Example #1
0
/*
 * Reads a read data block from an mFILE given a count of the number of
 * flows and basecalls (from the common header and read headers).
 *
 * Returns the a pointer to sff_read_data on success
 *         NULL on failure
 */
sff_read_data *read_sff_read_data(mFILE *mf, int nflows, int nbases) {
    sff_read_data *d;
    int i;

    if (NULL == (d = (sff_read_data *)xcalloc(1, sizeof(*d))))
	return NULL;

    if (NULL == (d->flowgram = (uint16_t *)xcalloc(nflows, 2)))
	return free_sff_read_data(d), NULL;
    if (nflows != mfread(d->flowgram, 2, nflows, mf))
	return free_sff_read_data(d), NULL;
    for (i = 0; i < nflows; i++)
	d->flowgram[i] = be_int2(d->flowgram[i]);

    if (NULL == (d->flow_index = (uint8_t *)xmalloc(nbases)))
	return free_sff_read_data(d), NULL;
    if (nbases != mfread(d->flow_index, 1, nbases, mf))
	return free_sff_read_data(d), NULL;

    if (NULL == (d->bases = (char *)xmalloc(nbases)))
	return free_sff_read_data(d), NULL;
    if (nbases != mfread(d->bases, 1, nbases, mf))
	return free_sff_read_data(d), NULL;

    if (NULL == (d->quality = (uint8_t *)xmalloc(nbases)))
	return free_sff_read_data(d), NULL;
    if (nbases != mfread(d->quality, 1, nbases, mf))
	return free_sff_read_data(d), NULL;

    /* Pad to 8 chars */
    mfseek(mf, (mftell(mf) + 7)& ~7, SEEK_SET);

    return d;
}
Example #2
0
void pc_resetasm(void *handle)
{
  assert(handle!=NULL);
  #if defined __MSDOS__ || defined PAWN_LIGHT
    fflush((FILE*)handle);
    fseek((FILE*)handle,0,SEEK_SET);
  #else
    mfseek((MEMFILE*)handle,0,SEEK_SET);
  #endif
}
Example #3
0
/*
 * Reads a read header (including variable length components) from an mFILE.
 *
 * Returns the a pointer to the header on success
 *         NULL on failure
 */
sff_read_header *read_sff_read_header(mFILE *mf) {
    sff_read_header *h;
    unsigned char rhdr[16];

    if (16 != mfread(rhdr, 1, 16, mf))
	return NULL;
    h = decode_sff_read_header(rhdr);

    if (h->name_len != mfread(h->name, 1, h->name_len, mf))
	return free_sff_read_header(h), NULL;
    
    /* Pad to 8 chars */
    mfseek(mf, (mftell(mf) + 7)& ~7, SEEK_SET);

    return h;
}
Example #4
0
/*
 * Reads a common header (including variable length components) from an mFILE.
 *
 * Returns the a pointer to the header on success
 *         NULL on failure
 */
sff_common_header *read_sff_common_header(mFILE *mf) {
    sff_common_header *h;
    unsigned char chdr[31];

    if (31 != mfread(chdr, 1, 31, mf))
	return NULL;
    h = decode_sff_common_header(chdr);

    if (h->flow_len != mfread(h->flow, 1, h->flow_len, mf))
	return free_sff_common_header(h), NULL;
    if (h->key_len != mfread(h->key , 1, h->key_len,  mf))
	return free_sff_common_header(h), NULL;

    /* Pad to 8 chars */
    mfseek(mf, (mftell(mf) + 7)& ~7, SEEK_SET);

    return h;
}
Example #5
0
char *mfgets(MEMFILE *mf,char *string,unsigned int size)
{
  char *ptr;
  unsigned int read;
  long seek;

  assert(mf!=NULL);

  read=mfread(mf,(unsigned char *)string,size);
  if (read==0)
    return NULL;
  seek=0L;

  /* make sure that the string is zero-terminated */
  assert(read<=size);
  if (read<size) {
    string[read]='\0';
  } else {
    string[size-1]='\0';
    seek=-1;            /* undo reading the character that gets overwritten */
  } /* if */

