/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 * 
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

#include <afs/param.h>
#include <sys/types.h>
#ifdef AFS_NT40_ENV
#include <winsock2.h>
#else
#include <sys/time.h>
#include <sys/file.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <netdb.h>
#endif
#include <stdlib.h>
#include <rx/xdr.h>
#include <rx/rx.h>
#include <lwp.h>
#include <lock.h>
#include <errno.h>
#include <afs/tcdata.h>
#include <afs/bubasics.h>
#include <afs/budb_client.h>
#include <afs/vldbint.h>
#include <afs/ktime.h>
#include <afs/vlserver.h>
#include <afs/volser.h>
#include <afs/volint.h>
#include <afs/cellconfig.h>

#include "error_macros.h"
#include "butc_xbsa.h"
#include "afs/butx.h"


/* GLOBAL CONFIGURATION PARAMETERS */
extern int dump_namecheck;
extern int queryoperator;
extern int isafile;
extern int forcemultiple;

extern struct ubik_client *cstruct;
dlqlinkT savedEntries;
dlqlinkT entries_to_flush;

afs_int32 flushSavedEntries(), finishDump(), finishTape(), useTape(), addVolume();

extern struct rx_connection *UV_Bind();

extern char *globalCellName;

extern afs_int32 xbsaType;
extern afs_int32 groupId;
extern afs_int32 BufferSize;
extern afs_int32 statusSize;
extern FILE  *centralLogIO;
afs_int32 lastPass=0;
#ifdef xbsa
char *butcdumpIdStr = "/backup_afs_volume_dumps";
extern struct butx_transactionInfo butxInfo;
extern char *xbsaObjectOwner;
extern char *appObjectOwner;
extern char *xbsaSecToken;
extern char *xbsalGName;
extern char *globalButcLog;
#endif /*xbsa*/

afs_int32 dataSize;        /* Size of data to read on each rx_Read() call */
afs_int32 tapeblocks;      /* Number of 16K tape datablocks in buffer (!CONF_XBSA) */

/* TBD
 *
 * Done 1) dump id generation
 * Done xx) volume fragment number accounting !!  I think.
 * 2) check abort - check after subroutine calls
 * Done 3) trailer anomaly
 * 4) trailer damage indicator after partial dumps ( affects scandump )
 * Done 5) Ensure mount failure logged
 * 6) Ensure bucoord status calls work
 *
 * notes
 * pass 3: 
 *	keep token timeout. If no user reponse (idle time > some period)
 *	and tokens about to time out, terminate dump. This provides at
 *	least something usable.
 */

#define DUMPNAME(dumpname, name, dbDumpId) \
   if (dbDumpId == 0) \
     sprintf(dumpname, "%s", name); \
   else \
     sprintf(dumpname, "%s (DumpId %u)", name, dbDumpId);

#ifdef AFS_NT40_ENV
localtime_r(t, tm)
   time_t *t;
   struct tm *tm;
{
   bcopy(localtime(t), tm, sizeof(struct tm));
}
#endif

struct dumpRock
{
    /* status only */
    int		tapeSeq;
    int         curVolume;                 /* index in dumpNode of volume */
    int		curVolumeStatus;	   /* more explicit dump state */
    afs_uint32     curVolStartPos;            /* Starting position of the current volume */
    afs_uint32	databaseDumpId;		   /* real dump id, for db */
    afs_uint32     initialDumpId;             /* the initial dump, for appended dumps */
    afs_int32       volumesDumped;             /* # volumes successfully dumped */
    afs_int32       volumesFailed;             /* # volumes that failed to dump */
    afs_int32       volumesNotDumped;          /* # volumes that were not dumped (didn't fail) */

    /* tape management */
    char	          tapeName[TC_MAXTAPENAMELEN];
    struct butm_tapeInfo  *tapeInfoPtr;
    struct butm_tapeLabel tapeLabel;
    int                   wroteLabel;	   /* If the tape label is written */

    /* database information */
    struct budb_dumpEntry lastDump;        /* the last dump of this volset */
    struct budb_dumpEntry dump;		   /* current dump */
    struct budb_tapeEntry tape;		   /* current tape, not used -VA*/

    /* links to existing info */
    struct dumpNode *node;
};

/* configuration variables */
#define HITEOT(code) ((code == BUTM_IO) || (code == BUTM_EOT) || (code == BUTM_IOCTL))
extern int autoQuery;
extern int maxpass;

afs_int32 tc_EndMargin;
afs_int32 tc_KEndMargin;
char  *bufferBlock;

/* compute the absolute expiration date */
afs_int32
calcExpirationDate(expType, expDate, createTime)
     afs_int32 expType;
     afs_int32 expDate;
     afs_int32 createTime;
{
    struct ktime_date kd;
    afs_int32  Add_RelDate_to_Time();

    switch ( expType )
    {
      case BC_REL_EXPDATE:
 	/* expiration date is relative to the creation time of the dump.
	 * This is the only case that requires any work
	 */
	Int32To_ktimeRelDate(expDate, &kd);
	return(Add_RelDate_to_Time(&kd, createTime)); 
	break;

      case BC_ABS_EXPDATE:
	return(expDate);
	break;

      case BC_NO_EXPDATE:
      default:
	return(0);
    }
}

afs_int32                 curr_bserver = 0;
struct rx_connection  *curr_fromconn = (struct rx_connection *)0;

struct rx_connection *Bind(server)
  afs_int32 server;
{
  if (curr_fromconn) {
      if (curr_bserver == server)                             /* Keep connection if have it */
	  return (curr_fromconn);

      rx_DestroyConnection (curr_fromconn);                   /* Otherwise get rid of it */
      curr_fromconn = (struct rx_connection *)0;
      curr_bserver  = 0;
  }
    
  if (server) {
      curr_fromconn = UV_Bind (server, AFSCONF_VOLUMEPORT);   /* Establish new connection */
      if (curr_fromconn) curr_bserver = server;
  }

  return (curr_fromconn);
}

/* notes
 * 1) save the chunksize or otherwise ensure tape space remaining is
 *	check frequently enough
 * 2) This is called once. For partial dumps, need to 
 *	ensure that the tape device is left in the correct state for
 *	further dumps.
 * 
 */
#define BIGCHUNK 102400

afs_int32
dumpVolume(curDump, dparamsPtr)
    struct tc_dumpDesc *curDump;
    struct dumpRock *dparamsPtr;
{
    struct butm_tapeInfo *tapeInfoPtr = dparamsPtr->tapeInfoPtr;
    struct dumpNode      *nodePtr     = dparamsPtr->node;
    afs_int32  taskId                     = nodePtr->taskID;
    char    *buffer;
    int     fragmentNumber;
    afs_int32   volumeFlags;
    afs_int32   kRemaining;
    afs_int32   rc, code = 0;
    afs_int32   toread;
    afs_uint32 volBytesRead;
    afs_uint32 chunkSize;
    afs_int32   bytesread;             /* rx reads */
    int     endofvolume=0;         /* Have we read all volume data */
    int     indump=0;
    int     fragmentvolume;
    struct volumeHeader  hostVolumeHeader;

    struct rx_call       *fromcall = (struct rx_call *)0;
    struct rx_connection *fromconn;
    afs_int32            updatedate, fromtid = 0;
    volEntries           volumeInfo;
    afs_int32            bytesWritten;
    afs_uint32           statuscount=statusSize, tsize=0;

    dparamsPtr->curVolumeStatus = DUMP_NOTHING;

    fromconn = Bind(htonl(curDump->hostAddr));  /* get connection to the server */

    /* Determine when the volume was last cloned and updated */
    volumeInfo.volEntries_val = (volintInfo *)0;
    volumeInfo.volEntries_len = 0;
    rc = AFSVolListOneVolume(fromconn, curDump->partition, curDump->vid, &volumeInfo);
    if (rc) ERROR_EXIT(rc);
    updatedate         = volumeInfo.volEntries_val[0].updateDate;
    curDump->cloneDate = ((curDump->vtype == RWVOL) ?
			  time(0) : volumeInfo.volEntries_val[0].creationDate);

    if (curDump->date >= curDump->cloneDate)
        ERROR_EXIT(0);                                      /* not recloned since last dump */
    if (curDump->date >  updatedate) { 
        dparamsPtr->curVolumeStatus = DUMP_NODUMP;          /* not modified since last dump */
	ERROR_EXIT(0);
    }

    /* Start the volserver transaction and dump */
    rc = AFSVolTransCreate (fromconn, curDump->vid, curDump->partition, ITBusy, &fromtid);
    if (rc) ERROR_EXIT(rc);
    fromcall = rx_NewCall(fromconn);

    rc = StartAFSVolDump (fromcall, fromtid, curDump->date);
    if (rc) ERROR_EXIT(rc);

    dparamsPtr->curVolumeStatus = DUMP_PARTIAL;
    dparamsPtr->curVolStartPos  = tapeInfoPtr->position;

    /* buffer is place in bufferBlock to write volume data.
     * butm_writeFileData() assumes the previous BUTM_HDRSIZE bytes
     * is available to write the tape block header.
     */
    buffer = bufferBlock + BUTM_HDRSIZE;

    /* Dump one volume fragment at a time until we dump the full volume.
     * A volume with more than 1 fragment means the volume will 'span' 
     * 2 or more tapes.
     */
    for (fragmentNumber=1; !endofvolume; fragmentNumber++) { /*frag*/
        rc = butm_WriteFileBegin(tapeInfoPtr);
	if (rc) {
	   ErrorLog(1, taskId, rc, tapeInfoPtr->error, "Can't write FileBegin on tape\n");
	   ERROR_EXIT(rc);
	}
	indump = 1;     /* first write to tape */

	/* Create and Write the volume header */
	makeVolumeHeader(&hostVolumeHeader, dparamsPtr, fragmentNumber);
	hostVolumeHeader.contd = ((fragmentNumber == 1) ? 0 : TC_VOLCONTD);
	volumeHeader_hton(&hostVolumeHeader, buffer);

	rc = butm_WriteFileData(tapeInfoPtr, buffer, 1, sizeof(hostVolumeHeader));
	if (rc) {
	   ErrorLog(1, taskId, rc, tapeInfoPtr->error, "Can't write VolumeHeader on tape\n");
	   ERROR_EXIT(rc);
	}

	bytesWritten = BUTM_BLOCKSIZE; /* Wrote one tapeblock */
	tsize += bytesWritten;

	/* Start reading volume data, rx_Read(), and dumping to the tape
	 * until we've dumped the entire volume (endofvolume == 1). We can
	 * exit this loop early if we find we are close to the end of the
	 * tape; in which case we dump the next fragment on the next tape.
	 */
	volBytesRead = 0;
	chunkSize    = 0;
	fragmentvolume = 0;
	while (!endofvolume && !fragmentvolume) { /*w*/
	    bytesread = 0;

