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

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Revision 1.79 - (show annotations)
Mon Nov 17 14:01:13 2025 UTC (3 months, 4 weeks ago) by sysadm
Branch: MAIN
Changes since 1.78: +1 -1 lines
Content type: text/x-csrc
Replace macro name

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 printf("%s\n", APP_INFO);
83 printf("%s\n", COPYRIGHT_INFO);
84 return 0;
85 default:
86 arg_error();
87 return 1;
88 }
89 }
90 }
91 else
92 {
93 if (strcmp(argv[i] + 2, "foreground") == 0)
94 {
95 daemon = 0;
96 break;
97 }
98 if (strcmp(argv[i] + 2, "help") == 0)
99 {
100 app_help();
101 return 0;
102 }
103 if (strcmp(argv[i] + 2, "version") == 0)
104 {
105 printf("%s\n", APP_INFO);
106 printf("%s\n", COPYRIGHT_INFO);
107 return 0;
108 }
109 if (strcmp(argv[i] + 2, "display-log") == 0)
110 {
111 std_log_redir = 1;
112 }
113 if (strcmp(argv[i] + 2, "display-error-log") == 0)
114 {
115 error_log_redir = 1;
116 }
117 }
118 break;
119 }
120 }
121
122 // Initialize daemon
123 if (daemon)
124 {
125 init_daemon();
126 }
127
128 // Change current dir
129 strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
130 file_path_temp[sizeof(file_path_temp) - 1] = '\0';
131
132 if (chdir(dirname(file_path_temp)) < 0)
133 {
134 fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
135 return -1;
136 }
137 if (chdir("..") < 0)
138 {
139 fprintf(stderr, "chdir(..) error: %d\n", errno);
140 return -1;
141 }
142 #if defined(__CYGWIN__)
143 if (chdir("..") < 0)
144 {
145 fprintf(stderr, "chdir(..) error: %d\n", errno);
146 return -1;
147 }
148 #endif
149
150 // Apply the specified locale
151 if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
152 {
153 fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
154 return -1;
155 }
156
157 // Initialize log
158 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
159 {
160 return -1;
161 }
162
163 if ((!daemon) && std_log_redir)
164 {
165 log_common_redir(STDERR_FILENO);
166 }
167 if ((!daemon) && error_log_redir)
168 {
169 log_error_redir(STDERR_FILENO);
170 }
171
172 log_common("Starting %s\n", APP_INFO);
173
174 // Load configuration
175 if (load_conf(CONF_BBSD) < 0)
176 {
177 return -2;
178 }
179
180 // Load BWF config
181 if (bwf_load(CONF_BWF) < 0)
182 {
183 return -2;
184 }
185
186 // Check article cache dir
187 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
188 if (ret == -1 && errno != EEXIST)
189 {
190 log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
191 goto cleanup;
192 }
193
194 // Check section aid location dir
195 ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
196 if (ret == -1 && errno != EEXIST)
197 {
198 log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
199 goto cleanup;
200 }
201
202 // Initialize data pools
203 if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
204 {
205 log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
206 goto cleanup;
207 }
208 fclose(fp);
209 if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
210 {
211 log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
212 goto cleanup;
213 }
214 fclose(fp);
215 if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
216 {
217 log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
218 goto cleanup;
219 }
220 fclose(fp);
221 if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
222 {
223 log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
224 goto cleanup;
225 }
226 fclose(fp);
227
228 if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
229 {
230 log_error("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
231 goto cleanup;
232 }
233 if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
234 {
235 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);
236 goto cleanup;
237 }
238 if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
239 {
240 log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
