1 // Copyright (c) 2002, 2004, 2007 MySQL AB
2 // Use is subject to license terms.
3 //
4 // This program is free software; you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation; version 2 of the License.
7 //
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU General Public License for more details.
12 //
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA
16
17 //---------------------------------------------------------------------------
18 #include <vcl.h>
19 #pragma hdrstop
20
21 #include "emb_samples.h"
22 #include <winsock2.h>
23 #include <mysql.h>
24 #include <stdarg.h>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <deque.h>
29 bool b_new_line = false;
30 const char *server_groups[] = {
31 "", "embedded", "server", NULL
32 };
33 MYSQL *MySQL;
34 deque<string> fill_rows(MYSQL_RES *res);
35 //---------------------------------------------------------------------------
36 #pragma package(smart_init)
37 #pragma resource "*.dfm"
38 TForm1 *Form1;
39 //---------------------------------------------------------------------------
fill_rows(MYSQL_RES * res)40 deque<string> fill_rows(MYSQL_RES *res)
41 {
42 MYSQL_ROW row;
43 deque<string> rows;
44
45 while ((row=mysql_fetch_row(res)) != 0)
46 {
47 mysql_field_seek(res,0);
48 for (unsigned int i=0 ; i < mysql_num_fields(res); i++)
49 rows.push_back(row[i]);
50 }
51 return rows;
52 }
53 //---------------------------------------------------------------------------
TForm1(TComponent * Owner)54 __fastcall TForm1::TForm1(TComponent* Owner)
55 : TForm(Owner)
56 {
57 }
58 //---------------------------------------------------------------------------
59
Timer1Timer(TObject * Sender)60 void __fastcall TForm1::Timer1Timer(TObject *Sender)
61 {
62 if (is_server_started)
63 {
64 ToggleButton->Caption = "Quit";
65 Timer1->Enabled = false;
66 }
67 }
68 //---------------------------------------------------------------------------
FormCreate(TObject * Sender)69 void __fastcall TForm1::FormCreate(TObject *Sender)
70 {
71 is_server_started = false;
72 computer_ip(); /* get the computer name and IP number */
73 /* init the tree database screen */
74 db_root = DBView->Items->Add(NULL, db_root_caption.UpperCase());
75 db_root->ImageIndex = 0;
76 }
77 //---------------------------------------------------------------------------
78 /* button which handle the init of mysql server or quit the app */
ToggleButtonClick(TObject * Sender)79 void __fastcall TForm1::ToggleButtonClick(TObject *Sender)
80 {
81 if (!is_server_started)
82 {
83 mysql_server_init(NULL, NULL, (char **)server_groups) ;
84 connect_server();
85 get_dbs();
86 }
87 else
88 {
89 mysql_server_end();
90 Close();
91 }
92 }
93 //---------------------------------------------------------------------------
computer_ip(void)94 void __fastcall TForm1::computer_ip(void)
95 {
96 WORD wVersionRequested;
97 WSADATA WSAData;
98 wVersionRequested = MAKEWORD(1,1);
99 WSAStartup(wVersionRequested,&WSAData);
100 hostent *P;
101 char s[128];
102 in_addr in;
103 char *P2;
104
105 gethostname(s, 128);
106 P = gethostbyname(s);
107 db_root_caption = P->h_name;
108 in.S_un.S_un_b.s_b1 = P->h_addr_list[0][0];
109 in.S_un.S_un_b.s_b2 = P->h_addr_list[0][1];
110 in.S_un.S_un_b.s_b3 = P->h_addr_list[0][2];
111 in.S_un.S_un_b.s_b4 = P->h_addr_list[0][3];
112 P2 = inet_ntoa(in);
113 db_root_caption += " ( " + (AnsiString)P2 + " )";
114 }
115 //---------------------------------------------------------------------------
connect_server()116 bool __fastcall TForm1::connect_server()
117 {
118 bool ret_value = false;
119
120 MySQL = mysql_init(MySQL);
121 if (!MySQL)
122 return ret_value;
123 if (mysql_real_connect(MySQL, NULL, NULL, NULL, NULL, 0, NULL, 0))
124 {
125 ret_value = true;
126 is_server_started = true;
127 }
128 MySQL->reconnect= 1;
129 return ret_value;
130 }
131 //---------------------------------------------------------------------------
FormDestroy(TObject * Sender)132 void __fastcall TForm1::FormDestroy(TObject *Sender)
133 {
134 if (is_server_started)
135 mysql_server_end();
136 }
137 //---------------------------------------------------------------------------
138
DBViewClick(TObject * Sender)139 void __fastcall TForm1::DBViewClick(TObject *Sender)
140 {
141 if (DBView->Selected != db_root && DBView->Selected != NULL)
142 {
143 get_tables(DBView->Selected->Text);
144 clean_desc_grid();
145 }
146 }
147 //---------------------------------------------------------------------------
get_tables(String db_name)148 bool __fastcall TForm1::get_tables(String db_name)
149 {
150 MYSQL_RES *res;
151 AnsiString s_cmd;
152
153 TableView->Items->Clear();