	    /* Check for abort in the middle of writing data */
	    if (volBytesRead >= chunkSize) {
	        chunkSize += BIGCHUNK;
		if ( checkAbortByTaskId(taskId) ) 
		    ABORT_EXIT(TC_ABORTEDBYREQUEST);

		/* set bytes dumped for backup */
		lock_Status();
		nodePtr->statusNodePtr->nKBytes = tapeInfoPtr->kBytes;
		unlock_Status();
	    }

	    /* Determine how much data to read in upcoming RX_Read() call */
	    toread = dataSize;
	    /* Check if we are close to the EOT. There should at least be some
	     * data on the tape before it is switched. HACK: we have to split a 
	     * volume across tapes because the volume trailer says the dump 
	     * continues on the next tape (and not the filemark). This could 
	     * result in a volume starting on one tape (no volume data dumped) and 
	     * continued on the next tape. It'll work, just requires restore to 
	     * switch tapes. This allows many small volumes (<16K) to be dumped.
	     */
	    kRemaining = butm_remainingKSpace(tapeInfoPtr);
	    if ( (kRemaining < tc_KEndMargin) &&
		 (volBytesRead || (tapeInfoPtr->position > (isafile?3:2))) ) {
	       fragmentvolume = 1;
	    }


	    /* Guess at how much data to read. So we don't write off end of tape */
	    if (kRemaining < (tapeblocks * 16)) {
	       if (kRemaining < 0) {
		  toread = BUTM_BLKSIZE;
	       } else {
		  toread = ((kRemaining/16) + 1) * BUTM_BLKSIZE;
		  if (toread > dataSize) toread = dataSize;
	       }
	    }

	    /* Read some volume data. */
	    if (fragmentvolume) {
	       bytesread = 0;
	    } else {
	       bytesread = rx_Read(fromcall, buffer, toread);
	       volBytesRead += bytesread;
	       if (bytesread != toread) {
		  /* Make sure were at end of volume and not a communication error */
		  rc = rx_Error(fromcall);
		  if (rc) ERROR_EXIT(rc);
		  endofvolume = 1;
	       }
	    }

	    if (fragmentvolume || endofvolume) {
	       /* Create a volume trailer appending it to this data block */
	       makeVolumeHeader(&hostVolumeHeader, dparamsPtr, fragmentNumber);
	       hostVolumeHeader.contd   = (endofvolume ? 0 : TC_VOLCONTD);
	       hostVolumeHeader.magic   = TC_VOLENDMAGIC;
	       hostVolumeHeader.endTime = (endofvolume ? time(0) : 0);
	       volumeHeader_hton(&hostVolumeHeader, &buffer[bytesread]);
	       bytesread += sizeof(hostVolumeHeader);
	    }

	    /* Write the datablock out */
	    /* full data buffer - write it to tape */
	    rc = butm_WriteFileData(tapeInfoPtr, buffer, tapeblocks, bytesread);
	    if (rc) {
	       ErrorLog(1, taskId, rc, tapeInfoPtr->error, 
			"Can't write VolumeData on tape\n");
	       ERROR_EXIT(rc);
	    }
	    bytesWritten = tapeblocks * BUTM_BLOCKSIZE;
	    tsize += bytesWritten;

	    /* Display a status line every statusSize or at end of volume */
	    if ( statusSize && 
		 ((tsize >= statuscount) || endofvolume || fragmentvolume) ) {
	       time_t t = time(0);
	       struct tm tm;
	       localtime_r(&t, &tm);
	       printf("%02d:%02d:%02d: Task %u: %u KB: %s: %u B\n",
		      tm.tm_hour, tm.tm_min, tm.tm_sec, taskId,
		      tapeInfoPtr->kBytes, hostVolumeHeader.volumeName, tsize);
	       statuscount = tsize + statusSize;
	    }
	} /*w*/

        /* End the dump before recording it in BUDB as successfully dumped */
        rc = butm_WriteFileEnd(tapeInfoPtr);
	indump = 0;
	if (rc) {
	   ErrorLog(1, taskId, rc, tapeInfoPtr->error, "Can't write FileEnd on tape\n");
	   ERROR_EXIT(rc);
	}

	/* Record in BUDB the volume fragment as succcessfully dumped */
	volumeFlags = (( fragmentNumber == 1 ) ? BUDB_VOL_FIRSTFRAG : 0);
	if (endofvolume) volumeFlags |= BUDB_VOL_LASTFRAG;
	rc = addVolume(0, dparamsPtr->databaseDumpId, dparamsPtr->tapeName,
		       nodePtr->dumps[dparamsPtr->curVolume].name,
		       nodePtr->dumps[dparamsPtr->curVolume].vid,
		       nodePtr->dumps[dparamsPtr->curVolume].cloneDate,
		       dparamsPtr->curVolStartPos,
		       volBytesRead, (fragmentNumber-1), volumeFlags);
	if (rc) ABORT_EXIT(rc);

	/* If haven't finished dumping the volume, end this
	 * tape and get the next tape.
	 */
	if (!endofvolume) {
	   /* Write an EOT marker.
	    * Log the error but ignore it since the dump is effectively done.
	    * Scantape will detect continued volume and not read the EOT.
	    */
	   rc = butm_WriteEOT(tapeInfoPtr);
	   if (rc) TapeLog(1, taskId, rc, tapeInfoPtr->error,
			   "Warning: Can't write End-Of-Dump on tape\n");

	   /* Unmount the tape */
	   unmountTape(taskId, tapeInfoPtr);

	   /* Tell the database the tape is complete (and ok) */
	   rc = finishTape(&dparamsPtr->tape, dparamsPtr->tapeInfoPtr->kBytes + 
			                     (dparamsPtr->tapeInfoPtr->nBytes ? 1 : 0));
	   if (rc) ABORT_EXIT(rc);

	   /* get the next tape. Prompt, mount, and add it into the database */
	   dparamsPtr->tapeSeq++;
	   rc = getDumpTape(dparamsPtr, 1, 0);		/* interactive - no append */
	   if (rc) ABORT_EXIT(rc);

	   dparamsPtr->curVolStartPos  = tapeInfoPtr->position;
	}
    } /*frag*/

    dparamsPtr->curVolumeStatus = DUMP_SUCCESS;

error_exit:
    /* 
     * If we hit the end, see if this is the first volume on the tape or not.
     * Also, mark the tape as finished if the tape contains other dumps.
     */
    if (HITEOT(code)) {
        ErrorLog(2, taskId, code, tapeInfoPtr->error, 
		 "Warning: Dump (%s) hit end-of-tape inferred\n", 
		 nodePtr->dumpSetName);

        if (tapeInfoPtr->position == 2) {
	    dparamsPtr->curVolumeStatus = DUMP_NORETRYEOT;
	} else {
	    dparamsPtr->curVolumeStatus = DUMP_RETRY;
	    rc = finishTape(&dparamsPtr->tape, dparamsPtr->tapeInfoPtr->kBytes + 
		                              (dparamsPtr->tapeInfoPtr->nBytes ? 1 : 0));
	    if (rc) ABORT_EXIT(rc);
	}
    }

    /* 
     * This is used when an error occurs part way into a volume dump. Clean
     * the tape state by writing an FileEnd mark. Forgo this action if we hit
     * the end of tape.
     */
    else if (indump) {
       rc = butm_WriteFileEnd(tapeInfoPtr);
       indump = 0;
       if (rc) {
	  ErrorLog(1, taskId, rc, tapeInfoPtr->error, "Can't write FileEnd on tape\n");
       }
    }

    if (fromcall) {
        rc = rx_EndCall (fromcall, 0);
	if (!code) code = rc;
    }

    if (fromtid) {
        afs_int32 rcode;
        rc = AFSVolEndTrans (fromconn, fromtid, &rcode);
	if (!code) code = (rc ? rc : rcode);
    }

    return(code);

abort_exit:
    dparamsPtr->curVolumeStatus = DUMP_FAILED;
    ERROR_EXIT(code);
}

afs_int32
xbsaDumpVolume(curDump, dparamsPtr)
    struct tc_dumpDesc *curDump;
    struct dumpRock *dparamsPtr;
{
#ifdef xbsa
    struct butm_tapeInfo *tapeInfoPtr = dparamsPtr->tapeInfoPtr;
    struct dumpNode      *nodePtr     = dparamsPtr->node;
    char       *buffer = bufferBlock;
    afs_int32  taskId  = nodePtr->taskID;
    afs_int32  rc, code = 0;
    afs_int32  toread;
    afs_uint32 volBytesRead;
    afs_uint32 chunkSize;
    afs_int32  bytesread;             /* rx reads */
    int     endofvolume=0;         /* Have we read all volume data */
    int     begindump=0, indump=0; /* if dump transaction started; if dumping data */
    struct volumeHeader  hostVolumeHeader;

    struct rx_call       *fromcall = (struct rx_call *)0;
    struct rx_connection *fromconn;
    afs_int32                updatedate, fromtid = 0;
    volEntries           volumeInfo;
    afs_int32                bytesWritten;
    afs_uint32              statuscount=statusSize, tsize=0, esize;
    afs_hyper_t          estSize;

    char dumpIdStr[XBSA_MAX_OSNAME];
    char volumeNameStr[XBSA_MAX_PATHNAME];
    static char *dumpDescription = "AFS volume dump";
    static char *objectDescription = "XBSA - butc";
 
    dparamsPtr->curVolumeStatus = DUMP_NOTHING;

    fromconn = Bind(htonl(curDump->hostAddr));  /* get connection to the server */

    /* Determine when the volume was last cloned and updated */
    volumeInfo.volEntries_val = (volintInfo *)0;
    volumeInfo.volEntries_len = 0;
    rc = AFSVolListOneVolume(fromconn, curDump->partition, curDump->vid, &volumeInfo);
    if (rc) ERROR_EXIT(rc);
    updatedate         = volumeInfo.volEntries_val[0].updateDate;
    curDump->cloneDate = ((curDump->vtype == RWVOL) ?
			  time(0) : volumeInfo.volEntries_val[0].creationDate);

    /* Get the volume size (in KB) and increase by 25%. Then set as a hyper */
    esize = volumeInfo.volEntries_val[0].size;
    esize += (esize/4)+1;

    if (curDump->date >= curDump->cloneDate)
        ERROR_EXIT(0);                                 /* not recloned since last dump */
    if (curDump->date >  updatedate) { 
        dparamsPtr->curVolumeStatus = DUMP_NODUMP;     /* not modified since last dump */
	ERROR_EXIT(0);
    }

