Commit f5004988 authored by unknown's avatar unknown
Browse files

Merge baker@bk-internal.mysql.com:/home/bk/mysql-5.1-arch

into  zim.(none):/home/bk/mysql-5.1-arch

parents e36d66da 89f55073
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+9 −7
Original line number Diff line number Diff line
@@ -217,14 +217,13 @@ int main(int argc, char *argv[])

  azclose(&writer_handle);
  azclose(&reader_handle);
  exit(0);
  unlink(TEST_FILENAME);

  /* Start size tests */
  printf("About to run 2/4/8 gig tests now, you may want to hit CTRL-C\n");
  size_test(TWOGIG, 2097152L);
  size_test(FOURGIG, 4194304L);
  size_test(EIGHTGIG, 8388608L);
  size_test(TWOGIG, 2088992L);
  size_test(FOURGIG, 4177984L);
  size_test(EIGHTGIG, 8355968L);

  return 0;
}
@@ -234,6 +233,7 @@ int size_test(unsigned long long length, unsigned long long rows_to_test_for)
  azio_stream writer_handle, reader_handle;
  unsigned long long write_length;
  unsigned long long read_length= 0;
  unsigned long long count;
  unsigned int ret;
  char buffer[BUFFER_LEN];
  int error;
@@ -244,8 +244,10 @@ int size_test(unsigned long long length, unsigned long long rows_to_test_for)
    return 0;
  }

  for (write_length= 0; write_length < length ; write_length+= ret)
  for (count= 0, write_length= 0; write_length < length ; 
       write_length+= ret)
  {
    count++;
    ret= azwrite(&writer_handle, test_string, BUFFER_LEN);
    if (ret != BUFFER_LEN)
    {
@@ -257,7 +259,7 @@ int size_test(unsigned long long length, unsigned long long rows_to_test_for)
      azflush(&writer_handle,  Z_SYNC_FLUSH);
    }
  }
  assert(write_length == length);
  assert(write_length != count * BUFFER_LEN); /* Number of rows time BUFFER_LEN */
  azflush(&writer_handle,  Z_SYNC_FLUSH);

  printf("Reading back data\n");
@@ -279,7 +281,7 @@ int size_test(unsigned long long length, unsigned long long rows_to_test_for)
    }
  }

  assert(read_length == length);
  assert(read_length == write_length);
  assert(writer_handle.rows == rows_to_test_for);
  azclose(&writer_handle);
  azclose(&reader_handle);
+16 −15
Original line number Diff line number Diff line
@@ -55,8 +55,8 @@ int az_open (azio_stream *s, const char *path, int Flags, File fd)
  s->stream.zalloc = (alloc_func)0;
  s->stream.zfree = (free_func)0;
  s->stream.opaque = (voidpf)0;
  memset(s->inbuf, 0, AZ_BUFSIZE);
  memset(s->outbuf, 0, AZ_BUFSIZE);
  memset(s->inbuf, 0, AZ_BUFSIZE_READ);
  memset(s->outbuf, 0, AZ_BUFSIZE_WRITE);
  s->stream.next_in = s->inbuf;
  s->stream.next_out = s->outbuf;
  s->stream.avail_in = s->stream.avail_out = 0;
@@ -109,7 +109,7 @@ int az_open (azio_stream *s, const char *path, int Flags, File fd)
      return Z_NULL;
    }
  }
  s->stream.avail_out = AZ_BUFSIZE;
  s->stream.avail_out = AZ_BUFSIZE_WRITE;

  errno = 0;
  s->file = fd < 0 ? my_open(path, Flags, MYF(0)) : fd;
@@ -159,7 +159,7 @@ void write_header(azio_stream *s)
  char buffer[AZHEADER_SIZE + AZMETA_BUFFER_SIZE];
  char *ptr= buffer;

  s->block_size= AZ_BUFSIZE;
  s->block_size= AZ_BUFSIZE_WRITE;
  s->version = (unsigned char)az_magic[1];
  s->minor_version = (unsigned char)az_magic[2];

