~drizzle-trunk/drizzle/development : contents of examples/sqlite

~drizzle-trunk/drizzle/development : (revision 2424)

/*
 * 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.
 *
 */

#include <config.h>

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>

#include <libdrizzle/drizzle_server.h>
#include <sqlite3.h>

#define SQLITE_SERVER_VERSION "SQLite Server using libdrizzle 0.1"

#define DRIZZLE_RETURN_CHECK(__ret, __function, __drizzle) \
{ \
  if ((__ret) != DRIZZLE_RETURN_OK) \
    DRIZZLE_RETURN_ERROR(__function, __drizzle) \
}

#define DRIZZLE_RETURN_ERROR(__function, __drizzle) \
{ \
  printf(__function ":%s\n", drizzle_error(__drizzle)); \
  return; \
}

#define DRIZZLE_RETURN_CHECK_VAL(__ret, __function, __drizzle) \
{ \
  if ((__ret) != DRIZZLE_RETURN_OK) \
  { \
    printf(__function ":%s\n", drizzle_error(__drizzle)); \
    return ret; \
  } \
}

typedef struct
{
  drizzle_st drizzle;
  drizzle_con_st con;
  drizzle_result_st result;
  drizzle_column_st column;
  sqlite3* db;
  bool send_columns;
  drizzle_verbose_t verbose;
  uint64_t rows;
} sqlite_server;

static void server_run(sqlite_server *server);
static int row_cb(void *data, int field_count, char **fields, char **columns);
static drizzle_return_t send_version(sqlite_server *server);
static void usage(char *name);

int main(int argc, char *argv[])
{
  int c;
  uint32_t count= 0;
  const char *host= NULL;
  bool mysql= false;
  in_port_t port= 0;
  drizzle_return_t ret;
  sqlite_server *server= (sqlite_server*)malloc(sizeof(sqlite_server));
  drizzle_con_st *con_listen= (drizzle_con_st*)malloc(sizeof(drizzle_con_st));

  server->db= NULL;
  server->verbose= DRIZZLE_VERBOSE_NEVER;

  while((c = getopt(argc, argv, "c:h:mp:v")) != -1)
  {
    switch(c)
    {
    case 'c':
      count= (uint32_t)atoi(optarg);
      break;

    case 'h':
      host= optarg;
      break;

    case 'm':
      mysql= true;
      break;

    case 'p':
      port= (in_port_t)atoi(optarg);
      break;

    case 'v':
      switch(server->verbose)
      {
      case DRIZZLE_VERBOSE_NEVER:
        server->verbose= DRIZZLE_VERBOSE_FATAL;
        break;
      case DRIZZLE_VERBOSE_FATAL:
        server->verbose= DRIZZLE_VERBOSE_ERROR;
        break;
      case DRIZZLE_VERBOSE_ERROR:
        server->verbose= DRIZZLE_VERBOSE_INFO;
        break;
      case DRIZZLE_VERBOSE_INFO:
        server->verbose= DRIZZLE_VERBOSE_DEBUG;
        break;
      case DRIZZLE_VERBOSE_DEBUG:
        server->verbose= DRIZZLE_VERBOSE_CRAZY;
        break;
      case DRIZZLE_VERBOSE_CRAZY:
      case DRIZZLE_VERBOSE_MAX:
        break;
      }
      break;

    default:
      usage(argv[0]);
      return 1;
    }
  }

  if (argc != (optind + 1))
  {
    usage(argv[0]);
    return 1;
  }

  sqlite3_open(argv[optind], &(server->db));
  if (server->db == NULL)
  {
    printf("sqlite3_open: could not open sqlite3 db\n");
    return 1;
  }

  if (drizzle_create(&(server->drizzle)) == NULL)
  {
    printf("drizzle_create:NULL\n");
    return 1;
  }

  drizzle_add_options(&(server->drizzle), DRIZZLE_FREE_OBJECTS);
  drizzle_set_verbose(&(server->drizzle), server->verbose);

  if (drizzle_con_create(&(server->drizzle), con_listen) == NULL)
  {
    printf("drizzle_con_create:NULL\n");
    return 1;
  }

  drizzle_con_add_options(con_listen, DRIZZLE_CON_LISTEN);
  drizzle_con_set_tcp(con_listen, host, port);

  if (mysql)
    drizzle_con_add_options(con_listen, DRIZZLE_CON_MYSQL);

  if (drizzle_con_listen(con_listen) != DRIZZLE_RETURN_OK)
  {
    printf("drizzle_con_listen:%s\n", drizzle_error(&(server->drizzle)));
    return 1;
  }

