~drizzle-trunk/drizzle/development

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
/*
 * Drizzle Client & Protocol Library
 *
 * Copyright (C) 2008 Eric Day (eday@oddments.org)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *
 *     * The names of its contributors may not be used to endorse or
 * promote products derived from this software without specific prior
 * written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#pragma once

/**
 * @file
 * @brief Struct Definitions
 */

#include <sys/types.h>

#ifndef NI_MAXHOST
# define NI_MAXHOST 1025
#endif

#ifdef __cplusplus
extern "C" {
#endif

#ifndef __cplusplus
struct drizzle_st;
struct drizzle_con_tcp_st;
struct drizzle_con_uds_st;
struct drizzle_con_st;
struct drizzle_query_st;
struct drizzle_result_st;
struct drizzle_column_st;
#else


/**
 * @ingroup drizzle
 */
class drizzle_st
{
public:
  uint16_t error_code;
  struct options_t {
    bool is_allocated;
    bool is_non_blocking;
    bool is_free_objects;
    bool is_assert_dangling;

    options_t() :
      is_allocated(false),
      is_non_blocking(false),
      is_free_objects(false),
      is_assert_dangling(false)
    { }
  } options;
  drizzle_verbose_t verbose;
  uint32_t con_count;
  uint32_t pfds_size;
  uint32_t query_count;
  uint32_t query_new;
  uint32_t query_running;
  int last_errno;
  int timeout;
  drizzle_con_st *con_list;
  void *context;
  drizzle_context_free_fn *context_free_fn;
  drizzle_event_watch_fn *event_watch_fn;
  void *event_watch_context;
  drizzle_log_fn *log_fn;
  void *log_context;
  struct pollfd *pfds;
  drizzle_query_st *query_list;
  char sqlstate[DRIZZLE_MAX_SQLSTATE_SIZE + 1];
  char last_error[DRIZZLE_MAX_ERROR_SIZE];

  drizzle_st() :
    error_code(0),
    options(),
    verbose(DRIZZLE_VERBOSE_ERROR),
    con_count(0),
    pfds_size(0),
    query_count(0),
    query_new(0),
    query_running(0),
    last_errno(0),
    timeout(-1),
    con_list(NULL),
    context(NULL),
    context_free_fn(NULL),
    event_watch_fn(NULL),
    event_watch_context(NULL),
    log_fn(NULL),
    log_context(NULL),
    pfds(NULL),
    query_list(NULL)
  { }
};

/**
 * @ingroup drizzle_con
 */
class drizzle_con_tcp_st
{
public:
  in_port_t port;
  struct addrinfo *addrinfo;
  char *host;
  char host_buffer[NI_MAXHOST];
};

/**
 * @ingroup drizzle_con
 */
class drizzle_con_uds_st
{
public:
  struct addrinfo addrinfo;
  struct sockaddr_un sockaddr;
};

/**
 * @ingroup drizzle_con
 */
class drizzle_con_st
{
public:
  uint8_t packet_number;
  uint8_t protocol_version;
  uint8_t state_current;
  short events;
  short revents;
  int capabilities;
  drizzle_charset_t charset;
  drizzle_command_t command;
  struct option_t {
    bool is_allocated;

    option_t() :
      is_allocated(false)
    { }
  } _options;
  int options;
  drizzle_con_socket_t socket_type;
  drizzle_con_status_t status;
  uint32_t max_packet_size;
  uint32_t result_count;
  uint32_t thread_id;
  int backlog;
  int fd;
  size_t buffer_size;
  size_t command_offset;
  size_t command_size;
  size_t command_total;
  size_t packet_size;
  struct addrinfo *addrinfo_next;
  uint8_t *buffer_ptr;
  uint8_t *command_buffer;
  uint8_t *command_data;
  void *context;
  drizzle_con_context_free_fn *context_free_fn;
  drizzle_st *drizzle;
  drizzle_con_st *next;
  drizzle_con_st *prev;
  drizzle_query_st *query;
  drizzle_result_st *result;
  drizzle_result_st *result_list;
  uint8_t *scramble;
  union
  {
    drizzle_con_tcp_st tcp;
    drizzle_con_uds_st uds;
  } socket;
  uint8_t buffer[DRIZZLE_MAX_BUFFER_SIZE];
  char schema[DRIZZLE_MAX_DB_SIZE];
  char password[DRIZZLE_MAX_PASSWORD_SIZE];
  uint8_t scramble_buffer[DRIZZLE_MAX_SCRAMBLE_SIZE];
  char server_version[DRIZZLE_MAX_SERVER_VERSION_SIZE];
  char server_extra[DRIZZLE_MAX_SERVER_EXTRA_SIZE];
  drizzle_state_fn *state_stack[DRIZZLE_STATE_STACK_SIZE];
  char user[DRIZZLE_MAX_USER_SIZE];