  /* find the first '\n' */
  ptr=strchr(string,'\n');
  if (ptr!=NULL) {
    *(ptr+1)='\0';
    seek=(long)(ptr-string)+1-(long)read;
  } /* if */

  /* undo over-read */
  assert(seek<=0);      /* should seek backward only */
  if (seek!=0)
    mfseek(mf,seek,SEEK_CUR);

  return string;
}
Example #6
0
void pc_resetasm(void *handle)
{
  mfseek((MEMFILE*)handle,0,SEEK_SET);
}
Example #7
0
int check_trace_body(Settings *opts, Trace_reader *trc, srf_t *srf) {
  char         name[512];
  Spot_info    spot = { NULL, 0, 0, 0, 0, 0, 0 };
  ztr_t       *ztr = NULL;
  ztr_chunk_t *chunk;
  int          start_chunk = 0;
  int          i;

  if (-1 == construct_trace_name(srf->th.id_prefix,
				 (unsigned char *)srf->tb.read_id,
				 srf->tb.read_id_length,
				 name, sizeof(name))) {
    printf("Couldn't construct read name\n");
    return -1;
  }

  if (0 != decode_name(name, &spot)) {
    printf("Couldn't decode read name.\n");
    return -1;
  }

  if (opts->verbosity > 0) {
    printf("%s\n", name);
  }

  if (0 != read_trace_data(opts, trc, &spot)) {
    printf("Couldn't get trace data for %s\n", name);
    return -1;
  }

  mfseek(srf->mf, srf->mf_end, SEEK_SET);
  if (srf->tb.trace_size) {
    mfwrite(srf->tb.trace, 1, srf->tb.trace_size, srf->mf);
    free(srf->tb.trace);
    srf->tb.trace = NULL;
  }
  mftruncate(srf->mf, mftell(srf->mf));
  mfseek(srf->mf, srf->mf_pos, SEEK_SET);
  
  if (srf->ztr) {
    start_chunk = srf->ztr->nchunks;
    ztr = ztr_dup(srf->ztr);
  }

  if (NULL == partial_decode_ztr(srf, srf->mf, ztr)) {
    printf("Couldn't decode ZTR data for %s\n", name);
    return -1;
  }

  for (i = start_chunk; i < ztr->nchunks; i++) {
    chunk = &ztr->chunk[i];
    if (opts->verbosity > 1) {
      printf(" Chunk %d type %.4s\n", i,
	      (char *) &chunk->type);
    }
    switch (chunk->type) {
    case ZTR_TYPE_BASE:
      if (0 != uncompress_chunk(ztr, chunk)) {
	printf("Couldn't uncompress BASE chunk\n");
	return -1;
      }
      if (trc->seq_len + 1 != chunk->dlength
	  || 0 != memcmp(trc->seq, chunk->data + 1, trc->seq_len)) {
	printf("Sequence differs for %s\n", name);
	return -1;
      }
      break;
    case ZTR_TYPE_CNF1:
      if (0 != uncompress_chunk(ztr, chunk)) {
	printf("Couldn't uncompress CNF1 chunk\n");
	return -1;
      }
      if (trc->seq_len + 1 != chunk->dlength
	  || 0 != memcmp(trc->qual, chunk->data + 1, trc->seq_len)) {
	printf("CNF1 confidence values differ for %s\n", name);
	return -1;
      }
      break;
    case ZTR_TYPE_CNF4:
      if (0 != uncompress_chunk(ztr, chunk)) {
	printf("Couldn't uncompress CNF4 chunk\n");
	return -1;
      }
      if (0 != check_cnf4(ztr, chunk, trc)) {
	printf("CNF4 confidence values differ for %s\n", name);
	return -1;
      }
      break;
    case ZTR_TYPE_SMP4:
      if (0 != uncompress_chunk(ztr, chunk)) {
	printf("Couldn't uncompress SMP4 chunk\n");
	return -1;
      }
      if (0 != check_trace(ztr, chunk, trc)) {
	printf("Trace doesn't match for %s\n", name);
	return -1;
      }
      break;
    default:
      printf("Found unexpected chunk type in trace body for %s\n",
	      name);
      return -1;
    }
  }

