561 lines
15 KiB
C
561 lines
15 KiB
C
/*
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* This function controls our communication with TSM
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*/
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#define BUFLEN (64*1024-4)
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include "dsmrc.h"
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#include "dsmapitd.h"
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#include "dsmapifp.h"
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#include "../tsmpipe.h"
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int tsm_matchone_cb(dsmQueryType qType, DataBlk *qResp, void *userdata, dsmBool_t friendly) {
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struct matchone_cb_data *cbdata = userdata;
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if (friendly)
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debugLog(0,__func__,"ERROR: Friendly is set?",1);
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cbdata->numfound++;
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if (qType == qtArchive) {
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qryRespArchiveData *qr = (void *) qResp->bufferPtr;
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cbdata->objId = qr->objId;
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} else if(qType == qtBackup) {
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qryRespBackupData *qr = (void *) qResp->bufferPtr;
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cbdata->objId = qr->objId;
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cbdata->copyGroup = qr->copyGroup;
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} else {
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fprintf(stderr,"%s: UNKNOWN Type %d\n",__func__,qType);
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return -1;
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}
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if (cbdata->numfound > 1) {
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debugLog(0,__func__,"FAILED: The file specification matched multiple files.",0);
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return -1;
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}
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return 1;
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}
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/* Read/Write a buffer full of data from file descripter */
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ssize_t rw_full(int fd, void *buf, size_t count) {
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ssize_t done=0;
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ssize_t len=0;
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while (count) {
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if (fd == STDIN_FILENO) {
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len = read(fd,buf+done,count);
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} else if (fd == STDOUT_FILENO) {
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len = write(fd,buf+done,count);
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} else {
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debugLog(0,__func__,"ERROR: Unknown FD",4);
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}
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if (len == 0) {
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break;
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} else if (len < 0) {
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if (errno == EINTR) {
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continue;
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} else {
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if (done == 0)
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done = -1;
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break;
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}
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}
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count -= len;
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done += len;
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}
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return done;
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}
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/* Register a filespace in TSM */
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int tsm_regfs(dsUint32_t dsmHandle, char *fsname) {
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dsInt16_t rc=0;
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regFSData regFS;
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memset(®FS, 0, sizeof(regFS));
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regFS.fsName = fsname;
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regFS.fsType = "TSMPIPE";
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rc = dsmRegisterFS(dsmHandle,®FS);
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if (rc != DSM_RC_OK && rc != DSM_RC_FS_ALREADY_REGED) {
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printf("%s: dsmRegisterFS() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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return 1;
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}
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/* Send data to TSM for storage */
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#ifdef USE_DIGEST
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double tsm_sendfile(dsUint32_t dsmHandle, char *fsname, char *filename, long long length, char *description, dsmSendType sendtype, dsBool_t startstop, dsBool_t summary, char *digest) {
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#else
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double tsm_sendfile(dsUint32_t dsmHandle, char *fsname, char *filename, long long length, char *description, dsmSendType sendtype, dsBool_t startstop, dsBool_t summary) {
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#endif
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extern int verbose;
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char *buffer;
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dsInt16_t rc=0;
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dsmObjName objName;
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mcBindKey mcBindKey;
