* record.c -- tape record handling functions
*
* Kern Sibbald, April MMI
+ * added BB02 format October MMII
*
* Version $Id$
*
*/
/*
- Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
+ Copyright (C) 2000-2004 Kern Sibbald and John Walker
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
* record as a Label, otherwise it is simply
* the FileIndex of the current file.
*/
-char *FI_to_ascii(int fi)
+const char *FI_to_ascii(int fi)
{
static char buf[20];
if (fi >= 0) {
return "SOS_LABEL";
case EOS_LABEL:
return "EOS_LABEL";
+ case EOT_LABEL:
+ return "EOT_LABEL";
+ break;
default:
sprintf(buf, "unknown: %d", fi);
return buf;
/*
* Convert a Stream ID into a printable
* ASCII string. Not reentrant.
+
+ * A negative stream number represents
+ * stream data that is continued from a
+ * record in the previous block.
+ * If the FileIndex is negative, we are
+ * dealing with a Label, hence the
+ * stream is the JobId.
*/
-char *stream_to_ascii(int stream)
+const char *stream_to_ascii(int stream, int fi)
{
static char buf[20];
+ if (fi < 0) {
+ sprintf(buf, "%d", stream);
+ return buf;
+ }
switch (stream) {
case STREAM_UNIX_ATTRIBUTES:
return "UATTR";
case STREAM_FILE_DATA:
return "DATA";
+ case STREAM_WIN32_DATA:
+ return "WIN32-DATA";
+ case STREAM_WIN32_GZIP_DATA:
+ return "WIN32-GZIP";
case STREAM_MD5_SIGNATURE:
return "MD5";
+ case STREAM_SHA1_SIGNATURE:
+ return "SHA1";
case STREAM_GZIP_DATA:
return "GZIP";
+ case STREAM_UNIX_ATTRIBUTES_EX:
+ return "UNIX-ATTR-EX";
+ case STREAM_SPARSE_DATA:
+ return "SPARSE-DATA";
+ case STREAM_SPARSE_GZIP_DATA:
+ return "SPARSE-GZIP";
+ case STREAM_PROGRAM_NAMES:
+ return "PROG-NAMES";
+ case STREAM_PROGRAM_DATA:
+ return "PROG-DATA";
+ case -STREAM_UNIX_ATTRIBUTES:
+ return "contUATTR";
+ case -STREAM_FILE_DATA:
+ return "contDATA";
+ case -STREAM_WIN32_DATA:
+ return "contWIN32-DATA";
+ case -STREAM_WIN32_GZIP_DATA:
+ return "contWIN32-GZIP";
+ case -STREAM_MD5_SIGNATURE:
+ return "contMD5";
+ case -STREAM_SHA1_SIGNATURE:
+ return "contSHA1";
+ case -STREAM_GZIP_DATA:
+ return "contGZIP";
+ case -STREAM_UNIX_ATTRIBUTES_EX:
+ return "contUNIX-ATTR-EX";
+ case -STREAM_SPARSE_DATA:
+ return "contSPARSE-DATA";
+ case -STREAM_SPARSE_GZIP_DATA:
+ return "contSPARSE-GZIP";
+ case -STREAM_PROGRAM_NAMES:
+ return "contPROG-NAMES";
+ case -STREAM_PROGRAM_DATA:
+ return "contPROG-DATA";
default:
sprintf(buf, "%d", stream);
return buf;
{
DEV_RECORD *rec;
- rec = (DEV_RECORD *) get_memory(sizeof(DEV_RECORD));
+ rec = (DEV_RECORD *)get_memory(sizeof(DEV_RECORD));
memset(rec, 0, sizeof(DEV_RECORD));
rec->data = get_pool_memory(PM_MESSAGE);
return rec;
}
+void empty_record(DEV_RECORD *rec)
+{
+ rec->File = rec->Block = 0;
+ rec->VolSessionId = rec->VolSessionTime = 0;
+ rec->FileIndex = rec->Stream = 0;
+ rec->data_len = rec->remainder = 0;
+ rec->state &= ~(REC_PARTIAL_RECORD|REC_BLOCK_EMPTY|REC_NO_MATCH|REC_CONTINUATION);
+}
+
/*
* Free the record entity
*
/*
* Write a Record to the block
*
- * Returns: 0 on failure (none or partially written)
- * 1 on success (all bytes written)
+ * Returns: false on failure (none or partially written)
+ * true on success (all bytes written)
*
* and remainder returned in packet.
*
* non-zero), and 2. The remaining bytes to write may not
* all fit into the block.