  delete_ztr(ztr);

  return 0;
}
Example #8
0
int check_trace_header(Settings *opts, srf_t *srf, Previous_data *seen) {
  int i;
  int j;
  int n;
  uint8_t  *data;
  uint32_t  val;
  ztr_chunk_t *chunk;

  if (NULL != srf->mf) {
    mfrecreate(srf->mf, NULL, 0);
  } else {
    srf->mf = mfcreate(NULL, 0);
  }
  if (NULL == srf->mf) die("%s\n", strerror(errno));

  if (srf->th.trace_hdr_size) {
    if (1 != mfwrite(srf->th.trace_hdr, srf->th.trace_hdr_size, 1, srf->mf)) {
      die("mfwrite failed: %s\n", strerror(errno));
    }
  }

  if (srf->ztr) delete_ztr(srf->ztr);

  mrewind(srf->mf);

  if (NULL != (srf->ztr = partial_decode_ztr(srf, srf->mf, NULL))) {
    srf->mf_pos = mftell(srf->mf);
  } else {
    /* We expect this to work for srfs made by illumina2srf */
    printf("partial_decode_ztr failed for trace header\n");
    srf->mf_pos = 0;
    return -1;
  }

  mfseek(srf->mf, 0, SEEK_END);
  srf->mf_end = mftell(srf->mf);

  /* Go through chunks */
  for (i = 0; i < srf->ztr->nchunks; i++) {
    chunk = &srf->ztr->chunk[i];
    if (opts->verbosity > 1) {
      printf(" Chunk %d type %.4s\n", i,
	      (char *) &chunk->type);
    }
    switch (chunk->type) {
    case ZTR_TYPE_HUFF:
      break;
    case ZTR_TYPE_BPOS:
      if (0 != uncompress_chunk(srf->ztr, chunk)) {
	printf("Couldn't uncompress BPOS chunk\n");
	return -1;
      }
      n = (chunk->dlength - 4) / 4;
      for (j = 0; j < n; j++) {
	data = (uint8_t *) &chunk->data[j * 4 + 4];
	val = (  ((uint32_t) data[0]) << 24
	       | ((uint32_t) data[1]) << 16
	       | ((uint32_t) data[2]) <<  8
	       | ((uint32_t) data[3]));
	if (val != j) {
	  printf("BPOS data misses cycles\n");
	  return -1;
	}
      }
      break;
    case ZTR_TYPE_REGN:
      if (0 != uncompress_chunk(srf->ztr, chunk)) {
	printf("Couldn't uncompress REGN chunk\n");
	return -1;
      }
      if (NULL == seen->regn) {
	/* Copy REGN chunk */
	seen->regn_meta_sz = chunk->mdlength;
	seen->regn_meta = smalloc(seen->regn_meta_sz);
	memcpy(seen->regn_meta, chunk->mdata, seen->regn_meta_sz);
	seen->regn_sz = chunk->dlength;
	seen->regn = smalloc(seen->regn_sz);
	memcpy(seen->regn, chunk->data, seen->regn_sz);
      } else {
	/* Compare with last copy */
	if (seen->regn_meta_sz != chunk->mdlength
	    || seen->regn_sz != chunk->dlength
	    || 0 != memcmp(seen->regn_meta, chunk->mdata, seen->regn_meta_sz)
	    || 0 != memcmp(seen->regn, chunk->data, seen->regn_sz)) {
	  printf("REGN chunk changed between header blocks\n");
	  return -1;
	}
      }
      break;
    case ZTR_TYPE_TEXT:
      if (0 != uncompress_chunk(srf->ztr, chunk)) {
	printf("Couldn't uncompress REGN chunk\n");
	return -1;
      }
      if (NULL == seen->text) {
	seen->text_sz = chunk->dlength;
	seen->text = smalloc(seen->text_sz);
	memcpy(seen->text, chunk->data, seen->text_sz);
	
	if (0 != check_text(opts, seen)) return -1;
      } else {
	if (seen->text_sz != chunk->dlength
	    || 0 != memcmp(seen->text, chunk->data, seen->text_sz)) {
	  printf("New TEXT chunk found\n");
	  seen->text_sz = chunk->dlength;
	  seen->text = srealloc(seen->text, seen->text_sz);
	  memcpy(seen->text, chunk->data, seen->text_sz);
	  