    /* Start a new XBSA Transaction */
    rc = xbsa_BeginTrans(&butxInfo);
    if (rc != XBSA_SUCCESS) {
       ErrorLog(1, taskId, rc, 0, "Unable to create a new transaction\n");
       ERROR_EXIT(rc);
    }
    begindump = 1; /* Will need to do an xbsa_EndTrans */

    /* Start the volserver transaction and dump. Once started, the
     * volume status is "partial dump". Also, the transaction with
     * the volserver is idle until the first read. An idle transaction
     * will time out in 600 seconds. After the first rx_Read,
     * the transaction is not idle. See GCTrans().
     */
    rc = AFSVolTransCreate (fromconn, curDump->vid, curDump->partition, ITBusy, &fromtid);
    if (rc) ERROR_EXIT(rc);
    fromcall = rx_NewCall(fromconn);
    
    rc = StartAFSVolDump (fromcall, fromtid, curDump->date);
    if (rc) ERROR_EXIT(rc);

    dparamsPtr->curVolumeStatus = DUMP_PARTIAL;
    dparamsPtr->curVolStartPos  = tapeInfoPtr->position;

    /* Tell XBSA what the name and size of volume to write */
    strcpy(dumpIdStr, butcdumpIdStr);  /* "backup_afs_volume_dumps" */
    sprintf(volumeNameStr, "/%d", dparamsPtr->databaseDumpId);
    strcat(volumeNameStr, "/");
    strcat(volumeNameStr, curDump->name); /* <dumpid>/<volname> */
    hset32(estSize, esize);
    hshlft(estSize, 10);  /* Multiply by 1024 so its in KB */

    rc = xbsa_WriteObjectBegin(&butxInfo, dumpIdStr, volumeNameStr,
			       xbsalGName, estSize, dumpDescription,
			       objectDescription);
    if (rc != XBSA_SUCCESS) {
       ErrorLog(1, taskId, rc, 0, 
		"Unable to begin writing of the fileset data to the server\n");
       ERROR_EXIT(rc);
    }
    indump = 1;   /* Will need to do an xbsa_WriteObjectEnd */

    /* Create and Write the volume header */
    makeVolumeHeader(&hostVolumeHeader, dparamsPtr, 1);
    hostVolumeHeader.contd = 0;
    volumeHeader_hton(&hostVolumeHeader, buffer);

    rc = xbsa_WriteObjectData(&butxInfo, buffer, sizeof(struct volumeHeader), &bytesWritten);
    if (rc != XBSA_SUCCESS) {
       ErrorLog(1, taskId, rc, 0, "Unable to write VolumeHeader data to the server\n");
       ERROR_EXIT(rc);
    }
    /* There is a bug in the ADSM library where the bytesWritten is
     * not filled in, so we set it as correct anyway.
     */
    bytesWritten = sizeof(struct volumeHeader);
    if (bytesWritten != sizeof(struct volumeHeader)) {
       ErrorLog(1, taskId, rc, 0,
		"The size of VolumeHeader written (%d) does not equal its actual size (%d)\n",
		bytesWritten, sizeof(struct volumeHeader));
       ERROR_EXIT(TC_INTERNALERROR);
    }

    incSize(tapeInfoPtr, sizeof(struct volumeHeader)); /* Increment amount we've written */
    tsize += bytesWritten;

    /* Start reading volume data, rx_Read(), and dumping to the tape
     * until we've dumped the entire volume (endofvolume == 1).
     */
    volBytesRead = 0;
    chunkSize    = 0;
    while (!endofvolume) { /*w*/
       bytesread = 0;

       /* Check for abort in the middle of writing data */
       if (volBytesRead >= chunkSize) {
	  chunkSize += BIGCHUNK;
	  if ( checkAbortByTaskId(taskId) ) 
	     ABORT_EXIT(TC_ABORTEDBYREQUEST);

	  /* set bytes dumped for backup */
	  lock_Status();
	  nodePtr->statusNodePtr->nKBytes = tapeInfoPtr->kBytes;
	  unlock_Status();
       }

       /* Determine how much data to read in upcoming RX_Read() call */
       toread = dataSize;

       /* Read some volume data. */
       bytesread = rx_Read(fromcall, buffer, toread);
       volBytesRead += bytesread;
       if (bytesread != toread) {
	  afs_int32 rcode;

	  /* Make sure were at end of volume and not a communication error */
	  rc = rx_Error(fromcall);
	  if (rc) ERROR_EXIT(rc);

	  endofvolume = 1;

	  /* Create a volume trailer appending it to this data block (if not XBSA) */
	  makeVolumeHeader(&hostVolumeHeader, dparamsPtr, 1);
	  hostVolumeHeader.contd   = 0;
	  hostVolumeHeader.magic   = TC_VOLENDMAGIC;
	  hostVolumeHeader.endTime = time(0);
	  volumeHeader_hton(&hostVolumeHeader, &buffer[bytesread]);
	  bytesread += sizeof(hostVolumeHeader);

	  /* End the dump and transaction with the volserver. We end it now, before
	   * we make the XBSA call because if XBSA blocks, we could time out on the 
	   * volserver (After last read, the transaction with the volserver is idle).
	   */
	  rc = rx_EndCall (fromcall, 0);
	  fromcall = 0;
	  if (rc) ERROR_EXIT(rc);

	  rc = AFSVolEndTrans (fromconn, fromtid, &rcode);
	  fromtid = 0;
	  if (rc) ERROR_EXIT(rc);
       }

       /* Write the datablock out */
       rc = xbsa_WriteObjectData(&butxInfo, buffer, bytesread, &bytesWritten);
       if (rc != XBSA_SUCCESS) {
	  ErrorLog(1, taskId, rc, 0, "Unable to write data to the server\n");
	  ERROR_EXIT(rc);
       }
       /* There is a bug in the ADSM library where the bytesWritten is
	* not filled in, so we set it as correct anyway.
	*/
       bytesWritten = bytesread;
       if (bytesWritten != bytesread) {
	  ErrorLog(1, taskId, rc, 0,
		   "The size of data written (%d) does not equal size read (%d)\n",
		   bytesWritten, bytesread);
	  ERROR_EXIT(TC_INTERNALERROR);
       }

       incSize(tapeInfoPtr, bytesread);       /* Increment amount we've written */
       tsize += bytesWritten;

       /* Display a status line every statusSize or at end of volume */
       if ( statusSize && ((tsize >= statuscount) || endofvolume) ) {
	  time_t t = time(0);
	  struct tm tm;
	  localtime_r(&t, &tm);
	  printf("%02d:%02d:%02d: Task %u: %u KB: %s: %u B\n",
		 tm.tm_hour, tm.tm_min, tm.tm_sec, taskId,
		 tapeInfoPtr->kBytes, hostVolumeHeader.volumeName, tsize);
	  statuscount = tsize + statusSize;
       }
    } /*w*/

    /* End the XBSA transaction before recording it in BUDB as successfully dumped */
    rc = xbsa_WriteObjectEnd(&butxInfo);
    indump = 0;
    if (rc != XBSA_SUCCESS) {
       ErrorLog(1, taskId, rc, 0,
		"Unable to terminate writing of the volume data to the server");
       ERROR_EXIT(rc);
    }
    rc = xbsa_EndTrans(&butxInfo);
    begindump = 0;
    tapeInfoPtr->position++;
    if (rc != XBSA_SUCCESS) {
       ErrorLog(1, taskId, rc, 0, "Unable to terminate the current transaction");
       ERROR_EXIT(rc);
    }

    /* Record in BUDB the volume fragment as succcessfully dumped */
    rc = addVolume(0, dparamsPtr->databaseDumpId, dparamsPtr->tapeName,
		   nodePtr->dumps[dparamsPtr->curVolume].name,
		   nodePtr->dumps[dparamsPtr->curVolume].vid,
		   nodePtr->dumps[dparamsPtr->curVolume].cloneDate,
		   dparamsPtr->curVolStartPos,
		   volBytesRead, 0/*frag0*/,
		   (BUDB_VOL_FIRSTFRAG | BUDB_VOL_LASTFRAG));
    if (rc) ABORT_EXIT(rc);

    dparamsPtr->curVolumeStatus = DUMP_SUCCESS;

error_exit:
    /* Cleanup after an error occurs part way into a volume dump */
    if (fromcall) {
       rc = rx_EndCall (fromcall, 0);
       if (!code) code = rc;
    }

    if (fromtid) {
       afs_int32 rcode;
       rc = AFSVolEndTrans (fromconn, fromtid, &rcode);
       if (!code) code = (rc ? rc : rcode);
    }
    
    /* If this dump failed, what happens to successive retries
     * of the volume? How do they get recorded in the XBSA database
     * (overwritten)? If not, we don't record this in the BUDB database
     * so it will not be removed when we delete the dump. What to do?
     * Also if the volume was never recorded in the DB (partial dump).
     */
    if (indump) {
       /* End the Write */
       rc = xbsa_WriteObjectEnd(&butxInfo);
       indump = 0;
       if (rc != XBSA_SUCCESS) {
	  ErrorLog(1, taskId, rc, 0,
		   "Unable to terminate writing of the volume data to the server");
       }
       tapeInfoPtr->position++;
    }

    if (begindump) {
       /* End the XBSA Transaction */
       rc = xbsa_EndTrans(&butxInfo);
       begindump = 0;
       if (rc != XBSA_SUCCESS) {
	  ErrorLog(1, taskId, rc, 0, "Unable to terminate the current transaction");
       }
    }

    return(code);

abort_exit:
    dparamsPtr->curVolumeStatus = DUMP_FAILED;
    ERROR_EXIT(code);
#endif
}

#ifdef AFS_DEC_ENV
#define HOSTADDR(sockaddr) (sockaddr)->sin_addr.S_un.S_addr
#else
#define HOSTADDR(sockaddr) (sockaddr)->sin_addr.s_addr
#endif

/* dumpPass
 *	Go through the list of volumes to dump, dumping each one. The action
 *	taken when a volume dump fails, depends on the passNumber. At minimum,
 *	the failed volume is remembered.
 * notes:
 *	flushSavedEntries - inconsistent treatment for errors. What should
 *		be done for user aborts?
 */

afs_int32
dumpPass(dparamsPtr, passNumber)
    struct dumpRock *dparamsPtr;
    int passNumber;
{
    struct dumpNode      *nodePtr     = dparamsPtr->node;
    struct butm_tapeInfo *tapeInfoPtr = dparamsPtr->tapeInfoPtr;
    afs_int32                taskId       = nodePtr->taskID;
    struct tc_dumpDesc *curDump;
    int  action, e;
    afs_int32 code = 0, tcode, dvcode;
    char ch;
    char retryPrompt();
    struct vldbentry vldbEntry;
    struct sockaddr_in server;
    afs_int32  tapepos;

