mirror of
				https://github.com/MariaDB/server.git
				synced 2025-10-31 19:06:14 +01:00 
			
		
		
		
	
		
			
				
	
	
		
			229 lines
		
	
	
	
		
			7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			229 lines
		
	
	
	
		
			7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- c-basic-offset: 2 -*- */
 | |
| /*
 | |
|   Copyright(C) 2010 Tetsuro IKEDA
 | |
|   Copyright(C) 2011-2013 Kentoku SHIBA
 | |
|   Copyright(C) 2011-2015 Kouhei Sutou <kou@clear-code.com>
 | |
| 
 | |
|   This library is free software; you can redistribute it and/or
 | |
|   modify it under the terms of the GNU Lesser General Public
 | |
|   License as published by the Free Software Foundation; either
 | |
|   version 2.1 of the License, or (at your option) any later version.
 | |
| 
 | |
|   This library is distributed in the hope that it will be useful,
 | |
|   but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|   Lesser General Public License for more details.
 | |
| 
 | |
|   You should have received a copy of the GNU Lesser General Public
 | |
|   License along with this library; if not, write to the Free Software
 | |
|   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1335  USA
 | |
| */
 | |
| 
 | |
| #include <mrn_mysql.h>
 | |
| 
 | |
| #include "mrn_path_mapper.hpp"
 | |
| 
 | |
| #include <string.h>
 | |
| 
 | |
| namespace mrn {
 | |
|   char *PathMapper::default_path_prefix = NULL;
 | |
|   char *PathMapper::default_mysql_data_home_path = NULL;
 | |
| 
 | |
|   PathMapper::PathMapper(const char *original_mysql_path,
 | |
|                          const char *path_prefix,
 | |
|                          const char *mysql_data_home_path)
 | |
|     : original_mysql_path_(original_mysql_path),
 | |
|       path_prefix_(path_prefix),
 | |
|       mysql_data_home_path_(mysql_data_home_path) {
 | |
|     db_path_[0] = '\0';
 | |
|     db_name_[0] = '\0';
 | |
|     table_name_[0] = '\0';
 | |
|     mysql_table_name_[0] = '\0';
 | |
|     mysql_path_[0] = '\0';
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * "./${db}/${table}"                              ==> "${db}.mrn"
 | |
|    * "./${db}/"                                      ==> "${db}.mrn"
 | |
|    * "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0" ==>
 | |
|    *   "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0.mrn"
 | |
|    */
 | |
|   const char *PathMapper::db_path() {
 | |
|     if (db_path_[0] != '\0') {
 | |
|       return db_path_;
 | |
|     }
 | |
| 
 | |
|     if (original_mysql_path_[0] == FN_CURLIB &&
 | |
|         original_mysql_path_[1] == FN_LIBCHAR) {
 | |
|       if (path_prefix_) {
 | |
|         strcpy(db_path_, path_prefix_);
 | |
|       }
 | |
| 
 | |
|       int i = 2, j = strlen(db_path_), len;
 | |
|       len = strlen(original_mysql_path_);
 | |
|       while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
 | |
|         db_path_[j++] = original_mysql_path_[i++];
 | |
|       }
 | |
|       db_path_[j] = '\0';
 | |
|     } else if (mysql_data_home_path_) {
 | |
|       int len = strlen(original_mysql_path_);
 | |
|       int mysql_data_home_len = strlen(mysql_data_home_path_);
 | |
|       if (len > mysql_data_home_len &&
 | |
|           !strncmp(original_mysql_path_,
 | |
|                    mysql_data_home_path_,
 | |
|                    mysql_data_home_len)) {
 | |
|         int i = mysql_data_home_len, j;
 | |
|         if (path_prefix_ && path_prefix_[0] == FN_LIBCHAR) {
 | |
|           strcpy(db_path_, path_prefix_);
 | |
|           j = strlen(db_path_);
 | |
|         } else {
 | |
|           memcpy(db_path_, mysql_data_home_path_, mysql_data_home_len);
 | |
|           if (path_prefix_) {
 | |
|             if (path_prefix_[0] == FN_CURLIB &&
 | |
|                 path_prefix_[1] == FN_LIBCHAR) {
 | |
|               strcpy(&db_path_[mysql_data_home_len], &path_prefix_[2]);
 | |
|             } else {
 | |
|               strcpy(&db_path_[mysql_data_home_len], path_prefix_);
 | |
|             }
 | |
|             j = strlen(db_path_);
 | |
|           } else {
 | |
|             j = mysql_data_home_len;
 | |
|           }
 | |
|         }
 | |
| 
 | |
|         while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
 | |
|           db_path_[j++] = original_mysql_path_[i++];
 | |
|         }
 | |
|         if (i == len) {
 | |
|           memcpy(db_path_, original_mysql_path_, len);
 | |
|         } else {
 | |
|           db_path_[j] = '\0';
 | |
|         }
 | |
