~drizzle-trunk/drizzle/development

/*

 * 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 <errno.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <unistd.h>

#include <libdrizzle-2.0/drizzle_client.h>

#define BUFFER_CHUNK 8192

int main(int argc, char *argv[])

{

  int c;

  char *host= NULL;

  in_port_t port= 0;

  char *user= NULL;

  char *password= NULL;

  char *buffer= NULL;

  size_t buffer_size= 0;

  ssize_t read_size= 0;

  drizzle_st drizzle;

  drizzle_con_st *con= (drizzle_con_st*)malloc(sizeof(drizzle_con_st));

  drizzle_result_st result;

  drizzle_return_t ret;

  drizzle_field_t field;

  size_t offset;

  size_t size;

  size_t total;

  if (con == NULL)

  {

    printf("Failed to allocate memory for drizzle connection");

    exit(1);

  }

  /* The docs say this might fail, so check for errors. */

  if (drizzle_create(&drizzle) == NULL)

  {

    printf("drizzle_create:failed\n");

    exit(1);

  }

  if (drizzle_con_create(&drizzle, con) == NULL)

  {

    printf("drizzle_con_create:%s\n", drizzle_error(&drizzle));

    exit(1);

  }

  while ((c = getopt(argc, argv, "d:h:Hmp:P:u:")) != -1)

  {

    switch(c)

    {

    case 'd':

      drizzle_con_set_db(con, optarg);

      break;

    case 'h':

      host= optarg;

      break;

    case 'm':

      drizzle_con_add_options(con, DRIZZLE_CON_MYSQL);

      break;

    case 'p':

      password= optarg;

      break;

    case 'P':

      port= (in_port_t)atoi(optarg);

      break;

    case 'u':

      user= optarg;

      break;

    case 'H':

    default:

      printf("\nUsage: %s [options] [query]\n", argv[0]);

      printf("\t-d <db>       - Use <db> for the connection\n");

      printf("\t-h <host>     - Connect to <host>\n");

      printf("\t-H            - Print this help menu\n");

      printf("\t-m            - Use MySQL protocol\n");

      printf("\t-p <password> - Use <password> for authentication\n");

      printf("\t-P <port>     - Connect to <port>\n");

      printf("\t-u <user>     - Use <user> for authentication\n");

      exit(0);

    }

  }

  drizzle_con_set_tcp(con, host, port);

  drizzle_con_set_auth(con, user, password);

  do

  {

    if (read_size == -1)

    {

      printf("read:%d\n", errno);

      return 1;

    }

    buffer_size+= (size_t)read_size;

    buffer= (char *)realloc(buffer, buffer_size + BUFFER_CHUNK);

    if (buffer == NULL)

    {

      printf("realloc:%d\n", errno);

      return 1;

    }

  } while ((read_size= read(0, buffer + buffer_size, BUFFER_CHUNK)) != 0);

  (void)drizzle_query(con, &result, buffer, buffer_size, &ret);

  if (ret != DRIZZLE_RETURN_OK)

  {

    printf("drizzle_query:%s\n", drizzle_error(&drizzle));

    return 1;

  }

  free(buffer);

  ret= drizzle_column_skip(&result);

  if (ret != DRIZZLE_RETURN_OK)

  {

    printf("drizzle_column_skip:%s\n", drizzle_error(&drizzle));

    return 1;

  }

  while (drizzle_row_read(&result, &ret) != 0 && ret == DRIZZLE_RETURN_OK)

  {

    while (1)

    {

      field= drizzle_field_read(&result, &offset, &size, &total, &ret);

      if (ret == DRIZZLE_RETURN_ROW_END)

        break;

      else if (ret != DRIZZLE_RETURN_OK)

      {

        printf("drizzle_field_read:%s\n", drizzle_error(&drizzle));

        return 1;

      }

      if (field == NULL)

        printf("NULL");

      else

        printf("%.*s", (int)size, field);

      if (offset + size == total)

        printf("\t");

    }

    printf("\n");

  }

  if (ret != DRIZZLE_RETURN_OK)

  {

    printf("drizzle_row_read:%s\n", drizzle_error(&drizzle));

    return 1;

  }

  drizzle_result_free(&result);

  drizzle_con_free(con);

  drizzle_free(&drizzle);

  free(con);

  return 0;

}