  while (1)
  {
    (void)drizzle_con_accept(&(server->drizzle), &(server->con), &ret);
    if (ret != DRIZZLE_RETURN_OK)
    {
      printf("drizzle_con_accept:%s\n", drizzle_error(&(server->drizzle)));
      return 1;
    }

    server_run(server);

    drizzle_con_free(&(server->con));

    if (count > 0)
    {
      count--;

      if (count == 0)
        break;
    }
  }

  drizzle_con_free(con_listen);
  drizzle_free(&(server->drizzle));
  sqlite3_close(server->db);
  free(con_listen);
  free(server);

  return 0;
}

static void server_run(sqlite_server *server)
{
  drizzle_return_t ret;
  drizzle_command_t command;
  uint8_t *data= NULL;
  size_t total;
  int sqlite_ret;
  char *sqlite_err;

  /* Handshake packets. */
  drizzle_con_set_protocol_version(&(server->con), 10);
  drizzle_con_set_server_version(&(server->con), "libdrizzle+SQLite");
  drizzle_con_set_thread_id(&(server->con), 1);
  drizzle_con_set_scramble(&(server->con),
                           (const uint8_t *)"ABCDEFGHIJKLMNOPQRST");
  drizzle_con_set_capabilities(&(server->con), DRIZZLE_CAPABILITIES_NONE);
  drizzle_con_set_charset(&(server->con), 8);
  drizzle_con_set_status(&(server->con), DRIZZLE_CON_STATUS_NONE);
  drizzle_con_set_max_packet_size(&(server->con), DRIZZLE_MAX_PACKET_SIZE);

  ret= drizzle_handshake_server_write(&(server->con));
  DRIZZLE_RETURN_CHECK(ret, "drizzle_handshake_server_write",
                       &(server->drizzle))

  ret= drizzle_handshake_client_read(&(server->con));
  DRIZZLE_RETURN_CHECK(ret, "drizzle_handshake_client_read", &(server->drizzle))

  if (drizzle_result_create(&(server->con), &(server->result)) == NULL)
    DRIZZLE_RETURN_ERROR("drizzle_result_create", &(server->drizzle))

  ret= drizzle_result_write(&(server->con), &(server->result), true);
  DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))

  /* Command loop. */
  while (1)
  {
    drizzle_result_free(&(server->result));
    free(data);

    data= (uint8_t *)drizzle_con_command_buffer(&(server->con), &command, &total, &ret);
    if (ret == DRIZZLE_RETURN_LOST_CONNECTION ||
        (ret == DRIZZLE_RETURN_OK && command == DRIZZLE_COMMAND_QUIT))
    {
      free(data);
      return;
    }
    DRIZZLE_RETURN_CHECK(ret, "drizzle_con_command_buffer", &(server->drizzle))

    if (server->verbose >= DRIZZLE_VERBOSE_INFO)
    {
      printf("Command=%u Data=%s\n", command,
             data == NULL ? "NULL" : (char *)data);
    }

    if (drizzle_result_create(&(server->con), &(server->result)) == NULL)
      DRIZZLE_RETURN_ERROR("drizzle_result_create", &(server->drizzle))

    if (command != DRIZZLE_COMMAND_QUERY ||
        !strcasecmp((char *)data, "SHOW DATABASES"))
    {
      ret= drizzle_result_write(&(server->con), &(server->result), true);
      DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))

      if (command == DRIZZLE_COMMAND_FIELD_LIST)
      {
        drizzle_result_set_eof(&(server->result), true);
        ret= drizzle_result_write(&(server->con), &(server->result), true);
        DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
      }

      continue;
    }

    if (strstr((char *)data, "@@version") != NULL)
    {
      ret= send_version(server);
      if (ret != DRIZZLE_RETURN_OK)
        return;

      continue;
    }

    server->send_columns= true;
    server->rows= 0;

    if (!strcasecmp((char *)data, "SHOW TABLES"))
    {
      sqlite_ret= sqlite3_exec(server->db,
                            "SELECT name FROM sqlite_master WHERE type='table'",
                               row_cb, server, &sqlite_err);
    }
    else
    {
      sqlite_ret= sqlite3_exec(server->db, (char *)data, row_cb, server,
                               &sqlite_err);
    }

