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

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Revision 1.108 - (hide annotations)
Tue Nov 11 00:28:05 2025 UTC (4 months ago) by sysadm
Branch: MAIN
Changes since 1.107: +4 -0 lines
Content type: text/x-csrc
Use config.h

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 1.108 #ifdef HAVE_CONFIG_H
10     #include "config.h"
11     #endif
12    
13 sysadm 1.78 #include "article_favor.h"
14 sysadm 1.73 #include "article_view_log.h"
15     #include "bbs.h"
16     #include "bbs_cmd.h"
17 sysadm 1.32 #include "bbs_main.h"
18 sysadm 1.102 #include "bwf.h"
19 sysadm 1.1 #include "common.h"
20 sysadm 1.35 #include "database.h"
21 sysadm 1.73 #include "editor.h"
22     #include "io.h"
23 sysadm 1.32 #include "log.h"
24 sysadm 1.73 #include "login.h"
25     #include "menu.h"
26 sysadm 1.32 #include "screen.h"
27 sysadm 1.55 #include "section_list.h"
28 sysadm 1.96 #include "section_list_display.h"
29 sysadm 1.103 #include "str_process.h"
30 sysadm 1.55 #include "trie_dict.h"
31 sysadm 1.93 #include "user_list.h"
32 sysadm 1.73 #include "user_priv.h"
33 sysadm 1.104 #include <ctype.h>
34 sysadm 1.74 #include <errno.h>
35     #include <signal.h>
36 sysadm 1.73 #include <stdlib.h>
37     #include <string.h>
38     #include <time.h>
39 sysadm 1.32 #include <unistd.h>
40 sysadm 1.16
41 sysadm 1.31 int bbs_info()
42 sysadm 1.5 {
43 sysadm 1.77 prints("欢迎光临 \033[1;33m%s \033[32m[%s] \033[37m( %s )\033[m\r\n",
44 sysadm 1.72 BBS_name, BBS_server, APP_INFO);
45 sysadm 1.16
46 sysadm 1.43 return iflush();
47     }
48    
49 sysadm 1.65 int bbs_welcome(void)
50 sysadm 1.43 {
51 sysadm 1.94 int u_online = 0;
52     int u_anonymous = 0;
53     int u_total = 0;
54     int u_login_count = 0;
55 sysadm 1.43
56 sysadm 1.94 if (get_user_online_list_count(&u_online, &u_anonymous) < 0)
57 sysadm 1.43 {
58 sysadm 1.94 log_error("get_user_online_list_count() error\n");
59     u_online = 0;
60 sysadm 1.43 }
61 sysadm 1.94 u_online += u_anonymous;
62     u_online++; // current user
63     if (BBS_priv.uid == 0)
64 sysadm 1.43 {
65 sysadm 1.94 u_anonymous++;
66 sysadm 1.43 }
67    
68 sysadm 1.94 if (get_user_list_count(&u_total) < 0)
69 sysadm 1.43 {
70 sysadm 1.94 log_error("get_user_list_count() error\n");
71     u_total = 0;
72 sysadm 1.43 }
73    
74 sysadm 1.95 if (get_user_login_count(&u_login_count) < 0)
75 sysadm 1.43 {
76 sysadm 1.95 log_error("get_user_login_count() error\n");
77     u_login_count = 0;
78 sysadm 1.43 }
79    
80     // Display logo
81 sysadm 1.68 display_file(DATA_WELCOME, 2);
82 sysadm 1.43
83     // Display welcome message
84 sysadm 1.76 prints("\r\033[1;35m欢迎光临\033[33m 【 %s 】 \033[35mBBS\r\n"
85     "\033[32m目前上站人数 [\033[36m%d/%d\033[32m] "
86     "匿名游客[\033[36m%d\033[32m] "
87     "注册用户数[\033[36m%d/%d\033[32m]\r\n"
88 sysadm 1.107 "从 [\033[36m%s\033[32m] 起,累计访问人次: [\033[36m%d\033[32m]\033[m\r\n",
89 sysadm 1.43 BBS_name, u_online, BBS_max_client, u_anonymous, u_total,
90 sysadm 1.93 BBS_max_user_count, BBS_start_dt, u_login_count);
91 sysadm 1.5
92 sysadm 1.64 iflush();
93    
94 sysadm 1.31 return 0;
