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

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Revision 1.82 - (show annotations)
Tue Nov 18 15:38:49 2025 UTC (3 months, 4 weeks ago) by sysadm
Branch: MAIN
Changes since 1.81: +0 -7 lines
Content type: text/x-csrc
Revert temporary change

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 #include <sys/wait.h>
35
36 static void app_help(void)
37 {
38 fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
39 "-f\t--foreground\t\tForce program run in foreground\n"
40 "-h\t--help\t\t\tDisplay this help message\n"
41 "-v\t--version\t\tDisplay version information\n"
42 "\t--display-log\t\tDisplay standard log information\n"
43 "\t--display-error-log\tDisplay error log information\n"
44 "\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
45 }
46
47 static void arg_error(void)
48 {
49 fprintf(stderr, "Invalid arguments\n");
50 app_help();
51 }
52
53 int main(int argc, char *argv[])
54 {
55 char file_path_temp[FILE_PATH_LEN];
56 int daemon = 1;
57 int std_log_redir = 0;
58 int error_log_redir = 0;
59 FILE *fp;
60 int ret;
61 int last_aid;
62 struct sigaction act = {0};
63 int i;
64 int j;
65
66 // Parse args
67 for (i = 1; i < argc; i++)
68 {
69 switch (argv[i][0])
70 {
71 case '-':
72 if (argv[i][1] != '-')
73 {
74 for (j = 1; j < strlen(argv[i]); j++)
75 {
76 switch (argv[i][j])
77 {
78 case 'f':
79 daemon = 0;
80 break;
81 case 'h':
82 app_help();
83 return 0;
84 case 'v':
85 printf("%s\n", APP_INFO);
86 printf("%s\n", COPYRIGHT_INFO);
87 return 0;
88 default:
89 arg_error();
90 return 1;
91 }
92 }
93 }
94 else
95 {
96 if (strcmp(argv[i] + 2, "foreground") == 0)
97 {
98 daemon = 0;
99 break;
100 }
101 if (strcmp(argv[i] + 2, "help") == 0)
102 {
103 app_help();
104 return 0;
105 }
106 if (strcmp(argv[i] + 2, "version") == 0)
107 {
108 printf("%s\n", APP_INFO);
109 printf("%s\n", COPYRIGHT_INFO);
110 return 0;
111 }
112 if (strcmp(argv[i] + 2, "display-log") == 0)
113 {
114 std_log_redir = 1;
115 }
116 if (strcmp(argv[i] + 2, "display-error-log") == 0)
117 {
118 error_log_redir = 1;
119 }
120 }
121 break;
122 }
123 }
124
125 // Initialize daemon
126 if (daemon)
127 {
128 init_daemon();
129 }
130
131 // Change current dir
132 strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
133 file_path_temp[sizeof(file_path_temp) - 1] = '\0';
134
135 if (chdir(dirname(file_path_temp)) < 0)
136 {
137 fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
138 return -1;
139 }
140 if (chdir("..") < 0)
141 {
142 fprintf(stderr, "chdir(..) error: %d\n", errno);
143 return -1;
144 }
145
146 // Apply the specified locale
147 if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
148 {
149 fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
150 return -1;
151 }
152
153 // Initialize log
154 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
155 {
156 return -1;
157 }
158
159 if ((!daemon) && std_log_redir)
160 {
161 log_common_redir(STDERR_FILENO);
162 }
163 if ((!daemon) && error_log_redir)
164 {
165 log_error_redir(STDERR_FILENO);
166 }
167
168 log_common("Starting %s\n", APP_INFO);
169
170 // Load configuration
171 if (load_conf(CONF_BBSD) < 0)
172 {
173 return -2;
174 }
175
176 // Load BWF config
177 if (bwf_load(CONF_BWF) < 0)
178 {
179 return -2;
180 }
181
182 // Check article cache dir
183 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
184 if (ret == -1 && errno != EEXIST)
185 {
186 log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
187 goto cleanup;
188 }
189
190 // Check section aid location dir
191 ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
192 if (ret == -1 && errno != EEXIST)
193 {
194 log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
195 goto cleanup;
196 }
197
198 // Initialize data pools
199 if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
200 {
201 log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
202 goto cleanup;
203 }
204 fclose(fp);
205 if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
206 {
207 log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
208 goto cleanup;
209 }
210 fclose(fp);
211 if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
212 {
213 log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
214 goto cleanup;
215 }
216 fclose(fp);
217 if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
218 {
219 log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
220 goto cleanup;
221 }
222 fclose(fp);
223
224 if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
225 {
226 log_error("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
227 goto cleanup;
228 }
229 if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
230 {
231 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);
232 goto cleanup;
233 }
