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

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Revision 1.76 - (hide annotations)
Mon Nov 17 04:23:09 2025 UTC (3 months, 4 weeks ago) by sysadm
Branch: MAIN
Changes since 1.75: +2 -1 lines
Content type: text/x-csrc
Show copyright info while running the program with --version

1 sysadm 1.69 /* SPDX-License-Identifier: GPL-3.0-or-later */
2     /*
3     * main
4     * - entry of server program
5     *
6 sysadm 1.70 * Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7 sysadm 1.69 */
8 sysadm 1.1
9 sysadm 1.74 #ifdef HAVE_CONFIG_H
10     #include "config.h"
11     #endif
12    
13 sysadm 1.4 #include "bbs.h"
14 sysadm 1.72 #include "bwf.h"
15 sysadm 1.55 #include "common.h"
16     #include "file_loader.h"
17 sysadm 1.20 #include "init.h"
18 sysadm 1.55 #include "io.h"
19 sysadm 1.20 #include "log.h"
20 sysadm 1.9 #include "menu.h"
21 sysadm 1.55 #include "net_server.h"
22 sysadm 1.42 #include "section_list_loader.h"
23 sysadm 1.63 #include "user_list.h"
24 sysadm 1.48 #include <errno.h>
25 sysadm 1.55 #include <libgen.h>
26 sysadm 1.73 #include <locale.h>
27 sysadm 1.55 #include <signal.h>
28 sysadm 1.56 #include <stdio.h>
29 sysadm 1.20 #include <stdlib.h>
30 sysadm 1.7 #include <string.h>
31 sysadm 1.20 #include <unistd.h>
32 sysadm 1.55 #include <sys/stat.h>
33 sysadm 1.15 #include <sys/types.h>
34 sysadm 1.1
35 sysadm 1.56 static void app_help(void)
36 sysadm 1.6 {
37 sysadm 1.56 fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
38     "-f\t--foreground\t\tForce program run in foreground\n"
39     "-h\t--help\t\t\tDisplay this help message\n"
40     "-v\t--version\t\tDisplay version information\n"
41     "\t--display-log\t\tDisplay standard log information\n"
42     "\t--display-error-log\tDisplay error log information\n"
43     "\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
44 sysadm 1.6 }
45    
46 sysadm 1.56 static void arg_error(void)
47 sysadm 1.6 {
48 sysadm 1.56 fprintf(stderr, "Invalid arguments\n");
49 sysadm 1.18 app_help();
50 sysadm 1.6 }
51    
52 sysadm 1.18 int main(int argc, char *argv[])
53 sysadm 1.1 {
54 sysadm 1.21 char file_path_temp[FILE_PATH_LEN];
55     int daemon = 1;
56     int std_log_redir = 0;
57     int error_log_redir = 0;
58 sysadm 1.42 FILE *fp;
59 sysadm 1.47 int ret;
60     int last_aid;
61 sysadm 1.52 struct sigaction act = {0};
62 sysadm 1.18
63     // Parse args
64 sysadm 1.21 for (int i = 1; i < argc; i++)
65 sysadm 1.12 {
66 sysadm 1.18 switch (argv[i][0])
67 sysadm 1.12 {
68 sysadm 1.18 case '-':
69     if (argv[i][1] != '-')
70     {
71 sysadm 1.21 for (int j = 1; j < strlen(argv[i]); j++)
72 sysadm 1.18 {
73     switch (argv[i][j])
74     {
75     case 'f':
76     daemon = 0;
77     break;
78     case 'h':
79     app_help();
80 sysadm 1.30 return 0;
81 sysadm 1.18 case 'v':
82 sysadm 1.54 puts(APP_INFO);
83 sysadm 1.30 return 0;
84 sysadm 1.18 default:
85     arg_error();
86 sysadm 1.30 return 1;
87 sysadm 1.18 }
88     }
89     }
90     else
91     {
92     if (strcmp(argv[i] + 2, "foreground") == 0)
93     {
94     daemon = 0;
95     break;
96     }
97     if (strcmp(argv[i] + 2, "help") == 0)
98     {
99     app_help();
100 sysadm 1.30 return 0;
101 sysadm 1.18 }
102     if (strcmp(argv[i] + 2, "version") == 0)
103     {
104 sysadm 1.76 printf("%s\n", APP_INFO);
105     printf("%s\n", COPYRIGHT_INFO);
106 sysadm 1.30 return 0;
107 sysadm 1.18 }
108     if (strcmp(argv[i] + 2, "display-log") == 0)
109     {
110     std_log_redir = 1;
111     }
112     if (strcmp(argv[i] + 2, "display-error-log") == 0)
113     {
114     error_log_redir = 1;
115     }
116     }
117     break;
118 sysadm 1.12 }
119     }
120    
121 sysadm 1.18 // Initialize daemon
122     if (daemon)
123 sysadm 1.20 {
124 sysadm 1.31 init_daemon();
125 sysadm 1.20 }
126 sysadm 1.18
127     // Change current dir
128 sysadm 1.21 strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
129 sysadm 1.22 file_path_temp[sizeof(file_path_temp) - 1] = '\0';
130    
131 sysadm 1.61 if (chdir(dirname(file_path_temp)) < 0)
132     {
133     fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