	  if (0 != check_text(opts, seen)) return -1;
	}
      }
      break;
    default:
      printf("Found unexpected chunk type in header block\n");
      return -1;
    }
  }

  return 0;
}
Example #9
0
static int do_it(char *file, int argc, char **argv) {
    mFILE *fp;
    Header h;
    char *c, *p, *p2;
    int all = 0;
    int found = 0;

    if (NULL == (fp = fopen_compressed(file, NULL))) {
	if (!silent)
	    perror(file);
	return 2;
    }

    /* Read the SCF header */

    if (-1 == read_scf_header(fp, &h)) {
	if (!silent)
	    fprintf(stderr, "Failed to read header\n");
	return 2;
    }

    /* Read our comments */
    if (NULL == (c = (char *)xmalloc(h.comments_size + 1)))
	return 2;
    
    if (-1 == mfseek(fp, h.comments_offset, SEEK_SET)) {
	if (!silent)
	    perror("seek()");
	return 2;
    }

    if (-1 == read_scf_comment(fp, c, h.comments_size)) {
	if (!silent)
	    perror("read() of comments");
	return 2;
    }

    if (argc == 0)
	all = 1;

    p = c;

    for (; p2 = strstr(p, "\n"); p = p2+1) {
	char *q;

	*p2 = '\0';
	if (NULL == (q = strchr(p, '=')))
	    continue;

	*q = '\0';
	
	if (!all) {
	    int i;

	    for (i=0; i<argc; i++)
		if (strcmp(argv[i], p) == 0)
		    break;

	    if (i == argc)
		continue;
	}

	if (suppress)
	    printf("%s\n", q+1);
	else
	    printf("%s=%s\n", p, q+1);

	found = 1;
    }

    return found ? 0 : 3;
}
Example #10
0
int main(void)
{
  MEMFILE *file, *file2, *file3;
  char test[] = "This is a very long string that just goes on and on, but it can surely tell us a few things about how this code is working.";
  char test2[] = "This is the second string, and should get cat'd right up behind the first string.";
  char buffer[512];

  printf("\n--------- open should fail (file doesn't exist)\n");
  file = mfopen( "dummy", "r+b" );
  printf("fopen(\"dummy\",\"r+b\") -> 0x%x\n", file );
  printf("#of open memstreams: %d\n", count_open_streams() );

  printf("\n--------- open should succeed (truncated on open)\n");
  file = mfopen( "dummy", "w+b" );
  printf("fopen(\"dummy\",\"w+b\") -> 0x%x\n", file );
  printf("#of open memstreams: %d\n", count_open_streams() );
  printf("growth increment was %d\n", _mfsetgrowincrement( file, 64 ) );
  printf("growth increment is now %d\n", _mfsetgrowincrement( file, 0 ) );

  printf("\n--------- should be zero offset, and eof == false\n");
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- should write %d bytes\n", strlen(test));
  printf( "fwrite( [], %d, %d, file )  -> %d\n", strlen(test), sizeof(char),
          mfwrite( test, strlen(test), sizeof(char), file ) );
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- should read the string back in\n");
  printf( "rewind(file) \n" ); mrewind(file);
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );
  memset( buffer, 0, sizeof( buffer ));
  printf( "fread( [], %d, %d, file )  -> %d\n", sizeof(buffer), sizeof(char),
          mfread( buffer, sizeof(buffer), sizeof(char), file ) );
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- should cat the second string to the first\n");
  printf( "fwrite( [], %d, %d, file )  -> %d\n", sizeof(char), strlen(test2),
          mfwrite( test2, strlen(test2), sizeof(char), file ) );
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- should read zero (fp is at eof)\n");
  memset( buffer, 0, sizeof( buffer ));
  printf( "fread( [], %d, %d, file )  -> %d\n", sizeof(buffer), sizeof(char),
          mfread( buffer, sizeof(buffer), sizeof(char), file ) );
  printf( "ftell(file) -> %ld  feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- seek test\n");
  printf( "filelength( fileno( file ) )-> %ld\n", mfilelength( mfileno( file ) ) );
  printf( "seek(file,64,0)-> %d\n", mfseek( file, 64, SEEK_SET ) );
  printf( "ftell(file) -> %ld  feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- read after seek test, should read filelen-64 bytes\n");
  memset( buffer, 0, sizeof( buffer ));
  printf( "fread( [], %d, %d, file )  -> %d\n", sizeof(buffer), sizeof(char),
          mfread( buffer, sizeof(buffer), sizeof(char), file ) );
  printf( "-> \"%s\"\n", buffer );