    TapeLog(2, taskId, 0, 0, "Starting pass %d\n", passNumber);

    /* while there are more volumes to dump */
    for (dparamsPtr->curVolume = 0; 
	 dparamsPtr->curVolume < nodePtr->arraySize; 
	 dparamsPtr->curVolume++)
    { /*w*/
	curDump = &nodePtr->dumps[dparamsPtr->curVolume];
	if (curDump->hostAddr == 0) continue;

	/* set name of current volume being dumped */
	lock_Status();
	strcpy(nodePtr->statusNodePtr->volumeName, curDump->name); 
	unlock_Status();

	/* Determine location of the volume.
	 * In case the volume moved has moved.
	 */
	if (passNumber > 1)
	{ /*pass*/
	    tcode = bc_GetEntryByID(cstruct, curDump->vid, curDump->vtype, &vldbEntry);
	    if (tcode)
	    {
	        ErrorLog(0, taskId, tcode, 0, 
			 "Volume %s (%u) failed - Can't find volume in VLDB\n",
			 curDump->name, curDump->vid);
		curDump->hostAddr = 0;
		dparamsPtr->volumesFailed++;
		continue;
	    }

	    switch (curDump->vtype)
	    {
	        case BACKVOL:
	            if ( !(vldbEntry.flags & BACK_EXISTS) )
		    {
		        ErrorLog(0, taskId, 0, 0, 
				 "Volume %s (%u) failed - Backup volume no longer exists\n",
				 curDump->name, curDump->vid);
			curDump->hostAddr = 0;
			dparamsPtr->volumesFailed++;
			continue;
		    }
		    /* Fall into RWVOL case */

		  case RWVOL:
		      for (e=0; e<vldbEntry.nServers; e++) /* Find the RW volume */
		      {
			  if (vldbEntry.serverFlags[e] & ITSRWVOL) break;
		      }
		      break;
		    
		  case ROVOL: 		
		      /* Try to use the server and partition we found the volume on
		       * Otherwise, use the first RO volume.
		       */
		      for (e=0; e<vldbEntry.nServers; e++) /* Find the RO volume */
		      {
			  if ( (curDump->hostAddr  == vldbEntry.serverNumber[e]   ) &&
			       (curDump->partition == vldbEntry.serverPartition[e]) )
			      break;
		      }

		      if (e >= vldbEntry.nServers)
		      {                                           /* Didn't find RO volume */
			  for (e=0; e<vldbEntry.nServers; e++)    /* Find the first RO volume */
			  {
			      if (vldbEntry.serverFlags[e] & ITSROVOL) break;
			  }
		      }
		      break;

		  default:
		      ErrorLog(0, taskId, 0, 0,
			       "Volume %s (%u) failed - Unknown volume type\n",
			       curDump->name, curDump->vid);
		      curDump->hostAddr = 0;
		      continue;
		      break;
		}

	    if (e >=vldbEntry.nServers)
	    {
	        ErrorLog(0, taskId, 0, 0, 
			 "Volume %s (%u) failed - Can't find volume entry in VLDB\n",
			 curDump->name, curDump->vid);
		curDump->hostAddr = 0;
		dparamsPtr->volumesFailed++;
		continue;
	    }

	    /* Remember the server and partition the volume exists on */
	    bzero (&server, sizeof(server));
	    server.sin_addr.s_addr = vldbEntry.serverNumber[e];
	    server.sin_port        = 0;
	    server.sin_family      = AF_INET;
	    curDump->hostAddr      = HOSTADDR(&server);
	    curDump->partition     = vldbEntry.serverPartition[e];

	    /* Determine date from which to do an incremental dump
	     */
	    if (nodePtr->parent)
	    {
	        tcode = bcdb_FindClone(nodePtr->parent, curDump->name, &curDump->date);
		if (tcode) curDump->date = 0;
	    }
	    else
	    {
	        curDump->date = 0;    /* do a full dump */
	    }
	} /*pass*/

	if ( checkAbortByTaskId(taskId) ) 
	    ERROR_EXIT(TC_ABORTEDBYREQUEST);
	    
	/* Establish connection to volume - UV_ routine expects 
	 * host address in network order 
	 */
	if (CONF_XBSA) {
	   dvcode = xbsaDumpVolume(curDump, dparamsPtr);
	} else {
	   dvcode = dumpVolume(curDump, dparamsPtr);
	}
	action = dparamsPtr->curVolumeStatus;

	/* Flush volume and tape entries to the database */
	tcode = flushSavedEntries(action);
	if (tcode) ERROR_EXIT(tcode);

	switch (action)
	{
	   case DUMP_SUCCESS:
	        TapeLog(1, taskId, 0, 0, "Volume %s (%u) successfully dumped\n",
			curDump->name, curDump->vid);
	        if (dvcode)
		    ErrorLog(1, taskId, dvcode, 0,
			     "Warning: Termination processing error on volume %s (%u)\n",
			     curDump->name, curDump->vid);

		curDump->hostAddr = 0;
		dparamsPtr->volumesDumped++;
		break;
		
	   case DUMP_PARTIAL:
	   case DUMP_NOTHING:
		if (action == DUMP_PARTIAL)
		{
		    ErrorLog(1, taskId, dvcode, 0, 
			     "Volume %s (%u) failed - partially dumped\n",
			     curDump->name, curDump->vid);
		}
		else if (dvcode)
		{
		    ErrorLog(0, taskId, dvcode, 0,
		       "Volume %s (%u) failed\n", curDump->name, curDump->vid);
		}
		else
		{
		    ErrorLog(0, taskId, dvcode, 0,
		       "Volume %s (%u) not dumped - has not been re-cloned since last dump\n",
		       curDump->name, curDump->vid);
		}

		if (passNumber == maxpass)
		{
		    if (!queryoperator)
		        ch = 'o';
		    else
		        ch = retryPrompt(curDump->name, curDump->vid, taskId);

		    switch ( ch )
		    {
		       case 'r':                                    /* retry */
		           dparamsPtr->curVolume--;      /* redump this volume */
			   continue;
  			   break;
			case 'o':                                    /* omit */
			   ErrorLog(1, taskId, 0, 0, "Volume %s (%u) omitted\n",
				    curDump->name, curDump->vid);
			   dparamsPtr->volumesFailed++;
			   break;
			case 'a':                                    /* abort */
			   TapeLog(1, taskId, 0, 0, "Dump aborted\n");
			   ERROR_EXIT(TC_ABORTEDBYREQUEST);
			   break;
			default:
			   ERROR_EXIT(TC_INTERNALERROR);
			   break;
		    }
		}
		break;
		
	   case DUMP_RETRY:
		TapeLog(1, taskId, dvcode, 0, 
			"Volume %s (%u) hit end-of-tape inferred - will retry on next tape\n",
			curDump->name, curDump->vid);

		/* Get the next tape */
		unmountTape(taskId, tapeInfoPtr);

		dparamsPtr->tapeSeq++;
		tcode = getDumpTape(dparamsPtr, 1, 0);   /* interactive - no appends */
		if (tcode) ERROR_EXIT(tcode);

		dparamsPtr->curVolume--;                 /* redump this volume */
		continue;
		break;

	   case DUMP_NORETRYEOT:
		ErrorLog(1, taskId, 0, 0, "Volume %s (%u) failed - volume larger than tape\n",
			 curDump->name, curDump->vid);

		/* rewrite the label on the tape - rewind - no need to switch tapes */
		tcode = butm_Create(tapeInfoPtr, &dparamsPtr->tapeLabel, 1);
		if (tcode) {
		    ErrorLog(0, taskId, tcode, tapeInfoPtr->error, "Can't relabel tape\n");
		    
		    unmountTape(taskId, tapeInfoPtr);
		    tcode = getDumpTape(dparamsPtr, 1, 0);   /* interactive - no appends */
		    if (tcode) ERROR_EXIT(tcode);
		}
		else {		    /* Record the tape in database */
		    tapepos = tapeInfoPtr->position;
		    tcode = useTape(&dparamsPtr->tape, 
				    dparamsPtr->databaseDumpId,
				    dparamsPtr->tapeName, 
				    (dparamsPtr->tapeSeq + dparamsPtr->dump.tapes.b),
				    dparamsPtr->tapeLabel.useCount, 
				    dparamsPtr->tapeLabel.creationTime, 
				    dparamsPtr->tapeLabel.expirationDate,
				    tapepos);
		}

		curDump->hostAddr = 0;
		dparamsPtr->volumesFailed++;
		break;

	   case DUMP_NODUMP:
		TapeLog(1, taskId, dvcode, 0, 
			"Volume %s (%u) not dumped - has not been modified since last dump\n",
			curDump->name, curDump->vid);

		curDump->hostAddr = 0;
		dparamsPtr->volumesNotDumped++;
		break;

	   default:
		ErrorLog(1, taskId, dvcode, 0, "Volume %s (%u) failed\n",
			 curDump->name, curDump->vid);
		ERROR_EXIT(dvcode);
		break;
	}
    } /*w*/

error_exit:
    /* check if we terminated while processing a volume */
    if (dparamsPtr->curVolume < nodePtr->arraySize)
    {
	TapeLog(2, taskId, 0, 0, "Terminated while processing Volume %s (%u)\n", 
		curDump->name, curDump->vid);
    }

    /* print a summary of this pass */
    TapeLog(2, taskId, 0, 0, "End of pass %d: Volumes remaining = %d\n", passNumber, 
	    nodePtr->arraySize - (dparamsPtr->volumesDumped + dparamsPtr->volumesFailed + 
				  dparamsPtr->volumesNotDumped));
    return(code);
}

Dumper(nodePtr)
    struct dumpNode *nodePtr;
{
    struct dumpRock      dparams;
    struct butm_tapeInfo tapeInfo;
    int pass;
    int action;
    afs_int32 taskId;
    afs_int32 code = 0;

    /* for volume setup */
    struct tc_dumpDesc  *dumpDescPtr;
    int    i;
    int    failedvolumes = 0;
    int    dumpedvolumes = 0;
    int    nodumpvolumes = 0;
    char   strlevel[5];
    char   msg[20];
    char   finishedMsg1[50];
    char   finishedMsg2[50];
    time_t startTime=0;
    time_t endTime=0;
    afs_int32  allocbufferSize;

    extern struct deviceSyncNode *deviceLatch;
    extern struct tapeConfig     globalTapeConfig;
    extern afs_int32 createDump();

    taskId = nodePtr->taskID;                              /* Get task Id */
    setStatus(taskId, DRIVE_WAIT);
    EnterDeviceQueue(deviceLatch);
    clearStatus(taskId, DRIVE_WAIT);

    printf("\n\n");
    TapeLog(2, taskId, 0, 0, "Dump %s\n", nodePtr->dumpSetName);