    if (sqlite_ret != SQLITE_OK)
    {
      if (sqlite_err == NULL)
        printf("sqlite3_exec failed\n");
      else
      {
        drizzle_result_set_error_code(&(server->result), (uint16_t)sqlite_ret);
        drizzle_result_set_error(&(server->result), sqlite_err);
        ret= drizzle_result_write(&(server->con), &(server->result), true);
        DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))

        printf("sqlite3_exec:%s\n", sqlite_err);
        sqlite3_free(sqlite_err);
      }

      return;
    }

    if (server->rows == 0)
    {
      drizzle_result_set_column_count(&(server->result), 0);
      ret= drizzle_result_write(&(server->con), &(server->result), true);
      DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
    }
    else
    {
      drizzle_result_set_eof(&(server->result), true);
      ret= drizzle_result_write(&(server->con), &(server->result), true);
      DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
    }
  }
}

static int row_cb(void *data, int field_count, char **fields, char **columns)
{
  sqlite_server *server= (sqlite_server *)data;
  drizzle_return_t ret;
  int x;
  size_t *sizes= (size_t*)malloc(sizeof(size_t)*8192);

  if (server->send_columns == true)
  {
    server->send_columns= false;
    drizzle_result_set_column_count(&(server->result), (uint16_t)field_count);

    ret= drizzle_result_write(&(server->con), &(server->result), false);
    DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))

    if (drizzle_column_create(&(server->result), &(server->column)) == NULL)
    {
      DRIZZLE_RETURN_CHECK_VAL(DRIZZLE_RETURN_MEMORY, "drizzle_column_create",
                               &(server->drizzle))
    }

    drizzle_column_set_catalog(&(server->column), "sqlite");
    drizzle_column_set_db(&(server->column), "sqlite_db");
    drizzle_column_set_table(&(server->column), "sqlite_table");
    drizzle_column_set_orig_table(&(server->column), "sqlite_table");
    drizzle_column_set_charset(&(server->column), 8);
    drizzle_column_set_type(&(server->column), DRIZZLE_COLUMN_TYPE_VARCHAR);

    for (x= 0; x < field_count; x++)
    {
      drizzle_column_set_size(&(server->column),
                              fields[x] == NULL ?
                              0 : (uint32_t)strlen(fields[x]));
      drizzle_column_set_name(&(server->column), columns[x]);
      drizzle_column_set_orig_name(&(server->column), columns[x]);

      ret= drizzle_column_write(&(server->result), &(server->column));
      DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_column_write", &(server->drizzle))
    }

    drizzle_column_free(&(server->column));

    drizzle_result_set_eof(&(server->result), true);

    ret= drizzle_result_write(&(server->con), &(server->result), false);
    DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))
  }

  for (x= 0; x < field_count; x++)
  {
    if (fields[x] == NULL)
      sizes[x]= 0;
    else
      sizes[x]= strlen(fields[x]);
  }

  /* This is needed for MySQL and old Drizzle protocol. */
  drizzle_result_calc_row_size(&(server->result), (drizzle_field_t *)fields,
                               sizes);

  ret= drizzle_row_write(&(server->result));
  DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_row_write", &(server->drizzle))

  for (x= 0; x < field_count; x++)
  {
    ret= drizzle_field_write(&(server->result), (drizzle_field_t)fields[x],
                             sizes[x], sizes[x]);
    DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_field_write", &(server->drizzle))
  }

  server->rows++;

  free(sizes);

  return 0;
}

static drizzle_return_t send_version(sqlite_server *server)
{
  drizzle_return_t ret;
  drizzle_field_t fields[1];
  size_t sizes[1];

  fields[0]= (drizzle_field_t)SQLITE_SERVER_VERSION;
  sizes[0]= strlen(SQLITE_SERVER_VERSION);

  drizzle_result_set_column_count(&(server->result), 1);

  ret= drizzle_result_write(&(server->con), &(server->result), false);
  DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))

  if (drizzle_column_create(&(server->result), &(server->column)) == NULL)
  {
    DRIZZLE_RETURN_CHECK_VAL(DRIZZLE_RETURN_MEMORY, "drizzle_column_create",
                             &(server->drizzle))
  }

  drizzle_column_set_catalog(&(server->column), "sqlite");
  drizzle_column_set_db(&(server->column), "sqlite_db");
  drizzle_column_set_table(&(server->column), "sqlite_table");
  drizzle_column_set_orig_table(&(server->column), "sqlite_table");
  drizzle_column_set_charset(&(server->column), 8);
  drizzle_column_set_type(&(server->column), DRIZZLE_COLUMN_TYPE_VARCHAR);
  drizzle_column_set_size(&(server->column), (uint32_t)sizes[0]);
  drizzle_column_set_name(&(server->column), "version");
  drizzle_column_set_orig_name(&(server->column), "version");

  ret= drizzle_column_write(&(server->result), &(server->column));
  DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_column_write", &(server->drizzle))

  drizzle_column_free(&(server->column));

  drizzle_result_set_eof(&(server->result), true);

  ret= drizzle_result_write(&(server->con), &(server->result), false);
  DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))

