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

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Revision 1.77 - (show annotations)
Mon Nov 17 11:48:24 2025 UTC (3 months, 4 weeks ago) by sysadm
Branch: MAIN
Changes since 1.76: +3 -2 lines
Content type: text/x-csrc
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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
143 // Apply the specified locale
144 if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
145 {
146 fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
147 return -1;
148 }
149
150 // Initialize log
151 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
152 {
153 return -1;
154 }
155
156 if ((!daemon) && std_log_redir)
157 {
158 log_common_redir(STDERR_FILENO);
159 }
160 if ((!daemon) && error_log_redir)
161 {
162 log_error_redir(STDERR_FILENO);
163 }
164
165 log_common("Starting %s\n", APP_INFO);
166
167 // Load configuration
168 if (load_conf(CONF_BBSD) < 0)
169 {
170 return -2;
171 }
172
173 // Load BWF config
174 if (bwf_load(CONF_BWF) < 0)
175 {
176 return -2;
177 }
178
179 // Check article cache dir
180 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
181 if (ret == -1 && errno != EEXIST)
182 {
183 log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
184 goto cleanup;
185 }
186
187 // Check section aid location dir
188 ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
189 if (ret == -1 && errno != EEXIST)
190 {
191 log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
192 goto cleanup;
193 }
194
195 // Initialize data pools
196 if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
197 {
198 log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
199 goto cleanup;
200 }
201 fclose(fp);
202 if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
203 {
204 log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
205 goto cleanup;
206 }
207 fclose(fp);
208 if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
209 {
210 log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
211 goto cleanup;
212 }
213 fclose(fp);
214 if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
215 {
216 log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
217 goto cleanup;
218 }
219 fclose(fp);
220
221 if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
222 {
223 log_error("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
224 goto cleanup;
225 }
226 if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
227 {
228 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);
229 goto cleanup;
230 }
231 if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
232 {
233 log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
234 goto cleanup;
235 }
236
237 // Load BBS cmd
238 if (load_cmd() < 0)
239 {
240 goto cleanup;
241 }
242
243 // Load menus
244 if (load_menu(&bbs_menu, CONF_MENU) < 0)
245 {
246 log_error("load_menu(%s) error\n", CONF_MENU);
247 goto cleanup;
248 }
249 if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
250 {
251 log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
252 goto cleanup;
253 }
254 top10_menu.allow_exit = 1;
255
256 // Load data files
257 if (file_loader_init() < 0)
258 {
259 log_error("file_loader_init() error\n");
260 goto cleanup;
261 }
262 for (int i = 0; i < data_files_load_startup_count; i++)
263 {
264 if (load_file(data_files_load_startup[i]) < 0)
265 {
266 log_error("load_file(%s) error\n", data_files_load_startup[i]);
267 }
268 }
269
270 // Load user_list and online_user_list
271 if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
272 {
273 log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
274 goto cleanup;
275 }
276 if (user_list_pool_reload(0) < 0)
277 {
278 log_error("user_list_pool_reload(all_user) error\n");
279 goto cleanup;
280 }
281 if (user_list_pool_reload(1) < 0)
282 {
283 log_error("user_list_pool_reload(online_user) error\n");
284 goto cleanup;
285 }
286
287 // Load section config and gen_ex
288 if (load_section_config_from_db(1) < 0)
289 {
290 log_error("load_section_config_from_db(0) error\n");
291 goto cleanup;
292 }
293
294 set_last_article_op_log_from_db();
295 last_aid = 0;
296
297 // Load section articles
298 do
299 {
300 if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
301 {
302 log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
303 goto cleanup;
304 }
305
306 last_aid = article_block_last_aid();
307 } while (ret == LOAD_ARTICLE_COUNT_LIMIT);
308
309 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
310
311 if ((ret = user_stat_update()) < 0)
312 {
313 log_error("user_stat_update() error\n");
314 goto cleanup;
315 }
316
317 // Set signal handler
318 act.sa_handler = sig_hup_handler;
319 if (sigaction(SIGHUP, &act, NULL) == -1)
320 {
321 log_error("set signal action of SIGHUP error: %d\n", errno);
322 goto cleanup;
323 }
324 act.sa_handler = sig_chld_handler;
325 if (sigaction(SIGCHLD, &act, NULL) == -1)
326 {
327 log_error("set signal action of SIGCHLD error: %d\n", errno);
328 goto cleanup;
329 }
330 act.sa_handler = sig_term_handler;
331 if (sigaction(SIGTERM, &act, NULL) == -1)
332 {
333 log_error("set signal action of SIGTERM error: %d\n", errno);
334 goto cleanup;
335 }
336 act.sa_handler = SIG_IGN;
337 if (sigaction(SIGUSR1, &act, NULL) == -1)
338 {
339 log_error("set signal action of SIGUSR1 error: %d\n", errno);
340 goto cleanup;
341 }
342
343 // Launch section_list_loader process
344 if (section_list_loader_launch() < 0)
345 {
346 log_error("section_list_loader_launch() error\n");
347 goto cleanup;
348 }
349
350 // Initialize socket server
351 net_server(BBS_address, BBS_port);
352
353 cleanup:
354 // Cleanup loaded data files
355 file_loader_cleanup();
356
357 // Cleanup menu
358 unload_menu(&bbs_menu);
359 unload_menu(&top10_menu);
360
361 // Cleanup data pools
362 section_list_cleanup();
363 article_block_cleanup();
364 trie_dict_cleanup();
365 user_list_pool_cleanup();
366
367 // Cleanup BWF
368 bwf_unload();
369
370 if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
371 {
372 log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
373 }
374 if (unlink(VAR_SECTION_LIST_SHM) < 0)
375 {
376 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
377 }
378 if (unlink(VAR_TRIE_DICT_SHM) < 0)
379 {
380 log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
381 }
382 if (unlink(VAR_USER_LIST_SHM) < 0)
383 {
384 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
385 }
386
387 log_common("Main process exit normally\n");
388
389 log_end();
390
391 return 0;
392 }

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