234 if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
235 {
236 log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
237 goto cleanup;
238 }
239
240 // Load BBS cmd
241 if (load_cmd() < 0)
242 {
243 goto cleanup;
244 }
245
246 // Load menus
247 if (load_menu(&bbs_menu, CONF_MENU) < 0)
248 {
249 log_error("load_menu(%s) error\n", CONF_MENU);
250 goto cleanup;
251 }
252 if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
253 {
254 log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
255 goto cleanup;
256 }
257 top10_menu.allow_exit = 1;
258
259 // Load data files
260 if (file_loader_init() < 0)
261 {
262 log_error("file_loader_init() error\n");
263 goto cleanup;
264 }
265 for (int i = 0; i < data_files_load_startup_count; i++)
266 {
267 if (load_file(data_files_load_startup[i]) < 0)
268 {
269 log_error("load_file(%s) error\n", data_files_load_startup[i]);
270 }
271 }
272
273 // Load user_list and online_user_list
274 if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
275 {
276 log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
277 goto cleanup;
278 }
279 if (user_list_pool_reload(0) < 0)
280 {
281 log_error("user_list_pool_reload(all_user) error\n");
282 goto cleanup;
283 }
284 if (user_list_pool_reload(1) < 0)
285 {
286 log_error("user_list_pool_reload(online_user) error\n");
287 goto cleanup;
288 }
289
290 // Load section config and gen_ex
291 if (load_section_config_from_db(1) < 0)
292 {
293 log_error("load_section_config_from_db(0) error\n");
294 goto cleanup;
295 }
296
297 set_last_article_op_log_from_db();
298 last_aid = 0;
299
300 // Load section articles
301 do
302 {
303 if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
304 {
305 log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
306 goto cleanup;
307 }
308
309 last_aid = article_block_last_aid();
310 } while (ret == LOAD_ARTICLE_COUNT_LIMIT);
311
312 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
313
314 if ((ret = user_stat_update()) < 0)
315 {
316 log_error("user_stat_update() error\n");
317 goto cleanup;
318 }
319
320 // Set signal handler
321 act.sa_handler = sig_hup_handler;
322 if (sigaction(SIGHUP, &act, NULL) == -1)
323 {
324 log_error("set signal action of SIGHUP error: %d\n", errno);
325 goto cleanup;
326 }
327 act.sa_handler = sig_chld_handler;
328 if (sigaction(SIGCHLD, &act, NULL) == -1)
329 {
330 log_error("set signal action of SIGCHLD error: %d\n", errno);
331 goto cleanup;
332 }
333 act.sa_handler = sig_term_handler;
334 if (sigaction(SIGTERM, &act, NULL) == -1)
335 {
336 log_error("set signal action of SIGTERM error: %d\n", errno);
337 goto cleanup;
338 }
339 act.sa_handler = SIG_IGN;
340 if (sigaction(SIGUSR1, &act, NULL) == -1)
341 {
342 log_error("set signal action of SIGUSR1 error: %d\n", errno);
343 goto cleanup;
344 }
345
346 // Launch section_list_loader process
347 if (section_list_loader_launch() < 0)
348 {
349 log_error("section_list_loader_launch() error\n");
350 goto cleanup;
351 }
352
353 // Initialize socket server
354 net_server(BBS_address, BBS_port);
355
356 cleanup:
357 // Cleanup loader process if still running
358 if (SYS_child_process_count > 0)
359 {
360 SYS_child_exit = 0;
361
362 if (kill(section_list_loader_pid, SIGTERM) < 0)
363 {
364 log_error("Send SIGTERM signal failed (%d)\n", errno);
365 }
366
367 for(i = 0; SYS_child_exit == 0 && i < 5; i++)
368 {
369 sleep(1); // second
370 }
371
372 if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0)
373 {
374 log_error("waitpid(%d) error (%d)\n", section_list_loader_pid, errno);
375 }
376 else if (ret == 0)
377 {
378 log_common("Force kill section_list_loader process (%d)\n", section_list_loader_pid);
379 if (kill(section_list_loader_pid, SIGKILL) < 0)
380 {
381 log_error("Send SIGKILL signal failed (%d)\n", errno);
382 }
383 }
384 }
385
386 // Cleanup loaded data files
387 file_loader_cleanup();
388
389 // Cleanup menu
390 unload_menu(&bbs_menu);
391 unload_menu(&top10_menu);
392
393 // Cleanup data pools
394 section_list_cleanup();
395 article_block_cleanup();
396 trie_dict_cleanup();
397 user_list_pool_cleanup();
398
399 // Cleanup BWF
400 bwf_unload();
401
402 if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
403 {
404 log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
405 }
406 if (unlink(VAR_SECTION_LIST_SHM) < 0)
407 {
408 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
409 }
410 if (unlink(VAR_TRIE_DICT_SHM) < 0)
411 {
412 log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
413 }
414 if (unlink(VAR_USER_LIST_SHM) < 0)
415 {
416 log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
417 }
418
419 log_common("Main process exit normally\n");
420
421 log_end();
422
423 return 0;
424 }

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