  /* This is needed for MySQL and old Drizzle protocol. */
  drizzle_result_calc_row_size(&(server->result), fields, sizes);

  ret= drizzle_row_write(&(server->result));
  DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_row_write", &(server->drizzle))

  ret= drizzle_field_write(&(server->result), fields[0], sizes[0], sizes[0]);
  DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_field_write", &(server->drizzle))

  ret= drizzle_result_write(&(server->con), &(server->result), true);
  DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))

  return DRIZZLE_RETURN_OK;
}

static void usage(char *name)
{
  printf("\nusage: %s [-c <count>] [-h <host>] [-m] [-p <port>] [-v] "
         "<sqlite3 db file>\n", name);
  printf("\t-c <count> - Number of connections to accept before exiting\n");
  printf("\t-h <host>  - Host to listen on\n");
  printf("\t-m         - Use the MySQL protocol\n");
  printf("\t-p <port>  - Port to listen on\n");
  printf("\t-v         - Increase verbosity level\n");
}

1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	1	/*
	2	* Drizzle Client & Protocol Library
	3	*
	4	* Copyright (C) 2008 Eric Day (eday@oddments.org)
	5	* All rights reserved.
	6	*
1971.2.1 by kalebral at gmail update files that did not have license or had incorrect license structure	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions are
	9	* met:
	10	*
	11	* * Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	*
	14	* * Redistributions in binary form must reproduce the above
	15	* copyright notice, this list of conditions and the following disclaimer
	16	* in the documentation and/or other materials provided with the
	17	* distribution.
	18	*
	19	* * The names of its contributors may not be used to endorse or
	20	* promote products derived from this software without specific prior
	21	* written permission.
	22	*
	23	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	24	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	25	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	26	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	27	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	28	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	29	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	30	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	31	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	32	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	33	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	34	*
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	35	*/
	36
2244.1.1 by Monty Taylor Split libdrizzle into 1.0 and 2.0. Applied the C++ changes to 2.0 branch.	37	#include <config.h>
1971.2.1 by kalebral at gmail update files that did not have license or had incorrect license structure	38
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	39	#include <errno.h>
	40	#include <stdio.h>
	41	#include <stdlib.h>
	42	#include <string.h>
	43	#include <strings.h>
	44	#include <unistd.h>
	45
	46	#include <libdrizzle/drizzle_server.h>
	47	#include <sqlite3.h>
	48
	49	#define SQLITE_SERVER_VERSION "SQLite Server using libdrizzle 0.1"
	50
	51	#define DRIZZLE_RETURN_CHECK(__ret, __function, __drizzle) \
	52	{ \
	53	if ((__ret) != DRIZZLE_RETURN_OK) \
	54	DRIZZLE_RETURN_ERROR(__function, __drizzle) \
	55	}
	56
	57	#define DRIZZLE_RETURN_ERROR(__function, __drizzle) \
	58	{ \
	59	printf(__function ":%s\n", drizzle_error(__drizzle)); \
	60	return; \
	61	}
	62
	63	#define DRIZZLE_RETURN_CHECK_VAL(__ret, __function, __drizzle) \
	64	{ \
	65	if ((__ret) != DRIZZLE_RETURN_OK) \
	66	{ \
	67	printf(__function ":%s\n", drizzle_error(__drizzle)); \
	68	return ret; \
	69	} \
	70	}
	71
	72	typedef struct
	73	{
	74	drizzle_st drizzle;
	75	drizzle_con_st con;
	76	drizzle_result_st result;
	77	drizzle_column_st column;
	78	sqlite3* db;
	79	bool send_columns;
	80	drizzle_verbose_t verbose;
	81	uint64_t rows;
	82	} sqlite_server;
	83
	84	static void server_run(sqlite_server *server);