  drizzle_con_st() :
    packet_number(0),
    protocol_version(0),
    state_current(0),
    events(0),
    revents(0),
    capabilities(DRIZZLE_CAPABILITIES_NONE),
    options(DRIZZLE_CON_NONE),
    max_packet_size(0),
    result_count(0),
    thread_id(0),
    backlog(0),
    fd(0),
    buffer_size(0),
    command_offset(0),
    command_size(0),
    command_total(0),
    packet_size(0),
    addrinfo_next(NULL),
    buffer_ptr(NULL),
    command_buffer(NULL),
    command_data(NULL),
    context(NULL),
    context_free_fn(NULL),
    drizzle(NULL),
    next(NULL),
    prev(NULL),
    query(NULL),
    result(NULL),
    result_list(NULL),
    scramble(NULL)
  { }
};

/**
 * @ingroup drizzle_query
 */
class drizzle_query_st
{
private:
public:
  drizzle_st *drizzle;
  drizzle_query_st *next;
  drizzle_query_st *prev;
  struct option_t {
    bool is_allocated;

    option_t() :
      is_allocated(false)
    { }
  } options;
  drizzle_query_state_t state;
  drizzle_con_st *con;
  drizzle_result_st *result;
  const char *string;
  size_t size;
  void *context;
  drizzle_query_context_free_fn *context_free_fn;

  drizzle_query_st() :
    drizzle(NULL),
    next(NULL),
    prev(NULL),
    con(NULL),
    result(NULL),
    string(NULL),
    size(0),
    context(NULL),
    context_free_fn(NULL)
  { }
};

/**
 * @ingroup drizzle_result
 */
class drizzle_result_st
{
public:
  drizzle_con_st *con;
  drizzle_result_st *next;
  drizzle_result_st *prev;
  struct option_t {
    bool is_allocated;

    option_t() :
      is_allocated(false)
    { }
  } _options;
  int options;

  char info[DRIZZLE_MAX_INFO_SIZE];
  uint16_t error_code;
  char sqlstate[DRIZZLE_MAX_SQLSTATE_SIZE + 1];
  uint64_t insert_id;
  uint16_t warning_count;
  uint64_t affected_rows;

  uint16_t column_count;
  uint16_t column_current;
  drizzle_column_st *column_list;
  drizzle_column_st *column;
  drizzle_column_st *column_buffer;

  uint64_t row_count;
  uint64_t row_current;

  uint16_t field_current;
  size_t field_total;
  size_t field_offset;
  size_t field_size;
  drizzle_field_t field;
  drizzle_field_t field_buffer;

  uint64_t row_list_size;
  drizzle_row_t row;
  drizzle_row_list_t *row_list;
  size_t *field_sizes;
  drizzle_field_sizes_list_t *field_sizes_list;

  drizzle_result_st() :
    con(NULL),
    next(NULL),
    prev(NULL),
    options(DRIZZLE_RESULT_NONE),
    error_code(0),
    insert_id(0),
    warning_count(0),
    affected_rows(0),
    column_count(0),
    column_current(0),
    column_list(NULL),
    column(NULL),
    column_buffer(NULL),
    row_count(0),
    row_current(0),
    field_current(0),
    field_total(0),
    field_offset(0),
    field_size(0),
    row_list_size(0),
    row_list(NULL),
    field_sizes(NULL),
    field_sizes_list(NULL)
  { }
};

/**
 * @ingroup drizzle_column
 */
class drizzle_column_st
{
public:
  drizzle_result_st *result;
  drizzle_column_st *next;
  drizzle_column_st *prev;
  struct options_t {
    bool is_allocated;

    options_t() :
      is_allocated(false)
    { }
  } options;
  char catalog[DRIZZLE_MAX_CATALOG_SIZE];
  char schema[DRIZZLE_MAX_DB_SIZE];
  char table[DRIZZLE_MAX_TABLE_SIZE];
  char orig_table[DRIZZLE_MAX_TABLE_SIZE];
  char name[DRIZZLE_MAX_COLUMN_NAME_SIZE];
  char orig_name[DRIZZLE_MAX_COLUMN_NAME_SIZE];
  drizzle_charset_t charset;
  uint32_t size;
  size_t max_size;
  drizzle_column_type_t type;
  int flags;
  uint8_t decimals;
  uint8_t default_value[DRIZZLE_MAX_DEFAULT_VALUE_SIZE];
  size_t default_value_size;

  drizzle_column_st() :
    result(NULL),
    next(NULL),
    prev(NULL),
    size(0),
    max_size(0),
    flags(DRIZZLE_COLUMN_FLAGS_NONE),
    decimals(0),
    default_value_size(0)
  { }
};
#endif

#ifdef __cplusplus
}
#endif