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

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Revision 1.76 - (show 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 /* SPDX-License-Identifier: GPL-3.0-or-later */
2 /*
3 * main
4 * - entry of server program
5 *
6 * Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7 */
8
9 #ifdef HAVE_CONFIG_H
10 #include "config.h"
11 #endif
12
13 #include "bbs.h"
14 #include "bwf.h"
15 #include "common.h"
16 #include "file_loader.h"
17 #include "init.h"
18 #include "io.h"
19 #include "log.h"
20 #include "menu.h"
21 #include "net_server.h"
22 #include "section_list_loader.h"
23 #include "user_list.h"
24 #include <errno.h>
25 #include <libgen.h>
26 #include <locale.h>
27 #include <signal.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <unistd.h>
32 #include <sys/stat.h>
33 #include <sys/types.h>
34
35 static void app_help(void)
36 {
37 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 }
45
46 static void arg_error(void)
47 {
48 fprintf(stderr, "Invalid arguments\n");
49 app_help();
50 }
51
52 int main(int argc, char *argv[])
53 {
54 char file_path_temp[FILE_PATH_LEN];
55 int daemon = 1;
56 int std_log_redir = 0;
57 int error_log_redir = 0;
58 FILE *fp;
59 int ret;
60 int last_aid;
61 struct sigaction act = {0};
62
63 // Parse args
64 for (int i = 1; i < argc; i++)
65 {
66 switch (argv[i][0])
67 {
68 case '-':
69 if (argv[i][1] != '-')
70 {
71 for (int j = 1; j < strlen(argv[i]); j++)
72 {
73 switch (argv[i][j])
74 {
75 case 'f':
76 daemon = 0;
77 break;
78 case 'h':
79 app_help();
80 return 0;
81 case 'v':
82 puts(APP_INFO);
83 return 0;
84 default:
85 arg_error();
86 return 1;
87 }
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 return 0;
101 }
102 if (strcmp(argv[i] + 2, "version") == 0)
103 {
104 printf("%s\n", APP_INFO);
105 printf("%s\n", COPYRIGHT_INFO);
106 return 0;
107 }
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 }
119 }
120
121 // Initialize daemon
122 if (daemon)
123 {
124 init_daemon();
125 }
126
127 // Change current dir
128 strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
129 file_path_temp[sizeof(file_path_temp) - 1] = '\0';
130
131 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
142 // 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 // Initialize log
150 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
151 {
152 return -1;
153 }
154
155 if ((!daemon) && std_log_redir)
156 {
157 log_common_redir(STDERR_FILENO);
158 }
159 if ((!daemon) && error_log_redir)
160 {
161 log_error_redir(STDERR_FILENO);
162 }
163
164 log_common("Starting %s\n", APP_INFO);
165
166 // Load configuration
167 if (load_conf(CONF_BBSD) < 0)
168 {
169 return -2;
170 }
171
172 // Load BWF config
173 if (bwf_load(CONF_BWF) < 0)
174 {
175 return -2;
176 }
177
178 // Check article cache dir
179 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
180 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 // 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 // Initialize data pools
195 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 {
203 log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
204 goto cleanup;
205 }
206 fclose(fp);
207 if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
208 {
209 log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
210 goto cleanup;
211 }
212 fclose(fp);
213 if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
214 {
215 log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
216 goto cleanup;
217 }
218 fclose(fp);
219
220 if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
221 {
222 printf("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
223 goto cleanup;
224 }
225 if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
226 {
227 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 goto cleanup;
229 }
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 goto cleanup;
234 }
235
236 // Load BBS cmd
237 if (load_cmd() < 0)
238 {
239 goto cleanup;
240 }
241
242 // Load menus
243 if (load_menu(&bbs_menu, CONF_MENU) < 0)
244 {
245 log_error("load_menu(%s) error\n", CONF_MENU);
246 goto cleanup;
247 }
248 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
255 // Load data files
256 if (file_loader_init() < 0)
257 {
258 log_error("file_loader_init() error\n");
259 goto cleanup;
260 }
261 for (int i = 0; i < data_files_load_startup_count; i++)
262 {
263 if (load_file(data_files_load_startup[i]) < 0)
264 {
265 log_error("load_file(%s) error\n", data_files_load_startup[i]);
266 }
267 }
268
269 // Load user_list and online_user_list
270 if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
271 {
272 log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
273 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 // Load section config and gen_ex
287 if (load_section_config_from_db(1) < 0)
288 {
289 log_error("load_section_config_from_db(0) error\n");
290 goto cleanup;
291 }
292
293 set_last_article_op_log_from_db();
294 last_aid = 0;
295
296 // Load section articles
297 do
298 {
299 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
308 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
309
310 if ((ret = user_stat_update()) < 0)
311 {
312 log_error("user_stat_update() error\n");
313 goto cleanup;
314 }
315
316 // Set signal handler
317 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 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
342 // 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 // Initialize socket server
350 net_server(BBS_address, BBS_port);
351
352 cleanup:
353 // Cleanup loaded data files
354 file_loader_cleanup();
355
356 // Cleanup menu
357 unload_menu(&bbs_menu);
358 unload_menu(&top10_menu);
359
360 // Cleanup data pools
361 section_list_cleanup();
362 article_block_cleanup();
363 trie_dict_cleanup();
364 user_list_pool_cleanup();
365
366 // Cleanup BWF
367 bwf_unload();
368
369 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 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
386 log_common("Main process exit normally\n");
387
388 log_end();
389
390 return 0;
391 }

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