	85	static int row_cb(void data, int field_count, char fields, char *columns);
	86	static drizzle_return_t send_version(sqlite_server *server);
	87	static void usage(char *name);
	88
	89	int main(int argc, char *argv[])
	90	{
	91	int c;
	92	uint32_t count= 0;
	93	const char *host= NULL;
	94	bool mysql= false;
	95	in_port_t port= 0;
	96	drizzle_return_t ret;
1929.1.35 by Stewart Smith typo	97	sqlite_server server= (sqlite_server)malloc(sizeof(sqlite_server));
1929.1.33 by Stewart Smith fix large stack usag ein examples/sqlite_server.c:	98	drizzle_con_st con_listen= (drizzle_con_st)malloc(sizeof(drizzle_con_st));
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	99
1929.1.34 by Stewart Smith fix sqlite_server stack usage	100	server->db= NULL;
1929.1.34 by Stewart Smith fix sqlite_server stack usage	101	server->verbose= DRIZZLE_VERBOSE_NEVER;
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	102
	103	while((c = getopt(argc, argv, "c:h:mp:v")) != -1)
	104	{
	105	switch(c)
	106	{
	107	case 'c':
	108	count= (uint32_t)atoi(optarg);
	109	break;
	110
	111	case 'h':
	112	host= optarg;
	113	break;
	114
	115	case 'm':
	116	mysql= true;
	117	break;
	118
	119	case 'p':
	120	port= (in_port_t)atoi(optarg);
	121	break;
	122
	123	case 'v':
1992.6.2 by Monty Taylor Cleaned up for additional gcc 4.5 warnings.	124	switch(server->verbose)
	125	{
	126	case DRIZZLE_VERBOSE_NEVER:
	127	server->verbose= DRIZZLE_VERBOSE_FATAL;
	128	break;
	129	case DRIZZLE_VERBOSE_FATAL:
	130	server->verbose= DRIZZLE_VERBOSE_ERROR;
	131	break;
	132	case DRIZZLE_VERBOSE_ERROR:
	133	server->verbose= DRIZZLE_VERBOSE_INFO;
	134	break;
	135	case DRIZZLE_VERBOSE_INFO:
	136	server->verbose= DRIZZLE_VERBOSE_DEBUG;
	137	break;
	138	case DRIZZLE_VERBOSE_DEBUG:
	139	server->verbose= DRIZZLE_VERBOSE_CRAZY;
	140	break;
	141	case DRIZZLE_VERBOSE_CRAZY:
	142	case DRIZZLE_VERBOSE_MAX:
	143	break;
	144	}
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	145	break;
	146
	147	default:
	148	usage(argv[0]);
	149	return 1;
	150	}
	151	}
	152
	153	if (argc != (optind + 1))
	154	{
	155	usage(argv[0]);
	156	return 1;
	157	}
	158
1929.1.34 by Stewart Smith fix sqlite_server stack usage	159	sqlite3_open(argv[optind], &(server->db));
1929.1.34 by Stewart Smith fix sqlite_server stack usage	160	if (server->db == NULL)
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	161	{
	162	printf("sqlite3_open: could not open sqlite3 db\n");
	163	return 1;
	164	}
	165
1929.1.34 by Stewart Smith fix sqlite_server stack usage	166	if (drizzle_create(&(server->drizzle)) == NULL)
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	167	{
	168	printf("drizzle_create:NULL\n");
	169	return 1;
	170	}
	171
1929.1.34 by Stewart Smith fix sqlite_server stack usage	172	drizzle_add_options(&(server->drizzle), DRIZZLE_FREE_OBJECTS);
1929.1.34 by Stewart Smith fix sqlite_server stack usage	173	drizzle_set_verbose(&(server->drizzle), server->verbose);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	174
1929.1.34 by Stewart Smith fix sqlite_server stack usage	175	if (drizzle_con_create(&(server->drizzle), con_listen) == NULL)
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	176	{
	177	printf("drizzle_con_create:NULL\n");
	178	return 1;
	179	}
	180
1929.1.33 by Stewart Smith fix large stack usag ein examples/sqlite_server.c:	181	drizzle_con_add_options(con_listen, DRIZZLE_CON_LISTEN);
	182	drizzle_con_set_tcp(con_listen, host, port);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	183
	184	if (mysql)
1929.1.33 by Stewart Smith fix large stack usag ein examples/sqlite_server.c:	185	drizzle_con_add_options(con_listen, DRIZZLE_CON_MYSQL);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	186
1929.1.33 by Stewart Smith fix large stack usag ein examples/sqlite_server.c:	187	if (drizzle_con_listen(con_listen) != DRIZZLE_RETURN_OK)
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	188	{