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ObjAttr objAttr;
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DataBlk dataBlk;
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sndArchiveData archData, *archDataP=NULL;
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ssize_t nbytes;
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dsmEndSendObjExIn_t dsmEndSendObjExIn;
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dsmEndSendObjExOut_t dsmEndSendObjExOut;
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dsUint16_t reason=0;
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buffer = malloc(BUFLEN);
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if (buffer==NULL) {
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perror("tsm_sendfile: Argh, out of memory?");
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exit(255);
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}
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#ifdef USE_DIGEST
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char digest_str[EVP_MAX_MD_SIZE*2];
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EVP_MD_CTX *mdctx;
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const EVP_MD *md=NULL;
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unsigned char md_value[EVP_MAX_MD_SIZE];
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unsigned int md_len, i;
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mdctx = NULL;
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if (digest) {
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OpenSSL_add_all_digests();
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md = EVP_get_digestbyname(digest);
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if (! md) {
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printf("%s: Unknown message digest %s\n",__func__,digest);
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return 0;
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}
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}
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#endif
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// Register our filespace
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if (! tsm_regfs(dsmHandle,fsname))
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exit(3);
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// Warn if we wont do compression
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if (verbose && compressEnabled && length <= DSM_MIN_COMPRESS_SIZE)
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fprintf(stderr,"%s: WARNING: Size (%i) too small for compression/de-duplication, even though it is enabled",__func__,(int)length);
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// Log start backup
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if (startstop)
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tsm_datefs(dsmHandle,fsname,DSM_FSUPD_BACKSTARTDATE);
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// Start a Transaction
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rc = dsmBeginTxn(dsmHandle);
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if (rc != DSM_RC_OK) {
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printf("%s: dsmBeginTxn() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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memset(&objName,0x00,sizeof(objName));
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objName = dsmNameToObjname(fsname,filename);
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if (verbose)
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fprintf(stderr,"%s: Starting to send stdin as %s\n",__func__,dsmObjnameToStr(objName));
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memset(&mcBindKey,0x00,sizeof(mcBindKey));
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mcBindKey.stVersion = mcBindKeyVersion;
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rc = dsmBindMC(dsmHandle,&objName,sendtype,&mcBindKey);
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if (rc != DSM_RC_OK) {
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printf("%s: dsmBindMC() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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if (verbose > 1) {
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char *cgdest=NULL;
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fprintf(stderr,"%s: Bound to Management Class: %s\n",__func__,mcBindKey.mcName);
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if ((sendtype == stArchiveMountWait || sendtype == stArchive) && mcBindKey.archive_cg_exists) {
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cgdest = mcBindKey.archive_copy_dest;
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} else if ((sendtype == stBackupMountWait || sendtype == stBackup) && mcBindKey.backup_cg_exists) {
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cgdest = mcBindKey.backup_copy_dest;
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} else {
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fprintf(stderr,"%s: UNKNOWN Type %d\n",__func__,sendtype);
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return -1;
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}
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if (cgdest)
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fprintf(stderr,"%s: Destination Copy Group: %s\n",__func__,cgdest);
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}
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memset(&objAttr,0x00,sizeof(ObjAttr));
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objAttr.stVersion = ObjAttrVersion;
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*objAttr.owner = '\0';
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objAttr.sizeEstimate.hi = length >> 32;
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objAttr.sizeEstimate.lo = length & ~0U;
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objAttr.objCompressed = bFalse;
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// @todo Could we use the objinfo field?
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if (sendtype == stArchiveMountWait || sendtype == stArchive) {
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memset(&archData,0x00,sizeof(sndArchiveData));
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archData.stVersion = sndArchiveDataVersion;
