/[LeafOK_CVS]/lbbs/src/bbs_main.c
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Annotation of /lbbs/src/bbs_main.c

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Revision 1.103 - (hide annotations)
Sat Nov 8 08:21:31 2025 UTC (4 months, 1 week ago) by sysadm
Branch: MAIN
Changes since 1.102: +33 -7 lines
Content type: text/x-csrc
Support dynamic wide-character display width in str_process and editor related functions
Add dynamic / fixed wide-character display width selection

1 sysadm 1.97 /* SPDX-License-Identifier: GPL-3.0-or-later */
2     /*
3     * bbs_main
4     * - entry and major procedures of user interactive access
5     *
6 sysadm 1.98 * Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7 sysadm 1.97 */
8 sysadm 1.1
9 sysadm 1.78 #include "article_favor.h"
10 sysadm 1.73 #include "article_view_log.h"
11     #include "bbs.h"
12     #include "bbs_cmd.h"
13 sysadm 1.32 #include "bbs_main.h"
14 sysadm 1.102 #include "bwf.h"
15 sysadm 1.1 #include "common.h"
16 sysadm 1.35 #include "database.h"
17 sysadm 1.73 #include "editor.h"
18     #include "io.h"
19 sysadm 1.32 #include "log.h"
20 sysadm 1.73 #include "login.h"
21     #include "menu.h"
22 sysadm 1.32 #include "screen.h"
23 sysadm 1.55 #include "section_list.h"
24 sysadm 1.96 #include "section_list_display.h"
25 sysadm 1.103 #include "str_process.h"
26 sysadm 1.55 #include "trie_dict.h"
27 sysadm 1.93 #include "user_list.h"
28 sysadm 1.73 #include "user_priv.h"
29 sysadm 1.74 #include <errno.h>
30     #include <signal.h>
31 sysadm 1.73 #include <stdlib.h>
32     #include <string.h>
33     #include <time.h>
34 sysadm 1.32 #include <unistd.h>
35 sysadm 1.16
36 sysadm 1.31 int bbs_info()
37 sysadm 1.5 {
38 sysadm 1.77 prints("欢迎光临 \033[1;33m%s \033[32m[%s] \033[37m( %s )\033[m\r\n",
39 sysadm 1.72 BBS_name, BBS_server, APP_INFO);
40 sysadm 1.16
41 sysadm 1.43 return iflush();
42     }
43    
44 sysadm 1.65 int bbs_welcome(void)
45 sysadm 1.43 {
46 sysadm 1.94 int u_online = 0;
47     int u_anonymous = 0;
48     int u_total = 0;
49     int u_login_count = 0;
50 sysadm 1.43
51 sysadm 1.94 if (get_user_online_list_count(&u_online, &u_anonymous) < 0)
52 sysadm 1.43 {
53 sysadm 1.94 log_error("get_user_online_list_count() error\n");
54     u_online = 0;
55 sysadm 1.43 }
56 sysadm 1.94 u_online += u_anonymous;
57     u_online++; // current user
58     if (BBS_priv.uid == 0)
59 sysadm 1.43 {
60 sysadm 1.94 u_anonymous++;
61 sysadm 1.43 }
62    
63 sysadm 1.94 if (get_user_list_count(&u_total) < 0)
64 sysadm 1.43 {
65 sysadm 1.94 log_error("get_user_list_count() error\n");
66     u_total = 0;
67 sysadm 1.43 }
68    
69 sysadm 1.95 if (get_user_login_count(&u_login_count) < 0)
70 sysadm 1.43 {
71 sysadm 1.95 log_error("get_user_login_count() error\n");
72     u_login_count = 0;
73 sysadm 1.43 }
74    
75     // Display logo
76 sysadm 1.68 display_file(DATA_WELCOME, 2);
77 sysadm 1.43
78     // Display welcome message
79 sysadm 1.76 prints("\r\033[1;35m欢迎光临\033[33m 【 %s 】 \033[35mBBS\r\n"
80     "\033[32m目前上站人数 [\033[36m%d/%d\033[32m] "
81     "匿名游客[\033[36m%d\033[32m] "
82     "注册用户数[\033[36m%d/%d\033[32m]\r\n"
83     "从 [\033[36m%s\033[32m] 起,累计访问人次:[\033[36m%d\033[32m]\033[m\r\n",
