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/*
* $Id: error.c,v 1.1 2005/03/31 13:13:00 baud Exp $
*/
/*
* Copyright (C) 1990-2004 by CERN-IT
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: error.c,v $ $Revision: 1.1 $ $Date: 2005/03/31 13:13:00 $ CERN/IT/PDP/DM Frederic Hemmer";
#endif /* not lint */
/* error.c Remote File I/O - error numbers and message handling */
/*
* System remote file I/O definitions
*/
#define RFIO_KERNEL 1
#include <Castor_limits.h>
#include "rfio.h"
#include <Cglobals.h>
#include <rfio_errno.h>
/*
* RFIO global error number.
*/
char *rfio_lasthost() ;
char *rfio_serror() ;
/*
* Get remote error string corresponding to code.
*/
char DLL_DECL *rfio_errmsg_r (s, code, buf, buflen)
int s;
int code;
char *buf;
size_t buflen;
{
char *p;
LONG len;
char msg[CA_MAXLINELEN+1];
char rfio_buf[CA_MAXLINELEN+1];
if( buf == NULL || buflen <=0 ) return NULL;
memset(buf, '\0', buflen);
INIT_TRACE("RFIO_TRACE");
TRACE(1, "rfio", "rfio_errmsg(%d, %d)",s,code) ;
p= rfio_buf ;
marshall_WORD(p, RFIO_MAGIC);
marshall_WORD(p, RQST_ERRMSG);
marshall_LONG(p, code);
TRACE(2,"rfio","rfio_errmsg: sending %d bytes",RQSTSIZE) ;
if (netwrite_timeout(s,rfio_buf,RQSTSIZE,RFIO_CTRL_TIMEOUT) != RQSTSIZE) {
TRACE(2, "rfio" ,"rfio_errmsg: write(): ERROR occured (errno=%d)", errno);
END_TRACE();
return((char *) NULL);
}
TRACE(2, "rfio", "rfio_errmsg: reading %d bytes", LONGSIZE);
if (netread_timeout(s,rfio_buf, LONGSIZE, RFIO_CTRL_TIMEOUT) != LONGSIZE) {
TRACE(2, "rfio" ,"rfio_errmsg: read(): ERROR occured (errno=%d)", errno);
END_TRACE();
return((char *) NULL);
}
p = rfio_buf ;
unmarshall_LONG(p, len);
TRACE(2, "rfio", "rfio_errmsg: reading %d bytes", len);
if (netread_timeout(s,rfio_buf,len,RFIO_CTRL_TIMEOUT) != len) {
TRACE(2, "rfio" ,"rfio_errmsg: read(): ERROR occured (errno=%d)", errno);
END_TRACE();
return((char *) NULL);
}
p= rfio_buf;
unmarshall_STRINGN(p, msg, CA_MAXLINELEN+1);
TRACE(1, "rfio", "rfio_errmsg: <%s>", msg);
END_TRACE();
strcpy(buf, msg);
return(buf);
}
static int rfio_error_key = -1;
char DLL_DECL *rfio_errmsg(s, code)
int s;
int code;
{
char *buf = NULL;
int buflen = CA_MAXLINELEN+1;
Cglobals_get(&rfio_error_key, (void **)&buf, buflen);
return(rfio_errmsg_r(s, code, buf, buflen));
}
char DLL_DECL *rfio_serror_r(buf, buflen) /* print an error message */
char *buf;
size_t buflen;
{
int s;
int last_rferr ; /* to preserve rfio_errno */
int last_err ; /* to preserve errno */
int last_serrno ; /* to preserve serrno */
int rt ; /* Request is from other network? */
char *rferrmsg ;
char rerrlist[CA_MAXLINELEN+1] ; /* Message from errlist */
if( buf == NULL || buflen <=0 ) return NULL;
memset(buf, '\0', buflen);
INIT_TRACE("RFIO_TRACE");
last_err = errno ;
last_rferr = rfio_errno ;
last_serrno = serrno ;
TRACE(2, "rfio", "rfio_serror: errno=%d, serrno=%d, rfio_errno=%d",
errno, serrno, rfio_errno);
END_TRACE();
if (last_serrno != 0) {
return ( sstrerror(serrno) );
}
else {
if (last_rferr != 0) {
if ((s=rfio_connect(rfio_lasthost(),&rt)) == -1) {
sprintf(rerrlist,"Unable to fetch remote error %d",last_rferr);
rfio_errno = last_rferr ;
strcpy(buf, rerrlist);
return (buf);
}
else {
if ( (rferrmsg = rfio_errmsg(s,last_rferr)) != NULL )
sprintf(rerrlist, "%s (error %d on %s)", rferrmsg, last_rferr, rfio_lasthost());
else
sprintf(rerrlist, " (error %d on %s)", last_rferr, rfio_lasthost());
netclose(s);
rfio_errno = last_rferr ;
strcpy(buf, rerrlist);
return (buf);
}
}
else {
if (serrno != 0) {
strcpy( buf, sstrerror(serrno));
return (buf);
}
else {
strcpy(buf, strerror(last_err));
return (buf);
}
}
}
}
int DLL_DECL rfio_serrno() /* get error number - return -1 if cannot get it */
{
int s;
int last_rferr ; /* to preserve rfio_errno */
int last_err ; /* to preserve errno */
int last_serrno ; /* to preserve serrno */
int rt ; /* Request is from other network? */
INIT_TRACE("RFIO_TRACE");
last_err = errno ;
last_rferr = rfio_errno ;
last_serrno = serrno ;
TRACE(2, "rfio", "rfio_serrno: errno=%d, serrno=%d, rfio_errno=%d",
errno, serrno, rfio_errno);
END_TRACE();
if (last_serrno != 0) {
return (serrno);
} else {
if (last_rferr != 0) {
rfio_errno = last_rferr ;
return (rfio_errno);
} else {
if (serrno != 0) {
return (serrno);
} else {
return (last_err);
}
}
}
}
static int rfio_serror_key = -1;
char DLL_DECL *rfio_serror()
{
char *buf = NULL;
int buflen = CA_MAXLINELEN+1;
Cglobals_get(&rfio_serror_key, (void **)&buf, buflen);
return(rfio_serror_r(buf, buflen));
}
void DLL_DECL rfio_perror(umsg)
char *umsg ;
{
char *errmsg ;
errmsg = rfio_serror();
if (errmsg != NULL )
fprintf(stderr,"%s : %s\n",umsg, errmsg);
else
fprintf(stderr,"%s : No error message\n",umsg);
}
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