  printf("\n--------- change size test\n");
  printf( "filelength( fileno( file ) )-> %ld\n", mfilelength( mfileno( file ) ) );
  printf( "ftell(file) -> %ld  feof(file)-> %d\n", mftell( file ), mfeof( file ) );
  printf( "ftruncate(fileno(file),10)   ->  %d\n", mftruncate( mfileno( file ), 10 ) );
  printf( "filelength( fileno( file ) )-> %ld\n", mfilelength( mfileno( file ) ) );
  printf( "ftell(file) -> %ld  feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- negative seek test\n");
  printf( "fseek(file,-5,2)->%d\n", mfseek( file, -5, SEEK_END ) );
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );

  printf("\n--------- read after seek test, should read 5 bytes\n");
  memset( buffer, 0, sizeof( buffer ));
  printf( "fread( [], %d, %d, file )  -> %d\n", sizeof(buffer), sizeof(char),
          mfread( buffer, sizeof(buffer), sizeof(char), file ) );
  printf( "-> \"%s\"\n", buffer );

  printf("\n--------- open and write a second file\n");
  file2 = mfopen( "dummy2", "w+b" );
  printf("fopen(\"dummy2\",\"w+b\") -> 0x%x\n", file2 );
  printf( "fwrite( [], %d, %d, file2 )  -> %d\n", strlen("TEST"), sizeof(char),
          mfwrite( "TEST", strlen("TEST"), sizeof(char), file2 ) );
  printf( "filelength( fileno( file2 ) )-> %ld\n", mfilelength( mfileno( file2 ) ) );
  printf( "ftell(file2) -> %ld feof(file2)-> %d\n", mftell( file2 ), mfeof( file2 ) );
  printf("#of open memstreams: %d\n", count_open_streams() );

  printf("\n--------- open and write a third file\n");
  file3 = mfopen( "dummy3", "w+b" );
  printf("fopen(\"dummy3\",\"w+b\") -> 0x%x\n", file3 );
  printf( "fwrite( [], %d, %d, file3 )  -> %d\n", strlen("BLAHBLAH"), sizeof(char),
          mfwrite( "BLAHBLAH", strlen("BLAHBLAH"), sizeof(char), file3 ) );
  printf( "filelength( fileno( file3 ) )-> %ld\n", mfilelength( mfileno( file3 ) ) );
  printf( "ftell(file3) -> %ld feof(file3)-> %d\n", mftell( file3 ), mfeof( file3 ) );
  printf("#of open memstreams: %d\n", count_open_streams() );

  printf("\n--------- close second\n");
  printf( "fclose(file2)    -> %d\n", mfclose( file2 ) );
  printf( "filelength( fileno( file2 ) )-> %ld\n", mfilelength( mfileno( file2 ) ) );
  printf( "ftell(file2) -> %ld feof(file2)-> %d\n", mftell( file2 ), mfeof( file2 ) );
  printf("#of open memstreams: %d\n", count_open_streams() );

  printf("\n--------- check first\n");
  printf( "filelength( fileno( file ) )-> %ld\n", mfilelength( mfileno( file ) ) );
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );
  printf("#of open memstreams: %d\n", count_open_streams() );

  printf("\n--------- truncate to zero test\n");
  printf( "ftruncate(fileno(file),0)   ->  %d\n", mftruncate( mfileno( file ), 0 ) );
  printf( "filelength( fileno( file ) )-> %ld\n", mfilelength( mfileno( file ) ) );
  printf("#of open memstreams: %d\n", count_open_streams() );