1929.1.34 by Stewart Smith fix sqlite_server stack usage	189	printf("drizzle_con_listen:%s\n", drizzle_error(&(server->drizzle)));
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	190	return 1;
	191	}
	192
	193	while (1)
	194	{
1929.1.34 by Stewart Smith fix sqlite_server stack usage	195	(void)drizzle_con_accept(&(server->drizzle), &(server->con), &ret);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	196	if (ret != DRIZZLE_RETURN_OK)
	197	{
1929.1.34 by Stewart Smith fix sqlite_server stack usage	198	printf("drizzle_con_accept:%s\n", drizzle_error(&(server->drizzle)));
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	199	return 1;
	200	}
	201
1929.1.34 by Stewart Smith fix sqlite_server stack usage	202	server_run(server);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	203
1929.1.34 by Stewart Smith fix sqlite_server stack usage	204	drizzle_con_free(&(server->con));
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	205
	206	if (count > 0)
	207	{
	208	count--;
	209
	210	if (count == 0)
	211	break;
	212	}
	213	}
	214
1929.1.33 by Stewart Smith fix large stack usag ein examples/sqlite_server.c:	215	drizzle_con_free(con_listen);
1929.1.34 by Stewart Smith fix sqlite_server stack usage	216	drizzle_free(&(server->drizzle));
1929.1.34 by Stewart Smith fix sqlite_server stack usage	217	sqlite3_close(server->db);
1929.1.33 by Stewart Smith fix large stack usag ein examples/sqlite_server.c:	218	free(con_listen);
1929.1.34 by Stewart Smith fix sqlite_server stack usage	219	free(server);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	220
	221	return 0;
	222	}
	223
	224	static void server_run(sqlite_server *server)
	225	{
	226	drizzle_return_t ret;
	227	drizzle_command_t command;
	228	uint8_t *data= NULL;
	229	size_t total;
	230	int sqlite_ret;
	231	char *sqlite_err;
	232
	233	/* Handshake packets. */
	234	drizzle_con_set_protocol_version(&(server->con), 10);
	235	drizzle_con_set_server_version(&(server->con), "libdrizzle+SQLite");
	236	drizzle_con_set_thread_id(&(server->con), 1);
	237	drizzle_con_set_scramble(&(server->con),
	238	(const uint8_t *)"ABCDEFGHIJKLMNOPQRST");
	239	drizzle_con_set_capabilities(&(server->con), DRIZZLE_CAPABILITIES_NONE);
	240	drizzle_con_set_charset(&(server->con), 8);
	241	drizzle_con_set_status(&(server->con), DRIZZLE_CON_STATUS_NONE);
	242	drizzle_con_set_max_packet_size(&(server->con), DRIZZLE_MAX_PACKET_SIZE);
	243
	244	ret= drizzle_handshake_server_write(&(server->con));
	245	DRIZZLE_RETURN_CHECK(ret, "drizzle_handshake_server_write",
	246	&(server->drizzle))
	247
	248	ret= drizzle_handshake_client_read(&(server->con));
	249	DRIZZLE_RETURN_CHECK(ret, "drizzle_handshake_client_read", &(server->drizzle))
	250
	251	if (drizzle_result_create(&(server->con), &(server->result)) == NULL)
	252	DRIZZLE_RETURN_ERROR("drizzle_result_create", &(server->drizzle))
	253
	254	ret= drizzle_result_write(&(server->con), &(server->result), true);
	255	DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
	256
	257	/* Command loop. */
	258	while (1)
	259	{
	260	drizzle_result_free(&(server->result));
2353.3.1 by Mark Atwood fix cppcheck redundantIfDelete0 warnings. It is safe to deallocate a NULL pointer	261	free(data);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	262
1992.6.2 by Monty Taylor Cleaned up for additional gcc 4.5 warnings.	263	data= (uint8_t *)drizzle_con_command_buffer(&(server->con), &command, &total, &ret);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	264	if (ret == DRIZZLE_RETURN_LOST_CONNECTION \|\|
	265	(ret == DRIZZLE_RETURN_OK && command == DRIZZLE_COMMAND_QUIT))
	266	{
2353.3.1 by Mark Atwood fix cppcheck redundantIfDelete0 warnings. It is safe to deallocate a NULL pointer	267	free(data);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	268	return;
	269	}
	270	DRIZZLE_RETURN_CHECK(ret, "drizzle_con_command_buffer", &(server->drizzle))
	271
	272	if (server->verbose >= DRIZZLE_VERBOSE_INFO)
	273	{
	274	printf("Command=%u Data=%s\n", command,
	275	data == NULL ? "NULL" : (char *)data);
