/O */
#include "rfio.h" /* remote file I/O definitions */
#include <stdlib.h>
extern int DLL_DECL switch_write();
int DLL_DECL
rfio_xywrite(lun, buf, nrec, nwrit, chopt, irc)
int lun, nrec, nwrit;
char *buf, *chopt;
int *irc;
{
char buffer[128]; /* general purpose buffer */
register char *p=buf; /* buffer pointer */
int optval; /* setsockopt() value */
int status; /* Fortran status */
int rcode; /* Remote return code */
int acc;
register int i; /* general purpose index */
TRACE(1, "rfio", "rfio_xywrite(%d, %x, %d, %d, %s, %x)",
lun, buf, nrec, nwrit, chopt, irc);
if (ftnlun[lun] == (RFILE *) NULL) { /* Allocated ? */
TRACE(1, "rfio", "rfio_xywrite: %s", "Bad file number");
END_TRACE();
return(EBADF);
}
TRACE(2, "rfio", "rfio_xywrite: parsing options: [%s]",chopt);
for (i=0;i< (int)strlen(chopt);i++) {
switch (chopt[i]) {
case ' ': break;
default :
*irc = SEBADFOPT;
END_TRACE();
return(SEBADFOPT);
}
}
if (!strcmp(ftnlun[lun]->host, "localhost")) { /* Local file ? */
acc = (int) ftnlun[lun]->access;
*irc = switch_write(acc, &lun, buf, &nwrit, &nrec, LLM);
END_TRACE();
return(*irc);
}
p = buffer;
marshall_WORD(p, RFIO_MAGIC);
marshall_WORD(p, RQST_XYWRIT);
marshall_LONG(p, nrec);
marshall_LONG(p, nwrit);
TRACE(2,"rfio","rfio_xywrite: sending %d bytes",RQSTSIZE) ;
if (netwrite_timeout(ftnlun[lun]->s,buffer,RQSTSIZE,RFIO_CTRL_TIMEOUT) != RQSTSIZE) {
TRACE(2, "rfio" ,"rfio_xywrite: write(): ERROR occured (errno=%d)", errno);
END_TRACE();
if ( serrno )
return ( serrno ) ;
else
return(errno);
}
if (ftnlun[lun]->bufsize < nwrit) {
optval = nwrit;
TRACE(2, "rfio", "rfio_xywrite: setsockopt(SOL_SOCKET, SO_SNDBUF): %d", optval);
ftnlun[lun]->bufsize = nwrit;
if (setsockopt(ftnlun[lun]->s, SOL_SOCKET, SO_SNDBUF, (char *)&optval, sizeof(optval)) == -1) {
TRACE(2, "rfio" ,"rfio_xywrite: setsockopt(SO_SNDBUF): ERROR");
}
}
p = buffer;
TRACE(2, "rfio", "rfio_xywrite: writing %d bytes", nwrit);
if (netwrite_timeout(ftnlun[lun]->s, buf, nwrit, RFIO_DATA_TIMEOUT) != nwrit) {
TRACE(2, "rfio" ,"rfio_xywrite: write(): ERROR occured (errno=%d)", errno);
END_TRACE();
if ( serrno )
return ( serrno ) ;
else
return(errno);
}
TRACE(2, "rfio", "rfio_xywrite: reading %d bytes", 2*LONGSIZE);
if (netread_timeout(ftnlun[lun]->s, buffer, 2*LONGSIZE, RFIO_CTRL_TIMEOUT) != (2*LONGSIZE)) {
TRACE(2, "rfio" ,"rfio_xywrite: read(): ERROR occured (errno=%d)", errno);
END_TRACE();
if ( serrno )
return ( serrno );
else
return(errno);
}
p = buffer;
unmarshall_LONG(p, status);
unmarshall_LONG(p, rcode);
TRACE(1, "rfio", "rfio_xywrite: status %d, rcode %d", status, rcode);
if ( rcode > SEBASEOFF )
serrno = rcode ;
else
rfio_errno = rcode;
return(*irc = status);
}
/*
* Fortran wrapper
*/
#if (defined(hpux) && !defined(PPU)) || (defined(_AIX) && !defined(EXTNAME))
#define xywrit_ xywrit
#endif /* hpux && !PPU || AIX && !EXTNAME */
#if defined(_WIN32)
void DLL_DECL _stdcall XYWRIT(flun, fbuf, fnrec, fnwrit, fchopt, fchoptl, firc)
#else
void xywrit_(flun, fbuf, fnrec, fnwrit, fchopt, firc, fchoptl)
#endif
int *flun, *fnrec, *fnwrit, *firc;
char *fbuf, *fchopt;
int fchoptl;
{
char *chopt; /* xywrite options */
int status; /* xywrite return status */
INIT_TRACE("RFIO_TRACE");
if ((chopt = malloc((unsigned) fchoptl+1)) == NULL) {
*firc = -errno;
END_TRACE();
return;
}
strncpy(chopt, fchopt, fchoptl); chopt[fchoptl] = '\0';
TRACE(1, "rfio", "XYWRIT(%d, %x, %d, %d, %s, %x)",
*flun, fbuf, *fnrec, *fnwrit, chopt, firc);
status = rfio_xywrite(*flun, fbuf, *fnrec, *fnwrit, chopt, firc);
if (status) *firc = -status; /* system errors have precedence */
TRACE(1, "rfio", "XYWRIT: status: %d, irc: %d",status,*firc);
END_TRACE();
(void) free(chopt);
return;
}
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