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archData.descr = description;
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archDataP = &archData;
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}
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rc = dsmSendObj(dsmHandle,sendtype,archDataP,&objName,&objAttr,NULL);
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if (rc != DSM_RC_OK) {
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printf("%s: dsmSendObj() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return(0);
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}
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#ifdef USE_DIGEST
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if (digest) {
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mdctx = EVP_MD_CTX_new();
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EVP_DigestInit_ex(mdctx, md, NULL);
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}
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#endif
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memset(&dataBlk,0x00,sizeof(DataBlk));
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dataBlk.stVersion = DataBlkVersion;
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while(1) {
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nbytes = rw_full(STDIN_FILENO,buffer,BUFLEN);
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if (nbytes < 0) {
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perror("tsm_sendmail: read");
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return 0;
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} else if (nbytes == 0) {
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break;
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}
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#ifdef USE_DIGEST
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if (digest)
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EVP_DigestUpdate(mdctx, buffer, nbytes);
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#endif
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dataBlk.bufferLen = nbytes;
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dataBlk.numBytes = 0;
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dataBlk.bufferPtr = buffer;
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rc = dsmSendData(dsmHandle,&dataBlk);
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if (rc != DSM_RC_OK && rc != DSM_RC_COMPRESS_GREW) {
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printf("%s: dsmSendData() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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}
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memset(&dsmEndSendObjExIn,0x00,sizeof(dsmEndSendObjExIn_t));
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memset(&dsmEndSendObjExOut,0x00,sizeof(dsmEndSendObjExOut_t));
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dsmEndSendObjExIn.stVersion = dsmEndSendObjExInVersion;
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dsmEndSendObjExIn.dsmHandle = dsmHandle;
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dsmEndSendObjExOut.stVersion = dsmEndSendObjExOutVersion;
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if ((rc = dsmEndSendObjEx(&dsmEndSendObjExIn,&dsmEndSendObjExOut)) != DSM_RC_OK) {
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printf("%s: dsmEndSendObjEx() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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rc = dsmEndTxn(dsmHandle,DSM_VOTE_COMMIT,&reason);
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if (rc == DSM_RC_CHECK_REASON_CODE || (rc == DSM_RC_OK && reason != DSM_RC_OK)) {
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printf("%s: dsmEndTxn() failed %s\n",__func__,tsm_printerr(dsmHandle,reason));
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return 0;
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} else if(rc != DSM_RC_OK) {
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printf("%s: dsmEndTxn() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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#ifdef USE_DIGEST
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if (digest) {
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EVP_DigestFinal_ex(mdctx, md_value, &md_len);
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EVP_MD_CTX_free(mdctx);
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for(i=0; i<md_len; i++)
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sprintf(digest_str+(i*2), "%02x", md_value[i]);
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digest_str[strlen(digest_str)+1] = '\0';
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printf("%s %s (%s)",digest_str,dsmObjnameToStr(objName),digest);
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}
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objAttr.objInfo=digest_str;
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objAttr.objInfoLength = md_len*2;
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#endif
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// Update our object with its correct size
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objAttr.sizeEstimate.hi = dsmEndSendObjExOut.totalBytesSent.hi;
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objAttr.sizeEstimate.lo = dsmEndSendObjExOut.totalBytesSent.lo;
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rc = dsmUpdateObj(dsmHandle,sendtype,archDataP,&objName,&objAttr,DSM_BACKUPD_OBJINFO | DSM_ARCHUPD_OBJINFO);
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// Log start backup
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if (startstop) {
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tsm_datefs(dsmHandle,fsname,DSM_FSUPD_BACKCOMPLETEDATE);
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tsm_updatefs(dsmHandle,fsname,dsmSizeToNum(dsmEndSendObjExOut.totalBytesSent,bFalse));
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}
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if (summary) {
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if (! digest)
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printf("%s",dsmObjnameToStr(objName));
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printf(" [%5.3f/%5.3f/%5.3f/%5.3f] (%s/%s)",
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dsmSizeToNum(dsmEndSendObjExOut.totalBytesSent,bTrue),