154 s_cmd = "use ";
155 s_cmd+= db_name.c_str();
156
157 if (mysql_query(MySQL, s_cmd.c_str()) ||
158 !(res=mysql_list_tables(MySQL,"%")))
159 return false;
160
161 tables_node = TableView->Items->Add(NULL, db_name.c_str());
162 tables_node->ImageIndex = 1;
163 tables_node->SelectedIndex = 1;
164
165 deque<string> rows = fill_rows(res);
166
167 mysql_free_result(res);
168 fill_tree(rows,tables_tree,tables_node,TableView,2);
169
170 return true;
171 }
172 //---------------------------------------------------------------------------
get_dbs(void)173 bool __fastcall TForm1::get_dbs(void)
174 {
175 MYSQL_RES *res;
176
177 if (!is_server_started)
178 return false;
179
180 if (!(res=mysql_list_dbs(MySQL,"%")))
181 return false;
182
183 deque<string> rows = fill_rows(res);
184
185 mysql_free_result(res);
186 fill_tree(rows,MySQLDbs,db_root,DBView,1);
187 info_server->Text = mysql_get_server_info(MySQL);
188
189 return true;
190 }
191 //---------------------------------------------------------------------------
fill_tree(deque<string> rows,TTreeNode * root,TTreeNode * child,TTreeView * View,int image_index)192 void __fastcall TForm1::fill_tree(deque<string> rows,
193 TTreeNode *root,
194 TTreeNode *child,
195 TTreeView *View,
196 int image_index)
197 {
198 deque<string>::iterator r;
199 for(r = rows.begin(); r != rows.end() ; r++)
200 {
201 root = View->Items->AddChild(child, (*r).c_str());
202 root->ImageIndex = image_index;
203 root->SelectedIndex = image_index;
204 }
205 child->Expanded = true;
206 }
207 //---------------------------------------------------------------------------
get_desc_table(String table_name)208 bool __fastcall TForm1::get_desc_table(String table_name)
209 {
210 MYSQL_RES *res, *res1;
211 MYSQL_ROW row;
212 AnsiString use_db, show_cols, show_desc;
213 unsigned int num_fields;
214 int fields_control = 0, grid_row = 1, fields_number;
215 b_new_line= true;
216
217 clean_desc_grid();
218 use_db = "use ";
219 use_db+= DBView->Selected->Text.c_str();
220 show_desc = "desc ";
221 show_cols = "show full columns from ";
222 show_cols+= table_name.c_str();
223 show_desc+= table_name.c_str();
224
225 if (mysql_query(MySQL, use_db.c_str() ))
226 return false;
227
228 if (mysql_query(MySQL, show_cols.c_str() ) ||
229 !(res1=mysql_store_result(MySQL)))
230 {
231 if (mysql_query(MySQL, show_desc.c_str() ) ||
232 !(res1=mysql_store_result(MySQL)))
233 return false ;
234 }
235 mysql_fetch_row(res1);
236 mysql_field_seek(res1,0);
237 fields_number = (mysql_num_fields(res1) - 2);
238 mysql_free_result(res1);
239
240 if (mysql_query(MySQL, show_cols.c_str() ) ||
241 !(res=mysql_store_result(MySQL)))
242 {
243 if (mysql_query(MySQL, show_desc.c_str() ) ||
244 !(res=mysql_store_result(MySQL)))
245 return false ;
246 }
247 titles_grid();
248 while ((row=mysql_fetch_row(res)) != 0)
249 {
250 mysql_field_seek(res,0);
251 for (num_fields=0 ; num_fields < mysql_num_fields(res); num_fields++)
252 {
253 if (fields_control <= fields_number )
254 {
255 desc_table_grid->Cells[fields_control][grid_row] = row[num_fields];
256 fields_control++;
257 }
258 else
259 {
260 desc_table_grid->Cells[(fields_control)][grid_row] = row[num_fields];
261 fields_control = 0;
262 grid_row++ ;
263 desc_table_grid->RowCount++;
264 }
265 }
266 }
267 desc_table_grid->RowCount--;
268 mysql_free_result(res);
269 return true;
270 }
271 //---------------------------------------------------------------------------
TableViewClick(TObject * Sender)272 void __fastcall TForm1::TableViewClick(TObject *Sender)
273 {
274 if (DBView->Selected != db_root && DBView->Selected != NULL)
275 if (DBView->Selected != tables_tree)
276 get_desc_table(TableView->Selected->Text);
277 }
278 //---------------------------------------------------------------------------
clean_desc_grid(void)279 void __fastcall TForm1::clean_desc_grid(void)
280 {
281 desc_table_grid->RowCount= 2;
282 desc_table_grid->Cells[0][1] = "";
283 desc_table_grid->Cells[1][1] = "";
284 desc_table_grid->Cells[2][1] = "";
285 desc_table_grid->Cells[3][1] = "";
286 desc_table_grid->Cells[4][1] = "";
287 desc_table_grid->Cells[5][1] = "";
288 }
289 //---------------------------------------------------------------------------
titles_grid(void)290 void __fastcall TForm1::titles_grid(void)
291 {
292 desc_table_grid->Cells[0][0] = "Field";
293 desc_table_grid->Cells[1][0] = "Type";
294 desc_table_grid->Cells[2][0] = "Null";
295 desc_table_grid->Cells[3][0] = "Key";
296 desc_table_grid->Cells[4][0] = "Default";
297 desc_table_grid->Cells[5][0] = "Extra";
298 desc_table_grid->Cells[6][0] = "Privileges";
299 }
300
301