134     return -1;
135     }
136     if (chdir("..") < 0)
137     {
138     fprintf(stderr, "chdir(..) error: %d\n", errno);
139     return -1;
140     }
141 sysadm 1.18
142 sysadm 1.73 // Apply the specified locale
143     if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
144     {
145     fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
146     return -1;
147     }
148    
149 sysadm 1.18 // Initialize log
150 sysadm 1.21 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
151     {
152 sysadm 1.30 return -1;
153 sysadm 1.21 }
154 sysadm 1.18
155     if ((!daemon) && std_log_redir)
156 sysadm 1.21 {
157 sysadm 1.50 log_common_redir(STDERR_FILENO);
158 sysadm 1.21 }
159 sysadm 1.18 if ((!daemon) && error_log_redir)
160 sysadm 1.21 {
161 sysadm 1.50 log_error_redir(STDERR_FILENO);
162 sysadm 1.21 }
163 sysadm 1.18
164 sysadm 1.54 log_common("Starting %s\n", APP_INFO);
165 sysadm 1.51
166 sysadm 1.18 // Load configuration
167 sysadm 1.26 if (load_conf(CONF_BBSD) < 0)
168     {
169 sysadm 1.30 return -2;
170 sysadm 1.26 }
171 sysadm 1.18
172 sysadm 1.72 // Load BWF config
173     if (bwf_load(CONF_BWF) < 0)
174     {
175     return -2;
176     }
177    
178 sysadm 1.48 // Check article cache dir
179 sysadm 1.49 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
180 sysadm 1.48 if (ret == -1 && errno != EEXIST)
181     {
182     log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
183     goto cleanup;
184     }
185    
186 sysadm 1.68 // Check section aid location dir
187     ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
188     if (ret == -1 && errno != EEXIST)
189     {
190     log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
191     goto cleanup;
192     }
193    
194 sysadm 1.42 // Initialize data pools
195 sysadm 1.63 if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
196     {
197     log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
198     goto cleanup;
199     }
200     fclose(fp);
201     if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
202 sysadm 1.42 {
203 sysadm 1.63 log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
204 sysadm 1.43 goto cleanup;
205 sysadm 1.42 }
206     fclose(fp);
207 sysadm 1.63 if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
208 sysadm 1.42 {
209 sysadm 1.63 log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
210 sysadm 1.43 goto cleanup;
211 sysadm 1.42 }
212     fclose(fp);
213 sysadm 1.63 if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
214 sysadm 1.42 {
215 sysadm 1.63 log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
216 sysadm 1.43 goto cleanup;
217 sysadm 1.42 }
218     fclose(fp);
219    
220     if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
221 sysadm 1.39 {
222 sysadm 1.66 printf("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
223 sysadm 1.43 goto cleanup;
224 sysadm 1.39 }
225 sysadm 1.71 if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
226 sysadm 1.42 {
227 sysadm 1.71 log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block);
228 sysadm 1.43 goto cleanup;
229 sysadm 1.42 }
230     if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
231     {
232     log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
233 sysadm 1.43 goto cleanup;
234 sysadm 1.42 }
235 sysadm 1.39
236 sysadm 1.36 // Load BBS cmd
237     if (load_cmd() < 0)
238     {
239 sysadm 1.43 goto cleanup;
240 sysadm 1.36 }
241    
242 sysadm 1.18 // Load menus
243 sysadm 1.59 if (load_menu(&bbs_menu, CONF_MENU) < 0)
244 sysadm 1.32 {
245 sysadm 1.62 log_error("load_menu(%s) error\n", CONF_MENU);
246 sysadm 1.43 goto cleanup;
247 sysadm 1.26 }
248 sysadm 1.62 if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
249     {
250     log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
251     goto cleanup;
252     }
253     top10_menu.allow_exit = 1;
254 sysadm 1.18
255 sysadm 1.34 // Load data files
256 sysadm 1.35 if (file_loader_init() < 0)
257 sysadm 1.34 {
258     log_error("file_loader_init() error\n");
259 sysadm 1.43 goto cleanup;
260 sysadm 1.34 }
261     for (int i = 0; i < data_files_load_startup_count; i++)
262     {
