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

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Revision 1.71 - (hide annotations)
Wed Nov 5 03:01:14 2025 UTC (4 months, 1 week ago) by sysadm
Branch: MAIN
Changes since 1.70: +2 -2 lines
Content type: text/x-csrc
Use enum / const int instead of macro define constant integers

1 sysadm 1.69 /* SPDX-License-Identifier: GPL-3.0-or-later */
2     /*
3     * main
4     * - entry of server program
5     *
6 sysadm 1.70 * Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7 sysadm 1.69 */
8 sysadm 1.1
9 sysadm 1.4 #include "bbs.h"
10 sysadm 1.55 #include "common.h"
11     #include "file_loader.h"
12 sysadm 1.20 #include "init.h"
13 sysadm 1.55 #include "io.h"
14 sysadm 1.20 #include "log.h"
15 sysadm 1.9 #include "menu.h"
16 sysadm 1.55 #include "net_server.h"
17 sysadm 1.42 #include "section_list_loader.h"
18 sysadm 1.63 #include "user_list.h"
19 sysadm 1.48 #include <errno.h>
20 sysadm 1.55 #include <libgen.h>
21     #include <signal.h>
22 sysadm 1.56 #include <stdio.h>
23 sysadm 1.20 #include <stdlib.h>
24 sysadm 1.7 #include <string.h>
25 sysadm 1.20 #include <unistd.h>
26 sysadm 1.55 #include <sys/stat.h>
27 sysadm 1.15 #include <sys/types.h>
28 sysadm 1.1
29 sysadm 1.56 static void app_help(void)
30 sysadm 1.6 {
31 sysadm 1.56 fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
32     "-f\t--foreground\t\tForce program run in foreground\n"
33     "-h\t--help\t\t\tDisplay this help message\n"
34     "-v\t--version\t\tDisplay version information\n"
35     "\t--display-log\t\tDisplay standard log information\n"
36     "\t--display-error-log\tDisplay error log information\n"
37     "\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
38 sysadm 1.6 }
39    
40 sysadm 1.56 static void arg_error(void)
41 sysadm 1.6 {
42 sysadm 1.56 fprintf(stderr, "Invalid arguments\n");
43 sysadm 1.18 app_help();
44 sysadm 1.6 }
45    
46 sysadm 1.18 int main(int argc, char *argv[])
47 sysadm 1.1 {
48 sysadm 1.21 char file_path_temp[FILE_PATH_LEN];
49     int daemon = 1;
50     int std_log_redir = 0;
51     int error_log_redir = 0;
52 sysadm 1.42 FILE *fp;
53 sysadm 1.47 int ret;
54     int last_aid;
55 sysadm 1.52 struct sigaction act = {0};
56 sysadm 1.18
57     // Parse args
58 sysadm 1.21 for (int i = 1; i < argc; i++)
59 sysadm 1.12 {
60 sysadm 1.18 switch (argv[i][0])
61 sysadm 1.12 {
62 sysadm 1.18 case '-':
63     if (argv[i][1] != '-')
64     {
65 sysadm 1.21 for (int j = 1; j < strlen(argv[i]); j++)
66 sysadm 1.18 {
67     switch (argv[i][j])
68     {
69     case 'f':
70     daemon = 0;
71     break;
72     case 'h':
73     app_help();
74 sysadm 1.30 return 0;
75 sysadm 1.18 case 'v':
76 sysadm 1.54 puts(APP_INFO);
77 sysadm 1.30 return 0;
78 sysadm 1.18 default:
79     arg_error();
80 sysadm 1.30 return 1;
81 sysadm 1.18 }
82     }
83     }
84     else
85     {
86     if (strcmp(argv[i] + 2, "foreground") == 0)
87     {
88     daemon = 0;
89     break;
90     }
91     if (strcmp(argv[i] + 2, "help") == 0)
92     {
93     app_help();
94 sysadm 1.30 return 0;
95 sysadm 1.18 }
96     if (strcmp(argv[i] + 2, "version") == 0)
97     {
98 sysadm 1.54 puts(APP_INFO);
99 sysadm 1.30 return 0;
100 sysadm 1.18 }
101     if (strcmp(argv[i] + 2, "display-log") == 0)
102     {
103     std_log_redir = 1;
104     }
105     if (strcmp(argv[i] + 2, "display-error-log") == 0)
106     {
107     error_log_redir = 1;
108     }
109     }
110     break;
111 sysadm 1.12 }
112     }
113    
114 sysadm 1.18 // Initialize daemon
115     if (daemon)
116 sysadm 1.20 {
117 sysadm 1.31 init_daemon();
118 sysadm 1.20 }
119 sysadm 1.18
120     // Change current dir
121 sysadm 1.21 strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
122 sysadm 1.22 file_path_temp[sizeof(file_path_temp) - 1] = '\0';
123    
124 sysadm 1.61 if (chdir(dirname(file_path_temp)) < 0)
125     {