    /* setup the dump parameters */
    bzero(&dparams, sizeof(dparams));
    dparams.node = nodePtr;
    dparams.tapeInfoPtr = &tapeInfo;
    dlqInit(&savedEntries);

    if (!CONF_XBSA) {
       /* Instantiate the tape module */
       tapeInfo.structVersion = BUTM_MAJORVERSION;
       code = butm_file_Instantiate(&tapeInfo, &globalTapeConfig);
       if (code) {
	  ErrorLog(0, taskId, code, tapeInfo.error, "Can't initialize the tape module\n");
	  ERROR_EXIT(code);
       }
    }

    /* check if abort requested while waiting on device latch */
    if ( checkAbortByTaskId(taskId) ) 
        ERROR_EXIT(TC_ABORTEDBYREQUEST);

    /* Are there volumes to dump */
    if (nodePtr->arraySize == 0)
    {
        TLog(taskId, "Dump (%s), no volumes to dump\n", nodePtr->dumpSetName);
	ERROR_EXIT(0);
    }

    /* Allocate a buffer for the dumps. Leave room for header and vol-trailer.
     * dataSize is amount of data to read in each rx_Read() call.
     */
    if (CONF_XBSA) {
       /* XBSA dumps have not header */
       dataSize = BufferSize;
       allocbufferSize = dataSize + sizeof(struct volumeHeader);
    } else {
       tapeblocks = BufferSize / BUTM_BLOCKSIZE;  /* # of 16K tapeblocks */
       dataSize = (tapeblocks * BUTM_BLKSIZE);
       allocbufferSize = BUTM_HDRSIZE + dataSize + sizeof(struct volumeHeader);
    }
    bufferBlock = (char *)0;
    bufferBlock = malloc(allocbufferSize);
    if (!bufferBlock) {
	ErrorLog(0, taskId, TC_NOMEMORY, 0, "Can't allocate BUFFERSIZE for dumps\n");
        ERROR_EXIT(TC_NOMEMORY);
    }

    /* Determine the dumpid of the most recent dump of this volumeset and dumplevel
     * Used when requesting a tape. Done now because once we create the dump, the
     * routine will then find the newly created dump.
     */
    sprintf(strlevel, "%d", nodePtr->level);
    code = bcdb_FindLatestDump(nodePtr->volumeSetName, strlevel, &dparams.lastDump);
    if (code) {
       if (code != BUDB_NODUMPNAME) {
	  ErrorLog(0, taskId, code, 0, "Can't read backup database\n");
	  ERROR_EXIT(code);
       }
       bzero(&dparams.lastDump, sizeof(dparams.lastDump));
    }

    code = createDump(&dparams);			/* enter dump into database */
    if (code) 
    {
	ErrorLog(0, taskId, code, 0, "Can't create dump in database\n");
	ERROR_EXIT(code);
    }

    TLog(taskId, "Dump %s (DumpID %u)\n", nodePtr->dumpSetName, dparams.databaseDumpId);

    if (!CONF_XBSA) {
       /* mount the tape and write its label */
       code = getDumpTape(&dparams, autoQuery, nodePtr->doAppend);
    } else {
       /* Create a dummy tape to satisfy backup databae */
       code = getXBSATape(&dparams);
       tapeInfo.position = 1;
    }
    if (code) {
       /* If didn't write the label, remove dump from the database */
       if ( !dparams.wroteLabel ) {
	  i = bcdb_deleteDump(dparams.databaseDumpId, 0, 0, 0);
	  if ( i && (i != BUDB_NOENT) )
	     ErrorLog(1, taskId, i, 0, "Warning: Can't delete dump %u from database\n", 
		                       dparams.databaseDumpId);
	  else 
	     dparams.databaseDumpId = 0;
       }
       ERROR_EXIT(code);			/* exit with code from getTape */
    }
	
    startTime = time(0);
    for (pass = 1; pass <= maxpass; pass++)
    {
        lastPass = (pass == maxpass);
	code = dumpPass(&dparams, pass);
	if (code) ERROR_EXIT(code);

	/* if no failed volumes, we're done */
	if ((dparams.volumesDumped + dparams.volumesFailed + dparams.volumesNotDumped) == 
	    nodePtr->arraySize) break;
    }

    /* 
     * Log the error but ignore it since the dump is effectively done.
     * Scantape may assume another volume and ask for next tape.
     */
    if (!CONF_XBSA) {
       code = butm_WriteEOT(&tapeInfo);
       if (code) TapeLog(taskId, code, tapeInfo.error, 
			 "Warning: Can't write end-of-dump on tape\n");
    }

    code = finishTape(&dparams.tape, dparams.tapeInfoPtr->kBytes + 
		                    (dparams.tapeInfoPtr->nBytes ? 1 : 0));
    if (code) ERROR_EXIT(code);

    code = finishDump(&dparams.dump);
    if (code) ERROR_EXIT(code);

    action = dparams.curVolumeStatus;
    code = flushSavedEntries(action);
    if (code) ERROR_EXIT(code);

  error_exit:
    endTime = time(0);
    Bind(0);
    if (bufferBlock) free(bufferBlock);

    if (!CONF_XBSA) {
       unmountTape(taskId, &tapeInfo);
    }
    waitDbWatcher();

    dumpedvolumes = dparams.volumesDumped;
    nodumpvolumes = dparams.volumesNotDumped;
    failedvolumes = nodePtr->arraySize - (dumpedvolumes + nodumpvolumes);

    /* pass back the number of volumes we failed to dump */
    lock_Status();
    nodePtr->statusNodePtr->volsFailed = failedvolumes;
    unlock_Status();

    lastPass = 1; /* In case we aborted */

    DUMPNAME(finishedMsg1, nodePtr->dumpSetName, dparams.databaseDumpId);
    sprintf(finishedMsg2, "%d volumes dumped", dumpedvolumes);
    if (failedvolumes)
    {
        sprintf(msg, ", %d failed", failedvolumes);
	strcat(finishedMsg2, msg);
    }
    if (nodumpvolumes)
    {
        sprintf(msg, ", %d unchanged", nodumpvolumes);
	strcat(finishedMsg2, msg);
    }

    if (code == TC_ABORTEDBYREQUEST)
    {
        ErrorLog(0, taskId, 0, 0, 
		 "%s: Aborted by request. %s\n", finishedMsg1, finishedMsg2);
	clearStatus(taskId, ABORT_REQUEST);
	setStatus  (taskId, ABORT_DONE);
    }
    else if (code)
    {
        ErrorLog(0, taskId, code, 0, 
		 "%s: Finished with errors. %s\n", finishedMsg1, finishedMsg2);
	setStatus(taskId, TASK_ERROR);
    }
    else
    {
	TLog(taskId, "%s: Finished. %s\n", finishedMsg1, finishedMsg2);
    }
    lastPass = 0;

    /* Record how long the dump took */
    if (centralLogIO && startTime) {
       long timediff;
       afs_int32 hrs, min, sec, tmp;
       char line[1024];
       struct tm tmstart, tmend;

       localtime_r(&startTime, &tmstart);
       localtime_r(&endTime, &tmend);
       timediff = (int)endTime - (int)startTime;
       hrs = timediff / 3600;
       tmp = timediff % 3600;
       min = tmp / 60;
       sec = tmp % 60;

       sprintf(line, "%-5d  %02d/%02d/%04d %02d:%02d:%02d  "
		           "%02d/%02d/%04d %02d:%02d:%02d  "
		           "%02d:%02d:%02d  "
	             "%s %d of %d volumes dumped (%ld KB)\n",
	       taskId, tmstart.tm_mon+1, tmstart.tm_mday, tmstart.tm_year+1900,
	               tmstart.tm_hour, tmstart.tm_min, tmstart.tm_sec,
	               tmend.tm_mon+1, tmend.tm_mday, tmend.tm_year+1900,
		       tmend.tm_hour, tmend.tm_min, tmend.tm_sec,
	       hrs, min, sec, nodePtr->volumeSetName, 
	       dumpedvolumes, dumpedvolumes+failedvolumes,
	       dparams.tapeInfoPtr->kBytes+1);

       fwrite(line, strlen(line), 1, centralLogIO);
       fflush(centralLogIO);
    }

    setStatus(taskId, TASK_DONE);

    FreeNode(taskId);                     /* free the dump node */
    LeaveDeviceQueue(deviceLatch);
    return(code);
}

#define BELLTIME 60     /* 60 seconds before a bell rings */
#define BELLCHAR 7      /* ascii for bell */

/* retryPrompt
 * 	prompt the user to decide how to handle a failed volume dump. The
 *	volume parameters describe the volume that failed
 * entry:
 *	volumeName - name of volume
 *	volumeId - volume id 
 *	taskId - for job contrl
 * fn return:
 *	character typed by user, one of r, o or a
 */

char
retryPrompt(volumeName, volumeId, taskId)
     char *volumeName;
     afs_int32 volumeId;
     afs_uint32 taskId;
{
    afs_int32 start;
    char ch;
    afs_int32 code = 0;

    setStatus(taskId, OPR_WAIT);
    printf("\nDump of volume %s (%u) failed\n\n", volumeName, volumeId);

    printf("Please select action to be taken for this volume\n");

again:    
    printf("r - retry, try dumping this volume again\n");
    printf("o - omit,  this volume from this dump\n");
    printf("a - abort, the entire dump\n");

    while (1) {
	FFlushInput(stdin);
	putchar(BELLCHAR);
	fflush(stdout);

	start = time(0);
	while(1) 
	{
#ifdef AFS_PTHREAD_ENV
	    code = GetResponseKey(5, &ch); /* ch stores key pressed */
#else
	    code = LWP_GetResponseKey(5, &ch); /* ch stores key pressed */
#endif
	    if (code == 1) 
		break;			/* input is available */

	    if ( checkAbortByTaskId(taskId) )
	    {
		clearStatus(taskId, OPR_WAIT);
		printf("This tape operation has been aborted by the coordinator\n");
		return 'a';
	    }

	    if (time(0) > start + BELLTIME) break;
	}
	/* otherwise, we should beep again, check for abort and go back,
	 * since the GetResponseKey() timed out.
	 */
	if (code == 1) 
	    break;			/* input is available */
    }
    clearStatus(taskId, OPR_WAIT);
    if ( ch != 'r' && ch != 'o' && ch != 'a' )
    {
	printf("Please select one of the 3 options, r, o or a\n");
	goto again;
    }

    return ch;
}

/* For testing: it prints the tape label */
printTapeLabel(tl)
   struct butm_tapeLabel *tl;
{
   printf("Tape Label\n");
   printf("   structVersion  = %d\n", tl->structVersion);
   printf("   creationTime   = %u\n", tl->creationTime);
   printf("   expirationDate = %u\n", tl->expirationDate);
   printf("   AFSName        = %s\n", tl->AFSName);
   printf("   cell           = %s\n", tl->cell);
   printf("   dumpid         = %d\n", tl->dumpid);
   printf("   useCount       = %d\n", tl->useCount);
   printf("   comment        = %s\n", tl->comment);
   printf("   pName          = %s\n", tl->pName);
   printf("   size           = %u\n", tl->size);
   printf("   dumpPath       = %s\n", tl->dumpPath);
}

