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/*
* Copyright (C) 2006 by CERN/IT/GD/ITR
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: Cns_getreplicas.c,v $ $Revision: 1.3 $ $Date: 2008/09/29 08:02:48 $ CERN IT-GD/ITR Jean-Philippe Baud";
#endif /* not lint */
/* Cns_getreplicas - get replica entries associated with a list of GUIDs */
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#if defined(_WIN32)
#include <winsock2.h>
#else
#include <unistd.h>
#include <netinet/in.h>
#endif
#include "marshall.h"
#include "Cns_api.h"
#include "Cns.h"
#include "serrno.h"
int DLL_DECL
Cns_getreplicas(int nbguids, const char **guids, const char *se, int *nbentries, struct Cns_filereplicas **rep_entries)
{
int c;
char func[16];
gid_t gid;
int i;
int msglen;
char *q;
char *rbp;
char repbuf[4];
char *sbp;
char *sendbuf;
struct Cns_api_thread_info *thip;
uid_t uid;
strcpy (func, "Cns_getreplicas");
if (Cns_apiinit (&thip))
return (-1);
uid = geteuid();
gid = getegid();
#if defined(_WIN32)
if (uid < 0 || gid < 0) {
Cns_errmsg (func, NS053);
serrno = SENOMAPFND;
return (-1);
}
#endif
if (nbguids <= 0) {
serrno = EINVAL;
return (-1);
}
if (! guids || ! nbentries || ! rep_entries) {
serrno = EFAULT;
return (-1);
}
if (se && strlen (se) > CA_MAXHOSTNAMELEN) {
serrno = EINVAL;
return (-1);
}
/* Compute size of send buffer */
msglen = 6 * LONGSIZE;
if (se)
msglen += strlen (se) + 1;
else
msglen++;
for (i = 0; i < nbguids; i++) {
msglen += strlen (guids[i]) + 1;
}
/* Allocate send buffer */
if ((sendbuf = malloc (msglen)) == NULL) {
serrno = ENOMEM;
return (-1);
}
/* Build request header */
sbp = sendbuf;
marshall_LONG (sbp, CNS_MAGIC);
marshall_LONG (sbp, CNS_GETREPLICAS);
q = sbp; /* save pointer. The next field will be updated */
msglen = 3 * LONGSIZE;
marshall_LONG (sbp, msglen);
/* Build request body */
marshall_LONG (sbp, uid);
marshall_LONG (sbp, gid);
marshall_LONG (sbp, nbguids);
if (se) {
marshall_STRING (sbp, se);
} else {
marshall_STRING (sbp, "");
}
for (i = 0; i < nbguids; i++) {
marshall_STRING (sbp, guids[i]);
}
msglen = sbp - sendbuf;
marshall_LONG (q, msglen); /* update length field */
c = send2nsdx (NULL, NULL, sendbuf,
msglen, repbuf, sizeof(repbuf), (void **)rep_entries, nbentries);
if (c == 0) {
rbp = repbuf;
unmarshall_LONG (rbp, *nbentries);
if (*nbentries == 0) {
*rep_entries = NULL;
return (0);
}
}
return (c);
}
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