@@ -224,7 +224,7 @@ int get_byte(s)
  if (s->stream.avail_in == 0) 
  {
    errno = 0;
    s->stream.avail_in = my_read(s->file, (byte *)s->inbuf, AZ_BUFSIZE, MYF(0));
    s->stream.avail_in = my_read(s->file, (byte *)s->inbuf, AZ_BUFSIZE_READ, MYF(0));
    if (s->stream.avail_in == 0) 
    {
      s->z_eof = 1;
@@ -260,7 +260,7 @@ void check_header(azio_stream *s)
  if (len < 2) {
    if (len) s->inbuf[0] = s->stream.next_in[0];
    errno = 0;
    len = (uInt)my_read(s->file, (byte *)s->inbuf + len, AZ_BUFSIZE >> len, MYF(0));
    len = (uInt)my_read(s->file, (byte *)s->inbuf + len, AZ_BUFSIZE_READ >> len, MYF(0));
    if (len == 0) s->z_err = Z_ERRNO;
    s->stream.avail_in += len;
    s->stream.next_in = s->inbuf;
@@ -455,7 +455,7 @@ unsigned int ZEXPORT azread ( azio_stream *s, voidp buf, unsigned int len, int *
    if (s->stream.avail_in == 0 && !s->z_eof) {

      errno = 0;
      s->stream.avail_in = (uInt)my_read(s->file, (byte *)s->inbuf, AZ_BUFSIZE, MYF(0));
      s->stream.avail_in = (uInt)my_read(s->file, (byte *)s->inbuf, AZ_BUFSIZE_READ, MYF(0));
      if (s->stream.avail_in == 0) 
      {
        s->z_eof = 1;
@@ -522,12 +522,13 @@ unsigned int azwrite (azio_stream *s, voidpc buf, unsigned int len)
    {

      s->stream.next_out = s->outbuf;
      if (my_write(s->file, (byte *)s->outbuf, AZ_BUFSIZE, MYF(0)) != AZ_BUFSIZE) 
      if (my_write(s->file, (byte *)s->outbuf, AZ_BUFSIZE_WRITE, 
                   MYF(0)) != AZ_BUFSIZE_WRITE) 
      {
        s->z_err = Z_ERRNO;
        break;
      }
      s->stream.avail_out = AZ_BUFSIZE;
      s->stream.avail_out = AZ_BUFSIZE_WRITE;
    }
    s->in += s->stream.avail_in;
    s->out += s->stream.avail_out;
@@ -563,7 +564,7 @@ int do_flush (azio_stream *s, int flush)

  for (;;) 
  {
    len = AZ_BUFSIZE - s->stream.avail_out;
    len = AZ_BUFSIZE_WRITE - s->stream.avail_out;

    if (len != 0) 
    {
@@ -574,7 +575,7 @@ int do_flush (azio_stream *s, int flush)
        return Z_ERRNO;
      }
      s->stream.next_out = s->outbuf;
      s->stream.avail_out = AZ_BUFSIZE;
      s->stream.avail_out = AZ_BUFSIZE_WRITE;
    }
    if (done) break;
    s->out += s->stream.avail_out;
@@ -675,8 +676,8 @@ my_off_t azseek (s, offset, whence)
    /* There was a zmemzero here if inbuf was null -Brian */
    while (offset > 0)  
    {
      uInt size = AZ_BUFSIZE;
      if (offset < AZ_BUFSIZE) size = (uInt)offset;
      uInt size = AZ_BUFSIZE_WRITE;
      if (offset < AZ_BUFSIZE_WRITE) size = (uInt)offset;

      size = azwrite(s, s->inbuf, size);
      if (size == 0) return -1L;
@@ -719,8 +720,8 @@ my_off_t azseek (s, offset, whence)
  }
  while (offset > 0)  {
    int error;
    unsigned int size = AZ_BUFSIZE;
    if (offset < AZ_BUFSIZE) size = (int)offset;
    unsigned int size = AZ_BUFSIZE_READ;
    if (offset < AZ_BUFSIZE_READ) size = (int)offset;

    size = azread(s, s->outbuf, size, &error);
    if (error <= 0) return -1L;
+4 −3
Original line number Diff line number Diff line
@@ -196,7 +196,8 @@ extern "C" {
/* The deflate compression method (the only one supported in this version) */