/* getXBSATape
 *      Create a tape structure to be satisfy the backup database
 *      even though we don't really use a tape with XBSA.
 */
getXBSATape(dparamsPtr)
    struct dumpRock *dparamsPtr;
{
    struct dumpNode       *nodePtr      =  dparamsPtr->node;
    struct butm_tapeInfo  *tapeInfoPtr  =  dparamsPtr->tapeInfoPtr;
    struct butm_tapeLabel *tapeLabelPtr = &dparamsPtr->tapeLabel;
    afs_int32 code = 0;

    tc_MakeTapeName(dparamsPtr->tapeName, &nodePtr->tapeSetDesc, dparamsPtr->tapeSeq);

    GetNewLabel(tapeInfoPtr, ""/*pName*/, dparamsPtr->tapeName, tapeLabelPtr);
    strcpy(tapeLabelPtr->dumpPath, nodePtr->dumpName);
    tapeLabelPtr->dumpid         = dparamsPtr->databaseDumpId;
    tapeLabelPtr->expirationDate = calcExpirationDate(nodePtr->tapeSetDesc.expType,
						      nodePtr->tapeSetDesc.expDate,
						      time(0));

    /* printTapeLabel(tapeLabelPtr); For testing */

    code = useTape(&dparamsPtr->tape,
		   dparamsPtr->databaseDumpId,
		   dparamsPtr->tapeName,
		   (dparamsPtr->tapeSeq + dparamsPtr->dump.tapes.b),
		   tapeLabelPtr->useCount,
		   tapeLabelPtr->creationTime,
		   tapeLabelPtr->expirationDate,
		   0 /*tape position*/);
    return(code);
}

/* getDumpTape
 *	iterate until the desired tape (as specified by the dump structures)
 *	is mounted.
 * entry:
 *	interactiveFlag
 *		0 - assume the tape is there. Prompt if assumption false
 *		1 - prompt regardless
 */

getDumpTape(dparamsPtr, interactiveFlag, append)
     struct dumpRock *dparamsPtr;
     int interactiveFlag;
     afs_int32 append;
{
    struct dumpNode       *nodePtr         =  dparamsPtr->node;
    struct butm_tapeInfo  *tapeInfoPtr     =  dparamsPtr->tapeInfoPtr;
    struct butm_tapeLabel *newTapeLabelPtr = &dparamsPtr->tapeLabel;
    char                  AFSTapeName[TC_MAXTAPENAMELEN];
    afs_int32                 taskId           = nodePtr->taskID;
    struct butm_tapeLabel   oldTapeLabel;
    struct budb_dumpEntry   dumpEntry;
    struct budb_tapeEntry   tapeEntry;
    struct budb_volumeEntry volEntry;
    Date  oldTapeExpiration, expir;
    afs_int32 curTime;
    afs_int32 doAppend;
    afs_int32 code = 0;
    int   askForTape, opcode;
    int   tapecount = 1;
    char  strlevel[5];
    afs_int32 tapepos, lastpos;

    extern struct tapeConfig globalTapeConfig;
    extern struct udbHandleS udbHandle;
    extern afs_int32 BUDB_DeleteDump();

    askForTape = interactiveFlag;
    dparamsPtr->wroteLabel = 0;

    /* Keep prompting for a tape until we get it right */
    while (1)
    {
        /* What the name of the tape would be if not appending to it */
        tc_MakeTapeName(AFSTapeName, &nodePtr->tapeSetDesc, dparamsPtr->tapeSeq);

        doAppend = append;

	if (askForTape)
	{
	    code = PromptForTape((doAppend ? APPENDOPCODE : WRITEOPCODE), 
				 AFSTapeName, dparamsPtr->databaseDumpId, taskId, tapecount);
	    if (code) ERROR_EXIT(code);
	}
	askForTape = 1;
	tapecount++;

	/* open the tape device */
	code = butm_Mount(tapeInfoPtr, AFSTapeName);
	if (code)
	{
	    TapeLog(0, taskId, code, tapeInfoPtr->error, "Can't open tape\n");
	    goto getNewTape;
	}

	/* Read the tape label */
	code = butm_ReadLabel(tapeInfoPtr, &oldTapeLabel, 1);   /* rewind */
	if (code) {
	   if (tapeInfoPtr->error) {
	      ErrorLog(0, taskId, code, tapeInfoPtr->error, 
		       "Warning: Tape error while reading label (will proceed with dump)\n");
	   }
	   bzero(&oldTapeLabel, sizeof(oldTapeLabel));
	}

	/* Check if null tape. Prior 3.3, backup tapes have no dump id */
	if ( (strcmp(oldTapeLabel.AFSName,"") == 0) && (oldTapeLabel.dumpid == 0) )
	{
	    if (doAppend)
	    {
	        TLog(taskId, "Dump not found on tape. Proceeding with initial dump\n");
		doAppend = 0;
	    }
	}
	else if (doAppend)                          /* appending */
	{
	    /* Check that we don't have a database dump tape */
	    if ( databaseTape(oldTapeLabel.AFSName) )
	    {
	        char gotName[BU_MAXTAPELEN+32];

	        /* label does not match */
		LABELNAME(gotName, &oldTapeLabel);
	        TLog(taskId, "Can't append to database tape %s\n", gotName);
		goto getNewTape;
	    }

	    /* Verify that the tape is of version 4 (AFS 3.3) or greater */
	    if (oldTapeLabel.structVersion < TAPE_VERSION_4)
	    {
	        TLog(taskId, "Can't append: requires tape version %d or greater\n", 
		     TAPE_VERSION_4);
		goto getNewTape;
	    }

	    /* Verify that the last tape of the dump set is in the drive.
	     * volEntry will be zeroed if last dump has no volume entries.
	     */
	    code = bcdb_FindLastTape(oldTapeLabel.dumpid, &dumpEntry, &tapeEntry, &volEntry);
	    if (code) {
	       ErrorLog(0, taskId, code, 0, 
			"Can't append: Can't find last volume of dumpId %u in database\n",
			 oldTapeLabel.dumpid);
	       printf("Please scan the dump in or choose another tape\n");
	       goto getNewTape;
	    }
	    lastpos = (volEntry.position ? volEntry.position : tapeEntry.labelpos);

	    if (strcmp(TNAME(&oldTapeLabel),tapeEntry.name))
	    {
	        char expName[BU_MAXTAPELEN+32], gotName[BU_MAXTAPELEN+32];

		TAPENAME(expName, tapeEntry.name, oldTapeLabel.dumpid);
		LABELNAME(gotName, &oldTapeLabel);

	        TLog(taskId, 
		     "Can't append: Last tape in dump-set is %s, label seen %s\n",
		     expName, gotName);
		goto getNewTape;
	    }

	    /* After reading the tape label, we now know what it is */
	    strcpy (AFSTapeName,       oldTapeLabel.AFSName);    /* the real name */
	    strcpy (tapeInfoPtr->name, oldTapeLabel.AFSName);    /* the real name */

	    /* Position after last volume on the tape */
	    code = butm_SeekEODump(tapeInfoPtr, lastpos);
	    if (code) 
	    {
	        ErrorLog(0, taskId, code, tapeInfoPtr->error, 
			 "Can't append: Can't position to end of dump on tape %s\n", 
			 tapeEntry.name);
		goto getNewTape;
	    }

	    /* Track size of tape - set after seek since seek changes the value */
	    tapeInfoPtr->kBytes = tapeEntry.useKBytes;
	}
	else                         /* not appending */
	{
	    afs_uint32 tapeid;
	    afs_uint32 dmp, parent;
	    struct budb_dumpEntry de, de2;


	    /* Check if tape name is not what expected - null tapes are acceptable
	     * Don't do check if the tape has a user defined label.
	     */
	    if ( dump_namecheck && (strcmp(oldTapeLabel.pName,"")==0) )
	    {
	        if ( strcmp(oldTapeLabel.AFSName,"") &&             /* not null tape */
		     strcmp(oldTapeLabel.AFSName,AFSTapeName) )     /* not expected name */
		{
		    TLog(taskId, "Tape label expected %s, label seen %s\n", 
			 AFSTapeName, oldTapeLabel.AFSName);
		    goto getNewTape;
		}

		/* Check that we don't have a database dump tape */
		if ( databaseTape(oldTapeLabel.AFSName) )
		{
		    /* label does not match */
		    TLog(taskId, "Tape label expected %s, can't dump to database tape %s\n", 
			 AFSTapeName, oldTapeLabel.AFSName);
		    goto getNewTape;
		}
	    }

	    /* Verify the tape has not expired - only check if not appending */
	    if ( !tapeExpired(&oldTapeLabel) ) {
	        TLog(taskId, "This tape has not expired\n");
		goto getNewTape;
	    }

	    /* Given a tape dump with good data, verify we don't overwrite recent dumps
	     * and also verify that the volume will be restorable - if not print warnings
	     */
	    if (oldTapeLabel.dumpid)
	    {
		/* Do not overwrite a tape that belongs to the dump's dumpset */
	        tapeid = (dparamsPtr->initialDumpId ? dparamsPtr->initialDumpId :
			                              dparamsPtr->databaseDumpId);
		if (oldTapeLabel.dumpid == tapeid)
		{
		    ErrorLog(0, taskId, 0, 0, 
			     "Can't overwrite tape containing the dump in progress\n");
		    goto getNewTape;
		}
	    