95 sysadm 1.5 }
96    
97 sysadm 1.65 int bbs_logout(void)
98 sysadm 1.5 {
99 sysadm 1.65 MYSQL *db;
100    
101     db = db_open();
102     if (db == NULL)
103     {
104     return -1;
105     }
106    
107 sysadm 1.80 if (user_online_exp(db) < 0)
108     {
109     return -2;
110     }
111    
112 sysadm 1.43 if (user_online_del(db) < 0)
113     {
114 sysadm 1.80 return -3;
115 sysadm 1.43 }
116    
117 sysadm 1.65 mysql_close(db);
118    
119 sysadm 1.68 display_file(DATA_GOODBYE, 1);
120 sysadm 1.43
121 sysadm 1.91 log_common("User [%s] logout, idle for %ld seconds since last input\n", BBS_username, time(NULL) - BBS_last_access_tm);
122 sysadm 1.7
123 sysadm 1.31 return 0;
124 sysadm 1.7 }
125    
126 sysadm 1.31 int bbs_center()
127 sysadm 1.7 {
128 sysadm 1.39 int ch;
129 sysadm 1.31 time_t t_last_action;
130 sysadm 1.16
131 sysadm 1.70 BBS_last_access_tm = t_last_action = time(NULL);
132 sysadm 1.16
133 sysadm 1.31 clearscr();
134 sysadm 1.12
135 sysadm 1.58 show_top("", BBS_name, "");
136 sysadm 1.31 show_active_board();
137     show_bottom("");
138 sysadm 1.75 display_menu(&bbs_menu);
139 sysadm 1.50 iflush();
140 sysadm 1.16
141 sysadm 1.37 while (!SYS_server_exit)
142 sysadm 1.25 {
143 sysadm 1.44 ch = igetch(100);
144 sysadm 1.16
145 sysadm 1.85 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
146     {
147     BBS_last_access_tm = time(NULL);
148 sysadm 1.101 #ifdef _DEBUG
149     log_error("Debug: BBS_last_access_tm is updated\n");
150     #endif
151 sysadm 1.85 }
152 sysadm 1.82
153 sysadm 1.75 if (bbs_menu.choose_step == 0 && time(NULL) - t_last_action >= 10)
154 sysadm 1.31 {
155 sysadm 1.70 t_last_action = time(NULL);
156 sysadm 1.52
157 sysadm 1.31 show_active_board();
158     show_bottom("");
159 sysadm 1.75 display_menu_cursor(&bbs_menu, 1);
160 sysadm 1.50 iflush();
161 sysadm 1.31 }
162    
163 sysadm 1.71 if (user_online_update("MENU") < 0)
164     {
165     log_error("user_online_update(MENU) error\n");
166     }
167    
168 sysadm 1.31 switch (ch)
169     {
170 sysadm 1.42 case KEY_NULL: // broken pipe
171 sysadm 1.82 log_error("KEY_NULL\n");
172 sysadm 1.42 return 0;
173 sysadm 1.31 case KEY_TIMEOUT:
174 sysadm 1.99 if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
175 sysadm 1.31 {
176 sysadm 1.82 log_error("User input timeout\n");
177 sysadm 1.38 return 0;
178 sysadm 1.31 }
179 sysadm 1.39 continue;
180 sysadm 1.44 case CR:
181 sysadm 1.31 default:
182 sysadm 1.75 switch (menu_control(&bbs_menu, ch))
183 sysadm 1.31 {
184     case EXITBBS:
185 sysadm 1.74 case EXITMENU:
186 sysadm 1.31 return 0;
187     case REDRAW:
188 sysadm 1.70 t_last_action = time(NULL);
189 sysadm 1.39 clearscr();
190 sysadm 1.58 show_top("", BBS_name, "");
191 sysadm 1.39 show_active_board();
192     show_bottom("");
193 sysadm 1.75 display_menu(&bbs_menu);
194 sysadm 1.31 break;
195     case NOREDRAW:
196     case UNKNOWN_CMD:
197     default:
198     break;
199     }
200 sysadm 1.50 iflush();
201 sysadm 1.31 }
202 sysadm 1.16 }
203 sysadm 1.7
204 sysadm 1.31 return 0;
205 sysadm 1.15 }
206 sysadm 1.32
207 sysadm 1.87 int bbs_charset_select()