263 sysadm 1.39 if (load_file(data_files_load_startup[i]) < 0)
264 sysadm 1.34 {
265 sysadm 1.67 log_error("load_file(%s) error\n", data_files_load_startup[i]);
266 sysadm 1.34 }
267     }
268    
269 sysadm 1.64 // Load user_list and online_user_list
270 sysadm 1.66 if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
271 sysadm 1.64 {
272 sysadm 1.66 log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
273 sysadm 1.64 goto cleanup;
274     }
275     if (user_list_pool_reload(0) < 0)
276     {
277     log_error("user_list_pool_reload(all_user) error\n");
278     goto cleanup;
279     }
280     if (user_list_pool_reload(1) < 0)
281     {
282     log_error("user_list_pool_reload(online_user) error\n");
283     goto cleanup;
284     }
285    
286 sysadm 1.60 // Load section config and gen_ex
287     if (load_section_config_from_db(1) < 0)
288 sysadm 1.42 {
289 sysadm 1.60 log_error("load_section_config_from_db(0) error\n");
290 sysadm 1.43 goto cleanup;
291 sysadm 1.42 }
292    
293 sysadm 1.46 set_last_article_op_log_from_db();
294 sysadm 1.47 last_aid = 0;
295    
296 sysadm 1.45 // Load section articles
297 sysadm 1.47 do
298 sysadm 1.43 {
299 sysadm 1.47 if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
300     {
301     log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
302     goto cleanup;
303     }
304    
305     last_aid = article_block_last_aid();
306     } while (ret == LOAD_ARTICLE_COUNT_LIMIT);
307 sysadm 1.43
308 sysadm 1.50 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
309 sysadm 1.43
310 sysadm 1.65 if ((ret = user_stat_update()) < 0)
311     {
312     log_error("user_stat_update() error\n");
313     goto cleanup;
314     }
315    
316 sysadm 1.18 // Set signal handler
317 sysadm 1.52 act.sa_handler = sig_hup_handler;
318     if (sigaction(SIGHUP, &act, NULL) == -1)
319     {
320     log_error("set signal action of SIGHUP error: %d\n", errno);
321     goto cleanup;
322     }
323     act.sa_handler = sig_chld_handler;
324     if (sigaction(SIGCHLD, &act, NULL) == -1)
325     {
326     log_error("set signal action of SIGCHLD error: %d\n", errno);
327     goto cleanup;
328     }
329     act.sa_handler = sig_term_handler;
330     if (sigaction(SIGTERM, &act, NULL) == -1)
331     {
332     log_error("set signal action of SIGTERM error: %d\n", errno);
333     goto cleanup;
334     }
335 sysadm 1.75 act.sa_handler = SIG_IGN;
336     if (sigaction(SIGUSR1, &act, NULL) == -1)
337     {
338     log_error("set signal action of SIGUSR1 error: %d\n", errno);
339     goto cleanup;
340     }
341 sysadm 1.18
342 sysadm 1.45 // Launch section_list_loader process
343     if (section_list_loader_launch() < 0)
344     {
345     log_error("section_list_loader_launch() error\n");
346     goto cleanup;
347     }
348    
349 sysadm 1.18 // Initialize socket server
350 sysadm 1.33 net_server(BBS_address, BBS_port);
351 sysadm 1.18
352 sysadm 1.43 cleanup:
353 sysadm 1.34 // Cleanup loaded data files
354     file_loader_cleanup();
355 sysadm 1.42
356 sysadm 1.32 // Cleanup menu
357 sysadm 1.59 unload_menu(&bbs_menu);
358 sysadm 1.62 unload_menu(&top10_menu);
359 sysadm 1.15
360 sysadm 1.42 // Cleanup data pools
361     section_list_cleanup();
362     article_block_cleanup();
363 sysadm 1.39 trie_dict_cleanup();
364 sysadm 1.63 user_list_pool_cleanup();
365 sysadm 1.39
366 sysadm 1.72 // Cleanup BWF
367     bwf_unload();
368    
369 sysadm 1.42 if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
370     {
371     log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
372     }
373     if (unlink(VAR_SECTION_LIST_SHM) < 0)
374     {
375     log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
376     }
377 sysadm 1.63 if (unlink(VAR_TRIE_DICT_SHM) < 0)
378     {
379     log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
380     }
381     if (unlink(VAR_USER_LIST_SHM) < 0)
382     {
383     log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
384     }
385 sysadm 1.42
386 sysadm 1.50 log_common("Main process exit normally\n");
387 sysadm 1.42
388 sysadm 1.57 log_end();
389    
390 sysadm 1.30 return 0;
391 sysadm 1.1 }

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