84 sysadm 1.43 BBS_name, u_online, BBS_max_client, u_anonymous, u_total,
85 sysadm 1.93 BBS_max_user_count, BBS_start_dt, u_login_count);
86 sysadm 1.5
87 sysadm 1.64 iflush();
88    
89 sysadm 1.31 return 0;
90 sysadm 1.5 }
91    
92 sysadm 1.65 int bbs_logout(void)
93 sysadm 1.5 {
94 sysadm 1.65 MYSQL *db;
95    
96     db = db_open();
97     if (db == NULL)
98     {
99     return -1;
100     }
101    
102 sysadm 1.80 if (user_online_exp(db) < 0)
103     {
104     return -2;
105     }
106    
107 sysadm 1.43 if (user_online_del(db) < 0)
108     {
109 sysadm 1.80 return -3;
110 sysadm 1.43 }
111    
112 sysadm 1.65 mysql_close(db);
113    
114 sysadm 1.68 display_file(DATA_GOODBYE, 1);
115 sysadm 1.43
116 sysadm 1.91 log_common("User [%s] logout, idle for %ld seconds since last input\n", BBS_username, time(NULL) - BBS_last_access_tm);
117 sysadm 1.7
118 sysadm 1.31 return 0;
119 sysadm 1.7 }
120    
121 sysadm 1.31 int bbs_center()
122 sysadm 1.7 {
123 sysadm 1.39 int ch;
124 sysadm 1.31 time_t t_last_action;
125 sysadm 1.16
126 sysadm 1.70 BBS_last_access_tm = t_last_action = time(NULL);
127 sysadm 1.16
128 sysadm 1.31 clearscr();
129 sysadm 1.12
130 sysadm 1.58 show_top("", BBS_name, "");
131 sysadm 1.31 show_active_board();
132     show_bottom("");
133 sysadm 1.75 display_menu(&bbs_menu);
134 sysadm 1.50 iflush();
135 sysadm 1.16
136 sysadm 1.37 while (!SYS_server_exit)
137 sysadm 1.25 {
138 sysadm 1.44 ch = igetch(100);
139 sysadm 1.16
140 sysadm 1.85 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
141     {
142     BBS_last_access_tm = time(NULL);
143 sysadm 1.101 #ifdef _DEBUG
144     log_error("Debug: BBS_last_access_tm is updated\n");
145     #endif
146 sysadm 1.85 }
147 sysadm 1.82
148 sysadm 1.75 if (bbs_menu.choose_step == 0 && time(NULL) - t_last_action >= 10)
149 sysadm 1.31 {
150 sysadm 1.70 t_last_action = time(NULL);
151 sysadm 1.52
152 sysadm 1.31 show_active_board();
153     show_bottom("");
154 sysadm 1.75 display_menu_cursor(&bbs_menu, 1);
155 sysadm 1.50 iflush();
156 sysadm 1.31 }
157    
158 sysadm 1.71 if (user_online_update("MENU") < 0)
159     {
160     log_error("user_online_update(MENU) error\n");
161     }
162    
163 sysadm 1.31 switch (ch)
164     {
165 sysadm 1.42 case KEY_NULL: // broken pipe
166 sysadm 1.82 log_error("KEY_NULL\n");
167 sysadm 1.42 return 0;
168 sysadm 1.31 case KEY_TIMEOUT:
169 sysadm 1.99 if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
170 sysadm 1.31 {
171 sysadm 1.82 log_error("User input timeout\n");
172 sysadm 1.38 return 0;
173 sysadm 1.31 }
174 sysadm 1.39 continue;
175 sysadm 1.44 case CR:
176 sysadm 1.31 default:
177 sysadm 1.75 switch (menu_control(&bbs_menu, ch))
178 sysadm 1.31 {
179     case EXITBBS:
180 sysadm 1.74 case EXITMENU:
181 sysadm 1.31 return 0;
182     case REDRAW:
183 sysadm 1.70 t_last_action = time(NULL);
184 sysadm 1.39 clearscr();
185 sysadm 1.58 show_top("", BBS_name, "");
186 sysadm 1.39 show_active_board();
187     show_bottom("");
188 sysadm 1.75 display_menu(&bbs_menu);
189 sysadm 1.31 break;
190     case NOREDRAW:
191     case UNKNOWN_CMD:
192     default:
193     break;
194     }
195 sysadm 1.50 iflush();
196 sysadm 1.31 }
