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/*
* $Id: close.c,v 1.3 2005/04/08 05:42:35 baud Exp $
*/
/*
* Copyright (C) 1990-2005 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: close.c,v $ $Revision: 1.3 $ $Date: 2005/04/08 05:42:35 $ CERN/IT/PDP/DM F. Hemmer, A. Trannoy, F. Hassine";
#endif /* not lint */
/* close.c Remote File I/O - close a file */
#define RFIO_KERNEL 1
#include "Castor_limits.h"
#include "rfio.h"
#include "rfio_rfilefdt.h"
#include <stdlib.h> /* malloc prototype */
/*
* remote file close
*/
int DLL_DECL rfio_close(s)
int s;
{
char rfio_buf[BUFSIZ];
int s_index;
/* Remote file ? */
if ((s_index = rfio_rfilefdt_findentry(s,FINDRFILE_WITHOUT_SCAN)) != -1)
{
if (rfilefdt[s_index]->version3 == 1)
{
/* New V3 stream protocol for sequential transfers */
return(rfio_close_v3(s));
}
else
return(rfio_close_v2(s));
}
else
return(rfio_close_v2(s));
}
int rfio_close_v2(s)
int s;
{
char rfio_buf[BUFSIZ] ;
char * p ;
int HsmType, status, status1;
struct {
unsigned int rcount; /* read() count */
unsigned int wcount; /* write() count */
unsigned int rbcount;/* byte(s) read */
unsigned int wbcount;/* byte(s) written */
} iostatbuf ;
char * trp ; /* Pointer to a temporary buffer */
int temp= 0 ; /* A temporary buffer has been allocated */
int s_index;
int save_errno;
/* Avoiding Valgrind error messages about uninitialized data */
memset(rfio_buf, 0, BUFSIZ);
INIT_TRACE("RFIO_TRACE");
TRACE(1, "rfio", "rfio_close(%d)", s);
/*
* Check if file is Hsm. For CASTOR HSM files, the file is
* closed using normal RFIO (local or remote) close().
*/
HsmType = rfio_HsmIf_GetHsmType(s,NULL);
if ( HsmType > 0 && HsmType != RFIO_HSM_CNS ) {
status = rfio_HsmIf_close(s);
END_TRACE() ;
return(status);
}
/*
* The file is local
*/
if ((s_index = rfio_rfilefdt_findentry(s,FINDRFILE_WITHOUT_SCAN)) == -1) {
char r_token[CA_MAXDPMTOKENLEN+1];
char upath[CA_MAXHOSTNAMELEN+CA_MAXPATHLEN+2];
if ( HsmType == RFIO_HSM_CNS )
status1 = rfio_HsmIf_getipath(s,upath,r_token);
TRACE(2, "rfio", "rfio_close: using local close(%d)",s) ;
status= close(s) ;
if ( status < 0 ) serrno = 0;
save_errno = errno;
#if defined (CLIENTLOG)
/* Client logging */
rfio_logcl(s);
#endif
if ( HsmType == RFIO_HSM_CNS ) {
if ( status1 == 1 ) {
status1 = rfio_HsmIf_reqtoput(upath,r_token);
if ( status1 == 0 ) errno = save_errno;
}
} else {
status1 = 0;
}
END_TRACE() ;
rfio_errno = 0;
return (status ? status : status1) ;
}
#if defined (CLIENTLOG)
/* Client logging */
rfio_logcl(s);
#endif
/*
* Checking magic number
*/
if ( rfilefdt[s_index]->magic != RFIO_MAGIC ) {
serrno = SEBADVERSION ;
rfio_rfilefdt_freeentry(s_index);
(void) close(s) ;
END_TRACE();
return(-1);
}
/*
* Sending request.
*/
memset(rfio_buf, 0, BUFSIZ);
p= rfio_buf ;
marshall_WORD(p, RFIO_MAGIC);
marshall_WORD(p, RQST_CLOSE);
TRACE(2, "rfio", "rfio_close: sending %d bytes",RQSTSIZE) ;
if (netwrite_timeout(s, rfio_buf,RQSTSIZE,RFIO_CTRL_TIMEOUT) != RQSTSIZE) {
TRACE(2, "rfio", "rfio_close: write(): ERROR occured (errno=%d)", errno);
(void) rfio_cleanup(s) ;
END_TRACE() ;
return -1 ;
}
/*
* Getting data from the network.
*/
for(;;) {
WORD req ;
LONG rcode ;
LONG msgsiz ;
TRACE(2, "rfio", "rfio_close: reading %d bytes",rfilefdt[s_index]->_iobuf.hsize) ;
if (netread_timeout(s,rfio_buf,rfilefdt[s_index]->_iobuf.hsize,RFIO_DATA_TIMEOUT) != rfilefdt[s_index]->_iobuf.hsize) {
TRACE(2, "rfio", "rfio_close: read(): ERROR occured (errno=%d)", errno);
if ( temp ) (void) free(trp) ;
(void)rfio_cleanup(s) ;
END_TRACE() ;
return -1 ;
}
p = rfio_buf ;
unmarshall_WORD(p,req) ;
unmarshall_LONG(p,status) ;
unmarshall_LONG(p, rcode) ;
unmarshall_LONG(p,msgsiz) ;
rfio_errno = rcode ;
switch(req) {
case RQST_CLOSE:
if ( temp ) (void) free(trp) ;
status1 = rfio_cleanup(s) ;
TRACE(1, "rfio", "rfio_close: return status=%d, rcode=%d",status,rcode) ;
END_TRACE() ;
return (status ? status : status1) ;
case RQST_READAHEAD:
case RQST_READAHD64:
case RQST_LASTSEEK:
case RQST_PRESEEK:
case RQST_PRESEEK64:
/*
* At this point a temporary buffer may need to be created
* to receive data which is going to be thrown away.
*/
if ( temp == 0 ) {
if ( rfilefdt[s_index]->_iobuf.base==NULL || rfilefdt[s_index]->_iobuf.dsize<msgsiz ) {
temp= 1 ;
TRACE(3,"rfio","rfio_close: allocating momentary buffer of size %d",msgsiz) ;
if ( (trp= ( char *) malloc(msgsiz)) == NULL ) {
TRACE(3,"rfio","rfio_close: malloc(): ERROR occured (errno=%d)",errno) ;
(void) rfio_cleanup(s) ;
END_TRACE() ;
return -1 ;
}
}
else
trp= iodata(rfilefdt[s_index]) ;
}
if ( netread_timeout(s,trp,msgsiz,RFIO_DATA_TIMEOUT) != msgsiz ) {
TRACE(2,"rfio","rfio_close: read(): ERROR occured (errno=%d)",errno) ;
if ( temp ) (void) free(trp) ;
(void) rfio_cleanup(s) ;
END_TRACE() ;
return -1 ;
}
break ;
default:
TRACE(1,"rfio","rfio_close(): Bad control word received\n") ;
serrno= SEINTERNAL ;
if ( temp ) (void) free(trp) ;
(void) rfio_cleanup(s) ;
END_TRACE() ;
return -1 ;
}
}
}
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