126     fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
127     return -1;
128     }
129     if (chdir("..") < 0)
130     {
131     fprintf(stderr, "chdir(..) error: %d\n", errno);
132     return -1;
133     }
134 sysadm 1.18
135     // Initialize log
136 sysadm 1.21 if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
137     {
138 sysadm 1.30 return -1;
139 sysadm 1.21 }
140 sysadm 1.18
141     if ((!daemon) && std_log_redir)
142 sysadm 1.21 {
143 sysadm 1.50 log_common_redir(STDERR_FILENO);
144 sysadm 1.21 }
145 sysadm 1.18 if ((!daemon) && error_log_redir)
146 sysadm 1.21 {
147 sysadm 1.50 log_error_redir(STDERR_FILENO);
148 sysadm 1.21 }
149 sysadm 1.18
150 sysadm 1.54 log_common("Starting %s\n", APP_INFO);
151 sysadm 1.51
152 sysadm 1.18 // Load configuration
153 sysadm 1.26 if (load_conf(CONF_BBSD) < 0)
154     {
155 sysadm 1.30 return -2;
156 sysadm 1.26 }
157 sysadm 1.18
158 sysadm 1.48 // Check article cache dir
159 sysadm 1.49 ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
160 sysadm 1.48 if (ret == -1 && errno != EEXIST)
161     {
162     log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
163     goto cleanup;
164     }
165    
166 sysadm 1.68 // Check section aid location dir
167     ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
168     if (ret == -1 && errno != EEXIST)
169     {
170     log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
171     goto cleanup;
172     }
173    
174 sysadm 1.42 // Initialize data pools
175 sysadm 1.63 if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
176     {
177     log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
178     goto cleanup;
179     }
180     fclose(fp);
181     if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
182 sysadm 1.42 {
183 sysadm 1.63 log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
184 sysadm 1.43 goto cleanup;
185 sysadm 1.42 }
186     fclose(fp);
187 sysadm 1.63 if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
188 sysadm 1.42 {
189 sysadm 1.63 log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
190 sysadm 1.43 goto cleanup;
191 sysadm 1.42 }
192     fclose(fp);
193 sysadm 1.63 if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
194 sysadm 1.42 {
195 sysadm 1.63 log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
196 sysadm 1.43 goto cleanup;
197 sysadm 1.42 }
198     fclose(fp);
199    
200     if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
201 sysadm 1.39 {
202 sysadm 1.66 printf("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
203 sysadm 1.43 goto cleanup;
204 sysadm 1.39 }
205 sysadm 1.71 if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
206 sysadm 1.42 {
207 sysadm 1.71 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);
208 sysadm 1.43 goto cleanup;
209 sysadm 1.42 }
210     if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
211     {
212     log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
213 sysadm 1.43 goto cleanup;
214 sysadm 1.42 }
215 sysadm 1.39
216 sysadm 1.36 // Load BBS cmd
217     if (load_cmd() < 0)
218     {
219 sysadm 1.43 goto cleanup;
220 sysadm 1.36 }
221    
222 sysadm 1.18 // Load menus
223 sysadm 1.59 if (load_menu(&bbs_menu, CONF_MENU) < 0)
224 sysadm 1.32 {
225 sysadm 1.62 log_error("load_menu(%s) error\n", CONF_MENU);
226 sysadm 1.43 goto cleanup;
227 sysadm 1.26 }
228 sysadm 1.62 if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
229     {
230     log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
231     goto cleanup;
232     }
233     top10_menu.allow_exit = 1;
234 sysadm 1.18
235 sysadm 1.34 // Load data files
236 sysadm 1.35 if (file_loader_init() < 0)
237 sysadm 1.34 {
238     log_error("file_loader_init() error\n");
239 sysadm 1.43 goto cleanup;
240 sysadm 1.34 }
241     for (int i = 0; i < data_files_load_startup_count; i++)
242     {
243 sysadm 1.39 if (load_file(data_files_load_startup[i]) < 0)