197 sysadm 1.16 }
198 sysadm 1.7
199 sysadm 1.31 return 0;
200 sysadm 1.15 }
201 sysadm 1.32
202 sysadm 1.87 int bbs_charset_select()
203     {
204     char msg[LINE_BUFFER_LEN];
205     int ch;
206    
207 sysadm 1.89 snprintf(msg, sizeof(msg),
208 sysadm 1.103 "\rChoose character set in 3 seconds [UTF-8, GBK]: [U/g]");
209 sysadm 1.89
210 sysadm 1.88 while (!SYS_server_exit)
211     {
212 sysadm 1.103 ch = press_any_key_ex(msg, 3);
213     switch (toupper(ch))
214 sysadm 1.87 {
215 sysadm 1.89 case KEY_NULL:
216     return -1;
217 sysadm 1.88 case KEY_TIMEOUT:
218     case CR:
219     case 'U':
220 sysadm 1.103 break;
221 sysadm 1.88 case 'G':
222 sysadm 1.92 if (io_conv_init("GBK") < 0)
223 sysadm 1.88 {
224 sysadm 1.92 log_error("io_conv_init(%s) error\n", "GBK");
225 sysadm 1.88 return -1;
226     }
227 sysadm 1.103 break;
228     default:
229     continue;
230     }
231    
232     break;
233     }
234    
235     snprintf(msg, sizeof(msg),
236     "\rChoose wide-character display in 3 seconds [Fixed, Dynamic]: [F/d]");
237    
238     while (!SYS_server_exit)
239     {
240     ch = press_any_key_ex(msg, 3);
241     switch (toupper(ch))
242     {
243     case KEY_NULL:
244     return -1;
245     case KEY_TIMEOUT:
246     case CR:
247     case 'F':
248     UTF8_fixed_width = 1;
249     break;
250     case 'D':
251     UTF8_fixed_width = 0;
252     break;
253 sysadm 1.88 default:
254     continue;
255 sysadm 1.87 }
256 sysadm 1.103
257     break;
258 sysadm 1.87 }
259    
260     return 0;
261     }
262    
263 sysadm 1.32 int bbs_main()
264     {
265 sysadm 1.74 struct sigaction act = {0};
266 sysadm 1.86 char msg[LINE_BUFFER_LEN];
267 sysadm 1.74
268     // Set signal handler
269     act.sa_handler = SIG_IGN;
270     if (sigaction(SIGHUP, &act, NULL) == -1)
271     {
272     log_error("set signal action of SIGHUP error: %d\n", errno);
273     goto cleanup;
274     }
275     act.sa_handler = SIG_DFL;
276     if (sigaction(SIGCHLD, &act, NULL) == -1)
277     {
278     log_error("set signal action of SIGCHLD error: %d\n", errno);
279     goto cleanup;
280     }
281    
282 sysadm 1.55 // Set data pools in shared memory readonly
283     if (set_trie_dict_shm_readonly() < 0)
284     {
285     goto cleanup;
286     }
287     if (set_article_block_shm_readonly() < 0)
288     {
289     goto cleanup;
290     }
291     if (set_section_list_shm_readonly() < 0)
292     {
293     goto cleanup;
294     }
295 sysadm 1.93 if (set_user_list_pool_shm_readonly() < 0)
296     {
297     goto cleanup;
298     }
299 sysadm 1.55
300     // Load menu in shared memory
301 sysadm 1.75 if (set_menu_shm_readonly(&bbs_menu) < 0)
302 sysadm 1.55 {
303     goto cleanup;
304     }
305 sysadm 1.32
306 sysadm 1.87 // Set default charset
307 sysadm 1.100 if (io_conv_init(BBS_default_charset) < 0)
308 sysadm 1.87 {
309 sysadm 1.100 log_error("io_conv_init(%s) error\n", BBS_default_charset);
310 sysadm 1.87 goto cleanup;
311     }
312    
313 sysadm 1.32 set_input_echo(0);
314    
315 sysadm 1.87 // Set user charset
316     bbs_charset_select();
317    
318 sysadm 1.43 // System info
319     if (bbs_info() < 0)
320     {
321 sysadm 1.55 goto cleanup;