	276	}
	277
	278	if (drizzle_result_create(&(server->con), &(server->result)) == NULL)
	279	DRIZZLE_RETURN_ERROR("drizzle_result_create", &(server->drizzle))
	280
	281	if (command != DRIZZLE_COMMAND_QUERY \|\|
	282	!strcasecmp((char *)data, "SHOW DATABASES"))
	283	{
	284	ret= drizzle_result_write(&(server->con), &(server->result), true);
	285	DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
	286
	287	if (command == DRIZZLE_COMMAND_FIELD_LIST)
	288	{
	289	drizzle_result_set_eof(&(server->result), true);
	290	ret= drizzle_result_write(&(server->con), &(server->result), true);
	291	DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
	292	}
	293
	294	continue;
	295	}
	296
	297	if (strstr((char *)data, "@@version") != NULL)
	298	{
	299	ret= send_version(server);
	300	if (ret != DRIZZLE_RETURN_OK)
	301	return;
	302
	303	continue;
	304	}
	305
	306	server->send_columns= true;
	307	server->rows= 0;
	308
	309	if (!strcasecmp((char *)data, "SHOW TABLES"))
	310	{
	311	sqlite_ret= sqlite3_exec(server->db,
	312	"SELECT name FROM sqlite_master WHERE type='table'",
	313	row_cb, server, &sqlite_err);
	314	}
	315	else
	316	{
	317	sqlite_ret= sqlite3_exec(server->db, (char *)data, row_cb, server,
	318	&sqlite_err);
	319	}
	320
	321	if (sqlite_ret != SQLITE_OK)
	322	{
	323	if (sqlite_err == NULL)
	324	printf("sqlite3_exec failed\n");
	325	else
	326	{
	327	drizzle_result_set_error_code(&(server->result), (uint16_t)sqlite_ret);
	328	drizzle_result_set_error(&(server->result), sqlite_err);
	329	ret= drizzle_result_write(&(server->con), &(server->result), true);
	330	DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
	331
332	printf("sqlite3_exec:%s\n", sqlite_err);
333	sqlite3_free(sqlite_err);
334	}
335
336	return;
337	}
338
339	if (server->rows == 0)
340	{
341	drizzle_result_set_column_count(&(server->result), 0);
342	ret= drizzle_result_write(&(server->con), &(server->result), true);
343	DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
344	}
345	else
346	{
347	drizzle_result_set_eof(&(server->result), true);
348	ret= drizzle_result_write(&(server->con), &(server->result), true);
349	DRIZZLE_RETURN_CHECK(ret, "drizzle_result_write", &(server->drizzle))
350	}
351	}
352	}
353
354	static int row_cb(void data, int field_count, char fields, char *columns)
355	{
356	sqlite_server server= (sqlite_server )data;
357	drizzle_return_t ret;
358	int x;
1929.1.36 by Stewart Smith one last sqlite_server stack fix	359	size_t sizes= (size_t)malloc(sizeof(size_t)*8192);
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	360
	361	if (server->send_columns == true)
	362	{
	363	server->send_columns= false;
	364	drizzle_result_set_column_count(&(server->result), (uint16_t)field_count);
	365
	366	ret= drizzle_result_write(&(server->con), &(server->result), false);
	367	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))
	368
	369	if (drizzle_column_create(&(server->result), &(server->column)) == NULL)
	370	{
	371	DRIZZLE_RETURN_CHECK_VAL(DRIZZLE_RETURN_MEMORY, "drizzle_column_create",
	372	&(server->drizzle))
	373	}
	374
	375	drizzle_column_set_catalog(&(server->column), "sqlite");
	376	drizzle_column_set_db(&(server->column), "sqlite_db");
	377	drizzle_column_set_table(&(server->column), "sqlite_table");
	378	drizzle_column_set_orig_table(&(server->column), "sqlite_table");
	379	drizzle_column_set_charset(&(server->column), 8);
	380	drizzle_column_set_type(&(server->column), DRIZZLE_COLUMN_TYPE_VARCHAR);
	381
	382	for (x= 0; x < field_count; x++)
	383	{
	384	drizzle_column_set_size(&(server->column),
	385	fields[x] == NULL ?
	386	0 : (uint32_t)strlen(fields[x]));
	387	drizzle_column_set_name(&(server->column), columns[x]);
	388	drizzle_column_set_orig_name(&(server->column), columns[x]);
	389
	390	ret= drizzle_column_write(&(server->result), &(server->column));
	391	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_column_write", &(server->drizzle))
	392	}
	393
	394	drizzle_column_free(&(server->column));
