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

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Revision 1.75 - (show annotations)
Sun Nov 16 02:06:56 2025 UTC (4 months ago) by sysadm
Branch: MAIN
Changes since 1.74: +6 -0 lines
Content type: text/x-csrc
log_restart on SIGHUP

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 puts(APP_INFO);
105 return 0;
106 }
107 if (strcmp(argv[i] + 2, "display-log") == 0)
108 {
109 std_log_redir = 1;
110 }
111 if (strcmp(argv[i] + 2, "display-error-log") == 0)
112 {
113 error_log_redir = 1;
114 }
115 }
116 break;
117 }
118 }
119
120 // Initialize daemon
121 if (daemon)
122 {
123 init_daemon();
124 }
125
126 // Change current dir
127 strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
128 file_path_temp[sizeof(file_path_temp) - 1] = '\0';
129
130 if (chdir(dirname(file_path_temp)) < 0)
131 {
132 fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
133 return -1;
134 }
135 if (chdir("..") < 0)
136 {
137 fprintf(stderr, "chdir(..) error: %d\n", errno);
138 return -1;
139 }
140
141 // Apply the specified locale
142 if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
143 {
144 fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
145 return -1;
146 }
147
148 // Initialize log
149 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
150 {
151 return -1;
152 }
153
154 if ((!daemon) && std_log_redir)
155 {
156 log_common_redir(STDERR_FILENO);
157 }
158 if ((!daemon) && error_log_redir)
159 {
160 log_error_redir(STDERR_FILENO);
161 }
162
163 log_common("Starting %s\n", APP_INFO);
164
165 // Load configuration
166 if (load_conf(CONF_BBSD) < 0)
167 {
168 return -2;
169 }
170
171 // Load BWF config
172 if (bwf_load(CONF_BWF) < 0)
173 {
174 return -2;
175 }
176
177 // Check article cache dir
178 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
179 if (ret == -1 && errno != EEXIST)
180 {
181 log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
182 goto cleanup;
183 }
184
185 // Check section aid location dir
186 ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
187 if (ret == -1 && errno != EEXIST)
188 {
189 log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
190 goto cleanup;
191 }
192
193 // Initialize data pools
194 if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
195 {
196 log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
197 goto cleanup;
198 }
199 fclose(fp);
200 if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
201 {
202 log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
203 goto cleanup;
204 }
205 fclose(fp);
206 if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
207 {
208 log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
209 goto cleanup;
210 }
211 fclose(fp);
212 if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
213 {
214 log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
215 goto cleanup;
216 }
217 fclose(fp);
218
219 if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
220 {
221 printf("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
222 goto cleanup;
223 }
224 if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
225 {
226 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);
227 goto cleanup;
228 }
229 if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
230 {
231 log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
232 goto cleanup;
233 }
234
235 // Load BBS cmd
236 if (load_cmd() < 0)
237 {
238 goto cleanup;
239 }
240
241 // Load menus
242 if (load_menu(&bbs_menu, CONF_MENU) < 0)
243 {
244 log_error("load_menu(%s) error\n", CONF_MENU);
245 goto cleanup;
246 }
247 if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
248 {
249 log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
250 goto cleanup;
251 }
252 top10_menu.allow_exit = 1;
253
254 // Load data files
255 if (file_loader_init() < 0)
256 {
257 log_error("file_loader_init() error\n");
258 goto cleanup;
259 }
260 for (int i = 0; i < data_files_load_startup_count; i++)
261 {
262 if (load_file(data_files_load_startup[i]) < 0)
263 {
264 log_error("load_file(%s) error\n", data_files_load_startup[i]);
265 }
266 }
267
268 // Load user_list and online_user_list
269 if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
270 {
271 log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
272 goto cleanup;
273 }
274 if (user_list_pool_reload(0) < 0)
275 {
276 log_error("user_list_pool_reload(all_user) error\n");
277 goto cleanup;
278 }
279 if (user_list_pool_reload(1) < 0)
280 {
281 log_error("user_list_pool_reload(online_user) error\n");
282 goto cleanup;
283 }
284
285 // Load section config and gen_ex
286 if (load_section_config_from_db(1) < 0)
287 {
288 log_error("load_section_config_from_db(0) error\n");
289 goto cleanup;
290 }
291
292 set_last_article_op_log_from_db();
293 last_aid = 0;
294
295 // Load section articles
296 do
297 {
298 if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
299 {
300 log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
301 goto cleanup;
302 }
303
304 last_aid = article_block_last_aid();
305 } while (ret == LOAD_ARTICLE_COUNT_LIMIT);
306
307 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
308
309 if ((ret = user_stat_update()) < 0)
310 {
311 log_error("user_stat_update() error\n");
312 goto cleanup;
313 }
314
315 // Set signal handler
316 act.sa_handler = sig_hup_handler;
317 if (sigaction(SIGHUP, &act, NULL) == -1)
318 {
319 log_error("set signal action of SIGHUP error: %d\n", errno);
320 goto cleanup;
321 }
322 act.sa_handler = sig_chld_handler;
323 if (sigaction(SIGCHLD, &act, NULL) == -1)
324 {
325 log_error("set signal action of SIGCHLD error: %d\n", errno);
326 goto cleanup;
327 }
328 act.sa_handler = sig_term_handler;
329 if (sigaction(SIGTERM, &act, NULL) == -1)
330 {
331 log_error("set signal action of SIGTERM error: %d\n", errno);
332 goto cleanup;
333 }
334 act.sa_handler = SIG_IGN;
335 if (sigaction(SIGUSR1, &act, NULL) == -1)
336 {
337 log_error("set signal action of SIGUSR1 error: %d\n", errno);
338 goto cleanup;
339 }
340
341 // Launch section_list_loader process
342 if (section_list_loader_launch() < 0)
343 {
344 log_error("section_list_loader_launch() error\n");
345 goto cleanup;
346 }
347
348 // Initialize socket server
349 net_server(BBS_address, BBS_port);
350
351 cleanup:
352 // Cleanup loaded data files
353 file_loader_cleanup();
354
355 // Cleanup menu
356 unload_menu(&bbs_menu);
357 unload_menu(&top10_menu);
358
359 // Cleanup data pools
360 section_list_cleanup();
361 article_block_cleanup();
362 trie_dict_cleanup();
363 user_list_pool_cleanup();
364
365 // Cleanup BWF
366 bwf_unload();
367
368 if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
369 {
370 log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
371 }
372 if (unlink(VAR_SECTION_LIST_SHM) < 0)
373 {
374 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
375 }
376 if (unlink(VAR_TRIE_DICT_SHM) < 0)
377 {
378 log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
379 }
380 if (unlink(VAR_USER_LIST_SHM) < 0)
381 {
382 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
383 }
384
385 log_common("Main process exit normally\n");
386
387 log_end();
388
389 return 0;
390 }

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