  printf("\n--------- close first\n");
  printf( "fclose(file)    -> %d\n", mfclose( file ) );
  printf( "filelength( fileno( file ) )-> %ld\n", mfilelength( mfileno( file ) ) );
  printf( "ftell(file) -> %ld feof(file)-> %d\n", mftell( file ), mfeof( file ) );
  printf("#of open memstreams: %d\n", count_open_streams() );

  printf("\n--------- close third\n");
  printf( "fclose(file3)    -> %d\n", mfclose( file3 ) );
  printf( "filelength( fileno( file3 ) )-> %ld\n", mfilelength( mfileno( file3 ) ) );
  printf( "ftell(file3) -> %ld feof(file3)-> %d\n", mftell( file3 ), mfeof( file3 ) );
  printf("#of open memstreams: %d\n", count_open_streams() );

  return 0;
}
Example #11
0
void mrewind( MEMFILE *mp ) {
  mfseek( mp, 0, SEEK_SET );
}
Example #12
0
/*
 * Given the archive name and the level_mode
 * generate information about the archive
 *
 * Note the generated srf file is NOT indexed
 *
 * Returns 0 on success.
 */
int srf_info(char *input, int level_mode, long *read_count, long *chunk_count,
	     uint64_t *chunk_size, long key_count[NCHUNKS][NKEYS],
	     long type_count[NCHUNKS][NTYPES], HashTable *regn_hash,
	     uint64_t *base_count) {
    srf_t *srf;
    off_t pos;
    int type;
    int count = 0;
    long trace_body_count = 0;
    char name[1024];

    if (NULL == (srf = srf_open(input, "rb"))) {
	perror(input);
	return 1;
    }

    while ((type = srf_next_block_type(srf)) >= 0) {

      switch (type) {
	case SRFB_CONTAINER:
	    if( trace_body_count ){
		if( level_mode & LEVEL_NAME )
		    printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
		trace_body_count = 0;
	    }
	    if (0 != srf_read_cont_hdr(srf, &srf->ch)) {
		fprintf(stderr, "Error reading container header.\nExiting.\n");
		exit(1);
	    }
	    break;

        case SRFB_XML:
	    if( trace_body_count ){
		if( level_mode & LEVEL_NAME )
		    printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
		trace_body_count = 0;
	    }
	    if (0 != srf_read_xml(srf, &srf->xml)) {
		fprintf(stderr, "Error reading XML.\nExiting.\n");
		exit(1);
	    }
	    break;

	case SRFB_TRACE_HEADER:
	    if( trace_body_count ){
		if( level_mode & LEVEL_NAME )
		    printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
		trace_body_count = 0;
	    }
	    if (0 != srf_read_trace_hdr(srf, &srf->th)) {
		fprintf(stderr, "Error reading trace header.\nExiting.\n");
		exit(1);
	    }

	    if( 0 == (level_mode & (LEVEL_CHUNK | LEVEL_BASE)) )
		break;

	    /* Decode ZTR chunks in the header */
	    if (srf->mf)
		mfdestroy(srf->mf);

	    srf->mf = mfcreate(NULL, 0);
	    if (srf->th.trace_hdr_size)
		mfwrite(srf->th.trace_hdr, 1, srf->th.trace_hdr_size, srf->mf);
	    if (srf->ztr)
		delete_ztr(srf->ztr);
	    mrewind(srf->mf);

	    if (NULL != (srf->ztr = partial_decode_ztr(srf, srf->mf, NULL))) {
		srf->mf_pos = mftell(srf->mf);
	    } else {
		/* Maybe not enough to decode or no headerBlob. */
		/* So delay until decoding the body. */
		srf->mf_pos = 0;
	    }
	    mfseek(srf->mf, 0, SEEK_END);
	    srf->mf_end = mftell(srf->mf);

	    break;

	case SRFB_TRACE_BODY: {
	    srf_trace_body_t old_tb;
	    ztr_t *ztr_tmp;
            int no_trace = (level_mode & (LEVEL_CHUNK | LEVEL_BASE) ? 0 : 1);