	395
	396	drizzle_result_set_eof(&(server->result), true);
	397
	398	ret= drizzle_result_write(&(server->con), &(server->result), false);
	399	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))
	400	}
	401
	402	for (x= 0; x < field_count; x++)
	403	{
	404	if (fields[x] == NULL)
	405	sizes[x]= 0;
	406	else
	407	sizes[x]= strlen(fields[x]);
	408	}
	409
	410	/* This is needed for MySQL and old Drizzle protocol. */
	411	drizzle_result_calc_row_size(&(server->result), (drizzle_field_t *)fields,
	412	sizes);
	413
	414	ret= drizzle_row_write(&(server->result));
	415	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_row_write", &(server->drizzle))
	416
	417	for (x= 0; x < field_count; x++)
	418	{
	419	ret= drizzle_field_write(&(server->result), (drizzle_field_t)fields[x],
	420	sizes[x], sizes[x]);
	421	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_field_write", &(server->drizzle))
	422	}
	423
424	server->rows++;
425
1929.1.36 by Stewart Smith one last sqlite_server stack fix	426	free(sizes);
1929.1.36 by Stewart Smith one last sqlite_server stack fix	427
1712.1.1 by Monty Taylor Merged libdrizzle directly into tree.	428	return 0;
	429	}
	430
	431	static drizzle_return_t send_version(sqlite_server *server)
	432	{
	433	drizzle_return_t ret;
	434	drizzle_field_t fields[1];
	435	size_t sizes[1];
	436
	437	fields[0]= (drizzle_field_t)SQLITE_SERVER_VERSION;
	438	sizes[0]= strlen(SQLITE_SERVER_VERSION);
	439
	440	drizzle_result_set_column_count(&(server->result), 1);
	441
	442	ret= drizzle_result_write(&(server->con), &(server->result), false);
	443	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))
	444
	445	if (drizzle_column_create(&(server->result), &(server->column)) == NULL)
	446	{
	447	DRIZZLE_RETURN_CHECK_VAL(DRIZZLE_RETURN_MEMORY, "drizzle_column_create",
	448	&(server->drizzle))
	449	}
	450
	451	drizzle_column_set_catalog(&(server->column), "sqlite");
	452	drizzle_column_set_db(&(server->column), "sqlite_db");
	453	drizzle_column_set_table(&(server->column), "sqlite_table");
	454	drizzle_column_set_orig_table(&(server->column), "sqlite_table");
	455	drizzle_column_set_charset(&(server->column), 8);
	456	drizzle_column_set_type(&(server->column), DRIZZLE_COLUMN_TYPE_VARCHAR);
	457	drizzle_column_set_size(&(server->column), (uint32_t)sizes[0]);
	458	drizzle_column_set_name(&(server->column), "version");
	459	drizzle_column_set_orig_name(&(server->column), "version");
	460
	461	ret= drizzle_column_write(&(server->result), &(server->column));
	462	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_column_write", &(server->drizzle))
	463
	464	drizzle_column_free(&(server->column));
	465
	466	drizzle_result_set_eof(&(server->result), true);
	467
	468	ret= drizzle_result_write(&(server->con), &(server->result), false);
	469	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))
	470
	471	/* This is needed for MySQL and old Drizzle protocol. */
	472	drizzle_result_calc_row_size(&(server->result), fields, sizes);
	473
	474	ret= drizzle_row_write(&(server->result));
	475	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_row_write", &(server->drizzle))
	476
	477	ret= drizzle_field_write(&(server->result), fields[0], sizes[0], sizes[0]);
	478	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_field_write", &(server->drizzle))
	479
	480	ret= drizzle_result_write(&(server->con), &(server->result), true);
	481	DRIZZLE_RETURN_CHECK_VAL(ret, "drizzle_result_write", &(server->drizzle))
	482
	483	return DRIZZLE_RETURN_OK;
	484	}
	485
	486	static void usage(char *name)
	487	{
	488	printf("\nusage: %s [-c <count>] [-h <host>] [-m] [-p <port>] [-v] "
	489	"<sqlite3 db file>\n", name);
	490	printf("\t-c <count> - Number of connections to accept before exiting\n");
	491	printf("\t-h <host> - Host to listen on\n");
492	printf("\t-m - Use the MySQL protocol\n");
493	printf("\t-p <port> - Port to listen on\n");
494	printf("\t-v - Increase verbosity level\n");
495	}