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dsmEndSendObjExOut.objDeduplicated ? dsmSizeToNum(dsmEndSendObjExOut.totalDedupSize,bTrue) : 0.0,
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dsmEndSendObjExOut.objCompressed ? dsmSizeToNum(dsmEndSendObjExOut.totalCompressSize,bTrue) : 0.0,
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dsmSizeToNum(dsmEndSendObjExOut.totalLFBytesSent,bTrue) ? dsmSizeToNum(dsmEndSendObjExOut.totalLFBytesSent,bTrue) : 0.0,
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dsmEndSendObjExOut.encryptionType ? ( DSM_ENCRYPT_CLIENTENCRKEY ? "CLIENTENCRKEY" : DSM_ENCRYPT_USER ? "USER" : "NO" ) : "-",
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dsmEndSendObjExOut.encryptionType ? ( DSM_ENCRYPT_AES_128BIT ? "AES_128BIT" : DSM_ENCRYPT_DES_56BIT ? "DES_56BIT" : "NONE" ) : "-");
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}
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if (digest || summary)
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printf("\n");
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return dsmSizeToNum(dsmEndSendObjExOut.totalBytesSent,bFalse);
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}
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/* Get data from TSM for restore */
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int tsm_restorefile(dsUint32_t dsmHandle, dsmQueryType qType, qryArchiveData qaData, qryBackupData qbData) {
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extern int verbose;
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dsInt16_t rc=0;
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struct matchone_cb_data cbdata;
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dsmGetList getList;
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DataBlk dataBlk;
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dsmGetType gType;
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dsmBool_t friendly=bFalse;
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memset(&cbdata,0x00,sizeof(cbdata));
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cbdata.numfound = 0;
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if (qType == qtArchive) {
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if (verbose)
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fprintf(stderr,"%s: Starting to receive %s via stdin\n",__func__,dsmObjnameToStr(*qaData.objName));
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gType = gtArchive;
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rc = tsm_queryfile(dsmHandle,qType,tsm_matchone_cb,&cbdata,qaData,qbData,friendly);
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} else if (qType == qtBackup) {
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if (verbose)
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fprintf(stderr,"%s: Starting to receive %s via stdin\n",__func__,dsmObjnameToStr(*qbData.objName));
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gType = gtBackup;
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rc = tsm_queryfile(dsmHandle,qType,tsm_matchone_cb,&cbdata,qaData,qbData,friendly);
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} else {
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fprintf(stderr,"%s: UNKNOWN Type %d\n",__func__,qType);
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return -1;
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}
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if (rc != DSM_RC_OK)
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return 0;
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if (cbdata.numfound == 0) {
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debugLog(0,__func__,"FAILED: The file specification did not match any file.",0);
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return 0;
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}
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memset(&getList,0x00,sizeof(dsmGetList));
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getList.stVersion = dsmGetListVersion;
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getList.numObjId = 1;
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getList.objId = &cbdata.objId;
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getList.partialObjData = NULL;
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rc = dsmBeginGetData(dsmHandle,bTrue,gType,&getList);
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if (rc != DSM_RC_OK) {
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printf("%s: dsmBeginGetData() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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memset(&dataBlk,0x00,sizeof(DataBlk));
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dataBlk.stVersion = DataBlkVersion;
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dataBlk.bufferPtr = malloc(BUFLEN);
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if (!dataBlk.bufferPtr) {
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perror("tsm_restorefile: malloc");
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return 0;
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}
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dataBlk.bufferLen = BUFLEN;
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dataBlk.numBytes = 0;
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rc = dsmGetObj(dsmHandle,&cbdata.objId,&dataBlk);
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while (rc == DSM_RC_MORE_DATA) {
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if (rw_full(STDOUT_FILENO,dataBlk.bufferPtr,dataBlk.numBytes) < 0) {
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perror("tsm_restorefile: write");
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return 0;
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}
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dataBlk.numBytes = 0;
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rc = dsmGetData(dsmHandle,&dataBlk);
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}
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if (rc != DSM_RC_FINISHED) {
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printf("%s: dsmGetObj()/dsmGetData() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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if (rw_full(STDOUT_FILENO,dataBlk.bufferPtr,dataBlk.numBytes) < 0) {
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perror("tsm_restorefile: write");