241 goto cleanup;
242 }
243
244 // Load BBS cmd
245 if (load_cmd() < 0)
246 {
247 goto cleanup;
248 }
249
250 // Load menus
251 if (load_menu(&bbs_menu, CONF_MENU) < 0)
252 {
253 log_error("load_menu(%s) error\n", CONF_MENU);
254 goto cleanup;
255 }
256 if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
257 {
258 log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
259 goto cleanup;
260 }
261 top10_menu.allow_exit = 1;
262
263 // Load data files
264 if (file_loader_init() < 0)
265 {
266 log_error("file_loader_init() error\n");
267 goto cleanup;
268 }
269 for (int i = 0; i < data_files_load_startup_count; i++)
270 {
271 if (load_file(data_files_load_startup[i]) < 0)
272 {
273 log_error("load_file(%s) error\n", data_files_load_startup[i]);
274 }
275 }
276
277 // Load user_list and online_user_list
278 if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
279 {
280 log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
281 goto cleanup;
282 }
283 if (user_list_pool_reload(0) < 0)
284 {
285 log_error("user_list_pool_reload(all_user) error\n");
286 goto cleanup;
287 }
288 if (user_list_pool_reload(1) < 0)
289 {
290 log_error("user_list_pool_reload(online_user) error\n");
291 goto cleanup;
292 }
293
294 // Load section config and gen_ex
295 if (load_section_config_from_db(1) < 0)
296 {
297 log_error("load_section_config_from_db(0) error\n");
298 goto cleanup;
299 }
300
301 set_last_article_op_log_from_db();
302 last_aid = 0;
303
304 // Load section articles
305 do
306 {
307 if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
308 {
309 log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
310 goto cleanup;
311 }
312
313 last_aid = article_block_last_aid();
314 } while (ret == LOAD_ARTICLE_COUNT_LIMIT);
315
316 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
317
318 if ((ret = user_stat_update()) < 0)
319 {
320 log_error("user_stat_update() error\n");
321 goto cleanup;
322 }
323
324 // Set signal handler
325 act.sa_handler = sig_hup_handler;
326 if (sigaction(SIGHUP, &act, NULL) == -1)
327 {
328 log_error("set signal action of SIGHUP error: %d\n", errno);
329 goto cleanup;
330 }
331 act.sa_handler = sig_chld_handler;
332 if (sigaction(SIGCHLD, &act, NULL) == -1)
333 {
334 log_error("set signal action of SIGCHLD error: %d\n", errno);
335 goto cleanup;
336 }
337 act.sa_handler = sig_term_handler;
338 if (sigaction(SIGTERM, &act, NULL) == -1)
339 {
340 log_error("set signal action of SIGTERM error: %d\n", errno);
341 goto cleanup;
342 }
343 act.sa_handler = SIG_IGN;
344 if (sigaction(SIGUSR1, &act, NULL) == -1)
345 {
346 log_error("set signal action of SIGUSR1 error: %d\n", errno);
347 goto cleanup;
348 }
349
350 // Launch section_list_loader process
351 if (section_list_loader_launch() < 0)
352 {
353 log_error("section_list_loader_launch() error\n");
354 goto cleanup;
355 }
356
357 // Initialize socket server
358 net_server(BBS_address, BBS_port);
359
360 cleanup:
361 // Cleanup loaded data files
362 file_loader_cleanup();
363
364 // Cleanup menu
365 unload_menu(&bbs_menu);
366 unload_menu(&top10_menu);
367
368 // Cleanup data pools
369 section_list_cleanup();
370 article_block_cleanup();
371 trie_dict_cleanup();
372 user_list_pool_cleanup();
373
374 // Cleanup BWF
375 bwf_unload();
376
377 if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
378 {
379 log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
380 }
381 if (unlink(VAR_SECTION_LIST_SHM) < 0)
382 {
383 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
384 }
385 if (unlink(VAR_TRIE_DICT_SHM) < 0)
386 {
387 log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
388 }
389 if (unlink(VAR_USER_LIST_SHM) < 0)
390 {
391 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
392 }
393
394 log_common("Main process exit normally\n");
395
396 log_end();
397
398 return 0;
399 }

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