	    if (0 != srf_read_trace_body(srf, &old_tb, no_trace)) {
		fprintf(stderr, "Error reading trace body.\nExiting.\n");
		exit(1);
	    }

	    if (-1 == construct_trace_name(srf->th.id_prefix,
					   (unsigned char *)old_tb.read_id,
					   old_tb.read_id_length,
					   name, 512)) {
		fprintf(stderr, "Error constructing trace name.\nExiting.\n");
		exit(1);
	    }

	    trace_body_count++;
	    if( 1 == trace_body_count ){
		if( level_mode & LEVEL_NAME )
		    printf( "trace_name: %s + %s", srf->th.id_prefix, name+strlen(srf->th.id_prefix));
	    }
          
	    read_count[READ_TOTAL]++;

	    if (old_tb.flags & SRF_READ_FLAG_BAD_MASK ){
		read_count[READ_BAD]++;
	    } else {
		read_count[READ_GOOD]++;
	    }
          
	    if( 0 == (level_mode & (LEVEL_CHUNK | LEVEL_BASE)) )
		break;

	    if (!srf->mf) {
		fprintf(stderr, "Error reading trace body.\nExiting.\n");
		exit(1);
	    }

	    mfseek(srf->mf, srf->mf_end, SEEK_SET);
	    if (old_tb.trace_size) {
		mfwrite(old_tb.trace, 1, old_tb.trace_size, srf->mf);
		free(old_tb.trace);
		old_tb.trace = NULL;
	    }
          
	    mftruncate(srf->mf, mftell(srf->mf));
	    mfseek(srf->mf, srf->mf_pos, SEEK_SET);

	    if (srf->ztr)
		ztr_tmp = ztr_dup(srf->ztr); /* inefficient, but simple */
	    else
		ztr_tmp = NULL;

	    if ((ztr_tmp = partial_decode_ztr(srf, srf->mf, ztr_tmp))) {
		int i;
		for (i=0; i<ztr_tmp->nchunks; i++) {
		    int ichunk = -1;

		    switch (ztr_tmp->chunk[i].type) {
		    case ZTR_TYPE_BASE:
			ichunk = CHUNK_BASE;
			chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
			if( parse_base(ztr_tmp, &ztr_tmp->chunk[i], base_count) ){
			    delete_ztr(ztr_tmp);
			    return 1;
			}
			break;
		    case ZTR_TYPE_CNF1:
			ichunk = CHUNK_CNF1;
			chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
			break;
		    case ZTR_TYPE_CNF4:
			ichunk = CHUNK_CNF4;
			chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
			break;
		    case ZTR_TYPE_SAMP:
			ichunk = CHUNK_SAMP;
			chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
			break;
		    case ZTR_TYPE_SMP4:
			ichunk = CHUNK_SMP4;
			chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
			break;
		    case ZTR_TYPE_REGN:
			ichunk = CHUNK_REGN;
			chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
			if( NULL == parse_regn(ztr_tmp, &ztr_tmp->chunk[i], regn_hash) ){
			    delete_ztr(ztr_tmp);
			    return 1;
			}
			break;
		    default:
			break;
		    }

		    if( ichunk > -1 ) {
			chunk_count[ichunk]++;
			count_mdata_keys(ztr_tmp, &ztr_tmp->chunk[i], ichunk, key_count, type_count);
		    }
		}

	    }

	    if( ztr_tmp )
		delete_ztr(ztr_tmp);

	    count++;
	    if( (level_mode == LEVEL_CHECK) && (count == 10) ){
		printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
		srf_destroy(srf, 1);
		return 0;
	    }
          
	    break;
        }

	case SRFB_INDEX: {
            off_t pos = ftell(srf->fp);
	    if( trace_body_count ){
		if( level_mode & LEVEL_NAME )
		    printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
		trace_body_count = 0;
	    }
            printf( "Reading srf index block\n");
	    if (0 != srf_read_index_hdr(srf, &srf->hdr, 1)) {
		srf_destroy(srf, 1);
		fprintf(stderr, "Error reading srf index block header.\nExiting.\n");
		exit(1);
	    }
            /* Skip the index body */
	    fseeko(srf->fp, pos + srf->hdr.size, SEEK_SET);