*/
-int write_record_to_block(DEV_BLOCK *block, DEV_RECORD *rec)
+bool write_record_to_block(DEV_BLOCK *block, DEV_RECORD *rec)
{
ser_declare;
uint32_t remlen;
- sm_check(__FILE__, __LINE__, False);
remlen = block->buf_len - block->binbuf;
ASSERT(block->binbuf == (uint32_t) (block->bufp - block->buf));
- ASSERT(remlen >= 0);
+ ASSERT(block->buf_len >= block->binbuf);
Dmsg6(190, "write_record_to_block() FI=%s SessId=%d Strm=%s len=%d\n\
rem=%d remainder=%d\n",
FI_to_ascii(rec->FileIndex), rec->VolSessionId,
- stream_to_ascii(rec->Stream), rec->data_len,
+ stream_to_ascii(rec->Stream, rec->FileIndex), rec->data_len,
remlen, rec->remainder);
/*
if (remlen >= WRITE_RECHDR_LENGTH) {
ser_begin(block->bufp, WRITE_RECHDR_LENGTH);
if (BLOCK_VER == 1) {
- ser_uint32(rec->VolSessionId);
- ser_uint32(rec->VolSessionTime);
+ ser_uint32(rec->VolSessionId);
+ ser_uint32(rec->VolSessionTime);
} else {
block->VolSessionId = rec->VolSessionId;
block->VolSessionTime = rec->VolSessionTime;
block->binbuf += WRITE_RECHDR_LENGTH;
remlen -= WRITE_RECHDR_LENGTH;
rec->remainder = rec->data_len;
+ if (rec->FileIndex > 0) {
+ /* If data record, update what we have in this block */
+ if (block->FirstIndex == 0) {
+ block->FirstIndex = rec->FileIndex;
+ }
+ block->LastIndex = rec->FileIndex;
+ }
} else {
rec->remainder = rec->data_len + WRITE_RECHDR_LENGTH;
- sm_check(__FILE__, __LINE__, False);
- return 0;
+ return false;
}
} else {
/*
* time. Presumably we have a new buffer (possibly
* containing a volume label), so the new header
* should be able to fit in the block -- otherwise we have
- * an error. Note, we may have to continue splitting the
- * data record though.
+ * an error. Note, we have to continue splitting the
+ * data record if it is longer than the block.
*
* First, write the header, then write as much as
* possible of the data record.
*/
ser_begin(block->bufp, WRITE_RECHDR_LENGTH);
if (BLOCK_VER == 1) {
- ser_uint32(rec->VolSessionId);
- ser_uint32(rec->VolSessionTime);
+ ser_uint32(rec->VolSessionId);
+ ser_uint32(rec->VolSessionTime);
} else {
block->VolSessionId = rec->VolSessionId;
block->VolSessionTime = rec->VolSessionTime;
block->bufp += WRITE_RECHDR_LENGTH;
block->binbuf += WRITE_RECHDR_LENGTH;
remlen -= WRITE_RECHDR_LENGTH;
+ if (rec->FileIndex > 0) {
+ /* If data record, update what we have in this block */
+ if (block->FirstIndex == 0) {
+ block->FirstIndex = rec->FileIndex;
+ }
+ block->LastIndex = rec->FileIndex;
+ }
}
if (remlen == 0) {
- sm_check(__FILE__, __LINE__, False);
- return 0; /* partial transfer */
+ return false; /* partial transfer */
}
/*
} else {
memcpy(block->bufp, rec->data+rec->data_len-rec->remainder,
remlen);
+#ifdef xxxxxSMCHECK
if (!sm_check_rtn(__FILE__, __LINE__, False)) {
/* We damaged a buffer */
Dmsg6(0, "Damaged block FI=%s SessId=%d Strm=%s len=%d\n\
rem=%d remainder=%d\n",
FI_to_ascii(rec->FileIndex), rec->VolSessionId,
- stream_to_ascii(rec->Stream), rec->data_len,
+ stream_to_ascii(rec->Stream, rec->FileIndex), rec->data_len,
remlen, rec->remainder);
Dmsg5(0, "Damaged block: bufp=%x binbuf=%d buf_len=%d rem=%d moved=%d\n",
block->bufp, block->binbuf, block->buf_len, block->buf_len-block->binbuf,
Emsg0(M_ABORT, 0, "Damaged buffer\n");
}
+#endif
block->bufp += remlen;
block->binbuf += remlen;
rec->remainder -= remlen;
- return 0; /* did partial transfer */
+ return false; /* did partial transfer */
}
}
rec->remainder = 0; /* did whole transfer */
- sm_check(__FILE__, __LINE__, False);
- return 1;
+ return true;
}
/*
* Test if we can write whole record to the block
*
- * Returns: 0 on failure
- * 1 on success (all bytes can be written)
+ * Returns: false on failure
+ * true on success (all bytes can be written)
*/
-int can_write_record_to_block(DEV_BLOCK *block, DEV_RECORD *rec)
+bool can_write_record_to_block(DEV_BLOCK *block, DEV_RECORD *rec)
{
uint32_t remlen;
remlen -= WRITE_RECHDR_LENGTH;
rec->remainder = rec->data_len;
} else {
- return 0;
+ return false;
}
} else {
- return 0;
+ return false;
}
if (rec->remainder > 0 && remlen < rec->remainder) {
- return 0;
+ return false;
}
- return 1;
+ return true;
}
/*
* Read a Record from the block
- * Returns: 0 if nothing read or if the continuation record does not match.