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return 0;
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}
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rc = dsmEndGetObj(dsmHandle);
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if (rc != DSM_RC_OK) {
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printf("%s: dsmEndGetObj() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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rc = dsmEndGetData(dsmHandle);
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if (rc != DSM_RC_OK) {
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printf("%s: dsmEndGetData() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
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return 0;
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}
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return 1;
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}
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/* Delete data in TSM */
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int tsm_deletefile(dsUint32_t dsmHandle, dsmQueryType qType, qryArchiveData qaData, qryBackupData qbData) {
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extern int verbose;
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dsInt16_t rc=0;
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dsUint16_t reason=0;
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dsmDelType dType;
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dsmDelInfo delInfo;
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struct matchone_cb_data cbdata;
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dsmBool_t friendly=bFalse;
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cbdata.numfound = 0;
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/** Our purge function uses qtReserved8 - this will break in a future release of the API **/
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rc = tsm_queryfile(dsmHandle,((qType == qtBackup || qType == qtReserved8) ? qtBackup : qtArchive),tsm_matchone_cb,&cbdata,qaData,qbData,friendly);
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if (rc != DSM_RC_OK) {
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return 0;
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}
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if (cbdata.numfound == 0) {
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debugLog(0,__func__,"FAILED: The file specification did not match any file.",0);
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return 0;
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}
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if (qType == qtArchive) {
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if (verbose)
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fprintf(stderr,"%s: Deleting archive file %s\n",__func__,dsmObjnameToStr(*qaData.objName));
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dType = dtArchive;
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delInfo.archInfo.stVersion = delArchVersion;
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delInfo.archInfo.objId = cbdata.objId;
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} else if (qType == qtBackup) {
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if (verbose)
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fprintf(stderr,"%s: Deleting backup file %s with id [%u-%u]\n",__func__,dsmObjnameToStr(*qbData.objName),cbdata.objId.hi,cbdata.objId.lo);
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dType = dtBackup;
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dsmObjName objName;
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memset(&objName,0x00,sizeof(objName));
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strcpy(objName.fs,qbData.objName->fs);
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strcpy(objName.hl,qbData.objName->hl);
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strcpy(objName.ll,qbData.objName->ll);
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objName.objType = DSM_OBJ_FILE;
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delInfo.backInfo.stVersion = delBackVersion;
|
|
delInfo.backInfo.objNameP = &objName;
|
|
delInfo.backInfo.copyGroup = cbdata.copyGroup;
|
|
|
|
/** Our purge function uses qtReserved8 - this will break in a future release of the API **/
|
|
} else if (qType == qtReserved8) {
|
|
if (verbose)
|
|
fprintf(stderr,"%s: Purging backup file %s with id [%u-%u]\n",__func__,dsmObjnameToStr(*qbData.objName),cbdata.objId.hi,cbdata.objId.lo);
|
|
|
|
dType = dtBackupID;
|
|
|
|
delInfo.backIDInfo.stVersion = delBackIDVersion;
|
|
delInfo.backIDInfo.objId = cbdata.objId;
|
|
|
|
} else {
|
|
fprintf(stderr,"%s: UNKNOWN Type %d\n",__func__,qType);
|
|
return -1;
|
|
}
|
|
|
|
rc = dsmBeginTxn(dsmHandle);
|
|
if (rc != DSM_RC_OK) {
|
|
printf("%s: dsmBeginTxn() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
|
|
return 0;
|
|
}
|
|
|
|
rc = dsmDeleteObj(dsmHandle,dType,delInfo);
|
|
if (rc != DSM_RC_OK) {
|
|
printf("%s: dsmDeleteObj() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
|
|
return 0;
|
|
}
|
|
|
|
rc = dsmEndTxn(dsmHandle,DSM_VOTE_COMMIT,&reason);
|
|
if (rc == DSM_RC_CHECK_REASON_CODE || (rc == DSM_RC_OK && reason != DSM_RC_OK)) {
|
|
printf("%s: dsmEndTxn() failed %s\n",__func__,tsm_printerr(dsmHandle,reason));
|
|
return 0;
|
|
|
|
} else if (rc != DSM_RC_OK) {
|
|
printf("%s: dsmEndTxn() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Update the FS capacity and utilsation */
|
|
int tsm_updatefs(dsUint32_t dsmHandle, char *fsname, long long size) {
|
|
dsInt16_t rc=0;
|
|
dsmFSUpd fsUpdateP;
|
|
|
|
memset(&fsUpdateP,0x00,sizeof(dsmFSUpd));
|
|
fsUpdateP.occupancy.hi = size >> 32;
|
|
fsUpdateP.occupancy.lo = size & ~0U;
|
|
fsUpdateP.capacity = fsUpdateP.occupancy;
|
|
|
|
rc = dsmUpdateFS(dsmHandle,fsname,&fsUpdateP,DSM_FSUPD_OCCUPANCY | DSM_FSUPD_CAPACITY);
|
|
|
|
if (rc != DSM_RC_OK) {
|
|
printf("%s: dsmUpdateFS() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int tsm_datefs(dsUint32_t dsmHandle, char *fsname, int startstop) {
|
|
dsInt16_t rc=0;
|
|
dsmFSUpd fsUpdateP;
|
|
|
|
memset(&fsUpdateP,0x00,sizeof(dsmFSUpd));
|
|
rc = dsmUpdateFS(dsmHandle,fsname,&fsUpdateP,startstop);
|
|
|
|
if (rc != DSM_RC_OK) {
|
|
printf("%s: dsmUpdateFS() failed %s\n",__func__,tsm_printerr(dsmHandle,rc));
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|