|       } else {
 | |
|         strcpy(db_path_, original_mysql_path_);
 | |
|       }
 | |
|     } else {
 | |
|       strcpy(db_path_, original_mysql_path_);
 | |
|     }
 | |
|     strcat(db_path_, MRN_DB_FILE_SUFFIX);
 | |
|     return db_path_;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * "./${db}/${table}"                              ==> "${db}"
 | |
|    * "./${db}/"                                      ==> "${db}"
 | |
|    * "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0" ==>
 | |
|    *   "/tmp/mysql-test/var/tmp/mysqld.1/#sql27c5_1_0"
 | |
|    */
 | |
|   const char *PathMapper::db_name() {
 | |
|     if (db_name_[0] != '\0') {
 | |
|       return db_name_;
 | |
|     }
 | |
| 
 | |
|     if (original_mysql_path_[0] == FN_CURLIB &&
 | |
|         original_mysql_path_[1] == FN_LIBCHAR) {
 | |
|       int i = 2, j = 0, len;
 | |
|       len = strlen(original_mysql_path_);
 | |
|       while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
 | |
|         db_name_[j++] = original_mysql_path_[i++];
 | |
|       }
 | |
|       db_name_[j] = '\0';
 | |
|     } else if (mysql_data_home_path_) {
 | |
|       int len = strlen(original_mysql_path_);
 | |
|       int mysql_data_home_len = strlen(mysql_data_home_path_);
 | |
|       if (len > mysql_data_home_len &&
 | |
|           !strncmp(original_mysql_path_,
 | |
|                    mysql_data_home_path_,
 | |
|                    mysql_data_home_len)) {
 | |
|         int i = mysql_data_home_len, j = 0;
 | |
|         while (original_mysql_path_[i] != FN_LIBCHAR && i < len) {
 | |
|           db_name_[j++] = original_mysql_path_[i++];
 | |
|         }
 | |
|         if (i == len) {
 | |
|           memcpy(db_name_, original_mysql_path_, len);
 | |
|         } else {
 | |
|           db_name_[j] = '\0';
 | |
|         }
 | |
|       } else {
 | |
|         strcpy(db_name_, original_mysql_path_);
 | |
|       }
 | |
|     } else {
 | |
|       strcpy(db_name_, original_mysql_path_);
 | |
|     }
 | |
|     return db_name_;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * "./${db}/${table}" ==> "${table}" (with encoding first '_')
 | |
|    */
 | |
|   const char *PathMapper::table_name() {
 | |
|     if (table_name_[0] != '\0') {
 | |
|       return table_name_;
 | |
|     }
 | |
| 
 | |
|     int len = strlen(original_mysql_path_);
 | |
|     int i = len, j = 0;
 | |
|     for (; original_mysql_path_[--i] != FN_LIBCHAR ;) {}
 | |
|     if (original_mysql_path_[i + 1] == '_') {
 | |
|       table_name_[j++] = '@';
 | |
|       table_name_[j++] = '0';
 | |
|       table_name_[j++] = '0';
 | |
|       table_name_[j++] = '5';
 | |
|       table_name_[j++] = 'f';
 | |
|       i++;
 | |
|     }
 | |
|     for (; i < len ;) {
 | |
|       table_name_[j++] = original_mysql_path_[++i];
 | |
|     }
 | |
|     table_name_[j] = '\0';
 | |
|     return table_name_;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * "./${db}/${table}" ==> "${table}" (without encoding first '_')
 | |
|    */
 | |
|   const char *PathMapper::mysql_table_name() {
 | |
|     if (mysql_table_name_[0] != '\0') {
 | |
|       return mysql_table_name_;
 | |
|     }
 | |
| 
 | |
|     int len = strlen(original_mysql_path_);
 | |
|     int i = len, j = 0;
 | |
|     for (; original_mysql_path_[--i] != FN_LIBCHAR ;) {}
 | |
|     for (; i < len ;) {
 | |
|       if (len - i - 1 >= 3 &&
 | |
|           strncmp(original_mysql_path_ + i + 1, "#P#", 3) == 0) {
 | |
|         break;
 | |
|       }
 | |
|       mysql_table_name_[j++] = original_mysql_path_[++i];
 | |
|     }
 | |
|     mysql_table_name_[j] = '\0';
 | |
|     return mysql_table_name_;
 | |
|   }
 | |
| 
 | |
|   /**
 | |
|    * "./${db}/${table}"       ==> "./${db}/${table}"
 | |
|    * "./${db}/${table}#P#xxx" ==> "./${db}/${table}"
 | |
|    */
 | |
|   const char *PathMapper::mysql_path() {
 | |
|     if (mysql_path_[0] != '\0') {
 | |
|       return mysql_path_;
 | |
|     }
 | |
| 
 | |
|     int i;
 | |
|     int len = strlen(original_mysql_path_);
 | |
|     for (i = 0; i < len; i++) {
 | |
|       if (len - i >= 3 &&
 | |
|           strncmp(original_mysql_path_ + i, "#P#", 3) == 0) {
 | |
|         break;
 | |
|       }
 | |
|       mysql_path_[i] = original_mysql_path_[i];
 | |
|     }
 | |
|     mysql_path_[i] = '\0';
 | |
|     return mysql_path_;
 | |
|   }
 | |
| 
 | |
|   bool PathMapper::is_internal_table_name() {
 | |
|     return mysql_table_name()[0] == '#';
 | |
|   }
 | |
| }
 | 