            break;
        }
        
	case SRFB_NULL_INDEX: {
            uint64_t ilen;
	    if( trace_body_count ){
		if( level_mode & LEVEL_NAME )
		    printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
		trace_body_count = 0;
	    }
            printf( "Reading srf null index block\n");
	    /*
	     * Maybe the last 8 bytes of a the file (or previously was
	     * last 8 bytes prior to concatenating SRF files together).
	     * If so it's the index length and should always be 8 zeros.
	     */
            if (1 != fread(&ilen, 8, 1, srf->fp)) {
		srf_destroy(srf, 1);
		fprintf(stderr, "Error reading srf null index block.\nExiting.\n");
		exit(1);
            }
            if (ilen != 0) {
		srf_destroy(srf, 1);
		fprintf(stderr, "Invalid srf null index block.\nExiting.\n");
		exit(1);
            }

            break;
        }
        
        default:
            srf_destroy(srf, 1);
	    fprintf(stderr, "Block of unknown type '%c'\nExiting.\n", type);
	    exit(1);
	}

    }

    if( trace_body_count ){
        if( level_mode & LEVEL_NAME )
            printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
        trace_body_count = 0;
    }

    /* the type should be -1 (EOF) */
    if( type != -1 ) {
        fprintf(stderr, "Block of unknown type '%c'\nExiting.\n", type);
	exit(1);
    }

    /* are we really at the end of the srf file */
    pos = ftell(srf->fp);
    fseek(srf->fp, 0, SEEK_END);
    if( pos != ftell(srf->fp) ){
        fprintf(stderr, "srf file is corrupt\n");
	exit(1);
    }
    
    srf_destroy(srf, 1);
    return 0;
}
Example #13
0
/*
 * As per partial_decode_ztr in srf.c, but without uncompress_ztr.
 */
ztr_t *partial_decode_ztr2(srf_t *srf, mFILE *mf, ztr_t *z) {
    ztr_t *ztr;
    ztr_chunk_t *chunk;
    long pos = 0;

    if (z) {
	/* Use existing ZTR object => already loaded header */
	ztr = z;

    } else {
	/* Allocate or use existing ztr */
	if (NULL == (ztr = new_ztr()))
	    return NULL;

	/* Read the header */
	if (-1 == ztr_read_header(mf, &ztr->header)) {
	    if (!z)
		delete_ztr(ztr);
	    mrewind(mf);
	    return NULL;
	}

	/* Check magic number and version */
	if (memcmp(ztr->header.magic, ZTR_MAGIC, 8) != 0) {
	    if (!z)
		delete_ztr(ztr);
	    mrewind(mf);
	    return NULL;
	}

	if (ztr->header.version_major != ZTR_VERSION_MAJOR) {
	    if (!z)
		delete_ztr(ztr);
	    mrewind(mf);
	    return NULL;
	}
    }

    /* Load chunks */
    pos = mftell(mf);
    while ((chunk = ztr_read_chunk_hdr(mf))) {
	chunk->data = (char *)xmalloc(chunk->dlength);
	if (chunk->dlength != mfread(chunk->data, 1, chunk->dlength, mf))
	    break;

	ztr->nchunks++;
	ztr->chunk = (ztr_chunk_t *)xrealloc(ztr->chunk, ztr->nchunks *
					     sizeof(ztr_chunk_t));
	memcpy(&ztr->chunk[ztr->nchunks-1], chunk, sizeof(*chunk));
	xfree(chunk);
	pos = mftell(mf);
    }

    /*
     * At this stage we're 'pos' into the mFILE mf with any remainder being
     * a partial block.
     */
    if (0 == ztr->nchunks) {
	if (!z)
	    delete_ztr(ztr);
	mrewind(mf);
	return NULL;
    }

    /* Ensure we exit at the start of a ztr CHUNK */
    mfseek(mf, pos, SEEK_SET);

    /* If this is the header part, ensure we uncompress and init. data */
    if (!z) {
	/* Force caching of huffman code_sets */
	ztr_find_hcode(ztr, CODE_USER);

	/* And uncompress the rest */
	uncompress_ztr(ztr);
    }

    return ztr;
}