322 sysadm 1.43 }
323    
324 sysadm 1.32 // Welcome
325 sysadm 1.65 if (bbs_welcome() < 0)
326 sysadm 1.43 {
327 sysadm 1.55 goto cleanup;
328 sysadm 1.43 }
329 sysadm 1.32
330 sysadm 1.43 // User login
331 sysadm 1.64 if (SSH_v2)
332     {
333 sysadm 1.86 snprintf(msg, sizeof(msg), "\033[1m%s 欢迎使用ssh方式访问 \033[1;33m按任意键继续...\033[m", BBS_username);
334 sysadm 1.87 press_any_key_ex(msg, 60);
335 sysadm 1.64 }
336 sysadm 1.65 else if (bbs_login() < 0)
337 sysadm 1.43 {
338 sysadm 1.55 goto cleanup;
339 sysadm 1.43 }
340 sysadm 1.83 log_common("User [%s] login\n", BBS_username);
341 sysadm 1.64
342 sysadm 1.96 // Load section aid locations
343     if (section_aid_locations_load(BBS_priv.uid) < 0)
344     {
345     log_error("article_view_log_load() error\n");
346     goto cleanup;
347     }
348 sysadm 1.97
349 sysadm 1.67 // Load article view log
350     if (article_view_log_load(BBS_priv.uid, &BBS_article_view_log, 0) < 0)
351     {
352     log_error("article_view_log_load() error\n");
353     goto cleanup;
354     }
355 sysadm 1.65
356 sysadm 1.78 // Load article favorite
357     if (article_favor_load(BBS_priv.uid, &BBS_article_favor, 0) < 0)
358     {
359     log_error("article_favor_load() error\n");
360     goto cleanup;
361     }
362    
363 sysadm 1.69 // Init editor memory pool
364     if (editor_memory_pool_init() < 0)
365     {
366     log_error("editor_memory_pool_init() error\n");
367     goto cleanup;
368     }
369    
370 sysadm 1.32 clearscr();
371    
372     // BBS Top 10
373 sysadm 1.68 display_file(VAR_BBS_TOP, 1);
374 sysadm 1.32
375 sysadm 1.55 // Main
376     bbs_center();
377    
378     // Logout
379 sysadm 1.65 bbs_logout();
380 sysadm 1.55
381 sysadm 1.96 // Save section aid locations
382     if (section_aid_locations_save(BBS_priv.uid) < 0)
383     {
384     log_error("article_view_log_save() error\n");
385     }
386    
387 sysadm 1.67 // Save incremental article view log
388     if (article_view_log_save_inc(&BBS_article_view_log) < 0)
389     {
390     log_error("article_view_log_save_inc() error\n");
391     }
392    
393 sysadm 1.78 // Save incremental article favorite
394     if (article_favor_save_inc(&BBS_article_favor) < 0)
395     {
396     log_error("article_favor_save_inc() error\n");
397     }
398    
399 sysadm 1.55 cleanup:
400 sysadm 1.87 // Cleanup iconv
401     io_conv_cleanup();
402    
403 sysadm 1.69 // Cleanup editor memory pool
404     editor_memory_pool_cleanup();
405 sysadm 1.71
406 sysadm 1.67 // Unload article view log
407     article_view_log_unload(&BBS_article_view_log);
408    
409 sysadm 1.78 // Unload article favor
410     article_favor_unload(&BBS_article_favor);
411    
412 sysadm 1.55 // Detach menu in shared memory
413 sysadm 1.75 detach_menu_shm(&bbs_menu);
414 sysadm 1.79 detach_menu_shm(&top10_menu);
415 sysadm 1.46
416 sysadm 1.55 // Detach data pools shm
417 sysadm 1.93 detach_user_list_pool_shm();
418 sysadm 1.55 detach_section_list_shm();
419     detach_article_block_shm();
420     detach_trie_dict_shm();
421 sysadm 1.35
422 sysadm 1.102 // Cleanup BWF
423     bwf_unload();
424    
425 sysadm 1.32 return 0;
426     }

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