244 sysadm 1.34 {
245 sysadm 1.67 log_error("load_file(%s) error\n", data_files_load_startup[i]);
246 sysadm 1.34 }
247     }
248    
249 sysadm 1.64 // Load user_list and online_user_list
250 sysadm 1.66 if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
251 sysadm 1.64 {
252 sysadm 1.66 log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
253 sysadm 1.64 goto cleanup;
254     }
255     if (user_list_pool_reload(0) < 0)
256     {
257     log_error("user_list_pool_reload(all_user) error\n");
258     goto cleanup;
259     }
260     if (user_list_pool_reload(1) < 0)
261     {
262     log_error("user_list_pool_reload(online_user) error\n");
263     goto cleanup;
264     }
265    
266 sysadm 1.60 // Load section config and gen_ex
267     if (load_section_config_from_db(1) < 0)
268 sysadm 1.42 {
269 sysadm 1.60 log_error("load_section_config_from_db(0) error\n");
270 sysadm 1.43 goto cleanup;
271 sysadm 1.42 }
272    
273 sysadm 1.46 set_last_article_op_log_from_db();
274 sysadm 1.47 last_aid = 0;
275    
276 sysadm 1.45 // Load section articles
277 sysadm 1.47 do
278 sysadm 1.43 {
279 sysadm 1.47 if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
280     {
281     log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
282     goto cleanup;
283     }
284    
285     last_aid = article_block_last_aid();
286     } while (ret == LOAD_ARTICLE_COUNT_LIMIT);
287 sysadm 1.43
288 sysadm 1.50 log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
289 sysadm 1.43
290 sysadm 1.65 if ((ret = user_stat_update()) < 0)
291     {
292     log_error("user_stat_update() error\n");
293     goto cleanup;
294     }
295    
296 sysadm 1.18 // Set signal handler
297 sysadm 1.52 act.sa_handler = sig_hup_handler;
298     if (sigaction(SIGHUP, &act, NULL) == -1)
299     {
300     log_error("set signal action of SIGHUP error: %d\n", errno);
301     goto cleanup;
302     }
303     act.sa_handler = sig_chld_handler;
304     if (sigaction(SIGCHLD, &act, NULL) == -1)
305     {
306     log_error("set signal action of SIGCHLD error: %d\n", errno);
307     goto cleanup;
308     }
309     act.sa_handler = sig_term_handler;
310     if (sigaction(SIGTERM, &act, NULL) == -1)
311     {
312     log_error("set signal action of SIGTERM error: %d\n", errno);
313     goto cleanup;
314     }
315 sysadm 1.18
316 sysadm 1.45 // Launch section_list_loader process
317     if (section_list_loader_launch() < 0)
318     {
319     log_error("section_list_loader_launch() error\n");
320     goto cleanup;
321     }
322    
323 sysadm 1.18 // Initialize socket server
324 sysadm 1.33 net_server(BBS_address, BBS_port);
325 sysadm 1.18
326 sysadm 1.43 cleanup:
327 sysadm 1.34 // Cleanup loaded data files
328     file_loader_cleanup();
329 sysadm 1.42
330 sysadm 1.32 // Cleanup menu
331 sysadm 1.59 unload_menu(&bbs_menu);
332 sysadm 1.62 unload_menu(&top10_menu);
333 sysadm 1.15
334 sysadm 1.42 // Cleanup data pools
335     section_list_cleanup();
336     article_block_cleanup();
337 sysadm 1.39 trie_dict_cleanup();
338 sysadm 1.63 user_list_pool_cleanup();
339 sysadm 1.39
340 sysadm 1.42 if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
341     {
342     log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
343     }
344     if (unlink(VAR_SECTION_LIST_SHM) < 0)
345     {
346     log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
347     }
348 sysadm 1.63 if (unlink(VAR_TRIE_DICT_SHM) < 0)
349     {
350     log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
351     }
352     if (unlink(VAR_USER_LIST_SHM) < 0)
353     {
354     log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
355     }
356 sysadm 1.42
357 sysadm 1.50 log_common("Main process exit normally\n");
358 sysadm 1.42
359 sysadm 1.57 log_end();
360    
361 sysadm 1.30 return 0;
362 sysadm 1.1 }

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