#define Z_NULL  0  /* for initializing zalloc, zfree, opaque */
#define AZ_BUFSIZE 16384
#define AZ_BUFSIZE_READ 32768
#define AZ_BUFSIZE_WRITE 16384


typedef struct azio_stream {
@@ -204,8 +205,8 @@ typedef struct azio_stream {
  int      z_err;   /* error code for last stream operation */
  int      z_eof;   /* set if end of input file */
  File     file;   /* .gz file */
  Byte     inbuf[AZ_BUFSIZE];  /* input buffer */
  Byte     outbuf[AZ_BUFSIZE]; /* output buffer */
  Byte     inbuf[AZ_BUFSIZE_READ];  /* input buffer */
  Byte     outbuf[AZ_BUFSIZE_WRITE]; /* output buffer */
  uLong    crc;     /* crc32 of uncompressed data */
  char     *msg;    /* error message */
  int      transparent; /* 1 if input file is not a .gz file */
+32 −12
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ ha_archive::ha_archive(handlerton *hton, TABLE_SHARE *table_arg)

  /* The size of the offset value we will use for position() */
  ref_length= sizeof(my_off_t);
  archive_reader_open= FALSE;
}

int archive_discover(handlerton *hton, THD* thd, const char *db, 
@@ -434,6 +435,29 @@ int ha_archive::init_archive_writer()
}


int ha_archive::init_archive_reader()
{
  DBUG_ENTER("ha_archive::init_archive_reader");
  /* 
    It is expensive to open and close the data files and since you can't have
    a gzip file that can be both read and written we keep a writer open
    that is shared amoung all open tables.
  */
  if (!archive_reader_open)
  {
    if (!(azopen(&archive, share->data_file_name, O_RDONLY|O_BINARY)))
    {
      DBUG_PRINT("ha_archive", ("Could not open archive read file"));
      share->crashed= TRUE;
      DBUG_RETURN(1);
    }
    archive_reader_open= TRUE;
  }

  DBUG_RETURN(0);
}


/*
  We just implement one additional file extension.
*/
@@ -477,7 +501,6 @@ int ha_archive::open(const char *name, int mode, uint open_options)

  DBUG_ASSERT(share);


  record_buffer= create_record_buffer(table->s->reclength + 
                                      ARCHIVE_ROW_HEADER_SIZE);

@@ -489,14 +512,6 @@ int ha_archive::open(const char *name, int mode, uint open_options)

  thr_lock_data_init(&share->lock, &lock, NULL);

  DBUG_PRINT("ha_archive", ("archive data_file_name %s", share->data_file_name));
  if (!(azopen(&archive, share->data_file_name, O_RDONLY|O_BINARY)))
  {
    if (errno == EROFS || errno == EACCES)
      DBUG_RETURN(my_errno= errno);
    DBUG_RETURN(HA_ERR_CRASHED_ON_USAGE);
  }

  DBUG_PRINT("ha_archive", ("archive table was crashed %s", 
                      rc == HA_ERR_CRASHED_ON_USAGE ? "yes" : "no"));
  if (rc == HA_ERR_CRASHED_ON_USAGE && open_options & HA_OPEN_FOR_REPAIR)
@@ -533,8 +548,11 @@ int ha_archive::close(void)
  destroy_record_buffer(record_buffer);

  /* First close stream */
  if (archive_reader_open)
  {
    if (azclose(&archive))
      rc= 1;
  }
  /* then also close share */
  rc|= free_share();

@@ -979,6 +997,8 @@ int ha_archive::rnd_init(bool scan)
  if (share->crashed)
      DBUG_RETURN(HA_ERR_CRASHED_ON_USAGE);

  init_archive_reader();

  /* We rewind the file so that we can read from the beginning if scan */
  if (scan)
  {
+2 −0
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ class ha_archive: public handler
  uint current_key_len;
  uint current_k_offset;
  archive_record_buffer *record_buffer;
  bool archive_reader_open;

  archive_record_buffer *create_record_buffer(unsigned int length);
  void destroy_record_buffer(archive_record_buffer *r);
@@ -119,6 +120,7 @@ class ha_archive: public handler
  ARCHIVE_SHARE *get_share(const char *table_name, int *rc);
  int free_share();
  int init_archive_writer();
  int init_archive_reader();
  bool auto_repair() const { return 1; } // For the moment we just do this
  int read_data_header(azio_stream *file_to_read);
  void position(const byte *record);