208     {
209     char msg[LINE_BUFFER_LEN];
210     int ch;
211    
212 sysadm 1.89 snprintf(msg, sizeof(msg),
213 sysadm 1.105 "\rChoose character set in 5 seconds, (U)UTF-8, (G)GBK [U]: ");
214 sysadm 1.89
215 sysadm 1.88 while (!SYS_server_exit)
216     {
217 sysadm 1.105 ch = press_any_key_ex(msg, 5);
218 sysadm 1.103 switch (toupper(ch))
219 sysadm 1.87 {
220 sysadm 1.89 case KEY_NULL:
221     return -1;
222 sysadm 1.88 case KEY_TIMEOUT:
223     case CR:
224     case 'U':
225 sysadm 1.103 break;
226 sysadm 1.88 case 'G':
227 sysadm 1.92 if (io_conv_init("GBK") < 0)
228 sysadm 1.88 {
229 sysadm 1.92 log_error("io_conv_init(%s) error\n", "GBK");
230 sysadm 1.88 return -1;
231     }
232 sysadm 1.103 break;
233     default:
234     continue;
235     }
236    
237     break;
238     }
239    
240     snprintf(msg, sizeof(msg),
241 sysadm 1.106 "\r请在5秒内选择宽字符显示规则, (V)变宽, (F)定宽? [V]: ");
242 sysadm 1.103
243     while (!SYS_server_exit)
244     {
245 sysadm 1.105 ch = press_any_key_ex(msg, 5);
246 sysadm 1.103 switch (toupper(ch))
247     {
248     case KEY_NULL:
249     return -1;
250     case KEY_TIMEOUT:
251     case CR:
252 sysadm 1.106 case 'V':
253 sysadm 1.105 UTF8_fixed_width = 0;
254     break;
255 sysadm 1.103 case 'F':
256     UTF8_fixed_width = 1;
257     break;
258 sysadm 1.88 default:
259     continue;
260 sysadm 1.87 }
261 sysadm 1.103
262     break;
263 sysadm 1.87 }
264    
265     return 0;
266     }
267    
268 sysadm 1.32 int bbs_main()
269     {
270 sysadm 1.74 struct sigaction act = {0};
271 sysadm 1.86 char msg[LINE_BUFFER_LEN];
272 sysadm 1.74
273     // Set signal handler
274     act.sa_handler = SIG_IGN;
275     if (sigaction(SIGHUP, &act, NULL) == -1)
276     {
277     log_error("set signal action of SIGHUP error: %d\n", errno);
278     goto cleanup;
279     }
280     act.sa_handler = SIG_DFL;
281     if (sigaction(SIGCHLD, &act, NULL) == -1)
282     {
283     log_error("set signal action of SIGCHLD error: %d\n", errno);
284     goto cleanup;
285     }
286    
287 sysadm 1.55 // Set data pools in shared memory readonly
288     if (set_trie_dict_shm_readonly() < 0)
289     {
290     goto cleanup;
291     }
292     if (set_article_block_shm_readonly() < 0)
293     {
294     goto cleanup;
295     }
296     if (set_section_list_shm_readonly() < 0)
297     {
298     goto cleanup;
299     }
300 sysadm 1.93 if (set_user_list_pool_shm_readonly() < 0)
301     {
302     goto cleanup;
303     }
304 sysadm 1.55
305     // Load menu in shared memory
306 sysadm 1.75 if (set_menu_shm_readonly(&bbs_menu) < 0)
307 sysadm 1.55 {
308     goto cleanup;
309     }
310 sysadm 1.32
311 sysadm 1.87 // Set default charset
312 sysadm 1.100 if (io_conv_init(BBS_default_charset) < 0)
313 sysadm 1.87 {
314 sysadm 1.100 log_error("io_conv_init(%s) error\n", BBS_default_charset);
315 sysadm 1.87 goto cleanup;
316     }
317    
318 sysadm 1.32 set_input_echo(0);
319    
320 sysadm 1.87 // Set user charset
321     bbs_charset_select();
322    
323 sysadm 1.43 // System info
324     if (bbs_info() < 0)
325     {
326 sysadm 1.55 goto cleanup;
327 sysadm 1.43 }
328    
