← Back to branch summary

~drizzle-trunk/drizzle/development

« back to all changes in this revision

Viewing changes to libdrizzle/state.c

  • Committer: Monty Taylor
  • Date: 2010-05-24 19:34:46 UTC
  • mto: This revision was merged to the branch mainline in revision 1564.
  • Revision ID: mordred@inaugust.com-20100524193446-j74n0rvylqdnttld
Updated translations to what's in the tree.

Show diffs side-by-side

added added

removed removed

Lines of Context:
libdrizzle/state.c
1
 
/*
2
 
 * Drizzle Client & Protocol Library
3
 
 *
4
 
 * Copyright (C) 2008 Eric Day (eday@oddments.org)
5
 
 * All rights reserved.
6
 
 *
7
 
 * Use and distribution licensed under the BSD license.  See
8
 
 * the COPYING file in this directory for full text.
9
 
 */
10
 
 
11
 
/**
12
 
 * @file
13
 
 * @brief State machine definitions
14
 
 */
15
 
 
16
 
#include "common.h"
17
 
 
18
 
drizzle_return_t drizzle_state_loop(drizzle_con_st *con)
19
 
{
20
 
  drizzle_return_t ret;
21
 
 
22
 
  while (!drizzle_state_none(con))
23
 
  {
24
 
    ret= con->state_stack[con->state_current - 1](con);
25
 
    if (ret != DRIZZLE_RETURN_OK)
26
 
    {
27
 
      if (ret != DRIZZLE_RETURN_IO_WAIT && ret != DRIZZLE_RETURN_PAUSE &&
28
 
          ret != DRIZZLE_RETURN_ERROR_CODE)
29
 
      {
30
 
        drizzle_con_close(con);
31
 
      }
32
 
 
33
 
      return ret;
34
 
    }
35
 
  }
36
 
 
37
 
  return DRIZZLE_RETURN_OK;
38
 
}
39
 
 
40
 
drizzle_return_t drizzle_state_packet_read(drizzle_con_st *con)
41
 
{
42
 
  drizzle_log_debug(con->drizzle, "drizzle_state_packet_read");
43
 
 
44
 
  if (con->buffer_size < 4)
45
 
  {
46
 
    drizzle_state_push(con, drizzle_state_read);
47
 
    return DRIZZLE_RETURN_OK;
48
 
  }
49
 
 
50
 
  con->packet_size= drizzle_get_byte3(con->buffer_ptr);
51
 
 
52
 
  if (con->packet_number != con->buffer_ptr[3])
53
 
  {
54
 
    drizzle_set_error(con->drizzle, "drizzle_state_packet_read",
55
 
                      "bad packet number:%u:%u", con->packet_number,
56
 
                      con->buffer_ptr[3]);
57
 
    return DRIZZLE_RETURN_BAD_PACKET_NUMBER;
58
 
  }
59
 
 
60
 
  drizzle_log_debug(con->drizzle, "packet_size= %zu, packet_number= %u",
61
 
                    con->packet_size, con->packet_number);
62
 
 
63
 
  con->packet_number++;
64
 
 
65
 
  con->buffer_ptr+= 4;
66
 
  con->buffer_size-= 4;
67
 
 
68
 
  drizzle_state_pop(con);
69
 
  return DRIZZLE_RETURN_OK;
70
 
}