		/* Since the dumpset on this tape will be deleted from database, check if
		 * any of the dump's parent-dumps are on this tape.
		 */
		for (dmp=nodePtr->parent; dmp; dmp=de.parent)
		{
		    code = bcdb_FindDumpByID(dmp, &de);
		    if (code) {
		        ErrorLog(0, taskId, 0, 0, 
				 "Warning: Can't find parent dump %u in backup database\n", 
				 dmp);
			break;
		    }

		    tapeid = (de.initialDumpID ? de.initialDumpID : de.id);
		    if (oldTapeLabel.dumpid == tapeid) {
		        ErrorLog(0, taskId, 0, 0, 
				 "Can't overwrite the parent dump %s (DumpID %u)\n",
				 de.name, de.id);
			goto getNewTape;
		    }
		}

		/* Since the dumpset on this tape will be deleted from database, check if
		 * any of the dumps in this dumpset are most-recent-dumps.
		 */
		for (dmp=oldTapeLabel.dumpid; dmp; dmp=de.appendedDumpID) {
		    if (dmp == dparamsPtr->lastDump.id) {
			bcopy(&dparamsPtr->lastDump, &de,  sizeof(de));
			bcopy(&dparamsPtr->lastDump, &de2, sizeof(de2));
		    }
		    else {
		        code = bcdb_FindDumpByID(dmp, &de);
			if (code) break;
			sprintf(strlevel, "%d", de.level);
		        code = bcdb_FindLatestDump(de.volumeSetName, strlevel, &de2);
			if (code) continue;
		    }

		    /* If dump on the tape is the latest dump at this level */
		    if (de.id == de2.id) {
		       if (strcmp(DUMP_TAPE_NAME,de2.name) == 0) {
			  ErrorLog(0, taskId, 0, 0, 
				   "Warning: Overwriting most recent dump %s (DumpID %u)\n",
				   de.name, de.id);
		       }
		       else {
			  ErrorLog(0, taskId, 0, 0, 
				   "Warning: Overwriting most recent dump of the '%s' volumeset: %s (DumpID %u)\n",
				   de.volumeSetName, de.name, de.id);
		       }
		    }
		}
	    }  	    /* if (oldTapeLabel.dumpid) */
	}           /* else not appending */
	
	/*
	 * Now have the right tape. Create a new label for the tape
	 * Appended labels have the dump's dumpId - labels at beginnings of 
	 *     tape have the initial dump's dumpId.
	 * Appended labels do not increment the useCount.
	 * Labels at beginnings of tape use the most future expiration of the dump set.
	 */
	GetNewLabel(tapeInfoPtr, oldTapeLabel.pName, AFSTapeName, newTapeLabelPtr);
	strcpy(newTapeLabelPtr->dumpPath, nodePtr->dumpName);
	newTapeLabelPtr->expirationDate = 
	  calcExpirationDate(nodePtr->tapeSetDesc.expType, nodePtr->tapeSetDesc.expDate, time(0));
	newTapeLabelPtr->dumpid   = dparamsPtr->databaseDumpId;
	newTapeLabelPtr->useCount = oldTapeLabel.useCount;

	if (!doAppend) {
	    newTapeLabelPtr->useCount++;
	    if (dparamsPtr->initialDumpId) {
	        newTapeLabelPtr->dumpid = dparamsPtr->initialDumpId;
		expir = ExpirationDate(dparamsPtr->initialDumpId);
		if (expir > newTapeLabelPtr->expirationDate)
		    newTapeLabelPtr->expirationDate = expir;
	    }
	}

	/* write the label on the tape - rewind if not appending and vice-versa */
	code = butm_Create(tapeInfoPtr, newTapeLabelPtr, !doAppend);
	if (code)
	{
	    char gotName[BU_MAXTAPELEN+32];

	    LABELNAME(gotName, newTapeLabelPtr);
	    TapeLog(0, taskId, code, tapeInfoPtr->error, "Can't label tape as %s\n", gotName);
	    goto getNewTape;
	}
	dparamsPtr->wroteLabel = 1;                   /* Remember we wrote the label */
	tapepos = tapeInfoPtr->position-1;

	strcpy(dparamsPtr->tapeName, TNAME(newTapeLabelPtr));

	/* If appending, set dumpentry in the database as appended. */
	if (doAppend)
	{
	    char gotName[BU_MAXTAPELEN+32];

	    nodePtr->tapeSetDesc.b = extractTapeSeq(AFSTapeName);
	    dparamsPtr->dump.tapes.b = nodePtr->tapeSetDesc.b;
	    dparamsPtr->initialDumpId = oldTapeLabel.dumpid;
	    strcpy(nodePtr->tapeSetDesc.format, dumpEntry.tapes.format);

	    code = bcdb_MakeDumpAppended(dparamsPtr->databaseDumpId, 
					 dparamsPtr->initialDumpId, nodePtr->tapeSetDesc.b);
	    if (code)
	        ErrorLog(2, taskId, code, 0,
			 "Warning: Can't append dump %u to dump %u in database\n",
			 dparamsPtr->databaseDumpId, dparamsPtr->initialDumpId);

	    LABELNAME(gotName, &oldTapeLabel);
	    TLog(taskId, "Appending dump %s (DumpID %u) to tape %s\n",
		 nodePtr->dumpSetName,  dparamsPtr->databaseDumpId, gotName);
	}

	/* If not appending, delete overwritten dump from the database */
	else
	{
	    if ( (oldTapeLabel.structVersion >= TAPE_VERSION_3) && oldTapeLabel.dumpid )
	    {
	        code = bcdb_deleteDump(oldTapeLabel.dumpid, 0, 0, 0);
		if ( code && (code != BUDB_NOENT) )
	            ErrorLog(0, taskId, code, 0, 
			     "Warning: Can't delete old dump %u from database\n",
			     oldTapeLabel.dumpid);
	    }
	}

	code = useTape(&dparamsPtr->tape, 
		        dparamsPtr->databaseDumpId,
		        dparamsPtr->tapeName,
		       (dparamsPtr->tapeSeq + dparamsPtr->dump.tapes.b),
		        newTapeLabelPtr->useCount, 
		        newTapeLabelPtr->creationTime, 
		        newTapeLabelPtr->expirationDate,
		        tapepos);

	/*
	 * The margin of space to check for end of tape is set to the
	 * amount of space used to write an end-of-tape multiplied by 2.
	 * The amount of space is size of a 16K volume trailer, a 16K File
	 * End mark, its EOF marker, a 16K EODump marker, its EOF marker,
	 * and up to two EOF markers done on close (3 16K blocks + 4 EOF
	 * markers).
	 */
	tc_EndMargin  = (3 * 16384 + 4 * globalTapeConfig.fileMarkSize) * 2;
	tc_KEndMargin = tc_EndMargin / 1024;
	break;

      getNewTape:
	unmountTape(taskId, tapeInfoPtr);
    }

error_exit:
    return(code);
}

makeVolumeHeader(vhptr, dparamsPtr, fragmentNumber)
     struct volumeHeader *vhptr;
     struct dumpRock *dparamsPtr;
     int fragmentNumber;
{
    struct dumpNode *nodePtr = dparamsPtr->node;
    struct tc_dumpDesc *curDump;
    afs_int32 code = 0;

    curDump = &nodePtr->dumps[dparamsPtr->curVolume];

    bzero(vhptr, sizeof(*vhptr));
    strcpy(vhptr->volumeName, curDump->name);
    vhptr->volumeID = curDump->vid;
    vhptr->cloneDate = curDump->cloneDate;
    vhptr->server = curDump->hostAddr;
    vhptr->part = curDump->partition;
    vhptr->from = curDump->date;
    vhptr->frag = fragmentNumber;
    vhptr->contd = 0;
    vhptr->magic = TC_VOLBEGINMAGIC;
    vhptr->dumpID = dparamsPtr->databaseDumpId;	/* real dump id */
    vhptr->level = nodePtr->level;
    vhptr->parentID = nodePtr->parent;
    vhptr->endTime = 0;
    vhptr->versionflags = CUR_TAPE_VERSION;
    strcpy(vhptr->dumpSetName, nodePtr->dumpSetName);
    strcpy(vhptr->preamble,"H++NAME#");
    strcpy(vhptr->postamble,"T--NAME#");
error_exit:
    return (code);
}

volumeHeader_hton(hostPtr, netPtr)
     struct volumeHeader *hostPtr, *netPtr;
{
    struct volumeHeader volHdr;

    strcpy(volHdr.preamble,    hostPtr->preamble);
    strcpy(volHdr.postamble,   hostPtr->postamble);
    strcpy(volHdr.volumeName,  hostPtr->volumeName);
    strcpy(volHdr.dumpSetName, hostPtr->dumpSetName);
    volHdr.volumeID     = htonl(hostPtr->volumeID);
    volHdr.server       = htonl(hostPtr->server);
    volHdr.part         = htonl(hostPtr->part);
    volHdr.from         = htonl(hostPtr->from);
    volHdr.frag         = htonl(hostPtr->frag);
    volHdr.magic        = htonl(hostPtr->magic);
    volHdr.contd        = htonl(hostPtr->contd);
    volHdr.dumpID       = htonl(hostPtr->dumpID);
    volHdr.level        = htonl(hostPtr->level);
    volHdr.parentID     = htonl(hostPtr->parentID);
    volHdr.endTime      = htonl(hostPtr->endTime);
    volHdr.versionflags = htonl(hostPtr->versionflags);
    volHdr.cloneDate    = htonl(hostPtr->cloneDate);

    bcopy(&volHdr, netPtr, sizeof(struct volumeHeader));
}

/* database related routines */

afs_int32
createDump(dparamsPtr)
     struct dumpRock *dparamsPtr;
{
    struct dumpNode *nodePtr = dparamsPtr->node;
    struct budb_dumpEntry *dumpPtr;
    afs_int32 code = 0;

    dumpPtr = &dparamsPtr->dump;
    bzero(dumpPtr, sizeof(*dumpPtr));

    /* id filled in by database */
    dumpPtr->parent = nodePtr->parent;
    dumpPtr->level  = nodePtr->level;
    dumpPtr->flags  = 0;
#ifdef xbsa
    if (CONF_XBSA) {
       if (xbsaType == XBSA_SERVER_TYPE_ADSM) {
	  strcpy(dumpPtr->tapes.tapeServer, butxInfo.serverName);
	  dumpPtr->flags = BUDB_DUMP_ADSM;
       }
       if (!(butxInfo.serverType & XBSA_SERVER_FLAG_MULTIPLE)) {
	  /* The current server (API) doesn't provide the function required
	   * to specify a server at startup time.  For that reason, we can't
	   * be sure that the server name supplied by the user in the user-
	   * defined configuration file is correct.  We set a flag here so
	   * we know at restore time that the servername info in the backup
	   * database may be incorrect.  We will not allow a server switch
	   * at that time, even if the server at restore time supports
	   * multiple servers.
	   */
	  dumpPtr->flags |= BUDB_DUMP_XBSA_NSS;
       }
    }
#endif
    strcpy(dumpPtr->volumeSetName, nodePtr->volumeSetName);
    strcpy(dumpPtr->dumpPath,      nodePtr->dumpName);
    strcpy(dumpPtr->name,          nodePtr->dumpSetName);
    dumpPtr->created       = 0;                     /* let database assign it */
    dumpPtr->incTime       = 0;	                    /* not really used */
    dumpPtr->nVolumes      = 0;
    dumpPtr->initialDumpID = 0;

    dumpPtr->tapes.id       = groupId;
    dumpPtr->tapes.b        = 1;
    dumpPtr->tapes.maxTapes = 0;
    strcpy(dumpPtr->tapes.format, nodePtr->tapeSetDesc.format);