329 sysadm 1.32 // Welcome
330 sysadm 1.65 if (bbs_welcome() < 0)
331 sysadm 1.43 {
332 sysadm 1.55 goto cleanup;
333 sysadm 1.43 }
334 sysadm 1.32
335 sysadm 1.43 // User login
336 sysadm 1.64 if (SSH_v2)
337     {
338 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);
339 sysadm 1.87 press_any_key_ex(msg, 60);
340 sysadm 1.64 }
341 sysadm 1.65 else if (bbs_login() < 0)
342 sysadm 1.43 {
343 sysadm 1.55 goto cleanup;
344 sysadm 1.43 }
345 sysadm 1.83 log_common("User [%s] login\n", BBS_username);
346 sysadm 1.64
347 sysadm 1.96 // Load section aid locations
348     if (section_aid_locations_load(BBS_priv.uid) < 0)
349     {
350     log_error("article_view_log_load() error\n");
351     goto cleanup;
352     }
353 sysadm 1.97
354 sysadm 1.67 // Load article view log
355     if (article_view_log_load(BBS_priv.uid, &BBS_article_view_log, 0) < 0)
356     {
357     log_error("article_view_log_load() error\n");
358     goto cleanup;
359     }
360 sysadm 1.65
361 sysadm 1.78 // Load article favorite
362     if (article_favor_load(BBS_priv.uid, &BBS_article_favor, 0) < 0)
363     {
364     log_error("article_favor_load() error\n");
365     goto cleanup;
366     }
367    
368 sysadm 1.69 // Init editor memory pool
369     if (editor_memory_pool_init() < 0)
370     {
371     log_error("editor_memory_pool_init() error\n");
372     goto cleanup;
373     }
374    
375 sysadm 1.32 clearscr();
376    
377     // BBS Top 10
378 sysadm 1.68 display_file(VAR_BBS_TOP, 1);
379 sysadm 1.32
380 sysadm 1.55 // Main
381     bbs_center();
382    
383     // Logout
384 sysadm 1.65 bbs_logout();
385 sysadm 1.55
386 sysadm 1.96 // Save section aid locations
387     if (section_aid_locations_save(BBS_priv.uid) < 0)
388     {
389     log_error("article_view_log_save() error\n");
390     }
391    
392 sysadm 1.67 // Save incremental article view log
393     if (article_view_log_save_inc(&BBS_article_view_log) < 0)
394     {
395     log_error("article_view_log_save_inc() error\n");
396     }
397    
398 sysadm 1.78 // Save incremental article favorite
399     if (article_favor_save_inc(&BBS_article_favor) < 0)
400     {
401     log_error("article_favor_save_inc() error\n");
402     }
403    
404 sysadm 1.55 cleanup:
405 sysadm 1.87 // Cleanup iconv
406     io_conv_cleanup();
407    
408 sysadm 1.69 // Cleanup editor memory pool
409     editor_memory_pool_cleanup();
410 sysadm 1.71
411 sysadm 1.67 // Unload article view log
412     article_view_log_unload(&BBS_article_view_log);
413    
414 sysadm 1.78 // Unload article favor
415     article_favor_unload(&BBS_article_favor);
416    
417 sysadm 1.55 // Detach menu in shared memory
418 sysadm 1.75 detach_menu_shm(&bbs_menu);
419 sysadm 1.79 detach_menu_shm(&top10_menu);
420 sysadm 1.46
421 sysadm 1.55 // Detach data pools shm
422 sysadm 1.93 detach_user_list_pool_shm();
423 sysadm 1.55 detach_section_list_shm();
424     detach_article_block_shm();
425     detach_trie_dict_shm();
426 sysadm 1.35
427 sysadm 1.102 // Cleanup BWF
428     bwf_unload();
429    
430 sysadm 1.32 return 0;
431     }

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