- * In both of these cases, a block read must be done.
- * 1 if at least the record header was read, this
- * routine may have to be called again with a new
- * block if the entire record was not read.
+ * Returns: false if nothing read or if the continuation record does not match.
+ * In both of these cases, a block read must be done.
+ * true if at least the record header was read, this
+ * routine may have to be called again with a new
+ * block if the entire record was not read.
*/
-int read_record_from_block(DEV_BLOCK *block, DEV_RECORD *rec)
+bool read_record_from_block(DEV_BLOCK *block, DEV_RECORD *rec)
{
ser_declare;
uint32_t remlen;
remlen = block->binbuf;
rec->Block = block->BlockNumber;
+ rec->File = ((DEVICE *)block->dev)->file;
- /* Clear state flags */
+ /* Clear state flags */
rec->state = 0;
+ if (((DEVICE *)block->dev)->state & ST_TAPE) {
+ rec->state |= REC_ISTAPE;
+ }
+
/*
* Get the header. There is always a full header,
unser_begin(block->bufp, WRITE_RECHDR_LENGTH);
if (block->BlockVer == 1) {
- unser_uint32(VolSessionId);
- unser_uint32(VolSessionTime);
+ unser_uint32(VolSessionId);
+ unser_uint32(VolSessionTime);
} else {
VolSessionId = block->VolSessionId;
VolSessionTime = block->VolSessionTime;
if (rec->remainder && (rec->VolSessionId != VolSessionId ||
rec->VolSessionTime != VolSessionTime)) {
rec->state |= REC_NO_MATCH;
- return 0; /* This is from some other Session */
+ Dmsg0(500, "remainder and VolSession doesn't match\n");
+ return false; /* This is from some other Session */
}
/* if Stream is negative, it means that this is a continuation
rec->data_len = 0; /* return data as if no continuation */
} else if (rec->Stream != -Stream) {
rec->state |= REC_NO_MATCH;
- return 0; /* This is from some other Session */
+ return false; /* This is from some other Session */
}
rec->Stream = -Stream; /* set correct Stream */
} else { /* Regular record */
rec->VolSessionId = VolSessionId;
rec->VolSessionTime = VolSessionTime;
rec->FileIndex = FileIndex;
+ if (FileIndex > 0) {
+ if (block->FirstIndex == 0) {
+ block->FirstIndex = FileIndex;
+ }
+ block->LastIndex = FileIndex;
+ }
- Dmsg6(100, "rd_rec_blk() got FI=%s SessId=%d Strm=%s len=%u\n\
-remlen=%d data_len=%d\n",
+ Dmsg6(100, "rd_rec_blk() got FI=%s SessId=%d Strm=%s len=%u\n"
+ "remlen=%d data_len=%d\n",
FI_to_ascii(rec->FileIndex), rec->VolSessionId,
- stream_to_ascii(rec->Stream), data_bytes, remlen, rec->data_len);
+ stream_to_ascii(rec->Stream, rec->FileIndex), data_bytes, remlen,
+ rec->data_len);
} else {
/*
* No more records in this block because the number
}
#endif
rec->state |= (REC_NO_HEADER | REC_BLOCK_EMPTY);
- return 0;
+ empty_block(block); /* mark block empty */
+ return false;
}
ASSERT(data_bytes < MAX_BLOCK_LENGTH); /* temp sanity check */
rec->remainder = 0;
Dmsg4(90, "Rtn full rd_rec_blk FI=%s SessId=%d Strm=%s len=%d\n",
FI_to_ascii(rec->FileIndex), rec->VolSessionId,
- stream_to_ascii(rec->Stream), rec->data_len);
- return 1; /* transferred full record */
+ stream_to_ascii(rec->Stream, rec->FileIndex), rec->data_len);
+ return true; /* transferred full record */
}
projects / bacula / bacula / blobdiff