    /* principal filled in by database */

    /* now call the database to create the entry */
    code = bcdb_CreateDump(dumpPtr);
    if (code == 0) dparamsPtr->databaseDumpId = dumpPtr->id;

    return(code);
}

#ifdef xbsa
/* InitToServer:
 * Initialize to a specific server. The first time, we remember the
 * server as the original server and go back to it each time we pass 0
 * as the server.
 */
afs_int32 InitToServer(afs_int32 taskId, struct butx_transactionInfo *butxInfoP, char *server)
{
   static char origserver[BSA_MAX_DESC];
   static int  init=0;
   afs_int32 rc, code=0;

   if (!init) {
      strcpy(origserver,"");
      init = 1;
   }

   if (!server) server = origserver;               /* return to original server */
   if (strcmp(server,"") == 0) return 0;           /* No server, do nothing */
   if (strcmp(butxInfoP->serverName,server) == 0) return 0;   /* same server, do nothing */
   if (strcmp(origserver,"") == 0) strcpy(origserver, server);/* remember original server */

   if (strcmp(butxInfoP->serverName,"") != 0) {
      /* If already connected to a server, disconnect from it.
       * Check to see if our server does not support switching.
       */
      if (!(butxInfo.serverType & XBSA_SERVER_FLAG_MULTIPLE)) {
	 ErrorLog(0, taskId, TC_BADTASK, 0, 
		  "This version of XBSA libraries does not support switching "
		  "from server %s to server %s\n",
		  butxInfoP->serverName, server);
	 return(TC_BADTASK);
      }

      rc = xbsa_Finalize(&butxInfo);
      if (rc != XBSA_SUCCESS) {
	 ErrorLog(0, taskId, rc, 0, 
		  "InitToServer: Unable to terminate the connection to server %s\n",
		  butxInfoP->serverName);
	 ERROR_EXIT(rc);
      }
   }

   /* initialize to the new server */
   rc = xbsa_Initialize(&butxInfo, xbsaObjectOwner, appObjectOwner, xbsaSecToken, server);
   if (rc != XBSA_SUCCESS) {
      ErrorLog(0, taskId, rc, 0,
	       "InitToServer: Unable to initialize the XBSA library to server %s\n",
	       server);
      ERROR_EXIT(rc);
   }

  error_exit:
   return(code);
}


/* DeleteDump
 *
 */
DeleteDump(ptr) 
   struct deleteDumpIf *ptr;
{
    afs_int32 taskId;
    afs_int32 rc, code=0;
    afs_uint32 dumpid;
    afs_int32 index, next, dbTime;
    budb_volumeList vl;
    struct budb_dumpEntry dumpEntry;
    char tapeName[BU_MAXTAPELEN];
    char dumpIdStr[XBSA_MAX_OSNAME];
    char volumeNameStr[XBSA_MAX_PATHNAME];
    afs_int32 i;
    int intrans=0;
    int allnotfound=1, onenotfound=0;
    extern struct udbHandleS udbHandle;
    extern struct deviceSyncNode *deviceLatch;

    setStatus(taskId, DRIVE_WAIT);
    EnterDeviceQueue(deviceLatch);
    clearStatus(taskId, DRIVE_WAIT);

    dumpid = ptr->dumpID;
    taskId = ptr->taskId;                              /* Get task Id */

    printf("\n\n");
    TapeLog(2, taskId, 0, 0, "Delete Dump %u\n", dumpid);

    vl.budb_volumeList_len = 0;
    vl.budb_volumeList_val = 0;
    tapeName[0] = '\0';

    /* Get the dump info for the dump we are deleting */
    rc = bcdb_FindDumpByID(dumpid, &dumpEntry);
    if (rc) {
       ErrorLog(0, taskId, rc, 0, "Unable to locate dump ID %u in database\n", dumpid);
       setStatus(taskId, TASK_ERROR);
       ERROR_EXIT(rc);
    }

    /* we must make sure that we are configured with the correct type of
     * XBSA server for this dump delete! Only those dumped to an ADSM server.
     */
    if ( (xbsaType == XBSA_SERVER_TYPE_ADSM) &&
	 !((dumpEntry.flags & (BUDB_DUMP_ADSM | BUDB_DUMP_BUTA))) ) {
       ErrorLog(0, taskId, TC_BADTASK, 0, 
		"The dump %u requested for deletion is incompatible with this instance of butc\n",
		dumpid);
       setStatus(taskId, TASK_ERROR);
       ERROR_EXIT(TC_BADTASK);
    }

    /* Make sure we are connected to the correct server. If not, switch to it if appropriate */
    if ( (strlen((char *)dumpEntry.tapes.tapeServer) != 0) &&
	 (strcmp((char *)dumpEntry.tapes.tapeServer,butxInfo.serverName) != 0)) {

       /* Check to see if the tapeServer name is trustworthy */
       if ((dumpEntry.flags & (BUDB_DUMP_XBSA_NSS | BUDB_DUMP_BUTA)) && !forcemultiple) {
	  /* The dump was made with a version of the XBSA interface
	   * that didn't allow switching of servers, we can't be sure
	   * that the servername in the backup database is correct.  So,
	   * we will check the servername and log it if they don't match;
	   * but we will try to do the delete without switching servers.
	   */
	  TLog(taskId, "The dump %d requested for deletion is on server %s "
	               "but butc is connected to server %s "
	               "(Attempting to delete the dump anyway)\n",
	       dumpid, (char *)dumpEntry.tapes.tapeServer, butxInfo.serverName);
       } else {
	  TLog(taskId, "The dump %u requested for deletion is on server %s "
	               "but butc is connected to server %s "
	               "(switching servers)\n",
	       dumpid, (char *)dumpEntry.tapes.tapeServer, butxInfo.serverName);

	  rc = InitToServer(taskId, &butxInfo, (char *)dumpEntry.tapes.tapeServer);
	  if (rc != XBSA_SUCCESS) {
	     setStatus(taskId, TASK_ERROR);
	     ERROR_EXIT(rc);
	  }
       }
    }

    /* Start a new Transaction */
    rc = xbsa_BeginTrans(&butxInfo);
    if (rc != XBSA_SUCCESS) {
       ErrorLog(0, taskId, rc, 0, "Unable to create a new transaction\n");
       setStatus(taskId, TASK_ERROR);
       ERROR_EXIT(rc);
    }
    intrans = 1;

    /* Query the backup database for list of volumes to delete */
    for (index=next=0; index!=-1; index=next) {
       rc = ubik_Call_SingleServer(BUDB_GetVolumes, udbHandle.uh_client,
				   UF_SINGLESERVER, BUDB_MAJORVERSION,
				   BUDB_OP_DUMPID,
				   tapeName, dumpid,
				   0,
				   index, &next,
				   &dbTime, &vl);
       if (rc) {
	  if (rc == BUDB_ENDOFLIST) break;
	  ErrorLog(0, taskId, rc, 0, "Can't find volume info for dump %d\n", dumpid);
	  setStatus(taskId, TASK_ERROR);
	  ERROR_EXIT(rc);
       }	     

       /* Delete all volumes on the list */
       for (i=0; i<vl.budb_volumeList_len; i++) {
	  if (dumpEntry.flags & BUDB_DUMP_BUTA) {
	     /* dump was from buta, use old buta style names */
	     sprintf(dumpIdStr, "/%d", dumpid);
	     strcpy(volumeNameStr, "/");
	     strcat(volumeNameStr, (char *)vl.budb_volumeList_val[i].name);
	  } else { /* BUDB_DUMP_ADSM */
	     /* dump was from butc to ADSM, use butc names */
	     strcpy(dumpIdStr, butcdumpIdStr);
	     sprintf(volumeNameStr, "/%d", dumpid);
	     strcat(volumeNameStr, "/");
	     strcat(volumeNameStr, (char *)vl.budb_volumeList_val[i].name);
	  }

	  rc = xbsa_DeleteObject(&butxInfo, dumpIdStr, volumeNameStr);
	  if (rc != XBSA_SUCCESS) {
	     ErrorLog(0, taskId, rc, 0, 
		      "Unable to delete the object %s of dump %s from the server\n",
		      volumeNameStr, dumpIdStr);
	     /* Don't exit if volume was not found */
	     if (rc != BUTX_DELETENOVOL) {
	       allnotfound = 0;
	       ERROR_EXIT(rc);
	     }
	     onenotfound = 1;
	  } else {
	     allnotfound = 0;
	     TLog(0, "Deleted volume %s (%u) in dumpID %u from the backup server\n",
		  vl.budb_volumeList_val[i].name, vl.budb_volumeList_val[i].id, dumpid);
	  }
       }

	/* free the memory allocated by RPC for this list */
	if (vl.budb_volumeList_val) free(vl.budb_volumeList_val);
	vl.budb_volumeList_len = 0;
	vl.budb_volumeList_val = 0;
    }

  error_exit:
    if (intrans) {
       rc = xbsa_EndTrans(&butxInfo);
       if (rc != XBSA_SUCCESS) {
	  ErrorLog(0, taskId, rc, 0, "Unable to terminate the current transaction\n");
	  setStatus(taskId, TASK_ERROR);
	  ERROR_EXIT(rc);
       }
    }

    /* Switch back to the original server */
    rc = InitToServer(taskId, &butxInfo, (char *)0);

    if (vl.budb_volumeList_val) free(vl.budb_volumeList_val);

    setStatus(taskId, TASK_DONE);
    FreeNode(taskId);                     /* free the dump node */
    LeaveDeviceQueue(deviceLatch);

    /* If we don't find any dumps on the server, rather than returning
     * a success, return a failure.
     */
    if (!code && onenotfound && allnotfound) {
       code = BUTX_DELETENOVOL;
       setStatus(taskId, TASK_ERROR);
    }
    return(code);
}
#endif
